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The Dark Energy Spectroscopic Instrument (DESI) is a stage IV ground-based dark energy experiment planned to begin operations in 2020. In this article, we provided a short review of DESI presented during the conference {\it Recontres de…
天体物理仪器与方法 · 物理学
2019-01-08
Mariana Vargas-Magana , David D. Brooks , Michael M. Levi , Gregory G. Tarle
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
Joint studies of imaging and spectroscopic samples, informed by theory and simulations, offer the potential for comprehensive tests of the cosmological model over redshifts z<1.5. Spectroscopic galaxy samples at these redshifts can be…
宇宙学与河外天体物理 · 物理学
2022-03-15
Kyle Dawson , Andrew Hearin , Katrin Heitmann , Mustapha Ishak , Johannes Ulf Lange , Martin White , Rongpu Zhou
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
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…
宇宙学与河外天体物理 · 物理学
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
Massively parallel multi-object spectrographs are on the leading edge of cosmology instrumentation. The highly successful Dark Energy Spectroscopic Instrument (DESI) which begun survey operations in May 2021, for example, has 5,000…
天体物理仪器与方法 · 物理学
2022-12-16
Joseph H. Silber , David J. Schlegel , Ricardo Araujo , Charles Baltay , Robert W. Besuner , Emily Farr , Julien Guy , Jean-Paul Kneib , Claire Poppett , Travis A. Mandeville , Michael Schubnell , Markus Thurneysen , Sarah Tuttle
The Dark Energy Spectroscopic Instrument (DESI) survey is a spectroscopic survey of tens of millions of galaxies at $0 < z < 3.5$ covering 14,000 square degrees of the sky. In its first 1.1 years of survey operations, it has observed more…
宇宙学与河外天体物理 · 物理学
2024-02-16
E. F. Schlafly , D. Kirkby , D. J. Schlegel , A. D. Myers , A. Raichoor , K. Dawson , J. Aguilar , C. Allende Prieto , S. Bailey , S. BenZvi , J. Bermejo-Climent , D. Brooks , A. de la Macorra , Arjun Dey , P. Doel , K. Fanning , A. Font-Ribera , J. E. Forero-Romero , J. García-Bellido , S. Gontcho A Gontcho , J. Guy , C. Hahn , K. Honscheid , M. Ishak , S. Juneau , R. Kehoe , T. Kisner , A. Kremin , M. Landriau , D. A. Lang , J. Lasker , M. E. Levi , C. Magneville , C. J. Manser , P. Martini , A. M. Meisner , R. Miquel , J. Moustakas , J. A. Newman , Jundan Nie , N. Palanque-Delabrouille , W. J. Percival , C. Poppett , C. Rockosi , A. J. Ross , G. Rossi , G. Tarlé , B. A. Weaver , C. Yèche , R. Zhou
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
DESI (Dark Energy Spectropic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations and the growth of structure through redshift-space distortions with a wide-area galaxy and quasar…
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
The Dark Energy Spectroscopic Instrument (DESI) has embarked on an ambitious five-year survey to explore the nature of dark energy with spectroscopy of 40 million galaxies and quasars. DESI will determine precise redshifts and employ the…
天体物理仪器与方法 · 物理学
2023-03-15
B. Abareshi , J. Aguilar , S. Ahlen , Shadab Alam , David M. Alexander , R. Alfarsy , L. Allen , C. Allende Prieto , O. Alves , J. Ameel , E. Armengaud , J. Asorey , Alejandro Aviles , S. Bailey , A. Balaguera-Antolínez , O. Ballester , C. Baltay , A. Bault , S. F. Beltran , B. Benavides , S. BenZvi , A. Berti , R. Besuner , Florian Beutler , D. Bianchi , C. Blake , P. Blanc , R. Blum , A. Bolton , S. Bose , D. Bramall , S. Brieden , A. Brodzeller , D. Brooks , C. Brownewell , E. Buckley-Geer , R. N. Cahn , Z. Cai , R. Canning , A. Carnero Rosell , P. Carton , R. Casas , F. J. Castander , J. L. Cervantes-Cota , S. Chabanier , E. Chaussidon , C. Chuang , C. Circosta , S. Cole , A. P. Cooper , L. da Costa , M. -C. Cousinou , A. Cuceu , T. M. Davis , K. Dawson , R. de la Cruz-Noriega , A. de la Macorra , A. de Mattia , J. Della Costa , P. Demmer , M. Derwent , A. Dey , B. Dey , G. Dhungana , Z. Ding , C. Dobson , P. Doel , J. Donald-McCann , J. Donaldson , K. Douglass , Y. Duan , P. Dunlop , J. Edelstein , S. Eftekharzadeh , D. J. Eisenstein , M. Enriquez-Vargas , S. Escoffier , M. Evatt , P. Fagrelius , X. Fan , K. Fanning , V. A. Fawcett , S. Ferraro , J. Ereza , B. Flaugher , A. Font-Ribera , J. E. Forero-Romero , C. S. Frenk , S. Fromenteau , B. T. Gänsicke , C. Garcia-Quintero , L. Garrison , E. Gaztañaga , F. Gerardi , H. Gil-Marín , S. Gontcho A Gontcho , Alma X. Gonzalez-Morales , G. Gonzalez-de-Rivera , V. Gonzalez-Perez , C. Gordon , O. Graur , D. Green , C. Grove , D. Gruen , G. Gutierrez , J. Guy , C. Hahn , S. Harris , D. Herrera , Hiram K. Herrera-Alcantar , K. Honscheid , C. Howlett , D. Huterer , V. Iršič , M. Ishak , P. Jelinsky , L. Jiang , J. Jimenez , Y. P. Jing , R. Joyce , E. Jullo , S. Juneau , N. G. Karaçaylı , M. Karamanis , A. Karcher , T. Karim , R. Kehoe , S. Kent , D. Kirkby , T. Kisner , F. Kitaura , S. E. Koposov , A. Kovács , A. Kremin , Alex Krolewski , B. L'Huillier , O. Lahav , A. Lambert , C. Lamman , Ting-Wen Lan , M. Landriau , S. Lane , D. Lang , J. U. Lange , J. Lasker , L. Le Guillou , A. Leauthaud , A. Le Van Suu , Michael E. Levi , T. S. Li , C. Magneville , M. Manera , Christopher J. Manser , B. Marshall , W. McCollam , P. McDonald , Aaron M. Meisner , J. Mena-Fernández M. Mezcua , T. Miller , R. Miquel , P. Montero-Camacho , J. Moon , J. Paul Martini , J. Meneses-Rizo , J. Moustakas , E. Mueller , Andrea Muñoz-Gutiérrez , Adam D. Myers , S. Nadathur , J. Najita , L. Napolitano , E. Neilsen , Jeffrey A. Newman , J. D. Nie , Y. Ning , G. Niz , P. Norberg , Hernán E. Noriega , T. O'Brien , A. Obuljen , N. Palanque-Delabrouille , A. Palmese , P. Zhiwei , D. Pappalardo , X. Peng , W. J. Percival , S. Perruchot , R. Pogge , C. Poppett , A. Porredon , F. Prada , J. Prochaska , R. Pucha , A. Pérez-Fernández , I. Pérez-Ráfols , D. Rabinowitz , A. Raichoor , S. Ramirez-Solano , César Ramírez-Pérez , C. Ravoux , K. Reil , M. Rezaie , A. Rocher , C. Rockosi , N. A. Roe , A. Roodman , A. J. Ross , G. Rossi , R. Ruggeri , V. Ruhlmann-Kleider , C. G. Sabiu , S. Safonova , K. Said , A. Saintonge , Javier Salas Catonga , L. Samushia , E. Sanchez , C. Saulder , E. Schaan , E. Schlafly , D. Schlegel , J. Schmoll , D. Scholte , M. Schubnell , A. Secroun , H. Seo , S. Serrano , Ray M. Sharples , Michael J. Sholl , Joseph Harry Silber , D. R. Silva , M. Sirk , M. Siudek , A. Smith , D. Sprayberry , R. Staten , B. Stupak , T. Tan , Gregory Tarlé , Suk Sien Tie , R. Tojeiro , L. A. Ureña-López , F. Valdes , O. Valenzuela , M. Valluri , M. Vargas-Magaña , L. Verde , M. Walther , B. Wang , M. S. Wang , B. A. Weaver , C. Weaverdyck , R. Wechsler , Michael J. Wilson , J. Yang , Y. Yu , S. Yuan , Christophe Yèche , H. Zhang , K. Zhang , Cheng Zhao , Rongpu Zhou , Zhimin Zhou , H. Zou , J. Zou , S. Zou , Y. Zu
Cosmological observations in the new millennium have dramatically increased our understanding of the Universe, but several fundamental questions remain unanswered. This topical group report describes the best opportunities to address these…
A new generation of powerful dark energy experiments will open new vistas for cosmology in the next decade. However, these projects cannot reach their utmost potential without data from other telescopes. This white paper focuses in…
宇宙学与河外天体物理 · 物理学
2022-04-06
