相关论文
相关论文: Target Selection and Validation of DESI Emission L…
200 篇论文
DESI will precisely constrain cosmic expansion and the growth of structure by collecting $\sim$35 million redshifts across $\sim$80% of cosmic history and one third of the sky to study Baryon Acoustic Oscillations (BAO) and Redshift Space…
宇宙学与河外天体物理 · 物理学
2020-10-23
Anand Raichoor , Daniel J. Eisenstein , Tanveer Karim , Jeffrey A. Newman , John Moustakas , David D. Brooks , Kyle S. Dawson , Arjun Dey , Yutong Duan , Sarah Eftekharzadeh , Enrique Gaztañaga , Robert Kehoe , Martin Landriau , Dustin Lang , Jae H. Lee , Michael E. Levi , Aaron M. Meisner , Adam D. Myers , Nathalie Palanque-Delabrouille , Claire Poppett , Francisco Prada , Ashley J. Ross , David J. Schlegel , Michael Schubnell , Ryan Staten , Gregory Tarlé , Rita Tojeiro , Christophe Yèche , Rongpu Zhou
The Dark Energy Spectroscopic Instrument (DESI) is carrying out a 5-year survey that aims to measure the redshifts of tens of millions of galaxies and quasars, including 8 million luminous red galaxies (LRGs) in the redshift range of…
宇宙学与河外天体物理 · 物理学
2023-01-19
Rongpu Zhou , Biprateep Dey , Jeffrey A. Newman , Daniel J. Eisenstein , K. Dawson , S. Bailey , A. Berti , J. Guy , Ting-Wen Lan , H. Zou , J. Aguilar , S. Ahlen , Shadab Alam , D. Brooks , A. de la Macorra , A. Dey , G. Dhungana , K. Fanning , A. Font-Ribera , S. Gontcho A Gontcho , K. Honscheid , Mustapha Ishak , T. Kisner , A. Kovács , A. Kremin , M. Landriau , Michael E. Levi , C. Magneville , Marc Manera , P. Martini , Aaron M. Meisner , R. Miquel , J. Moustakas , Adam D. Myers , Jundan Nie , N. Palanque-Delabrouille , W. J. Percival , C. Poppett , F. Prada , A. Raichoor , A. J. Ross , E. Schlafly , D. Schlegel , M. Schubnell , Gregory Tarlé , B. A. Weaver , R. H. Wechsler , Christophe Yèche , Zhimin Zhou
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…
星系天体物理 · 物理学
2020-08-12
Tanveer Karim , Jae H. Lee , Daniel J. Eisenstein , Etienne Burtin , John Moustakas , Anand Raichoor , Christophe Yèche
Emission-line galaxies (ELGs) are an important tracer of baryon acoustic oscillations (BAO) and large-scale structure (LSS) at $z > 1$. In this work, we investigate the feasibility of using deep wide-area multi-band imaging (e.g., from the…
星系天体物理 · 物理学
2026-02-25
Yoquelbin Salcedo Hernandez , Jeffrey A. Newman , Brett. H. Andrews , Biprateep Dey , Rongpu. Zhou , Noah Sailer , J. Aguilar , S. Ahlen , D. Bianchi , D. Brooks , R. Canning , F. J. Castander , E. Chaussidon , T. Claybaugh , A. Cuceu , A. de la Macorra , Arjun Dey , P. Doel , S. Ferraro , A. Font-Ribera , J. E. Forero-Romero , E. Gaztañaga , S. Gontcho A Gontcho , G. Gutierrez , H. K. Herrera-Alcantar , R. Joyce , S. Juneau , R. Kehoe , D. Kirkby , T. Kisner , A. Kremin , O. Lahav , C. Lamman , M. Landriau , M. E. Levi , M. Manera , A. Meisner , R. Miquel , J. Moustakas , S. Nadathur , N. Palanque-Delabrouille , W. J. Percival , F. Prada , I. Pérez-Ràfols , A. Raichoor , G. Rossi , E. Sanchez , D. Schlegel , M. Schubnell , H. Seo , J. Silber , D. Sprayberry , G. Tarlé , B. A. Weaver , C. Yèche , H. Zou
