DESI Early Data Release Milky Way Survey value-added catalogue

被引：5

作者：

Koposov, Sergey E. ^{[1
,2
,3
]}

Allende Prieto, C. ^{[4
,5
]}

Cooper, A. P. ^{[6
,7
]}

Li, T. S. ^{[8
]}

Beraldo e Silva, L. ^{[9
,10
]}

Kim, B. ^{[1
]}

Carrillo, A. ^{[11
]}

Dey, A. ^{[12
]}

Manser, C. J. ^{[13
,14
]}

Nikakhtar, F. ^{[15
]}

Riley, A. H. ^{[11
]}

Rockosi, C. ^{[16
,17
,18
]}

Valluri, M. ^{[19
]}

Aguilar, J. ^{[20
]}

Ahlen, S. ^{[21
]}

Bailey, S. ^{[20
]}

Blum, R. ^{[12
]}

Brooks, D. ^{[22
]}

Claybaugh, T. ^{[20
]}

Cole, S. ^{[11
]}

de la Macorra, A. ^{[23
]}

Dey, B. ^{[24
]}

Forero-Romero, J. E. ^{[25
,26
]}

Gaztanaga, E. ^{[27
,28
,29
]}

Guy, J. ^{[20
]}

Kremin, A. ^{[20
]}

Le Guillou, L. ^{[30
]}

Levi, M. E. ^{[20
]}

Manera, M. ^{[31
,32
]}

Meisner, A.

Miquel, R. ^{[32
,33
]}

Moustakas, J. ^{[34
]}

Nie, J. ^{[35
]}

Palanque-Delabrouille, N. ^{[20
,36
]}

Percival, W. J. ^{[37
,38
,39
]}

Rezaie, M. ^{[40
]}

Rossi, G. ^{[41
]}

Sanchez, E. ^{[42
]}

Schlafly, E. F. ^{[43
]}

Schubnell, M. ^{[19
,44
]}

Tarle, G. ^{[19
]}

Weaver, B. A. ^{[12
]}

Zhou, Z. ^{[35
]}

机构：

[1] Univ Edinburgh, Inst Astron, Royal Observ Edinburgh, Blackford Hill, Edinburgh EH9 3HJ, Scotland

[2] Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England

[3] Univ Cambridge, Kavli Inst Cosmol, Madingley Rd, Cambridge CB3 0HA, England

[4] Inst Astrofis Canarias, Dept Astrofis, C Via Lactea,S-N, E-38205 Tenerife, Spain

[5] Univ Laguna, Dept Astrofis, E-38206 Tenerife, Spain

[6] Natl Tsing Hua Univ, Inst Biomed Engn, 101 Sec 2,Kuang Fu Rd, Hsinchu 30013, Taiwan

[7] Natl Tsing Hua Univ, Dept Phys, 101 Kuang Fu Rd Sec 2, Hsinchu 30013, Taiwan

[8] Univ Toronto, Dept Astron & Astrophys, Toronto, ON M5S 3H4, Canada

[9] Univ Michigan, Dept Astron, Ann Arbor, MI 48109 USA

[10] Univ Arizona, Steward Observ, 933 N Cherry Ave, Tucson, AZ 85721 USA

[11] Univ Durham, Inst Computat Cosmol, Dept Phys, South Rd, Durham DH1 3LE, England

[12] NSFs NOIRLab, 950 N Cherry Ave, Tucson, AZ 85719 USA

[13] Imperial Coll London, Dept Phys, Astrophys Grp, Prince Consort Rd, London SW7 2AZ, England

[14] Univ Warwick, Dept Phys, Gibbet Hill Rd, Coventry CV4 7AL, England

[15] Yale Univ, Phys Dept, POB 208120, New Haven, CT 06511 USA

[16] Univ Calif Santa Cruz, Dept Astron & Astrophys, UCO Lick Observ, 1156 High St, Santa Cruz, CA 95064 USA

[17] Univ Calif Santa Cruz, Dept Astron & Astrophys, 1156 High St, Santa Cruz, CA 95064 USA

