Author
Paul Harding
results may include different authors with the same name
82 papers
This paper documents the seventeenth data release (DR17) from the Sloan Digital Sky Surveys; the fifth and final release from the fourth phase (SDSS-IV). DR17 contains the complete release of the Mapping Nearby Galaxies at Apache Point…
Astrophysics of Galaxies · Physics
2024-09-04
Abdurro'uf , Katherine Accetta , Conny Aerts , Victor Silva Aguirre , Romina Ahumada , Nikhil Ajgaonkar , N. Filiz Ak , Shadab Alam , Carlos Allende Prieto , Andres Almeida , Friedrich Anders , Scott F. Anderson , Brett H. Andrews , Borja Anguiano , Erik Aquino-Ortiz , Alfonso Aragon-Salamanca , Maria Argudo-Fernandez , Metin Ata , Marie Aubert , Vladimir Avila-Reese , Carles Badenes , Rodolfo H. Barba , Kat Barger , Jorge K. Barrera-Ballesteros , Rachael L. Beaton , Timothy C. Beers , Francesco Belfiore , Chad F. Bender , Mariangela Bernardi , Matthew A. Bershady , Florian Beutler , Christian Moni Bidin , Jonathan C. Bird , Dmitry Bizyaev , Guillermo A. Blanc , Michael R. Blanton , Nicholas Fraser Boardman , Adam S. Bolton , Mederic Boquien , Jura Borissova , Jo Bovy , W. N. Brandt , Jordan Brown , Joel R. Brownstein , Marcella Brusa , Johannes Buchner , Kevin Bundy , Joseph N. Burchett , Martin Bureau , Adam Burgasser , Tuesday K. Cabang , Stephanie Campbell , Michele Cappellari , Joleen K. Carlberg , Fabio Carneiro Wanderley , Ricardo Carrera , Jennifer Cash , Yan-Ping Chen , Wei-Huai Chen , Brian Cherinka , Cristina Chiappini , Peter Doohyun Choi , S. Drew Chojnowski , Haeun Chung , Nicolas Clerc , Roger E. Cohen , Julia M. Comerford , Johan Comparat , Luiz da Costa , Kevin Covey , Jeffrey D. Crane , Irene Cruz-Gonzalez , Connor Culhane , Katia Cunha , Y. Sophia Dai , Guillermo Damke , Jeremy Darling , James W. Davidson , Roger Davies , Kyle Dawson , Nathan De Lee , Aleksandar M. Diamond-Stanic , Mariana Cano-Diaz , Helena Dominguez Sanchez , John Donor , Chris Duckworth , Tom Dwelly , Daniel J. Eisenstein , Yvonne P. Elsworth , Eric Emsellem , Mike Eracleous , Stephanie Escoffier , Xiaohui Fan , Emily Farr , Shuai Feng , Jose G. Fernandez-Trincado , Diane Feuillet , Andreas Filipp , Sean P Fillingham , Peter M. Frinchaboy , Sebastien Fromenteau , Lluis Galbany , Rafael A. Garcia , D. A. Garcia-Hernandez , Junqiang Ge , Doug Geisler , Joseph Gelfand , Tobias Geron , Benjamin J. Gibson , Julian Goddy , Diego Godoy-Rivera , Kathleen Grabowski , Paul J. Green , Michael Greener , Catherine J. Grier , Emily Griffith , Hong Guo , Julien Guy , Massinissa Hadjara , Paul Harding , Sten Hasselquist , Christian R. Hayes , Fred Hearty , Jesus Hernandez , Lewis Hill , David W. Hogg , Jon A. Holtzman , Danny Horta , Bau-Ching Hsieh , Chin-Hao Hsu , Yun-Hsin Hsu , Daniel Huber , Marc Huertas-Company , Brian Hutchinson , Ho Seong Hwang , Hector J. Ibarra-Medel , Jacob Ider Chitham , Gabriele S. Ilha , Julie Imig , Will Jaekle , Tharindu Jayasinghe , Xihan Ji , Jennifer A. Johnson , Amy Jones , Henrik Jonsson , Ivan Katkov , Arman Khalatyan , Karen Kinemuchi , Shobhit Kisku , Johan H. Knapen , Jean-Paul Kneib , Juna A. Kollmeier , Miranda Kong , Marina Kounkel , Kathryn Kreckel , Dhanesh Krishnarao , Ivan Lacerna , Richard R. Lane , Rachel Langgin , Ramon Lavender , David R. Law , Daniel Lazarz , Henry W. Leung , Ho-Hin Leung , Hannah M. Lewis , Cheng Li , Ran Li , Jianhui Lian , Fu-Heng Liang , Lihwai Lin , Yen-Ting Lin , Sicheng Lin , Chris Lintott , Dan Long , Penelope Longa-Pena , Carlos Lopez-Coba , Shengdong Lu , Britt F. Lundgren , Yuanze Luo , J. Ted Mackereth , Axel de la Macorra , Suvrath Mahadevan , Steven R. Majewski , Arturo Manchado , Travis Mandeville , Claudia Maraston , Berta Margalef-Bentabol , Thomas Masseron , Karen L. Masters , Savita Mathur , Richard M. McDermid , Myles Mckay , Andrea Merloni , Michael Merrifield , Szabolcs Meszaros , Andrea Miglio , Francesco Di Mille , Dante Minniti , Rebecca Minsley , Antonela Monachesi , Jeongin Moon , Benoit Mosser , John Mulchaey , Demitri Muna , Ricardo R. Munoz , Adam D. Myers , Natalie Myers , Seshadri Nadathur , Preethi Nair , Kirpal Nandra , Justus Neumann , Jeffrey A. Newman , David L. Nidever , Farnik Nikakhtar , Christian Nitschelm , Julia E. O'Connell , Luis Garma-Oehmichen , Gabriel Luan Souza de Oliveira , Richard Olney , Daniel Oravetz , Mario Ortigoza-Urdaneta , Yeisson Osorio , Justin Otter , Zachary J. Pace , Nelson Padilla , Kaike Pan , Hsi-An Pan , Taniya Parikh , James Parker , Sebastien Peirani , Karla Pena Ramirez , Samantha Penny , Will J. Percival , Ismael Perez-Fournon , Marc Pinsonneault , Frederick Poidevin , Vijith Jacob Poovelil , Adrian M. Price-Whelan , Anna Barbara de Andrade Queiroz , M. Jordan Raddick , Amy Ray , Sandro Barboza Rembold , Nicole Riddle , Rogemar A. Riffel , Rogerio Riffel , Hans-Walter Rix , Annie C. Robin , Aldo Rodriguez-Puebla , Alexandre Roman-Lopes , Carlos Roman-Zuniga , Benjamin Rose , Ashley J. Ross , Graziano Rossi , Kate H. R. Rubin , Mara Salvato , Sebastian F. Sanchez , Jose R. Sanchez-Gallego , Robyn Sanderson , Felipe Antonio Santana Rojas , Edgar Sarceno , Regina Sarmiento , Conor Sayres , Elizaveta Sazonova , Adam L. Schaefer , Ricardo Schiavon , David J Schlegel , Donald P. Schneider , Mathias Schultheis , Axel Schwope , Aldo Serenelli , Javier Serna , Zhengyi Shao , Griffin Shapiro , Anubhav Sharma , Yue Shen , Matthew Shetrone , Yiping Shu , Joshua D. Simon , M. F. Skrutskie , Rebecca Smethurst , Verne Smith , Jennifer Sobeck , Taylor Spoo , Dani Sprague , David V. Stark , Keivan G. Stassun , Matthias Steinmetz , Dennis Stello , Alexander Stone-Martinez , Thaisa Storchi-Bergmann , Guy S. Stringfellow , Amelia Stutz , Yung-Chau Su , Manuchehr Taghizadeh-Popp , Michael S. Talbot , Jamie Tayar , Eduardo Telles , Johanna Teske , Ani Thakar , Christopher Theissen , Daniel Thomas , Andrew Tkachenko , Rita Tojeiro , Hector Hernandez Toledo , Nicholas W. Troup , Jonathan R. Trump , James Trussler , Jacqueline Turner , Sarah Tuttle , Eduardo Unda-Sanzana , Jose Antonio Vazquez-Mata , Marica Valentini , Octavio Valenzuela , Jaime Vargas-Gonzalez , Mariana Vargas-Magana , Pablo Vera Alfaro , Sandro Villanova , Fiorenzo Vincenzo , David Wake , Jack T. Warfield , Jessica Diane Washington , Benjamin Alan Weaver , Anne-Marie Weijmans , David H. Weinberg , Achim Weiss , Kyle B. Westfall , Vivienne Wild , Matthew C. Wilde , John C. Wilson , Robert F. Wilson , Mikayla Wilson , Julien Wolf , W. M. Wood-Vasey , Renbin Yan , Olga Zamora , Gail Zasowski , Kai Zhang , Cheng Zhao , Zheng Zheng , Zheng Zheng , Kai Zhu
Using deep, narrowband imaging of the nearby spiral galaxy M101, we present stellar age information across the full extent of the disk of M101. Our narrowband filters measure age-sensitive absorption features such as the Balmer lines and…
Astrophysics of Galaxies · Physics
2023-11-29
Ray Garner , J. Christopher Mihos , Paul Harding , Charles R. Garner
We present deep, narrowband imaging of the nearby spiral galaxy M101 and its satellites to analyze the oxygen abundances of their HII regions. Using CWRU's Burrell Schmidt telescope, we add to the narrowband dataset of the M101 Group,…
Astrophysics of Galaxies · Physics
2023-07-17
Ray Garner , J. Christopher Mihos , Paul Harding , Aaron E. Watkins , Stacy S. McGaugh
APOGEE-2 is a dual-hemisphere, near-infrared (NIR), spectroscopic survey with the goal of producing a chemo-dynamical mapping of the Milky Way Galaxy. The targeting for APOGEE-2 is complex and has evolved with time. In this paper, we…
Astrophysics of Galaxies · Physics
2022-04-20
Rachael L. Beaton , Ryan J. Oelkers , Christian R. Hayes , Kevin R. Covey , S. D. Chojnowski , Nathan De Lee , Jennifer S. Sobeck , Steven R. Majewski , Roger Cohen , Jose Fernandez-Trincado , Penelope Longa-Pena , Julia E. O'Connell , Felipe A. Santana , Guy S. Stringfellow , Gail Zasowski , Conny Aerts , Borja Anguiano , Chad Bender , Caleb I. Canas , Katia Cunha , John Donor Scott W. Fleming , Peter M. Frinchaboy , Diane Feuillet , Paul Harding , Sten Hasselquist , Jon Holtzman , Jennifer A. Johnson , Juna A. Kollmeier , Marina Kounkel , Suvrath Mahadevan , Adrian. M. Price-Whelan , Alvaro Rojas-Arriagada , Carlos Roman-Zuniga , Edward F. Schlafly , Mathias Schultheis , Matthew Shetrone , Joshua D. Simon , Keivan G. Stassun , Amelia M. Stutz , Jamie Tayar , Johanna Teske , Andrew Tkachenko , Nick Troup , Franco D. Albareti , Dmitry Bizyaev , Jo Bovy , Adam J. Burgasser , Johan Comparat , Juan Jose Downes , Doug Geisler , Laura Inno , Arturo Manchado , Melissa K. Ness , Marc H. Pinsonneault , Francisco Prada , Alexandre Roman-Lopes , Gregory V. A. Simonian , Verne V. Smith , Renbin Yan , Olga Zamora
We present deep, narrowband imaging of the nearby spiral galaxy M101 and its group environment to search for star-forming dwarf galaxies and outlying HII regions. Using the Burrell Schmidt telescope, we target the brightest emission lines…
Astrophysics of Galaxies · Physics
2021-07-14
Ray Garner , J. Christopher Mihos , Paul Harding , Aaron E. Watkins
This paper documents the sixteenth data release (DR16) from the Sloan Digital Sky Surveys; the fourth and penultimate from the fourth phase (SDSS-IV). This is the first release of data from the southern hemisphere survey of the Apache Point…
Astrophysics of Galaxies · Physics
2020-07-08
Romina Ahumada , Carlos Allende Prieto , Andres Almeida , Friedrich Anders , Scott F. Anderson , Brett H. Andrews , Borja Anguiano , Riccardo Arcodia , Eric Armengaud , Marie Aubert , Santiago Avila , Vladimir Avila-Reese , Carles Badenes , Christophe Balland , Kat Barger , Jorge K. Barrera-Ballesteros , Sarbani Basu , Julian Bautista , Rachael L. Beaton , Timothy C. Beers , B. Izamar T. Benavides , Chad F. Bender , Mariangela Bernardi , Matthew Bershady , Florian Beutler , Christian Moni Bidin , Jonathan Bird , Dmitry Bizyaev , Guillermo A. Blanc , Michael R. Blanton , Mederic Boquien , Jura Borissova , Jo Bovy , W. N. Brandt , Jonathan Brinkmann , Joel R. Brownstein , Kevin Bundy , Martin Bureau , Adam Burgasser , Etienne Burtin , Mariana Cano-Diaz , Raffaella Capasso , Michele Cappellari , Ricardo Carrera , Solene Chabanier , William