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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…
Cosmology and Nongalactic Astrophysics · Physics
2017-04-12
Lucas Pinol , Robert N. Cahn , Nick Hand , Uros Seljak , Martin White
The large-scale structure of the Universe and its evolution encapsulate a wealth of cosmological information. A powerful means of unlocking this knowledge lies in measuring the auto-power spectrum and/or the cross-power spectrum of the…
Cosmology and Nongalactic Astrophysics · Physics
2026-02-17
F. Qin , C. Blake , C. Howlett , R. J. Turner , K. Lodha , J. Bautista , Y. Lai , A. J. Amsellem , J. Aguilar , S. Ahlen , D. Bianchi , D. Brooks , S. BenZvi , A. Carr , E. Chaussidon , T. Claybaugh , A. Cuceu , A. de la Macorra , K. Douglass , P. Doel , S. Ferraro , A. Font-Ribera , J. E. Forero-Romero , E. Gaztañaga , S. Gontcho A Gontcho , G. Gutierrez , J. Guy , H. K. Herrera-Alcantar , K. Honscheid , D. Huterer , M. Ishak , R. Joyce , A. G. Kim , D. Kirkby , T. Kisner , A. Kremin , O. Lahav , C. Lamman , M. Landriau , L. Le Guillou , M. E. Levi , M. Manera , A. Meisner , R. Miquel , J. Moustakas , A. Muñoz-Gutiérrez , S. Nadathur , N. Palanque-Delabrouille , W. J. Percival , C. Poppett , F. Prada , I. Perez-Rafols , C. Ross , G. Rossi , E. Sanchez , D. Schlegel , K. Said , M. Schubnell , H. Seo , J. Silber , D. Sprayberry , G. Tarle , B. A. Weaver , P. Zarrouk , R. Zhou , H. Zou
We constrain dark energy and modified gravity within the effective field theory of dark energy framework using the full-shape BOSS galaxy power spectrum, combined with Planck cosmic microwave background (CMB) data and recent baryon acoustic…
Cosmology and Nongalactic Astrophysics · Physics
2025-04-09
Petter Taule , Marco Marinucci , Giorgia Biselli , Massimo Pietroni , Filippo Vernizzi
In 2021 May the Dark Energy Spectroscopic Instrument (DESI) collaboration began a 5-year spectroscopic redshift survey to produce a detailed map of the evolving three-dimensional structure of the universe between $z=0$ and $z\approx4$.…
Cosmology and Nongalactic Astrophysics · Physics
2026-03-06
DESI Collaboration , M. Abdul Karim , A. G. Adame , D. Aguado , J. Aguilar , S. Ahlen , S. Alam , G. Aldering , D. M. Alexander , R. Alfarsy , L. Allen , C. Allende Prieto , O. Alves , A. Anand , U. Andrade , E. Armengaud , S. Avila , A. Aviles , H. Awan , S. Bailey , A. Baleato Lizancos , O. Ballester , A. Bault , J. Bautista , R. Bean , J. Behera , S. BenZvi , L. Beraldo e Silva , J. R. Bermejo-Climent , F. Beutler , D. Bianchi , C. Blake , R. Blum , A. S. Bolton , M. Bonici , S. Brieden , A. Brodzeller , D. Brooks , E. Buckley-Geer , E. Burtin , A. Byström , R. Canning , A. Carnero Rosell , A. Carr , P. Carrilho , L. Casas , F. J. Castander , R. Cereskaite , J. L. Cervantes-Cota , E. Chaussidon , J. Chaves-Montero , S. Chen , X. Chen , C. Circosta , T. Claybaugh , S. Cole , A. P. Cooper , M. -C. Cousinou , A. Cuceu , T. M. Davis , K. S. Dawson , R. de Belsunce , R. de la Cruz , A. de la Macorra , A. de Mattia , N. Deiosso , J. Della Costa , R. Demina , U. Demirbozan , J. DeRose , A. Dey , B. Dey , J. Ding , Z. Ding , P. Doel , K. Douglass , M. Dowicz , H. Ebina , J. Edelstein , D. J. Eisenstein , W. Elbers , N. Emas , S. Escoffier , P. Fagrelius , X. Fan , K. Fanning , G. Favole , V. A. Fawcett , E. Fernández-García , S. Ferraro , N. Findlay , A. Font-Ribera , J. E. Forero-Romero , D. Forero-Sánchez , C. S. Frenk , B. T. Gänsicke , L. Galbany , J. García-Bellido , C. Garcia-Quintero , L. H. Garrison , E. Gaztañaga , H. Gil-Marín , A. Gloudemans , O. Y. Gnedin , S. Gontcho A Gontcho , D. Gonzalez , A. X. Gonzalez-Morales , V. Gonzalez-Perez , C. Gordon , O. Graur , D. Green , D. Gruen , R. Gsponer , C. Guandalin , G. Gutierrez , J. Guy , C. Hahn , J. J. Han , J. Han , S. He , H. K. Herrera-Alcantar , S. Heydenreich , K. Honscheid , J. Hou , C. Howlett , D. Huterer , V. Iršič , M. Ishak , A. Jacques , L. Jiang , J. Jimenez , Y. P. Jing , B. Joachimi , S. Joudaki , R. Joyce , E. Jullo , S. Juneau , N. G. Karaçaylı , T. Karim , R. Kehoe , S. Kent , A. Khederlarian , D. Kirkby , T. Kisner , F. -S. Kitaura , N. Kizhuprakkat , H. Kong , S. E. Koposov , A. Kremin , A. Krolewski , O. Lahav , Y. Lai , C. Lamman , T. -W. Lan , M. Landriau , D. Lang , J. U. Lange , J. Lasker , J. M. Le Goff , L. Le Guillou , A. Leauthaud , M. E. Levi , S. Li , T. S. Li , W. Liu , K. Lodha , M. Lokken , Y. Luo , Y. Luo , C. Magneville , M. Manera , C. J. Manser , D. Margala , P. Martini , M. Maus , J. McCullough , P. McDonald , G. E. Medina , L. Medina-Varela , A. Meisner , J. Mena-Fernández , A. Menegas , J. Meneses-Rizo , M. Mezcua , R. Miquel , P. Montero-Camacho , J. Moon , J. Moustakas , A. Muñoz-Gutiérrez , D. Muñoz-Santos , A. D. Myers , J. Myles , S. Nadathur , J. Najita , L. Napolitano , J. A. Newman , F. Nikakhtar , R. Nikutta , G. Niz , H. E. Noriega , P. Nugent , N. Padmanabhan , E. Paillas , N. Palanque-Delabrouille , A. Palmese , J. Pan , Z. Pan , D. Parkinson , J. A. Peacock , M. P. Ibanez , W. J. Percival , A. Pérez-Fernández , I. Pérez-Ràfols , P. Peterson , J. Piat , M. M. Pieri , M. Pinon , C. Poppett , A. Porredon , F. Prada , R. Pucha , F. Qin , D. Rabinowitz , A. Raichoor , C. Ramírez-Pérez , S. Ramirez-Solano , M. Rashkovetskyi , C. Ravoux , B. Ried Guachalla , A. H. Riley , A. Rocher , C. Rockosi , J. Rohlf , A. J. Rosado-Marín , A. J. Ross , C. Ross , G. Rossi , R. Ruggeri , V. Ruhlmann-Kleider , C. G. Sabiu , K. Said , N. Sailer , A. Saintonge , Y. Salcedo Hernandez , L. Samushia , E. Sanchez , N. Sanders , N. Sandford , S. Satyavolu , C. Saulder , A. K. Saydjari , E. F. Schlafly , D. Schlegel , D. Scholte , M. Schubnell , A. Semenaite , H. Seo , A. Shafieloo , R. Sharples , J. Silber , F. Sinigaglia , M. Siudek , Z. Slepian , A. Smith , M. Soumagnac , D. Sprayberry , J. Suárez-Pérez , J. Swanson , T. Tan , G. Tarlé , P. Taylor , G. Thomas , R. Tojeiro , R. J. Turner , W. Turner , L. A. Ureña-López , R. Vaisakh , M. Valluri , G. Valogiannis , M. Vargas-Magaña , L. Verde , P. Vielzeuf , M. Walther , B. Wang , M. S. Wang , W. Wang , B. A. Weaver , N. Weaverdyck , R. H. Wechsler , D. H. Weinberg , M. White , A. Whitford , M. Wolfson , J. Yang , C. Yèche , S. Youles , J. Yu , S. Yuan , E. A. Zaborowski , P. Zarrouk , H. Zhang , C. Zhao , R. Zhao , Z. Zheng , C. Zhou , R. Zhou , Y. Zhou , H. Zou , S. Zou , Y. Zu