The Dark Energy Spectroscopic Instrument (DESI) Survey has obtained a set of spectroscopic measurements of galaxies to validate the final survey design and target selections. To assist in these tasks, we visually inspect (VI) DESI spectra…
宇宙学与河外天体物理 · 物理学
2024-10-10
Ting-Wen Lan , R. Tojeiro , E. Armengaud , J. Xavier Prochaska , T. M. Davis , David M. Alexander , A. Raichoor , Rongpu Zhou , Christophe Yeche , C. Balland , S. BenZvi , A. Berti , R. Canning , A. Carr , H. Chittenden , S. Cole , M. -C. Cousinou , K. Dawson , Biprateep Dey , K. Douglass , A. Edge , S. Escoffier , A. Glanville , S. Gontcho A Gontcho , J. Guy , C. Hahn , C. Howlett , Ho Seong Hwang , L. Jiang , A. Kovacs , M. Mezcua , S. Moore , S. Nadathur , M. Oh , D. Parkinson , A. Rocher , A. J. Ross , V. Ruhlmann-Kleider , C. G. Sabiu , K. Said , C. Saulder , D. Sierra-Porta , B. Weiner , J. Yu , P. Zarrouk , Y. Zhang , H. Zou , S. Ahlen , S. Bailey , D. Brooks , A. P. Cooper , A. de la Macorra , A. Dey , G. Dhungana , P. Doel , S. Eftekharzadeh , K. Fanning , A. Font-Ribera , L. Garrison , E. Gaztanaga , R. Kehoe , T. Kisner , A. Kremin , M. Landriau , L. Le Guillou , Michael E. Levi , C. Magneville , Aaron M. Meisner , R. Miquel , J. Moustakas , Adam D. Myers , Jeffrey A. Newman , J. D. Nie , N. Palanque-Delabrouille , W. J. Percival , C. Poppett , F. Prada , M. Schubnell , Gregory Tarle , B. A. Weaver , K. Zhang , Zhimin Zhou
We describe the algorithm used to select the Emission Line Galaxy (ELG) sample at $z \sim 0.85$ for the extended Baryon Oscillation Spectroscopic Survey of the Sloan Digital Sky Survey IV, using photometric data from the DECam Legacy…
宇宙学与河外天体物理 · 物理学
2017-08-30
A. Raichoor , J. Comparat , T. Delubac , J. -P. Kneib , Ch. Yèche , K. S. Dawson , W. J. Percival , A. Dey , D. Lang , D. J. Schlegel , C. Gorgoni , J. Bautista , J. R. Brownstein , V. Mariappan , H. -J. Seo , J. L. Tinker , A. J. Ross , Y. Wang , G. -B. Zhao , J. Moustakas , N. Palanque-Delabrouille , E. Jullo , J. A. Newmann , F. Prada , G. B. Zhu
Dark Energy Spectroscopic Instrument (DESI) uses more than 2.4 million Emission Line Galaxies (ELGs) for 3D large-scale structure (LSS) analyses in its Data Release 1 (DR1). Such large statistics enable thorough research on systematic…
宇宙学与河外天体物理 · 物理学
2025-04-14
Jiaxi Yu , Ashley J. Ross , Antoine Rocher , Otávio Alves , Arnaud de Mattia , Daniel Forero-Sánchez , Jean-Paul Kneib , Alex Krolewski , TingWen Lan , Michael Rashkovetskyi , Jessica Nicole Aguilar , Steven Ahlen , Stephen Bailey , David Brooks , Edmond Chaussidon , Todd Claybaugh , Axel de la Macorra , Arjun Dey , Biprateep Dey , Peter Doel , Kevin Fanning , Jaime E. Forero-Romero , Enrique Gaztañaga , Satya Gontcho A Gontcho , Klaus Honscheid , Cullan Howlett , Stephanie Juneau , Theodore Kisner , Anthony Kremin , Andrew Lambert , Martin Landriau , Laurent Le Guillou , Michael E. Levi , Marc Manera , Paul Martini , Aaron Meisner , Ramon Miquel , John Moustakas , Eva-Maria Mueller , Andrea Muñoz-Gutiérrez , Adam D. Myers , Jundan Nie , Gustavo Niz , Nathalie Palanque-Delabrouille , Will J. Percival , Claire Poppett , Francisco Prada , Mehdi Rezaie , Graziano Rossi , Eusebio Sanchez , Edward F. Schlafly , David Schlegel , Michael Schubnell , Hee-Jong Seo , David Sprayberry , Gregory Tarlé , Benjamin A. Weaver , Pauline Zarrouk , Cheng Zhao , Rongpu Zhou , Hu Zou
