Related papers
Related papers: The Spectroscopic Data Processing Pipeline for the…
200 papers
We present the one-dimensional Lyman-$\alpha$ forest power spectrum measurement using the first data provided by the Dark Energy Spectroscopic Instrument (DESI). The data sample comprises $26,330$ quasar spectra, at redshift $z > 2.1$,…
Cosmology and Nongalactic Astrophysics · Physics
2025-03-27
Corentin Ravoux , Marie Lynn Abdul-Karim , Eric Armengaud , Michael Walther , Naim Göksel Karaçaylı , Paul Martini , Julien Guy , Jessica Nicole Aguilar , Steven Ahlen , Stephen Bailey , Julian Bautista , Sergio Felipe Beltran , David Brooks , Laura Cabayol-Garcia , Solène Chabanier , Edmond Chaussidon , Jonás Chaves-Montero , Kyle Dawson , Rodrigo de la Cruz , Axel de la Macorra , Peter Doel , Kevin Fanning , Andreu Font-Ribera , Jaime Forero-Romero , Satya Gontcho A Gontcho , Alma Gonzalez-Morales , Calum Gordon , Hiram Herrera-Alcantar , Klaus Honscheid , Vid Iršič , Mustapha Ishak , Robert Kehoe , Theodore Kisner , Anthony Kremin , Martin Landriau , Laurent Le Guillou , Michael Levi , Zarija Lukić , Christophe Magneville , Aaron Meisner , Ramon Miquel , John Moustakas , Eva-Maria Mueller , Andrea Muñoz-Gutiérrez , Lucas Napolitano , Jundan Nie , Gustavo Niz , Nathalie Palanque-Delabrouille , Will Percival , Ignasi Pérez-Ràfols , Matthew Pieri , Claire Poppett , Francisco Prada , César Ramírez Pérez , Graziano Rossi , Eusebio Sanchez , David Schlegel , Michael Schubnell , Hee-Jong Seo , Francesco Sinigaglia , Ting Tan , Gregory Tarlé , Ben Wang , Benjamin Weaver , Christophe Yèche , Zhimin Zhou
We present spectroscopic data of strong lenses and their source galaxies using the Keck Near-Infrared Echellette Spectrometer (NIRES) and the Dark Energy Spectroscopic Instrument (DESI), providing redshifts necessary for nearly all…
Cosmology and Nongalactic Astrophysics · Physics
2026-04-21
Shrihan Agarwal , Xiaosheng Huang , William Sheu , Christopher J. Storfer , Marcos Tamargo-Arizmendi , Suchitoto Tabares-Tarquinio , D. J. Schlegel , G. Aldering , A. Bolton , A. Cikota , Arjun Dey , A. Filipp , E. Jullo , K. J. Kwon , S. Perlmutter , Y. Shu , E. Sukay , N. Suzuki , J. Aguilar , S. Ahlen , S. BenZvi , D. Brooks , T. Claybaugh , P. Doel , J. E. Forero-Romero , E. Gaztañaga , S. Gontcho A Gontcho , G. Gutierrez , K. Honscheid , M. Ishak , S. Juneau , R. Kehoe , T. Kisner , S. E. Koposov , A. Lambert , M. Landriau , L. Le Guillou , A. de la Macorra , A. Meisner , R. Miquel , J. Moustakas , A. D. Myers , C. Poppett , F. Prada , I. Pérez-Ràfols , G. Rossi , E. Sanchez , M. Schubnell , D. Sprayberry , G. Tarlé , B. A. Weaver , H. Zou
We describe the model for the mapping from sky brightness to the digital output of the Dark Energy Camera, and the algorithms adopted by the Dark Energy Survey (DES) for inverting this model to obtain photometric measures of celestial…
Instrumentation and Methods for Astrophysics · Physics
2017-09-20
