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As part of the Sloan Digital Sky Survey IV the extended Baryon Oscillation Spectroscopic Survey (eBOSS) will improve measurements of the cosmological distance scale by applying the Baryon Acoustic Oscillation (BAO) method to quasar samples.…
Cosmology and Nongalactic Astrophysics · Physics
2019-08-15
Adam D. Myers , Nathalie Palanque-Delabrouille , Abhishek Prakash , Isabelle Pâris , Christophe Yeche , Kyle S. Dawson , Jo Bovy , Dustin Lang , David J. Schlegel , Jeffrey A. Newman , Patrick Petitjean , Jean Paul Kneib , Pierre Laurent , Will J. Percival , Ashley J. Ross , Hee-Jong Seo , Jeremy L. Tinker , Eric Armengaud , Joel Brownstein , Etienne Burtin , Zheng Cai , Johan Comparat , Mansi Kasliwal , Shrinivas R. Kulkarni , Russ Laher , David Levitan , Cameron K. McBride , Ian D. McGreer , Adam A. Miller , Peter Nugent , Eran Ofek , Graziano Rossi , John Ruan , Donald P. Schneider , Branimir Sesar , Alina Streblyanska , Jason Surace
The SDSS-III Baryon Oscillation Spectroscopic Survey (BOSS), a five-year spectroscopic survey of 10,000 deg^2, achieved first light in late 2009. One of the key goals of BOSS is to measure the signature of baryon acoustic oscillations in…
Cosmology and Nongalactic Astrophysics · Physics
2015-05-28
Nicholas P. Ross , Adam D. Myers , Erin S. Sheldon , Christophe Yèche , Michael A. Strauss , Jo Bovy , Jessica A. Kirkpatrick , Gordon T. Richards , Eric Aubourg , Michael R. Blanton , W. N. Brandt , William C. Carithers , Rupert A. C. Croft , Robert da Silva , Kyle Dawson , Daniel J. Eisenstein , Joseph F. Hennawi , Shirley Ho , David W. Hogg , Khee-Gan Lee , Britt Lundgren , Richard G. McMahon , Jordi Miralda-Escude , Nathalie Palanque-Delabrouille , Isabelle Paris , Patrick Petitjean , Matthew M. Pieri , James Rich , Natalie A. Roe , David Schiminovich , David J. Schlegel , Donald P. Schneider , Anže Slosar , Nao Suzuki , Jeremy L. Tinker , David H. Weinberg , Anya Weyant , Martin White , W. Michael Wood-Vasey
We report the first results of a study of variable point sources identified using multi-color time-series photometry from Sloan Digital Sky Survey (SDSS) Stripe 82 over a span of nearly 10 years (1998-2007). We construct a light-curve…
Solar and Stellar Astrophysics · Physics
2014-11-20
Waqas A. Bhatti , Michael W. Richmond , Holland C. Ford , Larry D. Petro
We present a catalogue of 1602 white dwarf-main sequence binaries (WDMS) from the spectroscopic Sloan Digital Sky Survey Data Release 6 (SDSS DR6). Among these we identify 440 as new WDMS binaries. We select WDMS binary candidates from…
Solar and Stellar Astrophysics · Physics
2015-05-14
A. Rebassa-Mansergas , B. T. Gaensicke , M. R. Schreiber , D. Koester , P. Rodriguez-Gil
We present a catalog of 37,842 quasars in the SDSS Data Release 7, which have counterparts within 6" in the WISE Preliminary Data Release. The overall WISE detection rate of the SDSS quasars is 86.7%, and it decreases to less than 50.0%…
Cosmology and Nongalactic Astrophysics · Physics
2015-06-04
Xue-Bing Wu , Guoqiang Hao , Zhendong Jia , Yanxia Zhang , Nanbo Peng
Diffuse interstellar bands (DIBs) have been discovered for almost a century, but their nature remains one of the most challenging problems in astronomical spectroscopy. Most recent work to identify and investigate the properties and…
SDSS-V will obtain 100,000s of medium-resolution, optical spectra of M dwarfs with the BOSS instrument. M dwarfs have complex atmospheres, and their spectra contain many wide and dense, overlapping molecular features, so determining…
Solar and Stellar Astrophysics · Physics
2025-09-22
