AC
Andrew P. Cooper
astro-ph.GAastro-ph.COastro-ph.IMastro-ph.SRastro-phastro-ph.EPastro-ph.HEhep-phnlin.CD
On Valency
published · living versionsW_ff35x35x·v1 · currentpublished
The Backup Program of the Dark Energy Spectroscopic Instrument's Milky Way Survey
with Arjun Dey, Sergey E. Koposov, Joan R. Najita, B. T. Gänsicke +64
1 version
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Preprints & journals
90 papers in the corpus · 2008–2026Disentangling the Distant Stellar Halo Using K-Giants in the DESI Year 3 Data2606.18849v1 · Namitha Kizhuprakkat, Andrew P. Cooper, Wenting Wang et al.2026 · 0 citationsarXiv
Constraining the Galactic bar using the M92 stellar stream2605.07918v1 · Amanda Bystrom, Sergey E. Koposov, Ting. S. Li et al.2026 · 0 citationsarXiv
Galactic Archaeology with the Subaru `Ōnohi`ula Prime Focus Spectrograph Strategic Program2604.09875v4 · Masashi Chiba, Rosemary F. G. Wyse, Evan N. Kirby et al.2026 · 1 citationarXiv
The Milky Way stellar halo is twisted and doubly broken: insights from DESI DR2 Milky Way Survey observation2512.01350v3 · Songting Li, Wenting Wang, Sergey E. Koposov et al.2025 · 7 citationsarXiv
The Draco Dwarf Spheroidal Galaxy in the First Year of DESI Data2509.21822v2 · J. Ding, C. Rockosi, Ting S. Li et al.2025 · 2 citationsarXiv
Dwarf galaxy halo masses from spectroscopic and photometric lensing in DESI and DES2509.20434v2 · Helena Treiber, Alexandra Amon, Risa H. Wechsler et al.2025 · 1 citationarXiv
The mass of the Milky Way from outer halo stars measured by DESI DR12508.19351v1 · Gustavo E. Medina, Ting S. Li, Gwendolyn M. Eadie et al.2025 · 1 citationarXiv
The dark matter content of Milky Way dwarf spheroidal galaxies: Draco, Sextans and Ursa Minor2507.02284v3 · Hao Yang, Wenting Wang, Ling Zhu et al.2025 · 5 citationsarXiv
The Backup Program of the Dark Energy Spectroscopic Instrument's Milky Way Survey2505.17230v1 · Arjun Dey, Sergey E. Koposov, Joan R. Najita et al.2025 · 3 citationsarXivon Valency
DESI Data Release 1: Stellar Catalogue2505.14787v4 · Sergey E. Koposov, Ting S. Li, C. Allende Prieto et al.2025 · 15 citationsOpen Journal Of Astrophysics, Vol 9 (2026)
The DESI Y1 RR Lyrae catalog II: The metallicity dependency of pulsational properties, the shape of the RR Lyrae instability strip, and metal rich RR Lyrae2505.10614v2 · Gustavo E. Medina, Ting S. Li, C. Allende Prieto et al.2025 · 1 citationarXiv
Nearby stellar substructures in the Galactic halo from DESI Milky Way Survey Year 1 Data Release2504.20327v2 · Bokyoung Kim, Sergey E. Koposov, Ting S. Li et al.2025 · 5 citationsMon. Not. R. Astron. Soc. 540 (2025) 264-288
The Cocytos Stream: A Disrupted Globular Cluster from our Last Major Merger?2504.11687v2 · Christian Aganze, Vedant Chandra, Risa H. Wechsler et al.2025 · 1 citationarXiv
The DESI Y1 RR Lyrae catalog I: Empirical modeling of the cyclic variation of spectroscopic properties and a chemodynamical analysis of the outer halo2504.02924v2 · Gustavo E. Medina, Ting S. Li, Sergey E. Koposov et al.2025 · 1 citationarXiv
DESI DR2 Results II: Measurements of Baryon Acoustic Oscillations and Cosmological Constraints2503.14738v3 · M. Abdul-Karim, J. Aguilar, S. Ahlen et al.2025 · 580 citationsPhys. Rev. D 112, 083515, 2025on Valency