G. M. Bernstein , T. M. C. Abbott , S. Desai , D. Gruen , R. A. Gruendl , M. D. Johnson , H. Lin , F. Menanteau , E. Morganson , E. Neilsen , K. Paech , A. R. Walker , W. Wester , B. Yanny
The Dark Energy Spectroscopic Instrument (DESI) is a massively parallel spectroscopic survey on the Mayall telescope at Kitt Peak, which has released measurements of baryon acoustic oscillations determined from over 14 million extragalactic…
Cosmology and Nongalactic Astrophysics · Physics
2025-09-10
S. Ahlen , A. Aviles , B. Cartwright , K. S. Croker , W. Elbers , D. Farrah , N. Fernandez , G. Niz , J. Rohlf , G. Tarlé , R. A. Windhorst , J. Aguilar , U. Andrade , D. Bianchi , D. Brooks , T. Claybaugh , A. de la Macorra , A. de Mattia , B. Dey , P. Doel , J. E. Forero-Romero , E. Gaztañaga , S. Gontcho A Gontcho , G. Gutierrez , D. Huterer , M. Ishak , R. Kehoe , D. Kirkby , A. Kremin , O. Lahav , C. Lamman , M. Landriau , L. Le Guillou , M. E. Levi , M. Manera , R. Miquel , J. Moustakas , I. Pérez-Ràfols , F. Prada , G. Rossi , E. Sanchez , M. Schubnell , H. Seo , J. Silber , D. Sprayberry , M. Walther , B. A. Weaver , R. H. Wechsler , H. Zou
The forthcoming Dark Energy Spectroscopic Instrument (DESI) experiment plans to measure the effects of dark energy on the expansion of the Universe and create a $3$D map of the Universe using galaxies up to $z \sim 1.6$ and QSOs up to $z…
Astrophysics of Galaxies · Physics
2020-08-12
Tanveer Karim , Jae H. Lee , Daniel J. Eisenstein , Etienne Burtin , John Moustakas , Anand Raichoor , Christophe Yèche
We describe an initiative to build and use the Dark Energy Spectrometer (DESpec), a wide-field spectroscopic survey instrument for the Blanco 4 meter telescope at Cerro Tololo InterAmerican Observatory (CTIO) in Chile. A new system with…
Cosmology and Nongalactic Astrophysics · Physics
2012-09-13
F. Abdalla , J. Annis , D. Bacon , S. Bridle , F. Castander , M. Colless , D. DePoy , H. T. Diehl , M. Eriksen , B. Flaugher , J. Frieman , E. Gaztanaga , C. Hogan , S. Jouvel , S. Kent , D. Kirk , R. Kron , S. Kuhlmann , O. Lahav , J. Lawrence , H. Lin , J. Marriner , J. Marshall , J. Mohr , R. C. Nichol , M. Sako , W. Saunders , M. Soares-Santos , D. Thomas , R. Wechsler , A. West , H. Wu
The SPE processing function (PF) of the \Euclid pipeline is dedicated to the automatic analysis of one-dimensional spectra to determine redshifts, line fluxes, and spectral classifications. The first \Euclid Quick Data Release (Q1) delivers…
Cosmology and Nongalactic Astrophysics · Physics
2026-03-11
Euclid Collaboration , V. Le Brun , M. Bethermin , M. Moresco , D. Vibert , D. Vergani , C. Surace , G. Zamorani , A. Allaoui , T. Bedrine , P. -Y. Chabaud , G. Daste , F. Dufresne , M. Gray , E. Rossetti , Y. Copin , S. Conseil , E. Maiorano , Z. Mao , E. Palazzi , L. Pozzetti , S. Quai , C. Scarlata , M. Talia , H. M. Courtois , L. Guzzo , B. Kubik , A. M. C. Le Brun , J. A. Peacock , D. Scott , D. Bagot , A. Basset , P. Casenove , R. Gimenez , G. Libet , M. Ruffenach , N. Aghanim , B. Altieri , A. Amara , S. Andreon , N. Auricchio , H. Aussel , C. Baccigalupi , M. Baldi , A. Balestra , S. Bardelli , P. Battaglia , A. Biviano , A. Bonchi , D. Bonino , E. Branchini , M. Brescia , J. Brinchmann , A. Caillat , S. Camera , G. Cañas-Herrera , V. Capobianco , C. Carbone , J. Carretero , S. Casas , F. J. Castander , G. Castignani , S. Cavuoti , K. C. Chambers , A. Cimatti , C. Colodro-Conde , G. Congedo , C. J. Conselice , L. Conversi , A. Costille , F. Courbin , J. -G. Cuby , A. Da Silva , H. Degaudenzi , S. de la Torre , G. De Lucia , A. M. Di Giorgio , H. Dole , M. Douspis , F. Dubath , X. Dupac , S. Dusini , A. Ealet , S. Escoffier , M. Fabricius , M. Farina , R. Farinelli , F. Faustini , S. Ferriol , S. Fotopoulou , N. Fourmanoit , M. Frailis , E. Franceschi , M. Fumana , S. Galeotta , K. George , W. Gillard , B. Gillis , C. Giocoli , J. Gracia-Carpio , B. R. Granett , A. Grazian , F. Grupp , S. V. H. Haugan , J. Hoar , H. Hoekstra , W. Holmes , F. Hormuth , A. Hornstrup , P. Hudelot , K. Jahnke , M. Jhabvala , B. Joachimi , E. Keihänen , S. Kermiche , A. Kiessling , M. Kümmel , M. Kunz , H. Kurki-Suonio , Q. Le Boulc'h , D. Le Mignant , S. Ligori , P. B. Lilje , V. Lindholm , I. Lloro , G. Mainetti , D. Maino , O. Mansutti , S. Marcin , O. Marggraf , M. Martinelli , N. Martinet , F. Marulli , R. Massey , S. Maurogordato , E. Medinaceli , S. Mei , M. Melchior , Y. Mellier , M. Meneghetti , E. Merlin , G. Meylan , A. Mora , L. Moscardini , R. Nakajima , C. Neissner , R. C. Nichol , S. -M. Niemi , J. W. Nightingale , C. Padilla , S. Paltani , F. Pasian , K. Pedersen , W. J. Percival , V. Pettorino , S. Pires , G. Polenta , M. Poncet , L. A. Popa , F. Raison , R. Rebolo , A. Renzi , J. Rhodes , G. Riccio , E. Romelli , M. Roncarelli , R. Saglia , Z. Sakr , D. Sapone , B. Sartoris , M. Sauvage , J. A. Schewtschenko , M. Schirmer , P. Schneider , T. Schrabback , M. Scodeggio , A. Secroun , G. Seidel , M. Seiffert , C. Sirignano , G. Sirri , L. Stanco , J. Steinwagner , P. Tallada-Crespí , A. N. Taylor , H. I. Teplitz , I. Tereno , N. Tessore , S. Toft , R. Toledo-Moreo , F. Torradeflot , I. Tutusaus , L. Valenziano , J. Valiviita , T. Vassallo , G. Verdoes Kleijn , A. Veropalumbo , Y. Wang , J. Weller , A. Zacchei , F. M. Zerbi , I. A. Zinchenko , E. Zucca , V. Allevato , M. Ballardini , M. Bolzonella , E. Bozzo , C. Burigana , R. Cabanac , A. Cappi , D. Di Ferdinando , J. A. Escartin Vigo , G. Fabbian , L. Gabarra , W. G. Hartley , J. Martín-Fleitas , S. Matthew , M. Maturi , N. Mauri , R. B. Metcalf , A. Pezzotta , M. Pöntinen , C. Porciani , I. Risso , V. Scottez , M. Sereno , M. Tenti , M. Viel , M. Wiesmann , Y. Akrami , S. Alvi , I. T. Andika , S. Anselmi , M. Archidiacono , F. Atrio-Barandela , S. Avila , M. Bella , P. Bergamini , D. Bertacca , L. Blot , S. Borgani , M. L. Brown , S. Bruton , A. Calabro , B. Camacho Quevedo , F. Caro , C. S. Carvalho , T. Castro , Y. Charles , R. Chary , F. Cogato , A. R. Cooray , O. Cucciati , S. Davini , F. De Paolis , G. Desprez , A. Díaz-Sánchez , J. J. Diaz , S. Di Domizio , J. M. Diego , P. Dimauro , P. -A. Duc , A. Enia , Y. Fang , A. M. N. Ferguson , A. G. Ferrari , A. Finoguenov , A. Fontana , A. Franco , K. Ganga , J. García-Bellido , T. Gasparetto , V. Gautard , E. Gaztanaga , F. Giacomini , F. Gianotti , G. Gozaliasl , A. Gregorio , M. Guidi , C. M. Gutierrez , A. Hall , C. Hernández-Monteagudo , H. Hildebrandt , J. Hjorth , J. J. E. Kajava , Y. Kang , V. Kansal , D. Karagiannis , K. Kiiveri , C. C. Kirkpatrick , S. Kruk , L. Legrand , M. Lembo , F. Lepori , G. F. Lesci , J. Lesgourgues , L. Leuzzi , T. I. Liaudat , S. J. Liu , A. Loureiro , J. Macias-Perez , M. Magliocchetti , E. A. Magnier , C. Mancini , F. Mannucci , R. Maoli , C. J. A. P. Martins , L. Maurin , M. Miluzio , P. Monaco , A. Montoro , C. Moretti , G. Morgante , S. Nadathur , K. Naidoo , A. Navarro-Alsina , S. Nesseris , F. Passalacqua , K. Paterson , L. Patrizii , A. Pisani , D. Potter , M. Radovich , P. -F. Rocci , S. Sacquegna , M. Sahlén , D. B. Sanders , E. Sarpa , A. Schneider , D. Sciotti , E. Sellentin , F. Shankar , L. C. Smith , K. Tanidis , G. Testera , R. Teyssier , S. Tosi , A. Troja , M. Tucci , C. Valieri , A. Venhola , G. Verza , P. Vielzeuf , N. A. Walton , J. R. Weaver , L. Zalesky , J. G. Sorce
The DESI Legacy Imaging Surveys are a combination of three public projects (the Dark Energy Camera Legacy Survey, the Beijing-Arizona Sky Survey, and the Mayall z-band Legacy Survey) that will jointly image approximately 14,000 deg^2 of the…
Instrumentation and Methods for Astrophysics · Physics
2019-04-17
Arjun Dey , David J. Schlegel , Dustin Lang , Robert Blum , Kaylan Burleigh , Xiaohui Fan , Joseph R. Findlay , Doug Finkbeiner , David Herrera , Stephanie Juneau , Martin Landriau , Michael Levi , Ian McGreer , Aaron Meisner , Adam D. Myers , John Moustakas , Peter Nugent , Anna Patej , Edward F. Schlafly , Alistair R. Walker , Francisco Valdes , Benjamin A. Weaver , Christophe Yeche Hu Zou , Xu Zhou , Behzad Abareshi , T. M. C. Abbott , Bela Abolfathi , C. Aguilera , Shadab Alam , Lori Allen , A. Alvarez , James Annis , Behzad Ansarinejad , Marie Aubert , Jacqueline Beechert , Eric F. Bell , Segev Y. BenZvi , Florian Beutler , Richard M. Bielby , Adam S. Bolton , Cesar Briceno Elizabeth J. Buckley-Geer , Karen Butler , Annalisa Calamida , Raymond G. Carlberg , Paul Carter , Ricard Casas , Francisco J. Castander , Yumi Choi , Johan Comparat , Elena Cukanovaite , Timothee Delubac , Kaitlin DeVries , Sharmila Dey , Govinda Dhungana , Mark Dickinson , Zhejie Ding , John B. Donaldson , Yutong Duan , Christopher J. Duckworth , Sarah Eftekharzadeh , Daniel J. Eisenstein , Thomas Etourneau , Parker A. Fagrelius , Jay Farihi , Mike Fitzpatrick , Andreu Font-Ribera , Leah Fulmer , Boris T. Gansicke , Enrique Gaztanaga , Koshy George , David W. Gerdes , Satya Gontcho A Gontcho , Claudio