Chaplin , Michael Chapman , Brian Cherinka , Cristina Chiappini , Peter Doohyun Choi , S. Drew Chojnowski , Haeun Chung , Nicolas Clerc , Damien Coffey , Julia M. Comerford , Johan Comparat , Luiz da Costa , Marie-Claude Cousinou , Kevin Covey , Jeffrey D. Crane , Katia Cunha , Gabriele da Silva Ilha , Yu Sophia Dai , Sanna B. Damsted , Jeremy Darling , James W. Davidson , Roger Davies , Kyle Dawson , Nikhil De , Axel de la Macorra , Nathan De Lee , Anna Barbara de Andrade Queiroz , Alice Deconto Machado , Sylvain de la Torre , Flavia Dell'Agli , Helion du Mas des Bourboux , Aleksandar M. Diamond-Stanic , Sean Dillon , John Donor , Niv Drory , Chris Duckworth , Tom Dwelly , Garrett Ebelke , Sarah Eftekharzadeh , Arthur Davis Eigenbrot , Yvonne P. Elsworth , Mike Eracleous , Ghazaleh Erfanianfar , Stephanie Escoffier , Xiaohui Fan , Emily Farr , Jose G. Fernandez-Trincado , Diane Feuillet , Alexis Finoguenov , Patricia Fofie , Amelia Fraser-McKelvie , Peter M. Frinchaboy , Sebastien Fromenteau , Hai Fu , Lluis Galbany , Rafael A. Garcia , D. A. Garcia-Hernandez , Luis Alberto Garma Oehmichen , Junqiang Ge , Marcio Antonio Geimba Maia , Doug Geisler , Joseph Gelfand , Julian Goddy , Jean-Marc Le Goff , Violeta Gonzalez-Perez , Kathleen Grabowski , Paul Green , Catherine J. Grier , Hong Guo , Julien Guy , Paul Harding , Sten Hasselquist , Adam James Hawken , Christian R. Hayes , Fred Hearty , S. Hekker , David W. Hogg , Jon Holtzman , Danny Horta , Jiamin Hou , Bau-Ching Hsieh , Daniel Huber , Jason A. S. Hunt , J. Ider Chitham , Julie Imig , Mariana Jaber , Camilo Eduardo Jimenez Angel , Jennifer A. Johnson , Amy M. Jones , Henrik Jonsson , Eric Jullo , Yerim Kim , Karen Kinemuchi , Charles C. Kirkpatrick , George W. Kite , Mark Klaene , Jean-Paul Kneib , Juna A. Kollmeier , Hui Kong , Marina Kounkel , Dhanesh Krishnarao , Ivan Lacerna , Ting-Wen Lan , Richard R. Lane , David R. Law , Henry W. Leung , Hannah Lewis , Cheng Li , Jianhui Lian , Lihwai Lin , Dan Long , Penelope Longa-Pena , Britt Lundgren , Brad W. Lyke , J. Ted Mackereth , Chelsea L. MacLeod , Steven R. Majewski , Arturo Manchado , Claudia Maraston , Paul Martini , Thomas Masseron , Karen L. Masters , Savita Mathur , Richard M. McDermid , Andrea Merloni , Michael Merrifield , Szabolcs Meszaros , Andrea Miglio , Dante Minniti , Rebecca Minsley , Takamitsu Miyaji , Faizan Gohar Mohammad , Benoit Mosser , Eva-Maria Mueller , Demitri Muna , Andrea Munoz-Gutierrez , Adam D. Myers , Seshadri Nadathur , Preethi Nair , Kirpal Nandra , Janaina Correa do Nascimento , Rebecca Jean Nevin , Jeffrey A. Newman , David L. Nidever , Christian Nitschelm , Pasquier Noterdaeme , Julia E. O'Connell , Matthew D Olmstead , Daniel Oravetz , Audrey Oravetz , Yeisson Osorio , Zachary J. Pace , Nelson Padilla , Nathalie Palanque-Delabrouille , Pedro A. Palicio , Hsi-An Pan , Kaike Pan , James Parker , Romain Paviot , Sebastien Peirani , Karla Pena Ramrez , Samantha Penny , Will J. Percival , Ismael Perez-Fournon , Ignasi Perez-Rafols , Patrick Petitjean , Matthew M. Pieri , Marc Pinsonneault , Vijith Jacob Poovelil , Joshua Tyler Povick , Abhishek Prakash , Adrian M. Price-Whelan , M. Jordan Raddick , Anand Raichoor , Amy Ray , Sandro Barboza Rembold , Mehdi Rezaie , Rogemar A. Riffel , Rogerio Riffel , Hans-Walter Rix , Annie C. Robin , A. Roman-Lopes , Carlos Roman-Zuniga , Benjamin Rose , Ashley J. Ross , Graziano Rossi , Kate Rowlands , Kate H. R. Rubin , Mara Salvato , Ariel G. Sanchez , Laura Sanchez-Menguiano , Jose R. Sanchez-Gallego , Conor Sayres , Adam Schaefer , Ricardo P. Schiavon , Jaderson S. Schimoia , Edward Schlafly , David Schlegel , Donald P. Schneider , Mathias Schultheis , Axel Schwope , Hee-Jong Seo , Aldo Serenelli , Arman Shafieloo , Shoaib Jamal Shamsi , Zhengyi Shao , Shiyin Shen , Matthew Shetrone , Raphael Shirley , Victor Silva Aguirre , Joshua D. Simon , M. F. Skrutskie , Anze Slosar , Rebecca Smethurst , Jennifer Sobeck , Bernardo Cervantes Sodi , Diogo Souto , David V. Stark , Keivan G. Stassun , Matthias Steinmetz , Dennis Stello , Julianna Stermer , Thaisa Storchi-Bergmann , Alina Streblyanska , Guy S. Stringfellow , Amelia Stutz , Genaro Suarez , Jing Sun , Manuchehr Taghizadeh-Popp , Michael S. Talbot , Jamie Tayar , Aniruddha R. Thakar , Riley Theriault , Daniel Thomas , Zak C. Thomas , Jeremy Tinker , Rita Tojeiro , Hector Hernandez Toledo , Christy A. Tremonti , Nicholas W. Troup , Sarah Tuttle , Eduardo Unda-Sanzana , Marica Valentini , Jaime Vargas-Gonzalez , Mariana Vargas-Magana , Jose Antonio Vazquez-Mata , M. Vivek , David Wake , Yuting Wang , Benjamin Alan Weaver , Anne-Marie Weijmans , Vivienne Wild , John C. Wilson , Robert F. Wilson , Nathan Wolthuis , W. M. Wood-Vasey , Renbin Yan , Meng Yang , Christophe Yeche , Olga Zamora , Pauline Zarrouk , Gail Zasowski , Kai Zhang , Cheng Zhao , Gongbo Zhao , Zheng Zheng , Zheng Zheng , Guangtun Zhu , Hu Zou
We present new limits on the ejection of metal-rich old-population hypervelocity stars from the Galactic center (GC) as probed by the SEGUE-2 survey. Our limits are a factor of 3-10 more stringent than previously reported, depending on…