Jonathan A. Blazek , Doug Clowe , Thomas E. Collett , Ian P. Dell'Antonio , Mark Dickinson , Lluís Galbany , Eric Gawiser , Katrin Heitmann , Renée Hložek , Mustapha Ishak , Saurabh W. Jha , Alex G. Kim , C. Danielle Leonard , Anja von der Linden , Michelle Lochner , Rachel Mandelbaum , Peter Melchior , Joel Meyers , Jeffrey A. Newman , Peter Nugent , Saul Perlmutter , Daniel J. Perrefort , Javier Sánchez , Samuel J. Schmidt , Sukhdeep Singh , Mark Sullivan , Aprajita Verma , Rongpu Zhou
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
The current generation of large galaxy surveys will test the cosmological model by combining multiple types of observational probes. Realising the statistical promise of these new datasets requires rigorous attention to all aspects of…
宇宙学与河外天体物理 · 物理学
2025-03-11
C. Blake , C. Garcia-Quintero , S. Ahlen , D. Bianchi , D. Brooks , T. Claybaugh , A. de la Macorra , J. DeRose , A. Dey , P. Doel , N. Emas , S. Ferraro , J. E. Forero-Romero , G. Gutierrez , S. Heydenreich , K. Honscheid , C. Howlett , M. Ishak , S. Joudaki , E. Jullo , R. Kehoe , D. Kirkby , A. Kremin , A. Krolewski , M. Landriau , J. U. Lange , A. Leauthaud , M. E. Levi , M. Manera , R. Miquel , J. Moustakas , G. Niz , W. J. Percival , I. Pérez-Ràfols , A. Porredon , G. Rossi , R. Ruggeri , E. Sanchez , C. Saulder , D. Schlegel , D. Sprayberry , Z. Sun , G. Tarlé , B. A. Weaver
Despite efforts over several decades, direct-detection experiments have not yet led to the discovery of the dark matter (DM) particle. This has led to increasing interest in alternatives to the Lambda CDM (LCDM) paradigm and alternative DM…
宇宙学与河外天体物理 · 物理学
2022-07-04
Monica Valluri , Solene Chabanier , Vid Irsic , Eric Armengaud , Michael Walther , Connie Rockosi , Miguel A. Sanchez-Conde , Leandro Beraldo e Silva , Andrew P. Cooper , Elise Darragh-Ford , Kyle Dawson , Alis J. Deason , Simone Ferraro , Jaime E. Forero-Romero , Antonella Garzilli , Ting Li , Zarija Lukic , Christopher J. Manser , Nathalie Palanque-Delabrouille , Corentin Ravoux , Ting Tan , Wenting Wang , Risa Wechsler , Andreia Carrillo , Arjun Dey , Sergey E. Koposov , Yao-Yuan Mao , Paulo Montero-Camacho , Ekta Patel , Graziano Rossi , L. Arturo Urena-Lopez , Octavio Valenzuela
DESI is a groundbreaking international project to observe more than 40 million quasars and galaxies over a 5-year period to create a 3D map of the sky. This map will enable us to probe multiple aspects of cosmology, from dark energy to…
We describe the Milky Way Survey (MWS) that will be undertaken with the Dark Energy Spectroscopic Instrument (DESI) on the Mayall 4m telescope at the Kitt Peak National Observatory. Over the next 5 yr DESI MWS will observe approximately…
星系天体物理 · 物理学
2023-04-26
Andrew P. Cooper , Sergey E. Koposov , Carlos Allende Prieto , Christopher J. Manser , Namitha Kizhuprakkat , Adam D. Myers , Arjun Dey , Boris T. Gaensicke , Ting S. Li , Constance Rockosi , Monica Valluri , Joan Najita , Alis Deason , Anand Raichoor , Mei-Yu Wang , Yuan-Sen Ting , Bokyoung Kim , Andreia Carrillo , Wenting Wang , Leandro Beraldo e Silva , Jiwon Jesse Han , Jiani Ding , Miguel Sanchez-Conde , Jessica N. Aguilar , Steven Ahlen , Stephen Bailey , Vasily Belokurov , David Brooks , Katia Cunha , Kyle Dawson , Axel de la Macorra , Peter Doel , Daniel J. Eisenstein , Parker Fagrelius , Kevin Fanning , Andreu Font-Ribera , Jaime E. Forero-Romero , Enrique Gaztanaga , Satya Gontcho A Gontcho , Julien Guy , Klaus Honscheid , Robert Kehoe , Theodore Kisner , Anthony Kremin , Martin Landriau , Michael E. Levi , Paul Martini , Aaron M. Meisner , Ramon Miquel , John Moustakas , Jundan Nie , Nathalie Palanque-Delabrouille , Will J. Percival , Claire Poppett , Francisco Prada , Nabeel Rehemtulla , Edward Schlafly , David Schlegel , Michael Schubnell , Ray M. Sharples , Gregory Tarle , Risa H. Wechsler , David H. Weinberg , Zhimin Zhou , Hu Zou
