TEMPLATES: Direct Abundance Constraints for Two Lensed Lyman-break Galaxies

被引：1

作者：

Welch, Brian ^{[1
,2
,3
]}

Olivier, Grace M. ^{[4
,5
]}

Hutchison, Taylor A. ^{[2
]}

Rigby, Jane R. ^{[6
]}

Berg, Danielle A. ^{[7
]}

Aravena, Manuel ^{[8
]}

Bayliss, Matthew B. ^{[9
]}

Birkin, Jack E. ^{[4
,5
]}

Chapman, Scott C. ^{[10
,11
,12
]}

Dahle, Hakon ^{[13
]}

Gladders, Michael D. ^{[14
]}

Khullar, Gourav ^{[15
,16
]}

Kim, Keunho J. ^{[17
]}

Mahler, Guillaume ^{[18
]}

Malkan, Matthew A. ^{[19
]}

Narayanan, Desika ^{[20
,21
]}

Phadke, Kedar A. ^{[22
,23
]}

Sharon, Keren ^{[24
]}

Smith, J. D. T. ^{[25
]}

Solimano, Manuel ^{[8
]}

Spilker, Justin S. ^{[4
,5
]}

Vieira, Joaquin D. ^{[22
,23
,26
]}

Vizgan, David ^{[22
]}

机构：

[1] Univ Maryland, Dept Astron, College Pk, MD 20742 USA

[2] NASA, Goddard Space Flight Ctr, Observat Cosmol Lab, Greenbelt, MD 20771 USA

[3] NASA GSFC, Ctr Res & Explorat Space Sci & Technol, Baltimore, MD 21250 USA

[4] Texas A&M Univ, Dept Phys & Astron, 4242 TAMU, College Stn, TX USA

[5] Texas A&M Univ, George P & Cynthia Woods Mitchell Inst Fundamental, 4242 TAMU, College Stn, TX 77843 USA

[6] NASA, Goddard Space Flight Ctr, Astrophys Sci Div, Code 660,8800 Greenbelt Rd, Greenbelt, MD 20771 USA

[7] Univ Texas Austin, 2515 Speedway,Stop C1400, Austin, TX 78712 USA

[8] Univ Diego Portales, Fac Ingn & Ciencias, Santiago, Chile

[9] Univ Cincinnati, Cincinnati, ND USA

[10] Dalhousie Univ, Dalhousie, NB, Canada

[11] NRC Herzberg Astron & Astrophys, Penticton, BC, Canada

[12] Univ British Columbia, Vancouver, BC, Canada

[13] Univ Oslo, POB 1029, Oslo, Norway

[14] Univ Chicago, Pediat, Chicago, IL USA

[15] Univ Pittsburgh, HumanGenet, Pittsburgh, PA USA

[16] Univ Pittsburgh, PITT PACC, Pittsburgh, PA 15260 USA

[17] CALTECH, 253-37 Caltech, Pasadena, CA 91109 USA

[18] STAR Inst, Quartier Agora Allee Six Aout,19c, B-4031 Liege, Belgium

[19] Univ Calif Los Angeles, Los Angeles, CA USA

[20] Univ Florida, Dept Astron, 211 Bryant Space Sci Ctr, Immokalee, FL USA

[21] Univ Copenhagen, Jagtvej 128, Copenhagen, Copenhagen, Denmark

[22] Univ Illinois Champaign Urbana, Champaign, IL USA

[23] Natl Ctr Supercomp Applicat, Ctr AstroPhys Surveys, Urbana, IL 61801 USA

[24] Univ Michigan, Michigan, ND 48109 USA

[25] Univ Toledo, Toledo, OH USA

[26] Univ Illinois Champaign Urbana, Champaign, IL USA

来源：

ASTROPHYSICAL JOURNAL | 2024年 / 975卷 / 02期

基金：

美国国家航空航天局;

关键词：

MASS-METALLICITY RELATION; EMISSION-LINE GALAXIES; STAR-FORMING GALAXIES; GAS-PHASE ABUNDANCES; CHEMICAL ABUNDANCES; PHYSICAL CONDITIONS; METAL-POOR; TO; JWST; DUST;

D O I：

10.3847/1538-4357/ad79ec

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using integrated spectra for two gravitationally lensed galaxies from the JWST TEMPLATES Early Release Science program, we analyze faint auroral lines, which provide direct measurements of the gas-phase chemical abundance. For the brighter galaxy, SGAS1723+34 (z = 1.3293), we detect the [O iii] lambda 4363, [S iii] lambda 6312, and [O ii] lambda lambda 7320, 7330 auroral emission lines, and set an upper limit for the [N ii] lambda 5755 line. For the second galaxy, SGAS1226+21 (z = 2.925), we do not detect any auroral lines, and report upper limits. With these measurements and upper limits, we constrain the electron temperatures in different ionization zones within both of these galaxies. For SGAS1723+34, where auroral lines are detected, we calculate direct oxygen and nitrogen abundances, finding an N/O ratio consistent with observations of nearby (z similar to 0) galaxies. These observations highlight the potent combination of JWST and gravitational lensing to measure faint emission lines in individual distant galaxies and to directly study the chemical abundance patterns in those galaxies.

引用

页数：12

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