The DESI survey will observe more than 8 million candidate luminous red galaxies (LRGs) in the redshift range $0.3<z<1.0$. Here we present a preliminary version of the DESI LRG target selection developed using Legacy Surveys Data Release 8…
宇宙学与河外天体物理 · 物理学
2020-10-23
Rongpu Zhou , Jeffrey A. Newman , Kyle S. Dawson , Daniel J. Eisenstein , David D. Brooks , Arjun Dey , Biprateep Dey , Yutong Duan , Sarah Eftekharzadeh , Enrique Gaztañaga , Robert Kehoe , Martin Landriau , Michael E. Levi , Timothy C. Licquia , Aaron M. Meisner , John Moustakas , Adam D. Myers , Nathalie Palanque-Delabrouille , Claire Poppett , Francisco Prada , Anand Raichoor , David J. Schlegel , Michael Schubnell , Ryan Staten , Gregory Tarlé , Christophe Yèche
The Dark Energy Spectroscopic Instrument (DESI) was designed to conduct a survey covering 14,000 deg$^2$ over five years to constrain the cosmic expansion history through precise measurements of Baryon Acoustic Oscillations (BAO). The…
宇宙学与河外天体物理 · 物理学
2024-01-17
DESI Collaboration , A. G. Adame , J. Aguilar , S. Ahlen , S. Alam , G. Aldering , D. M. Alexander , R. Alfarsy , C. Allende Prieto , M. Alvarez , O. Alves , A. Anand , F. Andrade-Oliveira , E. Armengaud , J. Asorey , S. Avila , A. Aviles , S. Bailey , A. Balaguera-Antolínez , O. Ballester , C. Baltay , A. Bault , J. Bautista , J. Behera , S. F. Beltran , S. BenZvi , L. Beraldo e Silva , J. R. Bermejo-Climent , A. Berti , R. Besuner , F. Beutler , D. Bianchi , C. Blake , R. Blum , A. S. Bolton , S. Brieden , A. Brodzeller , D. Brooks , Z. Brown , E. Buckley-Geer , E. Burtin , L. Cabayol-Garcia , Z. Cai , R. Canning , L. Cardiel-Sas , A. Carnero Rosell , F. J. Castander , J. L. Cervantes-Cota , S. Chabanier , E. Chaussidon , J. Chaves-Montero , S. Chen , C. Chuang , T. Claybaugh , S. Cole , A. P. Cooper , A. Cuceu , T. M. Davis , K. Dawson , R. de Belsunce , R. de la Cruz , A. de la Macorra , A. de Mattia , R. Demina , U. Demirbozan , J. DeRose , A. Dey , B. Dey , G. Dhungana , J. Ding , Z. Ding , P. Doel , R. Doshi , K. Douglass , A. Edge , S. Eftekharzadeh , D. J. Eisenstein , A. Elliott , S. Escoffier , P. Fagrelius , X. Fan , K. Fanning , V. A. Fawcett , S. Ferraro , J. Ereza , B. Flaugher , A. Font-Ribera , D. Forero-Sánchez , J. E. Forero-Romero , C. S. Frenk , B. T. Gänsicke , L. Á. García , J. García-Bellido , C. Garcia-Quintero , L. H. Garrison , H. Gil-Marín , J. Golden-Marx , S. Gontcho A Gontcho , A. X. Gonzalez-Morales , V. Gonzalez-Perez , C. Gordon , O. Graur , D. Green , D. Gruen , J. Guy , B. Hadzhiyska , C. Hahn , J. J. Han , M. M. S Hanif , H. K. Herrera-Alcantar , K. Honscheid , J. Hou , C. Howlett , D. Huterer , V. Iršič , M. Ishak , A. Jana , L. Jiang , J. Jimenez , Y. P. Jing , S. Joudaki , R. Joyce , E. Jullo , S. Juneau , N. Kizhuprakkat , N. G. Karaçaylı , T. Karim , R. Kehoe , S. Kent , A. Khederlarian , S. Kim , D. Kirkby , T. Kisner , F. Kitaura , J. Kneib , S. E. Koposov , A. Kovács , A. Kremin , A. Krolewski , B. L'Huillier , O. Lahav , A. Lambert , C. Lamman , T. -W. Lan , M. Landriau , D. Lang , J. U. Lange , J. Lasker , L. Le Guillou , A. Leauthaud , M. E. Levi , T. S. Li , E. Linder , A. Lyons , C. Magneville , M. Manera , C. J. Manser , D. Margala , P. Martini , P. McDonald , G. E. Medina , L. Medina-Varela , A. Meisner , J. Mena-Fernández , J. Meneses-Rizo , M. Mezcua , R. Miquel , P. Montero-Camacho , J. Moon , S. Moore , J. Moustakas , E. Mueller , J. Mundet , A. Muñoz-Gutiérrez , A. D. Myers , S. Nadathur , L. Napolitano , R. Neveux , J. A. Newman , J. Nie , G. Niz , P. Norberg , H. E. Noriega , E. Paillas , N. Palanque-Delabrouille , A. Palmese , P. Zhiwei , D. Parkinson , S. Penmetsa , W. J. Percival , A. Pérez-Fernández , I. Pérez-Ràfols , M. Pieri , C. Poppett , A. Porredon , F. Prada , R. Pucha , A. Raichoor , C. Ramírez-Pérez , S. Ramirez-Solano , M. Rashkovetskyi , C. Ravoux , A. Rocher , C. Rockosi , A. J. Ross , G. Rossi , R. Ruggeri , V. Ruhlmann-Kleider , C. G. Sabiu , K. Said , A. Saintonge , L. Samushia , E. Sanchez , C. Saulder , E. Schaan , E. F. Schlafly , D. Schlegel , D. Scholte , M. Schubnell , H. Seo , A. Shafieloo , R. Sharples , W. Sheu , J. Silber , F. Sinigaglia , M. Siudek , Z. Slepian , A. Smith , D. Sprayberry , L. Stephey , J. Suárez-Pérez , Z. Sun , T. Tan , G. Tarlé , R. Tojeiro , L. A. Ureña-López , R. Vaisakh , D. Valcin , F. Valdes , M. Valluri , M. Vargas-Magaña , A. Variu , L. Verde , M. Walther , B. Wang , M. S. Wang , B. A. Weaver , N. Weaverdyck , R. H. Wechsler , M. White , Y. Xie , J. Yang , C. Yèche , J. Yu , S. Yuan , H. Zhang , Z. Zhang , C. Zhao , Z. Zheng , R. Zhou , Z. Zhou , H. Zou , S. Zou , Y. Zu
The Dark Energy Spectroscopic Instrument (DESI), a multiplexed fiber-fed spectrograph, is a Stage-IV ground-based dark energy experiment aiming to measure redshifts for 29 million Emission-Line Galaxies (ELG), 4 million Luminous Red…
The Dark Energy Spectroscopic Instrument (DESI) survey will measure large-scale structures using quasars as direct tracers of dark matter in the redshift range 0.9<z<2.1 and using Ly-alpha forests in quasar spectra at z>2.1. We present…
宇宙学与河外天体物理 · 物理学
2023-03-08
Edmond Chaussidon , Christophe Yèche , Nathalie Palanque-Delabrouille , David M. Alexander , Jinyi Yang , Steven Ahlen , Stephen. Bailey , David Brooks , Zheng Cai , Solène Chabanier , Tamara M. Davis , Kyle Dawson , Axel de la Macorra , Arjun Dey , Biprateep Dey , Sarah Eftekharzadeh , Daniel J. Eisenstein , Kevin Fanning , Andreu Font-Ribera , Enrique Gaztañaga , Satya Gontcho A Gontcho , Alma X. Gonzalez-Morales , Julien Guy , Hiram K. Herrera-Alcantar , Klaus Honscheid , Mustapha Ishak , Linhua Jiang , Stephanie Juneau , Robert Kehoe , Theodore Kisner , Andras Kovács , Anthony Kremin , Ting-Wen Lan , Martin Landriau , Laurent Le Guillou , Michael E. Levi , Christophe Magneville , Paul Martini , Aaron M. Meisner , John Moustakas , Andrea Muñoz-Gutiérrez , Adam D. Myers , Jeffrey A. Newman , Jundan Nie , Will J. Percival , Claire Poppett , Francisco Prada , Anand Raichoor , Corentin Ravoux , Ashley J. Ross , Edward Schlafly , David Schlegel , Ting Tan , Gregory Tarlé , Rongpu Zhou , Zhimin Zhou , Hu Zou
