The COS Legacy Archive Spectroscopy Survey (CLASSY) Treasury Atlas

被引：74

作者：

Berg, Danielle A. ^{[1
]}

James, Bethan L. ^{[2
]}

King, Teagan ^{[3
]}

McDonald, Meaghan ^{[3
]}

Chen, Zuyi ^{[4
]}

Chisholm, John ^{[1
]}

Heckman, Timothy ^{[5
]}

Martin, Crystal L. ^{[6
]}

Stark, Dan P. ^{[4
]}

Aloisi, Alessandra ^{[3
]}

Amorin, Ricardo O. ^{[7
,8
]}

Arellano-Cordova, Karla Z. ^{[1
]}

Bayliss, Matthew ^{[9
]}

Bordoloi, Rongmon ^{[10
]}

Brinchmann, Jarle ^{[11
]}

Charlot, Stephane ^{[12
]}

Chevallard, Jacopo ^{[12
]}

Clark, Ilyse ^{[1
]}

Erb, Dawn K. ^{[13
]}

Feltre, Anna ^{[14
]}

Gronke, Max ^{[15
]}

Hayes, Matthew ^{[16
,17
]}

Henry, Alaina ^{[3
,5
]}

Hernandez, Svea ^{[2
]}

Jaskot, Anne ^{[18
]}

Jones, Tucker ^{[19
]}

Kewley, Lisa J. ^{[20
,21
]}

Kumari, Nimisha ^{[2
]}

Leitherer, Claus ^{[3
]}

Llerena, Mario ^{[7
]}

Maseda, Michael ^{[22
]}

Mingozzi, Matilde ^{[3
]}

Nanayakkara, Themiya ^{[23
]}

Ouchi, Masami ^{[24
,25
,26
]}

Plat, Adele ^{[4
]}

Pogge, Richard W. ^{[27
,28
]}

Ravindranath, Swara ^{[3
]}

Rigby, Jane R. ^{[29
]}

Sanders, Ryan ^{[19
]}

Scarlata, Claudia ^{[30
]}

Senchyna, Peter ^{[31
]}

Skillman, Evan D. ^{[30
]}

Steidel, Charles C. ^{[32
]}

Strom, Allison L. ^{[33
]}

Sugahara, Yuma ^{[24
,25
,34
]}

Wilkins, Stephen M. ^{[35
]}

Wofford, Aida ^{[36
]}

Xu, Xinfeng ^{[5
]}

机构：

[1] Univ Texas Austin, Dept Astron, 2515 Speedway,Stop C1400, Austin, TX 78712 USA

[2] Space Telescope Sci Inst, AURA ESA, 3700 San Martin Dr, Baltimore, MD 21218 USA

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

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

[5] Johns Hopkins Univ, Ctr Astrophys Sci, Dept Phys & Astron, Baltimore, MD 21218 USA

[6] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA

[7] Univ La Serena, Inst Invest Multidisciplinar Ciencia & Tecnol, Raul Bitran 1305, La Serena 2204000, Chile

[8] Univ La Serena, Dept Astron, Av Juan Cisternas 1200 Norte, La Serena 1720236, Chile

[9] Univ Cincinnati, Dept Phys, Cincinnati, OH 45221 USA

[10] North Carolina State Univ, Dept Phys, 421 Riddick Hall, Raleigh, NC 27695 USA

[11] Univ Porto, Inst Astrofis & Ciencias Espaco, CAUP, Rua Estrelas, P-4150762 Porto, Portugal

[12] Sorbonne Univ, UPMC CNRS, UMR7095, Inst Astrophys Paris, F-75014 Paris, France

[13] Univ Wisconsin Milwaukee, Dept Phys, Ctr Gravitat Cosmol & Astrophys, 3135 N Maryland Ave, Milwaukee, WI 53211 USA

[14] INAF Osservatorio Astrofis & Sci Spazio Bologna, Via P Gobetti 93-3, I-40129 Bologna, Italy

[15] Max Planck Inst Astrophys, Karl Schwarzschild Str 1, D-85748 Garching, Germany

[16] Stockholm Univ, Dept Astron, SE-10691 Stockholm, Sweden

[17] Stockholm Univ, AlbaNova Univ Ctr, Oskar Klein Ctr Cosmoparticle Phys, SE-10691 Stockholm, Sweden

[18] Williams Coll, Dept Astron, Williamstown, MA 01267 USA

[19] Univ Calif Davis, Davis, CA 95616 USA

[20] Australian Natl Univ, Res Sch Astron & Astrophys, Cotter Rd, Weston, ACT 2611, Australia