Astrophysics of Galaxies · Physics
2019-08-19
Juna A. Kollmeier , Andrew Gould , Constance Rockosi , Timothy C. Beers , Gillian Knapp , Jennifer A. Johnson , Heather Morrison , Paul Harding , Young Sun Lee , Benjamin A. Weaver
We present a search for new members of the 300 km s$^{-1}$ stream (300S) near the dwarf galaxy Segue 1 using wide-field survey data. We identify 11 previously unknown bright stream members in the APOGEE-2 and SEGUE-1 and 2 spectroscopic…
Astrophysics of Galaxies · Physics
2018-10-17
Sal Wanying Fu , Joshua D. Simon , Matthew Shetrone , Jo Bovy , J. G. Fernández-Trincado , Vinicius M. Placco , Olga Zamora , Carlos Allende Prieto , D. A. García-Hernández , Paul Harding , Inese Ivans , Richard Lane , Christian Nitschelm , Alexandre Roman-Lopes , Jennifer Sobeck
We report the detection of diffuse starlight in an extragalactic HI cloud in the nearby Leo~I galaxy group. We detect the source, dubbed BST1047+1156, in both broadband optical and GALEX ultraviolet light. Spanning ~ 2 kpc in radius, it has…
Astrophysics of Galaxies · Physics
2018-08-15
J. Christopher Mihos , Christopher T. Carr , Aaron E. Watkins , Tom Oosterloo , Paul Harding
We use deep Hubble Space Telescope imaging in the outskirts of the nearby spiral M101 to study stellar populations in the galaxy's outer disk and halo. Our ACS field lies 17.6 arcmin (36 kpc) from the center of M101 and targets the blue "NE…
Astrophysics of Galaxies · Physics
2018-08-08
J. Christopher Mihos , Patrick R Durrell , John J Feldmeier , Paul Harding , Aaron E Watkins
We present the discovery of a vast cloud of ionized gas 13$^{\prime}$ (32 kpc) north of the interacting system M51. We detected this cloud via deep narrow-band imaging with the Burrell Schmidt Telescope, where it appears as an extended,…
Astrophysics of Galaxies · Physics
2018-05-23
Aaron E. Watkins , J. Christopher Mihos , Matthew Bershady , Paul Harding
The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) has been in operation since July 2014. This paper describes the second data release from this phase, and the fourteenth from SDSS overall (making this, Data Release Fourteen or…
Astrophysics of Galaxies · Physics
2018-05-08
Bela Abolfathi , D. S. Aguado , Gabriela Aguilar , Carlos Allende Prieto , Andres Almeida , Tonima Tasnim Ananna , Friedrich Anders , Scott F. Anderson , Brett H. Andrews , Borja Anguiano , Alfonso Aragon-Salamanca , Maria Argudo-Fernandez , Eric Armengaud , Metin Ata , Eric Aubourg , Vladimir Avila-Reese , Carles Badenes , Stephen Bailey , Christophe Balland , Kathleen A. Barger , Jorge Barrera-Ballesteros , Curtis Bartosz , Fabienne Bastien , Dominic Bates , Falk Baumgarten , Julian Bautista , Rachael Beaton , Timothy C. Beers , Francesco Belfiore , Chad F. Bender , Mariangela Bernardi , Matthew A. Bershady , Florian Beutler , Jonathan C. Bird , Dmitry Bizyaev , Guillermo A. Blanc , Michael R. Blanton , Michael Blomqvist , Adam S. Bolton , Mederic Boquien , Jura Borissova , Jo Bovy , Christian Andres Bradna Diaz , William Nielsen Brandt , Jonathan Brinkmann , Joel R. Brownstein , Kevin Bundy , Adam J. Burgasser , Etienne Burtin , Nicolas G. Busca , Caleb I. Canas , Mariana Cano-Diaz , Michele Cappellari , Ricardo Carrera , Andrew R. Casey , Bernardo Cervantes Sodi , Yanping Chen , Brian Cherinka , Cristina Chiappini , Peter Doohyun Choi , Drew Chojnowski , Chia-Hsun Chuang , Haeun Chung , Nicolas Clerc , Roger E. Cohen , Julia M. Comerford , Johan Comparat , Janaina Correa do Nascimento , Luiz da Costa , Marie-Claude Cousinou , Kevin Covey , Jeffrey D. Crane , Irene Cruz-Gonzalez , Katia Cunha , Gabriele da Silva Ilha , Guillermo J. Damke , Jeremy Darling , James W. Davidson , Kyle Dawson , Miguel Angel C. de Icaza Lizaola , Axel de la Macorra , Sylvain de la Torre , Nathan De Lee , Victoria de Sainte Agathe , Alice Deconto Machado , Flavia Dell'Agli , Timothee Delubac , Aleksandar M. Diamond-Stanic , John Donor , Juan Jose Downes , Niv Drory , Helion du Mas des Bourboux , Christopher J. Duckworth , Tom Dwelly , Jamie Dyer , Garrett Ebelke , Arthur Davis Eigenbrot , Daniel J. Eisenstein , Yvonne P. Elsworth , Eric Emsellem , Mike Eracleous , Ghazaleh Erfanianfar , Stephanie Escoffier , Xiaohui Fan , Emma Fernandez Alvar , J. G. Fernandez-Trincado , Rafael Fernando Cirolini , Diane Feuillet , Alexis Finoguenov , Scott W. Fleming , Andreu Font-Ribera , Gordon Freischlad , Peter Frinchaboy , Hai Fu , Yilen Gomez Maqueo Chew , Lluis Galbany , Ana E. Garcia Perez , R. Garcia-Dias , D. A. Garcia-Hernandez , Luis Alberto Garma Oehmichen , Patrick Gaulme , Joseph Gelfand , Hector Gil-Marin , Bruce A. Gillespie , Daniel Goddard , Jonay I. Gonzalez Hernandez , Violeta Gonzalez-Perez , Kathleen Grabowski , Paul J. Green , Catherine J. Grier , Alain Gueguen , Hong Guo , Julien Guy , Alex Hagen , Patrick Hall , Paul Harding , Sten Hasselquist , Suzanne Hawley , Christian R. Hayes , Fred Hearty , Saskia Hekker , Jesus Hernandez , Hector Hernandez Toledo , David W. Hogg , Kelly Holley-Bockelmann , Jon Holtzman , Jiamin Hou , Bau-Ching Hsieh , Jason A. S. Hunt , Timothy A. Hutchinson , Ho Seong Hwang , Camilo Eduardo Jimenez Angel , Jennifer A. Johnson , Amy Jones , Henrik Jonsson , Eric Jullo , Fahim Sakil Khan , Karen Kinemuchi , David Kirkby , Charles C. Kirkpatrick , Francisco-Shu Kitaura , Gillian R. Knapp , Jean-Paul Kneib , Juna A. Kollmeier , Ivan Lacerna , Richard R. Lane , Dustin Lang , David R. Law , Jean-Marc Le Goff , Young-Bae Lee , Hongyu Li , Cheng Li , Jianhui Lian , Yu Liang , Marcos Lima , Lihwai Lin , Dan Long , Sara Lucatello , Britt Lundgren , J. Ted Mackereth , Chelsea L. MacLeod , Suvrath Mahadevan , Marcio Antonio Geimba Maia , Steven Majewski , Arturo Manchado , Claudia Maraston , Vivek Mariappan , Rui Marques-Chaves , Thomas Masseron , Karen L. Masters , Richard M. McDermid , Ian D. McGreer , Matthew Melendez , Sofia Meneses-Goytia , Andrea Merloni , Michael R. Merrifield , Szabolcs Meszaros , Andres Meza , Ivan Minchev , Dante Minniti , Eva-Maria Mueller , Francisco Muller-Sanchez , Demitri Muna , Ricardo R. Munoz , Adam D. Myers , Preethi Nair , Kirpal Nandra , Melissa Ness , Jeffrey A. Newman , Robert C. Nichol , David L. Nidever , Christian Nitschelm , Pasquier Noterdaeme , Julia O'Connell , Ryan James Oelkers , Audrey Oravetz , Daniel Oravetz , Erik Aquino Ortiz , Yeisson Osorio , Zach Pace , Nelson Padilla , Nathalie Palanque-Delabrouille , Pedro Alonso Palicio , Hsi-An Pan , Kaike Pan , Taniya Parikh , Isabelle Paris , Changbom Park , Sebastien Peirani , Marcos Pellejero-Ibanez , Samantha Penny , Will J. Percival , Ismael Perez-Fournon , Patrick Petitjean , Matthew M. Pieri , Marc Pinsonneault , Alice Pisani , Francisco Prada , Abhishek Prakash , Anna Barbara de Andrade Queiroz , M. Jordan Raddick , Anand Raichoor , Sandro Barboza Rembold , Hannah Richstein , Rogemar A. Riffel , Rogerio Riffel , Hans-Walter Rix , Annie C. Robin , Sergio Rodriguez Torres , Carlos Roman-Zuniga , Ashley J. Ross , Graziano Rossi , John Ruan , Rossana Ruggeri , Jose Ruiz , Mara Salvato , Ariel G. Sanchez , Sebastian F. Sanchez , Jorge Sanchez Almeida , Jose R. Sanchez-Gallego , Felipe Antonio Santana Rojas , Basilio Xavier Santiago , Ricardo P. Schiavon , Jaderson S. Schimoia , Edward Schlafly , David Schlegel , Donald P. Schneider , William J. Schuster , Axel Schwope , Hee-Jong Seo , Aldo Serenelli , Shiyin Shen , Yue Shen , Matthew Shetrone , Michael Shull , Victor Silva Aguirre , Joshua D. Simon , Mike Skrutskie , Anze Slosar , Rebecca Smethurst , Verne Smith , Jennifer Sobeck , Garrett Somers , Barbara J. Souter , Diogo Souto , Ashley Spindler , David V. Stark , Keivan Stassun , Matthias Steinmetz , Dennis Stello , Thaisa Storchi-Bergmann , Alina Streblyanska , Guy Stringfellow , Genaro Suarez , Jing Sun , Laszlo Szigeti , Manuchehr Taghizadeh-Popp , Michael S. Talbot , Baitian Tang , Charling Tao , Jamie Tayar , Mita Tembe , Johanna Teske , Aniruddha R. Thaker , Daniel Thomas , Patricia Tissera , Rita Tojeiro , Christy Tremonti , Nicholas W. Troup , Meg Urry , O. Valenzuela , Remco van den Bosch , Jaime Vargas-Gonzalez , Mariana Vargas-Magana , Jose Alberto Vazquez , Sandro Villanova , Nicole Vogt , David Wake , Yuting Wang , Benjamin Alan Weaver , Anne-Marie Weijmans , David H. Weinberg , Kyle B. Westfall , David G. Whelan , Eric Wilcots , Vivienne Wild , Rob A. Williams , John Wilson , W. M. Wood-Vasey , Dominika Wylezalek , Ting Xiao , Renbin Yan , Meng Yang , Jason E. Ybarra , Christophe Yeche , Nadia Zakamska , Olga Zamora , Pauline Zarrouk , Gail Zasowski , Kai Zhang , Cheng Zhao , Gong-Bo Zhao , Zheng Zheng , Zheng Zheng , Zhi-Min Zhou , Guangtun Zhu , Joel C. Zinn , Hu Zou
We present a multiwavelength study of star formation within the nearby M101 Group, including new deep H$\alpha$ imaging of M101 and its two companions. We perform a statistical analysis of the H$\alpha$ to FUV flux ratios in HII regions…
Astrophysics of Galaxies · Physics
2017-12-27
Aaron E. Watkins , J. Christopher Mihos , Paul Harding
The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) began observations in July 2014. It pursues three core programs: APOGEE-2, MaNGA, and eBOSS. In addition, eBOSS contains two major subprograms: TDSS and SPIDERS. This paper…
Astrophysics of Galaxies · Physics
2017-12-20
SDSS Collaboration , Franco D. Albareti , Carlos Allende Prieto , Andres Almeida , Friedrich Anders , Scott Anderson , Brett H. Andrews , Alfonso Aragon-Salamanca , Maria Argudo-Fernandez , Eric Armengaud , Eric Aubourg , Vladimir Avila-Reese , Carles Badenes , Stephen Bailey , Beatriz Barbuy , Kat Barger , Jorge Barrera-Ballesteros , Curtis Bartosz , Sarbani Basu , Dominic Bates , Giuseppina Battaglia , Falk Baumgarten , Julien Baur , Julian Bautista , Timothy C. Beers , Francesco Belfiore , Matthew Bershady , Sara Bertran de Lis , Jonathan C. Bird , Dmitry Bizyaev , Guillermo A. Blanc , Michael Blanton , Michael Blomqvist , Adam S. Bolton , J. Borissova , Jo Bovy , William Nielsen Brandt , Jonathan Brinkmann , Joel R. Brownstein , Kevin Bundy , Etienne Burtin , Nicolas G. Busca , Hugo Orlando Camacho Chavez , M. Cano