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…
Instrumentation and Methods for Astrophysics · Physics
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
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
Future or ongoing galaxy redshift surveys can put stringent constraints on neutrinos masses via the high-precision measurements of galaxy power spectrum, when combined with cosmic microwave background (CMB) information. In this paper we…
Cosmology and Nongalactic Astrophysics · Physics
2009-11-05
Shun Saito , Masahiro Takada , Atsushi Taruya
An accurate theoretical template for the galaxy power spectrum is a key for the success of ongoing and future spectroscopic surveys. We examine to what extent the Effective Field Theory of Large Scale Structure is able to provide such a…
Cosmology and Nongalactic Astrophysics · Physics
2021-01-04
Takahiro Nishimichi , Guido D'Amico , Mikhail M. Ivanov , Leonardo Senatore , Marko Simonović , Masahiro Takada , Matias Zaldarriaga , Pierre Zhang
We assess the impact of the fiducial cosmology choice on cosmological inference from full-shape (FS) fits of the galaxy power spectrum in the DESI 2024 Data Release 1 (DR1). Using a suite of AbacusSummit DR1 mock catalogues based on the…
Cosmology and Nongalactic Astrophysics · Physics
2025-09-11
R. Gsponer , S. Ramirez-Solano , F. Rodríguez-Martínez , M. Vargas-Magaña , S. Novell-Masot , N. Findlay , H. Gil-Marín , P. Zarrouk , S. Nadathur , A. Rocher , S. Brieden , A. Pérez-Fernández , J. Aguilar , S. Ahlen , D. Bianchi , D. Brooks , F. J. Castander , T. Claybaugh , A. Cuceu , A. de la Macorra , A. de Mattia , Arjun Dey , P. Doel , A. Font-Ribera , J. E. Forero-Romero , E. Gaztañaga , S. Gontcho A Gontcho , G. Gutierrez , J. Guy , C. Hahn , H. K. Herrera-Alcantar , K. Honscheid , C. Howlett , D. Huterer , M. Ishak , R. Joyce , R. Kehoe , D. Kirkby , T. Kisner , A. Kremin , O. Lahav , C. Lamman , M. Landriau , L. Le Guillou , M. E. Levi , C. Magneville , M. Manera , A. Meisner , R. Miquel , J. Moustakas , E. Mueller , N. Palanque-Delabrouille , W. J. Percival , F. Prada , I. Pérez-Ràfols , G. Rossi , L. Samushia , E. Sanchez , D. Schlegel , M. Schubnell , H. Seo , J. Silber , D. Sprayberry , G. Tarlé , B. A. Weaver , C. Zhao , R. 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…
Cosmology and Nongalactic Astrophysics · Physics
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
An axion-like field comprising $\sim 10\%$ of the energy density of the universe near matter-radiation equality is a candidate to resolve the Hubble tension; this is the "early dark energy" (EDE) model. However, as shown in Hill et al.…
Cosmology and Nongalactic Astrophysics · Physics
2020-11-04
Mikhail M. Ivanov , Evan McDonough , J. Colin Hill , Marko Simonović , Michael W. Toomey , Stephon Alexander , Matias Zaldarriaga