Emission Line Galaxies (ELGs) are one of the main tracers that the Dark Energy Spectroscopic Instrument (DESI) uses to probe the universe. However, they are afflicted by strong spurious correlations between target density and observing…
宇宙学与河外天体物理 · 物理学
2025-02-03
A. J. Rosado-Marín , A. J. Ross , H. Seo , M. Rezaie , H. Kong , A. de Mattia , R. Zhou , J. Aguilar , S. Ahlen , O. Alves , D. Bianchi , D. Brooks , E. Burtin , E. Chaussidon , X. Chen , T. Claybaugh , K. S. Dawson , A. de la Macorra , Arjun Dey , P. Doel , K. Fanning , S. Ferraro , J. E. Forero-Romero , E. Gaztañaga , S. Gontcho A Gontcho , G. Gutierrez , C. Hahn , M. M. S Hanif , C. Howlett , S. Juneau , R. Kehoe , T. Kisner , A. Kremin , A. Krolewski , M. Landriau , L. Le Guillou , M. E. Levi , A. Meisner , J. Mena-Fernández , R. Miquel , J. Moustakas , J. A. Newman , E. Paillas , N. Palanque-Delabrouille , W. J. Percival , F. Prada , I. Pérez-Ràfols , A. Raichoor , G. Rossi , R. Ruggeri , E. Sanchez , E. F. Schlafly , D. Schlegel , M. Schubnell , D. Sprayberry , M. Vargas-Magaña , B. A. Weaver , J. Yu , H. Zou
Spectroscopic surveys such as the Dark Energy Spectroscopic Instrument (DESI) and Euclid are mapping the spatial distribution of millions of galaxies, with Emission Line Galaxies (ELGs) serving as the dominant tracer in the redshift range…
宇宙学与河外天体物理 · 物理学
2026-04-24
Sara Ortega-Martinez , Raul E. Angulo , Sergio Contreras , Jonás Chaves-Montero , Matteo Zennaro , Sownak Bose , Boryana Hadzhiyska , César Hernández-Aguayo , Lars Hernquist , Volker Springel
The Dark Energy Spectroscopic Instrument (DESI) is a massively multiplexed fiber-fed spectrograph that will make the next major advance in dark energy in the timeframe 2018-2022. On the Mayall telescope, DESI will obtain spectra and…
宇宙学与河外天体物理 · 物理学
2013-08-06
Michael Levi , Chris Bebek , Timothy Beers , Robert Blum , Robert Cahn , Daniel Eisenstein , Brenna Flaugher , Klaus Honscheid , Richard Kron , Ofer Lahav , Patrick McDonald , Natalie Roe , David Schlegel , representing the DESI collaboration
DESI (Dark Energy Spectroscopic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations (BAO) and the growth of structure through redshift-space distortions with a wide-area galaxy and…
天体物理仪器与方法 · 物理学
2016-12-14
DESI Collaboration , Amir Aghamousa , Jessica Aguilar , Steve Ahlen , Shadab Alam , Lori E. Allen , Carlos Allende Prieto , James Annis , Stephen Bailey , Christophe Balland , Otger Ballester , Charles Baltay , Lucas Beaufore , Chris Bebek , Timothy C. Beers , Eric F. Bell , José Luis Bernal , Robert Besuner , Florian Beutler , Chris Blake , Hannes Bleuler , Michael Blomqvist , Robert Blum , Adam S. Bolton , Cesar Briceno , David Brooks , Joel R. Brownstein , Elizabeth Buckley-Geer , Angela Burden , Etienne Burtin , Nicolas G. Busca , Robert N. Cahn , Yan-Chuan Cai , Laia Cardiel-Sas , Raymond G. Carlberg , Pierre-Henri Carton , Ricard Casas , Francisco J. Castander , Jorge