Diaz , Michele Cappellari , Ricardo Carrera , Yanping Chen , Brian Cherinka , Edmond Cheung , Cristina Chiappini , Drew Chojnowski , Chia-Hsun Chuang , Haeun Chung , Rafael Fernando Cirolini , Nicolas Clerc , Roger E. Cohen , Julia M. Comerford , Johan Comparat , Marie-Claude Cousinou , Kevin Covey , Jeffrey D. Crane , Rupert Croft , Katia Cunha , Luiz da Costa , Gabriele da Silva Ilha , Jeremy Darling , James W. Davidson , Kyle Dawson , Nathan De Lee , Axel de la Macorra , Sylvain de la Torre , Alice Deconto Machado , Timothee Delubac , Aleksandar M. Diamond-Stanic , John Donor , Juan Jose Downes , Niv Drory , Helion du Mas des Bourboux , Cheng Du , Tom Dwelly , Garrett Ebelke , Arthur Eigenbrot , Daniel J. Eisenstein , Yvonne P. Elsworth , Eric Emsellem , Michael Eracleous , Stephanie Escoffier , Michael L. Evans , Jesus Falcon-Barroso , Xiaohui Fan , Ginevra Favole , Emma Fernandez-Alvar , J. G. Fernandez-Trincado , Diane Feuillet , Scott W. Fleming , Andreu Font-Ribera , Gordon Freischlad , Peter Frinchaboy , Hai Fu , Yang Gao , D. A. Garcia-Hernandez , Ana E. Garcia Perez , Rafael A. Garcia , R. Garcia-Dias , Patrick Gaulme , Junqiang Ge , Douglas Geisler , Hector Gil Marin , Bruce Gillespie , Leo Girardi , Daniel Goddard , Yilen Gomez Maqueo Chew , Violeta Gonzalez-Perez , Kathleen Grabowski , Paul Green , Catherine J. Grier , Thomas Grier , Hong Guo , Julien Guy , Alex Hagen , Matt Hall , Paul Harding , R. E. Harley , Sten Hasselquist , Suzanne Hawley , Christian R. Hayes , Fred Hearty , Saskia Hekker , Hector Hernandez Toledo , Shirley Ho , David W. Hogg , Kelly Holley-Bockelmann , Jon A. Holtzman , Parker H. Holzer , Jian Hu , Daniel Huber , Timothy Alan Hutchinson , Ho Seong Hwang , Hector J. Ibarra-Medel , Inese I. Ivans , KeShawn Ivory , Kurt Jaehnig , Trey W. Jensen , Jennifer A. Johnson , Amy Jones , Eric Jullo , T. Kallinger , Karen Kinemuchi , David Kirkby , Mark Klaene , Jean-Paul Kneib , Juna A. Kollmeier , Ivan Lacerna , Richard R. Lane , Dustin Lang , Pierre Laurent , David R. Law , Jean-Marc Le Goff , Alexie Leauthaud , Cheng Li , Ran Li , Chen Li , Niu Li , Fu-Heng Liang , Yu Liang , Marcos Lima , Lihwai Lin , Lin Lin , Yen-Ting Lin , Dan Long , Sara Lucatello , Nicholas MacDonald , Chelsea L. MacLeod , J. Ted Mackereth , Suvrath Mahadevan , Marcio Antonio-Geimba Maia , Roberto Maiolino , Steven R. Majewski , Olena Malanushenko , Nicolas Dullius Mallmann , Arturo Manchado , Claudia Maraston , Rui Marques-Chaves , Inma Martinez Valpuesta , Karen L. Masters , Savita Mathur , Ian D. McGreer , Andrea Merloni , Michael R. Merrifield , Szabolcs Meszaros , Andres Meza , Andrea Miglio , Ivan Minchev , Karan Molaverdikhani , Antonio D. Montero-Dorta , Benoit Mosser , Demitri Muna , Adam Myers , Preethi Nair , Kirpal Nandra , Melissa Ness , Jeffrey A. Newman , Robert C. Nichol , David L. Nidever , Christian Nitschelm , Julia O'Connell , Audrey Oravetz , Nelson Padilla , Nathalie Palanque-Delabrouille , Kaike Pan , John Parejko , Isabelle Paris , John A. Peacock , Sebastien Peirani , Marcos Pellejero-Ibanez , Samantha Penny , Will J. Percival , Jeffrey W. Percival , Ismael Perez-Fournon , Patrick Petitjean , Matthew Pieri , Marc H. Pinsonneault , Alice Pisani , Francisco Prada , Abhishek Prakash , Natalie Price-Jones , M. Jordan Raddick , Mubdi Rahman , Anand Raichoor , Sandro Barboza Rembold , A. M. Reyna , James Rich , Hannah Richstein , Jethro Ridl , Rogerio Riffel , Rogemar A. Riffel , Hans-Walter Rix , Annie C. Robin , Constance M. Rockosi , Sergio Rodriguez-Torres , Thaise S. Rodrigues , Natalie Roe , A. Roman Lopes , Carlos Roman-Zuniga , Ashley J. Ross , Graziano Rossi , John Ruan , Rossana Ruggeri , Jessie C. Runnoe , Salvador Salazar-Albornoz , Mara Salvato , Ariel G. Sanchez , Sebastian F. Sanchez , Jose R. Sanchez-Gallego , Basilio Xavier Santiago , Ricardo Schiavon , Jaderson S. Schimoia , Eddie Schlafly , David J. Schlegel , Donald P. Schneider , Ralph Schoenrich , Mathias Schultheis , Axel Schwope , Hee-Jong Seo , Aldo Serenelli , Branimir Sesar , Zhengyi Shao , Matthew Shetrone , Michael Shull , Victor Silva Aguirre , M. F. Skrutskie , Anže Slosar , Michael Smith , Verne V. Smith , Jennifer Sobeck , Garrett Somers , Diogo Souto , David V. Stark , Keivan G. Stassun , Matthias Steinmetz , Dennis Stello , Thaisa Storchi Bergmann , Michael A. Strauss , Alina Streblyanska , Guy S. Stringfellow , Genaro Suarez , Jing Sun , Manuchehr Taghizadeh-Popp , Baitian Tang , Charling Tao , Jamie Tayar , Mita Tembe , Daniel Thomas , Jeremy Tinker , Rita Tojeiro , Christy Tremonti , Nicholas Troup , Jonathan R. Trump , Eduardo Unda-Sanzana , O. Valenzuela , Remco van den Bosch , Mariana Vargas-Magana , Jose Alberto Vazquez , Sandro Villanova , M. Vivek , Nicole Vogt , David Wake , Rene Walterbos , Yuting Wang , Enci Wang , Benjamin Alan Weaver , Anne-Marie Weijmans , David H. Weinberg , Kyle B. Westfall , David G. Whelan , Eric Wilcots , Vivienne Wild , Rob A. Williams , John Wilson , W. M. Wood-Vasey , Dominika Wylezalek , Ting Xiao , Renbin Yan , Meng Yang , Jason E. Ybarra , Christophe Yeche , Fang-Ting Yuan , Nadia Zakamska , Olga Zamora , Gail Zasowski , Kai Zhang , Cheng Zhao , Gong-Bo Zhao , Zheng Zheng , Zheng Zheng , Zhi-Min Zhou , Guangtun Zhu , Joel C. Zinn , Hu Zou