[21] ARC Ctr Excellence All Sky Astrophys 3 Dimens AST, Canberra, ACT 2611, Australia

[22] Univ Wisconsin Madison, Dept Astron, 475 N Charter St, Madison, WI 53706 USA

[23] Swinburne Univ Technol, Melbourne, Vic, Australia

[24] Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan

[25] Univ Tokyo, Inst Cosm Ray Res, Kashiwa, Chiba 2778582, Japan

[26] Univ Tokyo, Kavli Inst Phys & Math Universe WPI, Kashiwa, Chiba 2778583, Japan

[27] Ohio State Univ, Dept Astron, 140 W 18th Ave, Columbus, OH 43210 USA

[28] Ohio State Univ, Ctr Cosmol & AstroParticle Phys, 191 W Woodruff Ave, Columbus, OH 43210 USA

[29] NASA, Goddard Space Flight Ctr, Observat Cosmol Lab, Code 665,8800 Greenbelt Rd, Greenbelt, MD 20771 USA

[30] Univ Minnesota, Minnesota Inst Astrophys, 116 Church St SE, Minneapolis, MN 55455 USA

[31] Carnegie Observ, 813 Santa Barbara St, Pasadena, CA 91101 USA

[32] CALTECH, Cahill Ctr Astron & Astrophys, MC249-17, Pasadena, CA 91125 USA

[33] Princeton Univ, Dept Astrophys Sci, 4 Ivy Lane, Princeton, NJ 08544 USA

[34] Waseda Univ, Fac Sci & Engn, Waseda Res Inst Sci & Engn, Shinjuku Ku, 3-4-1 Okubo, Tokyo 1698555, Japan

[35] Univ Sussex, Astron Ctr, Brighton BN1 9QH, E Sussex, England

[36] Univ Nacl Autonoma Mexico, Inst Astron, Unidad Acad Ensenada, Km 103 Carr Tijuana Ensenada, Ensenada 22860, Baja California, Mexico

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2022年 / 261卷 / 02期

基金：

美国国家科学基金会; 美国安德鲁·梅隆基金会;

关键词：

SPECTRAL ENERGY-DISTRIBUTIONS; MASS-METALLICITY RELATION; STAR-FORMING GALAXIES; METAL-POOR GALAXIES; ULTRAVIOLET-SPECTRA; OPTICAL SPECTROSCOPY; GALACTIC OUTFLOWS; NEBULAR EMISSION; LINE DIAGNOSTICS; FORMATION RATES;

D O I：

10.3847/1538-4365/ac6c03

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Far-ultraviolet (FUV; similar to 1200-2000 angstrom) spectra are fundamental to our understanding of star-forming galaxies, providing a unique window on massive stellar populations, chemical evolution, feedback processes, and reionization. The launch of the James Webb Space Telescope will soon usher in a new era, pushing the UV spectroscopic frontier to higher redshifts than ever before; however, its success hinges on a comprehensive understanding of the massive star populations and gas conditions that power the observed UV spectral features. This requires a level of detail that is only possible with a combination of ample wavelength coverage, signal-to-noise, spectral-resolution, and sample diversity that has not yet been achieved by any FUV spectral database. We present the Cosmic Origins Spectrograph Legacy Spectroscopic Survey (CLASSY) treasury and its first high-level science product, the CLASSY atlas. CLASSY builds on the Hubble Space Telescope (HST) archive to construct the first high-quality (S/N-1500 angstrom greater than or similar to 5/resel), high-resolution (R similar to 15,000) FUV spectral database of 45 nearby (0.002 < z < 0.182) star-forming galaxies. The CLASSY atlas, available to the public via the CLASSY website, is the result of optimally extracting and coadding 170 archival+new spectra from 312 orbits of HST observations. The CLASSY sample covers a broad range of properties including stellar mass (6.2 < log M-*(M (circle dot)) < 10.1), star formation rate (-2.0 < log SFR (M (circle dot) yr(-1)) < +1.6), direct gas-phase metallicity (7.0 < 12+log(O/H) < 8.8), ionization (0.5 < O-32 < 38.0), reddening (0.02 < E(B - V) < 0.67), and nebular density (10 < n (e) (cm(-3)) < 1120). CLASSY is biased to UV-bright star-forming galaxies, resulting in a sample that is consistent with the z similar to 0 mass-metallicity relationship, but is offset to higher star formation rates by roughly 2 dex, similar to z greater than or similar to 2 galaxies. This unique set of properties makes the CLASSY atlas the benchmark training set for star-forming galaxies across cosmic time.

引用

页数：41

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