L. Cervantes-Cota , Todd M. Claybaugh , Madeline Close , Carl T. Coker , Shaun Cole , Johan Comparat , Andrew P. Cooper , M. -C. Cousinou , Martin Crocce , Jean-Gabriel Cuby , Daniel P. Cunningham , Tamara M. Davis , Kyle S. Dawson , Axel de la Macorra , Juan De Vicente , Timothée Delubac , Mark Derwent , Arjun Dey , Govinda Dhungana , Zhejie Ding , Peter Doel , Yutong T. Duan , Anne Ealet , Jerry Edelstein , Sarah Eftekharzadeh , Daniel J. Eisenstein , Ann Elliott , Stéphanie Escoffier , Matthew Evatt , Parker Fagrelius , Xiaohui Fan , Kevin Fanning , Arya Farahi , Jay Farihi , Ginevra Favole , Yu Feng , Enrique Fernandez , Joseph R. Findlay , Douglas P. Finkbeiner , Michael J. Fitzpatrick , Brenna Flaugher , Samuel Flender , Andreu Font-Ribera , Jaime E. Forero-Romero , Pablo Fosalba , Carlos S. Frenk , Michele Fumagalli , Boris T. Gaensicke , Giuseppe Gallo , Juan Garcia-Bellido , Enrique Gaztanaga , Nicola Pietro Gentile Fusillo , Terry Gerard , Irena Gershkovich , Tommaso Giannantonio , Denis Gillet , Guillermo Gonzalez-de-Rivera , Violeta Gonzalez-Perez , Shelby Gott , Or Graur , Gaston Gutierrez , Julien Guy , Salman Habib , Henry Heetderks , Ian Heetderks , Katrin Heitmann , Wojciech A. Hellwing , David A. Herrera , Shirley Ho , Stephen Holland , Klaus Honscheid , Eric Huff , Timothy A. Hutchinson , Dragan Huterer , Ho Seong Hwang , Joseph Maria Illa Laguna , Yuzo Ishikawa , Dianna Jacobs , Niall Jeffrey , Patrick Jelinsky , Elise Jennings , Linhua Jiang , Jorge Jimenez , Jennifer Johnson , Richard Joyce , Eric Jullo , Stéphanie Juneau , Sami Kama , Armin Karcher , Sonia Karkar , Robert Kehoe , Noble Kennamer , Stephen Kent , Martin Kilbinger , Alex G. Kim , David Kirkby , Theodore Kisner , Ellie Kitanidis , Jean-Paul Kneib , Sergey Koposov , Eve Kovacs , Kazuya Koyama , Anthony Kremin , Richard Kron , Luzius Kronig , Andrea Kueter-Young , Cedric G. Lacey , Robin Lafever , Ofer Lahav , Andrew Lambert , Michael Lampton , Martin Landriau , Dustin Lang , Tod R. Lauer , Jean-Marc Le Goff , Laurent Le Guillou , Auguste Le Van Suu , Jae Hyeon Lee , Su-Jeong Lee , Daniela Leitner , Michael Lesser , Michael E. Levi , Benjamin L'Huillier , Baojiu Li , Ming Liang , Huan Lin , Eric Linder , Sarah R. Loebman , Zarija Lukić , Jun Ma , Niall MacCrann , Christophe Magneville , Laleh Makarem , Marc Manera , Christopher J. Manser , Robert Marshall , Paul Martini , Richard Massey , Thomas Matheson , Jeremy McCauley , Patrick McDonald , Ian D. McGreer , Aaron Meisner , Nigel Metcalfe , Timothy N. Miller , Ramon Miquel , John Moustakas , Adam Myers , Milind Naik , Jeffrey A. Newman , Robert C. Nichol , Andrina Nicola , Luiz Nicolati da Costa , Jundan Nie , Gustavo Niz , Peder Norberg , Brian Nord , Dara Norman , Peter Nugent , Thomas O'Brien , Minji Oh , Knut A. G. Olsen , Cristobal Padilla , Hamsa Padmanabhan , Nikhil Padmanabhan , Nathalie Palanque-Delabrouille , Antonella Palmese , Daniel Pappalardo , Isabelle Pâris , Changbom Park , Anna Patej , John A. Peacock , Hiranya V. Peiris , Xiyan Peng , Will J. Percival , Sandrine Perruchot , Matthew M. Pieri , Richard Pogge , Jennifer