We describe the Sloan Digital Sky Survey IV (SDSS-IV), a project encompassing three major spectroscopic programs. The Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2) is observing hundreds of thousands of Milky Way stars…
Astrophysics of Galaxies · Physics
2017-07-07
Michael R. Blanton , Matthew A. Bershady , Bela Abolfathi , Franco D. Albareti , Carlos Allende Prieto , Andres Almeida , Javier Alonso-García , Friedrich Anders , Scott F. Anderson , Brett Andrews , Erik Aquino-Ortíz , Alfonso Aragón-Salamanca , Maria Argudo-Fernández , Eric Armengaud , Eric Aubourg , Vladimir Avila-Reese , Carles Badenes , Stephen Bailey , Kathleen A. Barger , Jorge Barrera-Ballesteros , Curtis Bartosz , Dominic Bates , Falk Baumgarten , Julian Bautista , Rachael Beaton , Timothy C. Beers , Francesco Belfiore , Chad F. Bender , Andreas A. Berlind , Mariangela Bernardi , Florian Beutler , Jonathan C. Bird , Dmitry Bizyaev , Guillermo A. Blanc , Michael Blomqvist , Adam S. Bolton , Médéric Boquien , Jura Borissova , Remco van den Bosch , Jo Bovy , William N. Brandt , Jonathan Brinkmann , Joel R. Brownstein , Kevin Bundy , Adam J. Burgasser , Etienne Burtin , Nicolás G. Busca , Michele Cappellari , Maria Leticia Delgado Carigi , Joleen K. Carlberg , Aurelio Carnero Rosell , Ricardo Carrera , Brian Cherinka , Edmond Cheung , Yilen Gómez Maqueo Chew , Cristina Chiappini , Peter Doohyun Choi , Drew Chojnowski , Chia-Hsun Chuang , Haeun Chung , Rafael Fernando Cirolini , Nicolas Clerc , Roger E. Cohen , Johan Comparat , Luiz da Costa , Marie-Claude Cousinou , Kevin Covey , Jeffrey D. Crane , Rupert A. C. Croft , Irene Cruz-Gonzalez , Daniel Garrido Cuadra , Katia Cunha , Guillermo J. Damke , Jeremy Darling , Roger Davies , Kyle Dawson , Axel de la Macorra , Nathan De Lee , Timothée Delubac , Francesco Di Mille , Aleks Diamond-Stanic , Mariana Cano-Díaz , John Donor , Juan José Downes , Niv Drory , Hélion du Mas des Bourboux , Christopher J. Duckworth , Tom Dwelly , Jamie Dyer , Garrett Ebelke , Daniel J. Eisenstein , Eric Emsellem , Mike Eracleous , Stephanie Escoffier , Michael L. Evans , Xiaohui Fan , Emma Fernández-Alvar , J. G. Fernandez-Trincado , Diane K. Feuillet , Alexis Finoguenov , Scott W. Fleming , Andreu Font-Ribera , Alexander Fredrickson , Gordon Freischlad , Peter M. Frinchaboy , Lluís Galbany , R. Garcia-Dias , D. A. García-Hernández , Patrick Gaulme , Doug Geisler , Joseph D. Gelfand , Héctor Gil-Marín , Bruce A. Gillespie , Daniel Goddard , Violeta Gonzalez-Perez , Kathleen Grabowski , Paul J. Green , Catherine J. Grier , James E. Gunn , Hong Guo , Julien Guy , Alex Hagen , ChangHoon Hahn , Matthew Hall , Paul Harding , Sten Hasselquist , Suzanne L. Hawley , Fred Hearty , Jonay I. Gonzalez Hernández , Shirley Ho , David W. Hogg , Kelly Holley-Bockelmann , Jon A. Holtzman , Parker H. Holzer , Joseph Huehnerhoff , Timothy A. Hutchinson , Ho Seong Hwang , Héctor J. Ibarra-Medel , Gabriele da Silva Ilha , Inese I. Ivans , KeShawn Ivory , Kelly Jackson , Trey W. Jensen , Jennifer A. Johnson , Amy Jones , Henrik Jönsson , Eric Jullo , Vikrant Kamble , Karen Kinemuchi , David Kirkby , Francisco-Shu Kitaura , Mark Klaene , Gillian R. Knapp , Jean-Paul Kneib , Juna A. Kollmeier , Ivan Lacerna , Richard R. Lane , Dustin Lang , David R. Law , Daniel Lazarz , Jean-Marc Le Goff , Fu-Heng Liang , Cheng Li , Hongyu LI , Marcos Lima , Lihwai Lin , Yen-Ting Lin , Sara Bertran de Lis , Chao Liu , Miguel Angel C. de Icaza Lizaola , Dan Long , Sara Lucatello , Britt Lundgren , Nicholas K. MacDonald , Alice Deconto Machado , Chelsea L. MacLeod , Suvrath Mahadevan , Marcio Antonio Geimba Maia , Roberto Maiolino , Steven R. Majewski , Elena Malanushenko , Viktor Malanushenko , Arturo Manchado , Shude Mao , Claudia Maraston , Rui Marques-Chaves , Karen L. Masters , Cameron K. McBride , Richard M. McDermid , Brianne McGrath , Ian D. McGreer , Nicolás Medina Peña , Matthew Melendez , Andrea Merloni , Michael R. Merrifield , Szabolcs Meszaros , Andres Meza , Ivan Minchev , Dante Minniti , Takamitsu Miyaji , Surhud More , John Mulchaey , Francisco Müller-Sánchez , Demitri Muna , Ricardo R. Munoz , Adam D. Myers , Preethi Nair , Kirpal Nandra , Janaina Correa do Nascimento , Alenka Negrete , Melissa Ness , Jeffrey A. Newman , Robert C. Nichol , David L. Nidever , Christian Nitschelm , Pierros Ntelis , Julia E. O'Connell , Ryan J. Oelkers , Audrey Oravetz , Daniel Oravetz , Zach Pace , Nelson Padilla , Nathalie Palanque-Delabrouille , Pedro Alonso Palicio , Kaike Pan , Taniya Parikh , Isabelle Pâris , Changbom Park , Alim Y. Patten , Sebastien Peirani , Marcos Pellejero-Ibanez , Samantha Penny , Will J. Percival , Ismael Perez-Fournon , Patrick Petitjean , Matthew M. Pieri , Marc Pinsonneault , Alice Pisani , Radosław Poleski , Francisco Prada , Abhishek Prakash , Anna Bárbara de Andrade Queiroz , M. Jordan Raddick , Anand Raichoor , Sandro Barboza Rembold , Hannah