Gorgoni , Gregory Green , Julien Guy , Diane Harmer , M. Hernandez , Klaus Honscheid , Lijuan , Huang , David James , Buell T. Jannuzi , Linhua Jiang , Richard Joyce , Armin Karcher , Sonia Karkar , Robert Kehoe , Jean-Paul Kneib , Andrea Kueter-Young , Ting-Wen Lan , Tod Lauer , Laurent Le Guillou , Auguste Le Van Suu , Jae Hyeon Lee , Michael Lesser , Laurence Perreault Levasseur , Ting S. Li , Justin L. Mann , Bob Marshall , C. E. Martinez-Vazquez , Paul Martini , Helion du Mas des Bourboux , Sean McManus , Tobias Gabriel Meier , Brice Menard , Nigel Metcalfe , Andrea Munoz-Gutierrez , Joan Najita , Kevin Napier , Gautham Narayan , Jeffrey A. Newman , Jundan Nie , Brian Nord , Dara J. Norman , Knut A. G. Olsen , Anthony Paat , Nathalie Palanque-Delabrouille , Xiyan Peng , Claire L. Poppett , Megan R. Poremba , Abhishek Prakash , David Rabinowitz , Anand Raichoor , Mehdi Rezaie , A. N. Robertson , Natalie A. Roe , Ashley J. Ross , Nicholas P. Ross , Gregory Rudnick , Sasha Safonova , Abhijit Saha , F. Javier Sanchez , Elodie Savary , Heidi Schweiker , Adam Scott , Hee-Jong Seo , Huanyuan Shan , David R. Silva , Zachary Slepian , Christian Soto , David Sprayberry , Ryan Staten , Coley M. Stillman , Robert J. Stupak , David L. Summers , Suk Sien Tie , H. Tirado , Mariana Vargas-Magana , A. Katherina Vivas , Risa H. Wechsler , Doug Williams , Jinyi Yang , Qian Yang , Tolga Yapici , Dennis Zaritsky , A. Zenteno , Kai Zhang , Tianmeng Zhang , Rongpu Zhou , Zhimin Zhou
The Dark Energy Survey (DES; operations 2009-2015) will address the nature of dark energy using four independent and complementary techniques: (1) a galaxy cluster survey over 4000 deg2 in collaboration with the South Pole Telescope…
Astrophysics · Physics
2007-05-23
C. Ngeow , J. J. Mohr , T. Alam , W. A. Barkhouse , C. Beldica , D. Cai , G. Daues , R. Plante , J. Annis , H. Lin , D. Tucker , R. C. Smith
In preparation for the Dark Energy Spectroscopic Instrument (DESI), a new top end was installed on the Mayall 4-meter telescope at Kitt Peak National Observatory. The refurbished telescope and the DESI instrument were successfully…
Instrumentation and Methods for Astrophysics · Physics
2021-01-25
Aaron M. Meisner , Behzad Abareshi , Arjun Dey , Connie Rockosi , Richard Joyce , David Sprayberry , Robert Besuner , Klaus Honscheid , David Kirkby , Hui Kong , Martin Landriau , Michael Levi , Ting Li , Bob Marshall , Paul Martini , Ashley Ross , David Brooks , Peter Doel , Yutong Duan , Enrique Gaztanaga , Christophe Magneville , Francisco Prada , Michael Schubnell , Gregory Tarle
Large sets of objects with spectroscopic redshift measurements will be needed for imaging dark energy experiments to achieve their full potential, serving two goals:_training_, i.e., the use of objects with known redshift to develop and…
Cosmology and Nongalactic Astrophysics · Physics
2016-05-25