E. Pollack , Claire Poppett , Francisco Prada , Abhishek Prakash , Ronald G. Probst , David Rabinowitz , Anand Raichoor , Chang Hee Ree , Alexandre Refregier , Xavier Regal , Beth Reid , Kevin Reil , Mehdi Rezaie , Constance M. Rockosi , Natalie Roe , Samuel Ronayette , Aaron Roodman , Ashley J. Ross , Nicholas P. Ross , Graziano Rossi , Eduardo Rozo , Vanina Ruhlmann-Kleider , Eli S. Rykoff , Cristiano Sabiu , Lado Samushia , Eusebio Sanchez , Javier Sanchez , David J. Schlegel , Michael Schneider , Michael Schubnell , Aurélia Secroun , Uros Seljak , Hee-Jong Seo , Santiago Serrano , Arman Shafieloo , Huanyuan Shan , Ray Sharples , Michael J. Sholl , William V. Shourt , Joseph H. Silber , David R. Silva , Martin M. Sirk , Anze Slosar , Alex Smith , George F. Smoot , Debopam Som , Yong-Seon Song , David Sprayberry , Ryan Staten , Andy Stefanik , Gregory Tarle , Suk Sien Tie , Jeremy L. Tinker , Rita Tojeiro , Francisco Valdes , Octavio Valenzuela , Monica Valluri , Mariana Vargas-Magana , Licia Verde , Alistair R. Walker , Jiali Wang , Yuting Wang , Benjamin A. Weaver , Curtis Weaverdyck , Risa H. Wechsler , David H. Weinberg , Martin White , Qian Yang , Christophe Yeche , Tianmeng Zhang , Gong-Bo Zhao , Yi Zheng , Xu Zhou , Zhimin Zhou , Yaling Zhu , Hu Zou , Ying Zu
In 2021 May, the Dark Energy Spectroscopic Instrument (DESI) began a 5 yr survey of approximately 50 million total extragalactic and Galactic targets. The primary DESI dark-time targets are emission line galaxies (ELGs), luminous red…
天体物理仪器与方法 · 物理学
2023-01-18
Adam D. Myers , John Moustakas , Stephen Bailey , Benjamin A. Weaver , Andrew P. Cooper , Jaime E. Forero-Romero , Bela Abolfathi , David M. Alexander , David Brooks , Edmond Chaussidon , Chia-Hsun Chuang , Kyle Dawson , Arjun Dey , Biprateep Dey , Govinda Dhungana , Peter Doel , Kevin Fanning , Enrique Gaztañaga , Satya Gontcho A Gontcho , Alma X. Gonzalez-Morales , ChangHoon Hahn , Hiram K. Herrera-Alcantar , Klaus Honscheid , Mustapha Ishak , Tanveer Karim , David Kirkby , Theodore Kisner , Sergey E. Koposov , Anthony Kremin , Ting-Wen Lan , Martin Landriau , Dustin Lang , Michael E. Levi , Christophe Magneville , Lucas Napolitano , Paul Martini , Aaron Meisner , Jeffrey A. Newman , Nathalie Palanque-Delabrouille , Will Percival , Claire Poppett , Francisco Prada , Anand Raichoor , Ashley J. Ross , Edward F. Schlafly , David Schlegel , Michael Schubnell , Ting Tan , Gregory Tarle , Michael J. Wilson , Christophe Yèche , Rongpu Zhou , Zhimin Zhou , Hu Zou
The Dark Energy Spectroscopic Instrument (DESI) will execute a nearly magnitude-limited survey of low redshift galaxies ($0.05 \leq z \leq 0.4$, median $z \approx 0.2$). Clustering analyses of this Bright Galaxy Survey (BGS) will yield the…
星系天体物理 · 物理学
2020-10-23
Omar Ruiz-Macias , Pauline Zarrouk , Shaun Cole , Peder Norberg , Carlton Baugh , David Brooks , Arjun Dey , Yutong Duan , Sarah Eftekharzadeh , Daniel J. Eisenstein , Jaime E. Forero-Romero , Enrique Gaztañaga , ChangHoon Hahn , Robert Kehoe , Martin Landriau , Dustin Lang , Michael E. Levi , John Lucey , Aaron M. Meisner , John Moustakas , Adam D. Myers , Nathalie Palanque-Delabrouille , Claire Poppett , Francisco Prada , Anand Raichoor , David J. Schlegel , Michael Schubnell , Gregory Tarlé , David H. Weinberg , M. J. Wilson , Christophe Yèche