Richstein , Rogemar A. Riffel , Rogério Riffel , Hans-Walter Rix , Annie C. Robin , Constance M. Rockosi , Sergio Rodríguez-Torres , A. Roman-Lopes , Carlos Román-Zúñiga , Margarita Rosado , Ashley J. Ross , Graziano Rossi , John Ruan , Rossana Ruggeri , Eli S. Rykoff , Salvador Salazar-Albornoz , Mara Salvato , Ariel G. Sánchez , David Sánchez Aguado , José R. Sánchez-Gallego , Felipe A. Santana , Basílio Xavier Santiago , Conor Sayres , Ricardo P. Schiavon , Jaderson da Silva Schimoia , Edward F. Schlafly , David J. Schlegel , Donald P. Schneider , Mathias Schultheis , William J. Schuster , Axel Schwope , Hee-Jong Seo , Zhengyi Shao , Shiyin Shen , Matthew Shetrone , Michael Shull , Joshua D. Simon , Danielle Skinner , M. F. Skrutskie , Anže Slosar , Verne V. Smith , Jennifer S. Sobeck , Flavia Sobreira , Garrett Somers , Diogo Souto , David V. Stark , Keivan Stassun , Fritz Stauffer , Matthias Steinmetz , Thaisa Storchi-Bergmann , Alina Streblyanska , Guy S. Stringfellow , Genaro Suárez , Jing Sun , Nao Suzuki , Laszlo Szigeti , Manuchehr Taghizadeh-Popp , Baitian Tang , Charling Tao , Jamie Tayar , Mita Tembe , Johanna Teske , Aniruddha R. Thakar , Daniel Thomas , Benjamin A. Thompson , Jeremy L. Tinker , Patricia Tissera , Rita Tojeiro , Hector Hernandez Toledo , Sylvain de la Torre , Christy Tremonti , Nicholas W. Troup , Octavio Valenzuela , Inma Martinez Valpuesta , Jaime Vargas-González , Mariana Vargas-Magaña , Jose Alberto Vazquez , Sandro Villanova , M. Vivek , Nicole Vogt , David Wake , Rene Walterbos , Yuting Wang , Benjamin Alan Weaver , Anne-Marie Weijmans , David H. Weinberg , Kyle B. Westfall , David G. Whelan , Vivienne Wild , John Wilson , W. M. Wood-Vasey , Dominika Wylezalek , Ting Xiao , Renbin Yan , Meng Yang , Jason E. Ybarra , Christophe Yèche , Nadia Zakamska , Olga Zamora , Pauline Zarrouk , Gail Zasowski , Kai Zhang , Gong-Bo Zhao , Zheng Zheng , Zhi-Min Zhou , Guangtun B. Zhu , Manuela Zoccali , Hu Zou
We present an online catalog of distance determinations for $\rm 6036$ K giants, most of which are members of the Milky Way's stellar halo. Their medium-resolution spectra from SDSS/SEGUE are used to derive metallicities and rough gravity…
Astrophysics of Galaxies · Physics
2017-03-15
Xiang-Xiang Xue , Zhibo Ma , Hans-Walter Rix , Heather L. Morrison , Paul Harding , Timothy C. Beers , Inese I. Ivans , Heather R. Jacobson , Jennifer Johnson , Young Sun Lee , Sara Lucatello , Constance M. Rockosi , Jennifer S. Sobeck , Brian Yanny , Gang Zhao , Carlos Allende Prieto
The distance to NGC 7331 has been derived from Cepheid variables observed with HST/WFPC2, as part of the Extragalactic Distance Scale Key Project. Multi-epoch exposures in F555W (V) and F814W (I), with photometry derived independently from…
Astrophysics · Physics
2017-01-04
H0 Key Project , : , Shaun M. G. Hughes , Mingsheng Han , John Hoessel , Wendy L. Freedman , Robert C. Kennicutt , Jeremy. R. Mould , Abi Saha , Peter B. Stetson , Barry F. Madore , Nancy A. Silbermann , Paul Harding , Laura Ferrarese , Holland Ford , Brad K. Gibson , John A. Graham , Robert Hill , John Huchra , Garth D. Illingworth , Randy Phelps , Shoko Sakai
We present a deep imaging survey of the Virgo Cluster, designed to study the connection between cluster galaxies and Virgo's diffuse intracluster light (ICL). Our observations span roughly 16 square degrees and reach a 3-sigma depth of…
Astrophysics of Galaxies · Physics
2017-01-04
J. Christopher Mihos , Paul Harding , John J. Feldmeier , Craig Rudick , Steven Janowiecki , Heather Morrison , Colin Slater , Aaron Watkins
The MaNGA Survey (Mapping Nearby Galaxies at Apache Point Observatory) is one of three core programs in the Sloan Digital Sky Survey IV. It is obtaining integral field spectroscopy (IFS) for 10K nearby galaxies at a spectral resolution of…
Astrophysics of Galaxies · Physics
2016-12-07
Renbin Yan , Kevin Bundy , David R. Law , Matthew A. Bershady , Brett Andrews , Brian Cherinka , Aleksandar M. Diamond-Stanic , Niv Drory , Nicholas MacDonald , José R. Sánchez-Gallego , Daniel Thomas , David A. Wake , Anne-Marie Weijmans , Kyle B. Westfall , Kai Zhang , Alfonso Aragón-Salamanca , Francesco Belfiore , Dmitry Bizyaev , Guillermo A. Blanc , Michael R. Blanton , Joel Brownstein , Michele Cappellari , Richard D'Souza , Eric Emsellem , Hai Fu , Patrick Gaulme , Mark T. Graham , Daniel Goddard , James E. Gunn , Paul Harding , Amy Jones , Karen Kinemuchi , Cheng Li , Hongyu Li , Roberto Maiolino , Shude Mao , Claudia Maraston , Karen Masters , Michael R. Merrifield , Daniel Oravetz , Kaike Pan , John K. Parejko , Sebastian F. Sanchez , David Schlegel , Audrey Simmons , Karun Thanjavur , Jeremy Tinker , Christy Tremonti , Remco van den Bosch , Zheng Zheng
We have obtained deep surface photometry of the edge-on spiral galaxy NGC 4244. Our data reliably reach 27.5 R magnitude arcsec^{-2}, a significant improvement on our earlier deep CCD surface photometry of other galaxies. NGC 4244 is a…
Astrophysics · Physics
2016-08-30
Anne M. Fry , Heather L. Morrison , Paul Harding , Todd A. Boroson