Constraints on Neutrino Physics from DESI DR2 BAO and DR1 Full Shape2503.14744v3 · W. Elbers, A. Aviles, H. E. Noriega et al.2025 · 82 citationsarXiv
Data Release 1 of the Dark Energy Spectroscopic Instrument2503.14745v2 · M. Abdul Karim, A. G. Adame, D. Aguado et al.2025 · 155 citationsarXivon Valency
SpecDis: Value added distance catalogue for 4 million stars from DESI Year-1 data2503.02291v3 · Songting Li, Wenting Wang, Sergey E. Koposov et al.2025 · 0 citationsarXivon Valency
Simulations of the accreted stellar halos of low-mass field galaxies2501.13317v2 · Andrew P. Cooper, Carlos S. Frenk, Wojciech A. Hellwing et al.2025 · 9 citationsMNRAS 540 (2025) 2049-2080
Progenitor diversity in the accreted stellar halos of Milky Way-like galaxies2410.13491v2 · Sy-Yun Pu, Andrew P. Cooper, Robert J. J. Grand et al.2024 · 5 citationsarXiv
Extragalactic Stellar Tidal Streams: Observations meet Simulation2409.03585v2 · Juan Miro-Carretero, Maria A. Gomez-Flechoso, David Martinez-Delgado et al.2024 · 11 citationsA&A 700, A176 (2025)
Globular Cluster Counts around 700 Nearby Galaxies2408.07124v2 · Minh Ngoc Le, Andrew P. Cooper2024 · 8 citationsThe Astrophysical Journal, Volume 978, Number 1, 2025
Extragalactic Stellar Tidal Streams in the Dark Energy Survey2407.20483v1 · Juan Miro-Carretero, David Martinez-Delgado, Maria A. Gomez-Flechoso et al.2024 · 17 citationsA&A 691, A196 (2024)
DESI Early Data Release Milky Way Survey Value-Added Catalogue2407.06280v2 · Sergey E. Koposov, C. Allende-Prieto, A. P. Cooper et al.2024 · 32 citationsarXivon Valency
GD-1 Stellar Stream and Cocoon in the DESI Early Data Release2407.06336v2 · Monica Valluri, Parker Fagrelius, Sergey. E. Koposov et al.2024 · 18 citationsarXivon Valency
AuriDESI: Mock Catalogues for the DESI Milky Way Survey2406.08921v1 · Namitha Kizhuprakkat, Andrew P. Cooper, Alexander H. Riley et al.2024 · 5 citationsarXiv
Star Stream Velocity Distributions in CDM and WDM Galactic Halos2405.18522v2 · Raymond G. Carlberg, Adrian Jenkins, Carlos S. Frenk et al.2024 · 0 citationsarXiv
The DESI Early Data Release White Dwarf Catalogue2402.18641v1 · Christopher J. Manser, Paula Izquierdo, Boris T. Gansicke et al.2024 · 21 citationsarXivon Valency
Ghostly galaxies: accretion-dominated stellar systems in low-mass dark matter halos2306.17454v3 · Chung-Wen Wang, Andrew P. Cooper, Sownak Bose et al.2023 · 4 citationsarXiv
Validation of the Scientific Program for the Dark Energy Spectroscopic Instrument2306.06307v3 · A. G. Adame, J. Aguilar, S. Ahlen et al.2023 · 251 citationsarXiv
The Early Data Release of the Dark Energy Spectroscopic Instrument2306.06308v3 · A. G. Adame, J. Aguilar, S. Ahlen et al.2023 · 409 citationsAJ 168 58 (2024)
GTC Follow-up Observations of Very Metal-Poor Star Candidates from DESI2306.06321v3 · Carlos Allende Prieto, David S. Aguado, Jonay I. Gonz'alez Hern'andez et al.2023 · 5 citationsarXiv
DAHe white dwarfs from the DESI survey2302.01335v2 · Christopher J. Manser, Boris T. Gansicke, Keith Inight et al.2023 · 22 citationsarXiv