We measure the projected two-point correlation functions of emission-line galaxies (ELGs) from the Dark Energy Spectroscopic Instrument (DESI) One-Percent Survey and model their dependence on stellar mass and [OII] luminosity. We select…
星系天体物理 · 物理学
2025-10-10
T. Hagen , K. S. Dawson , Z. Zheng , J. Aguilar , S. Ahlen , S. BenZvi , D. Bianchi , D. Brooks , F. J. Castander , T. Claybaugh , A. Cuceu , A. de la Macorra , P. Doel , S. Ferraro , A. Font-Ribera , J. E. Forero-Romero , E. Gaztanaga , S. Gontcho A Gontcho , V. Gonzalez-Perez , G. Gutierrez , C. Hahn , K. Honscheid , M. Ishak , S. Juneau , R. Kehoe , T. Kisner , A. Kremin , C. Lamman , M. Landriau , L. Le Guillou , A. Leauthaud , M. E. Levi , M. Manera , A. Meisner , R. Miquel , J. Moustakas , S. Nadathur , N. Palanque-Delabrouille , F. Prada , I. Perez-Rafols , A. J. Ross , G. Rossi , S. Saito , E. Sanchez , D. Schlegel , M. Schubnell , J. Silber , D. Sprayberry , G. Tarle , B. A. Weaver , R. Zhou , H. Zou
Photometric redshift estimation for emission line galaxies of DESI Legacy Imaging Surveys by CNN-MLP
Emission Line Galaxies (ELGs) are crucial for cosmological studies, particularly in understanding the large-scale structure of the Universe and the role of dark energy. ELGs form an essential component of the target catalogue for the Dark…
天体物理仪器与方法 · 物理学
2025-06-02
Shirui Wei , Changhua Li , Yanxia Zhang , Chenzhou Cui , Chao Tang , Jingyi Zhang , Yongheng Zhao , Xuebing Wu , Yihan Tao , Dongwei Fan , Shanshan Li , Yunfei Xu , Maoyuan Huang , Xingyu Yang , Zihan Kang , Jinghang Shi
Over several dedicated programs that include targets beyond the main cosmological samples, the Dark Energy Spectroscopic Instrument (DESI) collected spectra for 304,970 unique objects in two fields centered on the COSMOS and XMM-LSS fields.…
宇宙学与河外天体物理 · 物理学
2026-01-21
J. Ratajczak , K. S. Dawson , N. Weaverdyck , J. Aguilar , S. Ahlen , E. Armengaud , S. Bailey , D. Bianchi , D. Blanco , A. Brodzeller , D. Brooks , F. J. Castander , T. Claybaugh , A. Cuceu , A. de la Macorra , Arjun Dey , Biprateep Dey , P. Doel , A. Font-Ribera , J. E. Forero-Romero , E. Gaztañaga , S. Gontcho A Gontcho , G. Gutierrez , J. Guy , T. Hagen , H. K. Herrera-Alcantar , K. Honscheid , D. Huterer , M. Ishak , J. Jimenez , R. Joyce , S. Juneau , R. Kehoe , D. Kirkby , T. Kisner , S. E. Koposov , A. Kremin , O. Lahav , A. Lambert , C. Lamman , M. Landriau , L. Le Guillou , A. Leauthaud , J. Lee , M. E. Levi , Q. Li , I. Longhurst , Y. Luo , M. Manera , P. Martini , J. McCullough , A. Meisner , R. Miquel , J. Moustakas , S. Nadathur , J. A. Newman , N. Palanque-Delabrouille , W. J. Percival , C. Poppett , F. Prada , I. Pérez-Ràfols , A. Raichoor , C. Ravoux , G. Rossi , Y. Salcedo Hernandez , E. Sanchez , C. Saulder , D. Schlegel , M. Schubnell , H. Seo , D. Sprayberry , G. Tarlé , B. A. Weaver , R. H. Wechsler , M. White , R. Zhou , H. Zou