Ilija Medan , Zachary Way , Bárbara Rojas-Ayala , Guy S. Stringfellow , Conor Sayres , Keivan G. Stassun , Andrew R. Casey , Sébastien Lépine , Emma Galligan , Diogo Souto , Andrew K. Saydjari
Massive far-red and infrared imaging surveys in different bandpasses are the main contributors to the discovery of brown dwarfs. The Virtual Observatory represents an adequate framework to handle these vast datasets efficiently and filter…
We present the fourth edition of the Sloan Digital Sky Survey (SDSS) Quasar Catalog. The catalog contains 77,429 objects; this is an increase of over 30,000 entries since the previous edition. The catalog consists of the objects in the SDSS…
Astrophysics · Physics
2008-11-26
Donald P. Schneider , Patrick B. Hall , Gordon T. Richards , Michael A. Strauss , Daniel E. Vanden Berk , Scott F. Anderson , W. N. Brandt , Xiaohui Fan , Sebastian Jester , Jim Gray , James E. Gunn , Mark U. SubbaRao , Anirudda R. Thakar , Chris Stoughton , Alexander S. Szalay , Brian Yanny , Donald G. York , Neta A. Bahcall , J. Barentine , Michael R. Blanton , Howard Brewington , J. Brinkmann , Robert J. Brunner , Francisco J. Castander , Istvan Csabai , Joshua A. Frieman , Masataka Fukugita , Michael Harvanek , David W. Hogg , Zeljko Ivezic , Stephen M. Kent , S. J. Kleinman , G. R. Knapp , Richard G. Kron , Jurek Krzesinski , Daniel C. Long , Robert H. Lupton , Atsuko Nitta , Jeffrey R. Pier , David H. Saxe , Yue Shen , Stephanie A. Snedden , David H. Weinberg , Jian Wu
We present the discovery of eight quasars at z~6 identified in the Sloan Digital Sky Survey (SDSS) overlap regions. Individual SDSS imaging runs have some overlap with each other, leading to repeat observations over an area spanning >4000…
Astrophysics of Galaxies · Physics
2015-05-27
Linhua Jiang , Ian D. McGreer , Xiaohui Fan , Fuyan Bian , Zheng Cai , Benjamin Clement , Ran Wang , Zhou Fan
We present the Data Release 12 Quasar catalog (DR12Q) from the Baryon Oscillation Spectroscopic Survey (BOSS) of the SDSS-III. This catalog includes all SDSS-III/BOSS objects that were spectroscopically targeted as quasar candidates during…
Astrophysics of Galaxies · Physics
2017-01-11
Isabelle Pâris , Patrick Petitjean , Nicholas P. Ross , Adam D. Myers , Éric Aubourg , Alina Streblyanska , Stephen Bailey , Éric Armengaud , Nathalie Palanque-Delabrouille , Christophe Yèche , Fred Hamann , Michael A. Strauss , Franco D. Albareti , Jo Bovy , Dmitry Bizyaev , W. Niel Brandt , Marcella Brusa , Johannes Buchner , Johan Comparat , Rupert A. C. Croft , Tom Dwelly , Xiaohui Fan , Andreu Font-Ribera , Jian Ge , Antonis Georgakakis , Patrick B. Hall , Linhua Jian , Karen Kinemuchi , Elena Malanushenko , Viktor Malanushenko , Richard G. McMahon , Marie-Luise Menzel , Andrea Merloni , Kirpal Nandra , Pasquier Noterdaeme , Daniel Oravetz , Kaike Pan , Matthew M. Pieri , Francisco Prada , Mara Salvato , David J. Schlegel , Donald P. Schneider , Audrey Simmons , Matteo Viel , David H. Weinberg , Liu Zhu
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 produce 1000 realizations of synthetic clustering catalogues for each type of the tracers used for the baryon acoustic oscillation and redshift space distortion analysis of the Sloan Digital Sky Surveys-IV extended Baryon Oscillation…
Cosmology and Nongalactic Astrophysics · Physics
2021-03-16
Cheng Zhao , Chia-Hsun Chuang , Julian Bautista , Arnaud de Mattia , Anand Raichoor , Ashley J. Ross , Jiamin Hou , Richard Neveux , Charling Tao , Etienne Burtin , Kyle S. Dawson , Sylvain de la Torre , Héctor Gil-Marín , Jean-Paul Kneib , Will J. Percival , Graziano Rossi , Amélie Tamone , Jeremy L. Tinker , Gong-Bo Zhao , Shadab Alam , Eva-Maria Mueller