Target Selection and Sample Characterization for the DESI LOW-Z Secondary Target Program2212.07433v2 · Elise Darragh-Ford, John F. Wu, Yao-Yuan Mao et al.2022 · 33 citationsarXivon Valency
The Spectroscopic Data Processing Pipeline for the Dark Energy Spectroscopic Instrument2209.14482v2 · J. Guy, S. Bailey, A. Kremin et al.2022 · 243 citationsarXivon Valency
Colour gradients of low-redshift galaxies in the DESI Legacy Imaging Survey2209.14166v2 · Li-Wen Liao, Andrew Cooper2022 · 19 citationsarXiv
A search for stellar tidal streams around Milky Way analogues from the SAGA sample2209.08636v1 · Juan Miro-Carretero, David Martinez-Delgado, Silvia Farras-Aloy et al.2022 · 13 citationsA&A 669, L13 (2023)
DESI Observations of the Andromeda Galaxy: Revealing the Immigration History of our Nearest Neighbor2208.11683v2 · Arjun Dey, Joan R. Najita, S. E. Koposov et al.2022 · 55 citationsarXiv
DESI Bright Galaxy Survey: Final Target Selection, Design, and Validation2208.08512v1 · ChangHoon Hahn, Michael J. Wilson, Omar Ruiz-Macias et al.2022 · 277 citationsarXivon Valency
Overview of the DESI Milky Way Survey2208.08514v4 · Andrew P. Cooper, Sergey E. Koposov, Carlos Allende Prieto et al.2022 · 153 citationsarXivon Valency
The DESI Survey Validation: Results from Visual Inspection of Bright Galaxies, Luminous Red Galaxies, and Emission Line Galaxies2208.08516v3 · Ting-Wen Lan, R. Tojeiro, E. Armengaud et al.2022 · 85 citations2023 ApJ 943 68
The Target-selection Pipeline for the Dark Energy Spectroscopic Instrument2208.08518v3 · Adam D. Myers, John Moustakas, Stephen Bailey et al.2022 · 150 citations2023, AJ, 165, 50
Overview of the Instrumentation for the Dark Energy Spectroscopic Instrument2205.10939v1 · B. Abareshi, J. Aguilar, S. Ahlen et al.2022 · 466 citationsarXiv
Dust SEDs in Milky Way-like galaxies in the IllustrisTNG simulations based on the evolution of grain size distribution2204.03273v1 · Chiung-Yin Chang, Yu-Hsiu Huang, Hiroyuki Hirashita et al.2022 · 4 citationsarXiv
Snowmass2021 Cosmic Frontier White Paper: Prospects for obtaining Dark Matter Constraints with DESI2203.07491v2 · Monica Valluri, Solene Chabanier, Vid Irsic et al.2022 · 8 citationsarXiv
Hidden depths in the local Universe: The Stellar Stream Legacy Survey2104.06071v2 · David Martinez-Delgado, Andrew P. Cooper, Javier Roman et al.2021 · 72 citationsA&A 671, A141 (2023)
Evolution of the grain size distribution in Milky Way-like galaxies in post-processed IllustrisTNG simulations2011.13568v1 · Yu-Hsiu Huang, Hiroyuki Hirashita, Yun-Hsin Hsu et al.2020 · 10 citationsarXiv
Preliminary Target Selection for the DESI Milky Way Survey (MWS)2010.11284v1 · Carlos Allende Prieto, Andrew P. Cooper, Arjun Dey et al.2020 · 61 citationsRes. Notes AAS, 4, 188 (2020)
The Dark Energy Spectroscopic Instrument (DESI)1907.10688v1 · Michael E. Levi, Lori E. Allen (NOAO), Anand Raichoor et al.2019 · 146 citationsarXiv
Simulating cosmological substructure in the solar neighbourhood1905.09842v2 · Christine M. Simpson, Ignacio Gargiulo, Facundo A. G'omez et al.2019 · 22 citationsarXiv
Career total: at least 157 works. 90 are in this corpus.Showing the 50 most recent.
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