J. Newman , A. Abate , F. Abdalla , S. Allam , S. Allen , R. Ansari , S. Bailey , W. Barkhouse , T. Beers , M. Blanton , M. Brodwin , J. Brownstein , R. Brunner , M. Carrasco-Kind , J. Cervantes-Cota , E. Chisari , M. Colless , J. Comparat , J. Coupon , E. Cheu , C. Cunha , A. de la Macorra , I. Dell'Antonio , B. Frye , E. Gawiser , N. Gehrels , K. Grady , A. Hagen , P. Hall , A. Hearin , H. Hildebrandt , C. Hirata , S. Ho , K. Honscheid , D. Huterer , Z. Ivezic , J. -P. Kneib , J. Kruk , O. Lahav , R. Mandelbaum , J. Marshall , D. Matthews , B. Ménard , R. Miquel , M. Moniez , W. Moos , J. Moustakas , C. Papovich , J. Peacock , C. Park , J. Rhodes , J-S. Ricol , I. Sadeh , A. Slozar , S. Schmidt , D. Stern , T. Tyson , A. von der Linden , R. Wechsler , W. Wood-Vasey , A. Zentner
The data on spectroscopic galaxy clustering collected by the Dark Energy Spectroscopic Instrument (DESI) will allow the significant detection of subtle features in the galaxy two-point correlation in redshift space, beyond the "standard"…
Cosmology and Nongalactic Astrophysics · Physics
2024-02-19
Camille Bonvin , Francesca Lepori , Sebastian Schulz , Isaac Tutusaus , Julian Adamek , Pablo Fosalba
The observations from the Dark Energy Spectroscopic Instrument (DESI) will significantly increase the numbers of known extremely metal-poor stars by a factor of ~ 10, improving the sample statistics to study the early chemical evolution of…
Solar and Stellar Astrophysics · Physics
2023-10-30
Carlos Allende Prieto , David S. Aguado , Jonay I. González Hernández , Rafael Rebolo , Joan Najita , Christopher J. Manser , Constance Rockosi , Zachary Slepian , Mar Mezcua , Monica Valluri , Rana Ezzeddine , Sergey E. Koposov , Andrew P. Cooper , Arjun Dey , Boris T. Gänsicke , Ting S. Li , Katia Cunha , Siwei Zou , Jessica Nicole Aguilar , Steven Ahlen , David Brooks , Todd Claybaugh , Shaun Cole , Sarah Eftekharzadeh , Kevin Fanning , Jaime Forero-Romero , Satya Gontcho A Gontcho , Klaus Honscheid , Pascale Jablonka , Robert Kehoe , Theodore Kisner , Martin Landriau , Axel de la Macorra , Aaron Meisner , Ramón Miquel , John Moustakas , Jundan Nie , Claire Poppett , Francisco Prada , Mehdi Rezaie , Graziano Rossi , Eusebio Sánchez , Michael Schubnell , Ray Sharples , Malgorzata Siudek , Verne V. Smith , Gregory Tarlé , Fiorenzo Vincenzo , Benjamin Alan Weaver , Zhimin Zhou , Hu Zou
The Dark Energy Survey collaboration will study cosmic acceleration with a 5000 deg2 griZY survey in the southern sky over 525 nights from 2011-2016. The DES data management (DESDM) system will be used to process and archive these data and…
Astrophysics · Physics
2009-11-13
Joseph J. Mohr , Wayne Barkhouse , Cristina Beldica , Emmanuel Bertin , Y. Dora Cai , Luiz da Costa , J. Anthony Darnell , Gregory E. Daues , Michael Jarvis , Michelle Gower , Huan Lin , leandro Martelli , Eric Neilsen , Chow-Choong Ngeow , Ricardo Ogando , Alex Parga , Erin Sheldon , Douglas Tucker , Nikolay Kuropatkin , Chris Stoughton