Cosmology in the near future promises a measurement of the sum of neutrino masses, a fundamental Standard Model parameter, as well as substantially-improved constraints on the dark energy. We use the shape of the BOSS redshift-space galaxy…
Stage IV galaxy surveys (DESI, 4MOST, MOONS, Euclid) are establishing precision constraints on cosmological parameters through baryon acoustic oscillations and redshift-space distortions, yet fundamental questions on neutrino masses,…
Cosmology and Nongalactic Astrophysics · Physics
2025-12-18
M. Guidi , M. Moresco , H. K. Herrera-Alcantar , G. Aricò , S. Camera , C. Carbone , A. Cimatti , S. Contarini , P. Dayal , G. Degni , A. Farina , C. Giocoli , V. Iršič , A. Labate , F. Marulli , F. Montano , C. Moretti , L. Moscardini , A. Pisani , A. Pollo , S. J. Rossiter , E. Sarpa , S. Sartori , E. Sefusatti , M. Talia , F. Verdiani , A. Veropalumbo
We derive constraints on the neutrino mass using a variety of recent cosmological datasets, including DESI BAO, the full-shape analysis of the DESI matter power spectrum and the one-dimensional power spectrum of the Lyman-$\alpha$ forest…
Cosmology and Nongalactic Astrophysics · Physics
2025-07-30
D. Chebat , C. Yèche , E. Armengaud , N. Schöneberg , M. Walther , A. de Mattia , J. Rohlf , J. Aguilar , S. Ahlen , D. Bianchi , D. Brooks , T. Claybaugh , A. Cuceu , A. de la Macorra , P. Doel , S. Ferraro , A. Font-Ribera , J. E. Forero-Romero , E. Gaztañaga , G. Gutierrez , C. Hahn , H. K. Herrera-Alcantar , C. Howlett , D. Huterer , M. Ishak , J. Jimenez , R. Joyce , S. Juneau , R. Kehoe , D. Kirkby , A. Kremin , O. Lahav , A. Lambert , M. Landriau , L. Le Guillou , C. Magneville , M. Manera , R. Miquel , J. Moustakas , G. Niz , N. Palanque-Delabrouille , W. J. Percival , F. Prada , I. Pérez-Ràfols , G. Rossi , E. Sanchez , D. Schlegel , J. Silber , D. Sprayberry , G. Tarlé , B. A. Weaver , P. Zarrouk , R. Zhou , H. Zou
Combined survey analyses of galaxy clustering and weak gravitational lensing (3x2-pt studies) will allow new and accurate tests of the standard cosmological model. However, careful validation is necessary to ensure that these cosmological…
Cosmology and Nongalactic Astrophysics · Physics
2026-04-01
N. Emas , A. Porredon , C. Blake , J. DeRose , J. Aguilar , S. Ahlen , D. Bianchi , D. Brooks , F. J. Castander , T. Claybaugh , A. Cuceu , A. de la Macorra , A. Dey , B. Dey , P. Doel , S. Ferraro , J. E. Forero-Romero , C. Garcia-Quintero , E. Gaztañaga , S. Gontcho A Gontcho , G. Gutierrez , S. Heydenreich , K. Honscheid , D. Huterer , M. Ishak , S. Joudaki , R. Joyce , E. Jullo , S. Juneau , R. Kehoe , D. Kirkby , T. Kisner , A. Kremin , A. Krolewski , O. Lahav , M. Landriau , J. U. Lange , L. Le Guillou , A. Leauthaud , M. Manera , R. Miquel , S. Nadathur , W. J. Percival , F. Prada , G. Rossi , R. Ruggeri , E. Sanchez , C. Saulder , A. Semenaite , H. Seo , J. Silber , D. Sprayberry , Z. Sun , G. Tarlé , B. A. Weaver , R. H. Wechsler , R. Zhou