The Dark Energy Spectroscopic Instrument (DESI) will precisely constrain cosmic expansion and the growth of structure by collecting $\sim$40 million extra-galactic redshifts across $\sim$80\% of cosmic history and one third of the sky. The…
宇宙学与河外天体物理 · 物理学
2023-03-01
A. Raichoor , J. Moustakas , Jeffrey A. Newman , T. Karim , S. Ahlen , Shadab Alam , S. Bailey , D. Brooks , K. Dawson , A. de la Macorra , A. de Mattia , A. Dey , Biprateep Dey , G. Dhungana , S. Eftekharzadeh , D. J. Eisenstein , K. Fanning , A. Font-Ribera , J. Garcia-Bellido , E. Gaztanaga , S. Gontcho A Gontcho , J. Guy , K. Honscheid , M. Ishak , R. Kehoe , T. Kisner , A. Kremin , Ting-Wen Lan , M. Landriau , L. Le Guillou , Michael E. Levi , C. Magneville , P. Martini , Aaron M. Meisner , Adam D. Myers , Jundan Nie , N. Palanque-Delabrouille , W. J. Percival , C. Poppett , F. Prada , A. J. Ross , V. Ruhlmann-Kleider , C. G. Sabiu , E. F. Schlafly , D. Schlegel , Gregory Tarle , B. A. Weaver , Christophe Yeche , Rongpu Zhou , Zhimin Zhou , H. Zou
Accurate redshift estimates are a critical requirement for weak lensing surveys and one of the main uncertainties in constraints on dark energy and large-scale cosmic structure. In this paper, we study the potential to calibrate photometric…
宇宙学与河外天体物理 · 物理学
2025-12-23
Diana Blanco , Alexie Leauthaud , Johannes Ulf Lange , Angus H. Wright , Hendrik Hildebrandt , Sven Heydenreich , Darshika Ravulapalli , Joshua Ratajczak , Kyle S. Dawson , Jamie McCullough , Biprateep Dey , Jessica N. Aguilar , Steven Ahlen , Abhijeet Anand , Davide Bianchi , Chris Blake , David Brooks , Francisco J. Castander , Todd Claybaugh , Andrei Cuceu , Axel de la Macorra , John Della Costa , Arjun Dey , Ann Elliott , Ni Putu Audita Placida Emas , Simone Ferraro , Andreu Font-Ribera , Jaime E. Forero-Romero , Cristhian Garcia-Quintero , Enrique Gaztañaga , Satya Gontcho A Gontcho , Gaston Gutierrez , Dragan Huterer , Mustapha Ishak , Jorge Jimenez , Shahab Joudaki , Dick Joyce , Stephanie Juneau , David Kirkby , Anthony Kremin , Alex Krolewski , Claire Lamman , Martin Landriau , Laurent Le Guillou , Marc Manera , Aaron Meisner , Ramon Miquel , John Moustakas , Seshadri Nadathur , Jeffrey A. Newman , Will Percival , Anna Porredon , Francisco Prada , Ignasi Pérez-Ràfols , Amy Robertson , Graziano Rossi , Eusebio Sanchez , Christoph Saulder , Agne Semenaite , David Schlegel , Hee-Jong Seo , Joseph H. Silber , David Sprayberry , Gregory Tarlé , Benjamin A. Weaver , Rongpu Zhou , Hu Zou
In the era of precision cosmology, ensuring the integrity of data analysis through blinding techniques is paramount -- a challenge particularly relevant for the Dark Energy Spectroscopic Instrument (DESI). DESI represents a monumental…
宇宙学与河外天体物理 · 物理学
2025-10-08
U. Andrade , J. Mena-Fernández , H. Awan , A. J. Ross , S. Brieden , J. Pan , A. de Mattia , J. Aguilar , S. Ahlen , O. Alves , D. Brooks , E. Buckley-Geer , E. Chaussidon , T. Claybaugh , S. Cole , A. de la Macorra , Arjun Dey , P. Doel , K. Fanning , J. E. Forero-Romero , E. Gaztañaga , H. Gil-Marín , S. Gontcho A Gontcho , J. Guy , C. Hahn , M. M. S Hanif , K. Honscheid , C. Howlett , D. Huterer , S. Juneau , A. Kremin , M. Landriau , L. Le Guillou , M. E. Levi , M. Manera , P. Martini , A. Meisner , R. Miquel , J. Moustakas , E. Mueller , A. Muñoz-Gutiérrez , A. D. Myers , S. Nadathur , J. A. Newman , J. Nie , G. Niz , N. Palanque-Delabrouille , W. J. Percival , M. Pinon , C. Poppett , F. Prada , M. Rashkovetskyi , M. Rezaie , G. Rossi , E. Sanchez , D. Schlegel , M. Schubnell , H. Seo , D. Sprayberry , G. Tarlé , M. Vargas-Magaña , L. Verde , B. A. Weaver