The existence, properties, and dynamics of the dark sectors of our universe pose fundamental challenges to our current model of physics, and large-scale astronomical surveys may be our only hope to unravel these long-standing mysteries. In…
Cosmology and Nongalactic Astrophysics · Physics
2025-05-09
Robert Besuner , Arjun Dey , Alex Drlica-Wagner , Haruki Ebina , Guillermo Fernandez Moroni , Simone Ferraro , Jaime Forero-Romero , Klaus Honscheid , Pat Jelinsky , Dustin Lang , Michael Levi , Paul Martini , Adam Myers , Nathalie Palanque-Delabrouille , Swayamtrupta Panda , Claire Poppett , Noah Sailer , David Schlegel , Arman Shafieloo , Joseph Silber , Martin White , Timothy Abbott , Lori Allen , Santiago Avila , Roberto Avilés , Stephen Bailey , Abby Bault , Mohamed Bouri , Konstantina Boutsia , Eienne Burtin , Fernando Chierchie , William Coulton , Kyle Dawson , Biprateep Dey , Olivier Doré , Patrick Dunlop , Daniel Eisenstein , Castorina Emanuele , Stephanie Escoffier , Juan Estrada , Parker Fagrelius , Kevin Fanning , Timothy Fanning , Andreu Font-Ribera , Joshua Frieman , Malak Galal , Vera Gluscevic , Satya Gontcho A Gontcho , Daniel Green , Gaston Gutierrez , Julien Guy , Kevan Hashemi , Steve Heathcote , Steve Holland , Jiamin Hou , Dragan Huterer , Blas Irigoyen Gimenez , Mikhail Ivanov , Richard Joyce , Eric Jullo , Stephanie Juneau , Claire Juramy , Armin Karcher , Stephen Kent , David Kirkby , Jean-Paul Kneib , Elisabeth Krause , Alex Krolewski , Ofer Lahav , Agustin Lapi , Alexie Leauthaud , Matthew Lewandowski , Ting Li , Kenneth Lin , Marilena Loverde , Sean MacBride , Christophe Magneville , Jennifer Marshall , Patrick McDonald , Timothy Miller , John Moustakas , Moritz Münchmeyer , Joan Najita , Jeff Newman , Will Percival , Oliver Philcox , Priscila Pires , Anand Raichoor , Brandon Roach , Constance Rockosi , Maxime Rombach , Ashley Ross , Eusebio Sanchez , Luke Schmidt , Michael Schubnell , Rebekah Sebok , Uros Seljak , Eva Silverstein , Zachay Slepian , Chris Stone , Robert Stupak , Gregory Tarlé , Ting Li , Luke Tyas , Mariana Vargas-Magaña , Alistair Walker , Nicholas Wenner , Christophe Yèche , Yuanyuan Zhang , Rongpu Zhou
We present the first systematic spectroscopic observations of extragalactic transients from the Dark Energy Spectroscopic Instrument (DESI), as part of the DESI Transients Survey program. With 5,000 fibers and an ${\sim} 8$ deg$^2$ field of…
High Energy Astrophysical Phenomena · Physics
2026-01-21
Xander J. Hall , Antonella Palmese , Segev BenZvi , John Banovetz , Brendan O'Connor , Lei Hu , Erica Hammerstein , Ariel Amsellem , Jessica Nicole Aguilar , Steven Ahlen , Steven Bailey , Davide Bianchi , David Brooks , Todd Claybaugh , Andrei Cuceu , Kyle Dawson , Axel de la Macorra , John Della Costa , Arjun Dey , Peter Doel , Simone Ferraro , Andreu Font-Ribera , Jaime E. Forero-Romero , Enrique Gaztanaga , Satya Gontcho A Gontcho , Alma Xochitl Gonzalez-Morales , Or Graur , Gaston Gutierrez , Mustapha Ishak , Jorge Jimenez , Dick Joyce , Stephanie Juneau , Anthony Kremin , Ofer Lahav , Claire Lamman , Martin Landriau , Laurent Le Guillou , Alexie Leauthaud , Michael Levi , Marc Manera , Aaron Meisner , Ramon Miquel , John Moustakas , Adam Myers , Seshadri Nadathur , Will Percival , Claire Poppett , Ignasi Perez-Rafols , Francisco Prada , Graziano Rossi , Eusebio Sanchez , Edward Schlafly , David Schlegel , Michael Schubnell , David Sprayberry , Gregory Tarle , Benjamin Alan Weaver , Rongpu Zhou , Hu Zou