We present a computationally efficient galaxy archetype-based redshift estimation and spectral classification method for the Dark Energy Survey Instrument (DESI) survey. The DESI survey currently relies on a redshift fitter and spectral…
Cosmology and Nongalactic Astrophysics · Physics
2024-08-27
Abhijeet Anand , Julien Guy , Stephen Bailey , John Moustakas , J. Aguilar , S. Ahlen , A. Bolton , A. Brodzeller , D. Brooks , T. Claybaugh , S. Cole , B. Dey , K. Fanning , J. Forero-Romero , E. Gaztañaga , S. Gontcho A Gontcho , L. Le Guillou , G. Gutierrez , K. Honscheid , C. Howlett , S. Juneau , D. Kirkby , T. Kisner , A. Kremin , A. Lambert , M. Landriau , A. de la Macorra , M. Manera , A. Meisner , R. Miquel , E. Mueller , G. Niz , N. Palanque-Delabrouille , W. Percival , C. Poppett , F. Prada , A. Raichoor , M. Rezaie , G. Rossi , E. Sanchez , E. Schlafly , D. Schlegel , M. Schubnell , D. Sprayberry , G. Tarlé , C. Warner , B. A. Weaver , R. Zhou , H. Zou
Data analysis from upcoming large galaxy redshift surveys, such as Euclid and DESI will significantly improve constraints on cosmological parameters. To optimally extract the information from these galaxy surveys, it is important to control…
Cosmology and Nongalactic Astrophysics · Physics
2025-01-22
S. Gouyou Beauchamps , P. Baratta , S. Escoffier , W. Gillard , J. Bel , J. Bautista , C. Carbone
We forecast the expected cosmological constraints from a combination of probes of both the universal expansion rate and matter perturbation growth, in the form of weak lensing tomography, galaxy tomography, supernovae, and the cosmic…
The Dark Energy Spectroscopic Instrument (DESI) will measure millions of quasar spectra by the end of its 5 year survey. Quasar redshift errors impact the shape of the Lyman-$\alpha$ forest correlation functions, which can affect…
Cosmology and Nongalactic Astrophysics · Physics
2025-01-31
Abby Bault , David Kirkby , Julien Guy , Allyson Brodzeller , J. Aguilar , S. Ahlen , S. Bailey , D. Brooks , L. Cabayol-Garcia , J. Chaves-Montero , T. Claybaugh , A. Cuceu , K. Dawson , R. de la Cruz , A. de la Macorra , A. Dey , P. Doel , S. Filbert , A. Font-Ribera , J. E. Forero-Romero , E. Gaztañaga , S. Gontcho A Gontcho , C. Gordon , H. K. Herrera-Alcantar , K. Honscheid , V. Iršič , N. G. Karaçaylı , R. Kehoe , T. Kisner , A. Kremin , A. Lambert , M. Landriau , L. Le Guillou , M. E. Levi , M. Manera , P. Martini , A. Meisner , R. Miquel , P. Montero-Camacho , J. Moustakas , A. Muñoz-Gutiérrez , J. Nie , G. Niz , N. Palanque-Delabrouille , W. J. Percival , C. Poppett , F. Prada , I. Pérez-Ràfols , C. Ramírez-Pérez , C. Ravoux , M. Rezaie , G. Rossi , E. Sanchez , E. F. Schlafly , D. Schlegel , M. Schubnell , J. Silber , T. Tan , G. Tarlé , M. Walther , B. A. Weaver , Z. Zhou
The main effect of massive neutrinos on the large-scale structure consists in a few percent suppression of matter perturbations on all scales below their free-streaming scale. Such effect is of particular importance as it allows to…
Cosmology and Nongalactic Astrophysics · Physics
2018-03-13
Rossana Ruggeri , Emanuele Castorina , Carmelita Carbone , Emiliano Sefusatti