[18] Univ Calif Observ, 1156 High St, Sana Cruz, CA 95065 USA

[19] Univ Michigan, Ann Arbor, MI 48109 USA

[20] Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA

[21] Boston Univ, Phys Dept, 590 Commonwealth Ave, Boston, MA 02215 USA

[22] UCL, Dept Phys & Astron, Gower St, London WC1E 6BT, England

[23] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 04510, Mexico

[24] Univ Pittsburgh, Astrophys & Cosmol Ctr PITT PACC, Dept Phys & Astron & Pittsburgh Particle Phys, 3941 OHara St, Pittsburgh, PA 15260 USA

[25] Univ Andes, Dept Fis, Cra 1 18A-10 Edificio Ip, Bogota 111711, Colombia

[26] Univ Los Andes, Observ Astron, Cra 1 18A-10 Edificio H, Bogota 111711, Colombia

[27] Inst Estudis Espacials Catalunya IEEC, E-08034 Barcelona, Spain

[28] Univ Portsmouth, Inst Cosmol & Gravitat, Dennis Sciama Bldg, Portsmouth PO1 3FX, England

[29] CSIC, Inst Space Sci, IEES, Campus UAB S-N,Carrer Can Magrans S-N, Barcelona 08193, Spain

[30] Sorbonne Univ, CNRS, IN2P3, Lab Phys Nucleaire & Hautes Energies LPNHE, 4 Pl Jussieu, F-75252 Paris, France

[31] Univ Autonoma Barcelona, Dept Fis, E-08193 Bellaterra, Barcelona, Spain

[32] Barcelona Inst Sci & Technol, Inst Fis Altes Energies IFAE, Campus UAB, E-08193 Bellaterra, Spain

[33] Passeig Lluis Co, Inst Catalana Recerca & Estudis Avancats ICREA, E-08010 Barcelona, Spain

[34] Siena Coll, Dept Phys & Astron, 515 Loudon Rd, Loudonville, NY 12211 USA

[35] Chinese Acad Sci, Natl Astron Observ, A20 Datun Rd, Beijing 100012, Peoples R China

[36] Univ Paris Saclay, IRFU, CEA, F-91191 Gif sur Yvette, France

[37] Univ Waterloo, Dept Phys & Astron, 200 Univ Ave, Waterloo, ON N2L 3G1, Canada

[38] Perimeter Inst Theoret Phys, 31 Caroline St North, Waterloo, ON N2L 2Y5, Canada

[39] Univ Waterloo, Waterloo Ctr Astrophys, 200 Univ Ave, Waterloo, ON N2L 3G1, Canada

[40] Kansas State Univ, Dept Phys, 116 Cardwell Hall, Manhattan, KS 66506 USA

[41] Sejong Univ, Dept Phys & Astron, Seoul 143747, South Korea

[42] CIEMAT, Ave Complutense 40, E-28040 Madrid, Spain

[43] Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA

[44] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2024年 / 533卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

catalogues; surveys; stars: abundances; Galaxy: general; Galaxy: kinematics and dynamics; MULTIELEMENT ABUNDANCE MEASUREMENTS; TARGET-SELECTION; STELLAR HALO; SPECTROSCOPIC SURVEY; MASS-DISTRIBUTION; SKY SURVEY; GAIA; APOGEE; VALIDATION; STARS;

D O I：

10.1093/mnras/stae1842

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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 similar or equal to 400 000 unique stars observed during commissioning and survey validation by DESI. These observations were made under conditions similar to the Milky Way Survey (MWS) currently carried out by DESI but also include multiple specially targeted fields, such as those containing well-studied dwarf galaxies and stellar streams. The majority of observed stars have 16 < r < 20 with a median signal-to-noise ratio in the spectra of similar to 20. In the paper, we describe the structure of the catalogue, give an overview of different target classes observed, as well as provide recipes for selecting clean stellar samples. We validate the catalogue using external high-resolution measurements and show that radial velocities, surface gravities, and iron abundances determined by DESI are accurate to 1 km s(-1), 0.3 dex, and similar to 0.15 dex respectively. We also demonstrate possible uses of the catalogue for chemo-dynamical studies of the Milky Way stellar halo and Draco dwarf spheroidal. The value-added catalogue described in this paper is the very first DESI MWS catalogue. The next DESI data release, expected in less than a year, will add the data from the first year of DESI survey operations and will contain approximately 4 million stars, along with significant processing improvements.

引用

页码：1012 / 1031

页数：20

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