As spectroscopic surveys continue to grow in size, the problem of classifying spectra targeted as quasars (QSOs) will need to move beyond its historical reliance on human experts. Instead, automatic classifiers will increasingly become the…
Cosmology and Nongalactic Astrophysics · Physics
2020-12-09
James Farr , Andreu Font-Ribera , Andrew Pontzen
We present the stellar value-added catalogue based on the Dark Energy Spectroscopic Instrument (DESI) Early Data Release. The catalogue contains radial velocity and stellar parameter measurements for $\simeq$ 400,000 unique stars observed…
Astrophysics of Galaxies · Physics
2025-09-10
Sergey E. Koposov , C. Allende-Prieto , A. P. Cooper , T. S. Li , L. Beraldo e Silva , B. Kim , A. Carrillo , A. Dey , C. J. Manser , F. Nikakhtar , A. H. Riley , C. Rockosi , M. Valluri , J. Aguilar , S. Ahlen , S. Bailey , R. Blum , D. Brooks , T. Claybaugh , S. Cole , A. de la Macorra , B. Dey , J. E. Forero-Romero , E. Gaztañaga , J. Guy , A. Kremin , L. Le Guillou , Michael E. Levi , M. Manera , A. Meisner , R. Miquel , J. Moustakas , J. Nie , N. Palanque-Delabrouille , W. J. Percival , M. Rezaie , G. Rossi , E. Sanchez , E. F. Schlafly , M. Schubnell , G. Tarlé , B. A. Weaver , Z. Zhou
The DEIMOS spectrograph has now been installed on the Keck-II telescope and commissioning is nearly complete. The DEEP2 Redshift Survey, which will take approximately 120 nights at the Keck Observatory over a three year period and has been…
Astrophysics · Physics
2010-11-04
Marc Davis , Sandra M. Faber , Jeffrey A. Newman , Andrew C. Phillips , R. S. Ellis , C. C. Steidel , C. Conselice , A. L. Coil , D. P. Finkbeiner , D. C. Koo , P. Guhathakurta , B. Weiner , R. Schiavon , C Willmer , N. Kaiser , G. Luppino , G. Wirth , A. Connolly , P. Eisenhardt , M. Cooper , B. Gerke
The Dark Energy Survey (DES) is a next generation optical survey aimed at measuring the expansion history of the universe using four probes: weak gravitational lensing, galaxy cluster counts, baryon acoustic oscillations, and Type Ia…
Instrumentation and Methods for Astrophysics · Physics
2019-08-13
M. Soares-Santos , J. Annis , M. Bonati , E. Buckley-Geer , H. Cease , D. DePoy , G. Derylo , H. T. Diehl , A. Elliott , J. Estrada , D. Finley , B. Flaugher , J. Frieman , J. Hao , K. Honscheid , I. Karliner , K. Krempetz , K. Kuehn , S. Kuhlmann , K. Kuk , H. Lin , W. Merrit , E. Neilsen , L. Scott , S. Serrano , T. Shaw , K. Schultz , W. Stuermer , A. Sypniewski , J. Thaler , A. Walker , J. Walton , W. Wester , B. Yanny