We describe photometric recalibration of data obtained by the asteroid survey LINEAR. Although LINEAR was designed for astrometric discovery of moving objects, the dataset described here contains over 5 billion photometric measurements for…
Astrophysics of Galaxies · Physics
2015-05-30
Branimir Sesar , J. Scott Stuart , Željko Ivezić , Dylan P. Morgan , Andrew C. Becker , Przemysław Woźniak
In preparation for the Supernova Survey of the Sloan Digital Sky Survey (SDSS) II, a proposed 3-year extension to the SDSS, we have conducted an early engineering and science run during the fall of 2004, which consisted of approximately 20…
Astrophysics · Physics
2008-11-26
Masao Sako , Roger Romani , Josh Frieman , Jen Adelman-McCarthy , Andrew Becker , Fritz DeJongh , Ben Dilday , Juan Estrada , John Hendry , Jon Holtzman , Jared Kaplan , Rick Kessler , Hubert Lampeitl , John Marriner , Gajus Miknaitis , Adam Riess , Douglas Tucker , J. Barentine , R. Blandford , H. Brewington , J. Dembicky , M. Harvanek , S. Hawley , C. Hogan , D. Johnston , S. Kahn , B. Ketzeback , S. Kleinman , J. Krzesinski , D. Lamenti , D. Long , R. McMillan , P. Newman , A. Nitta , R. Nichol , R. Scranton , E. Sheldon , S. Snedden , C. Stoughton , D. York , the SDSS Collaboration
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 present a brief technical outline of the newly-formed 'Detection of Spectroscopic Differences over Time' (DS/DT) project. Our collaboration is using the individual exposures from the SDSS spectroscopic archive to produce a…
Instrumentation and Methods for Astrophysics · Physics
2015-06-03
Steven Bickerton , Carles Badenes , Thomas Hettinger , Timothy Beers , Sonya Huang
A number of deep, wide-field, near-infrared surveys employing new infrared cameras on 4m-class telescopes are about to commence. These surveys have the potential to determine the fraction of luminous dust-obscured quasars that may have…
We present the design and performance of the multi-object fiber spectrographs for the Sloan Digital Sky Survey (SDSS) and their upgrade for the Baryon Oscillation Spectroscopic Survey (BOSS). Originally commissioned in Fall 1999 on the…
Instrumentation and Methods for Astrophysics · Physics
2015-06-11
Stephen Smee , James E. Gunn , Alan Uomoto , Natalie Roe , David Schlegel , Constance M. Rockosi , Michael A. Carr , French Leger , Kyle S. Dawson , Matthew D. Olmstead , Jon Brinkmann , Russell Owen , Robert H. Barkhouser , Klaus Honscheid , Paul Harding , Dan Long , Robert H. Lupton , Craig Loomis , Lauren Anderson , James Annis , Mariangela Bernardi , Vaishali Bhardwaj , Dmitry Bizyaev , Adam S. Bolton , Howard Brewington , John W. Briggs , Scott Burles , James G. Burns , Francisco Castander , Andrew Connolly , James R. Davenport , Garrett Ebelke , Harland Epps , Paul D. Feldman , Scott Friedman , Joshua Frieman , Timothy Heckman , Charles L. Hull , Gillian R. Knapp , David M. Lawrence , Jon Loveday , Edward J. Mannery , Elena Malanushenko , Viktor Malanushenko , Aronne Merrelli , Demitri Muna , Peter Newman , Robert C. Nichol , Daniel Oravetz , Kaike Pan , Adrian C. Pope , Paul G. Ricketts , Alaina Shelden , Dale Sandford , Walter Siegmund , Audrey Simmons , D. Smith , Stephanie Snedden , Donald P. Schneider , Michael Strauss , Mark SubbaRao , Christy Tremonti , Patrick Waddell , Donald G. York
The fields of view of Extremely Large Telescopes will contain vast numbers of spatial sampling elements (spaxels) as their Adaptive Optics systems approach the diffraction limit over wide fields. Since this will exceed the detection…
Instrumentation and Methods for Astrophysics · Physics
2015-05-13
G. J. Murray , J. R. Allington-Smith