FIRST DIRECT METALLICITY MEASUREMENT OF A LENSED STAR-FORMING GALAXY AT z=1.7

被引：45
|
作者：
Yuan, T. -T. [1 ]
Kewley, L. J. [1 ]
机构：
[1] Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA
来源：
ASTROPHYSICAL JOURNAL LETTERS | 2009年 / 699卷 / 02期
关键词：
galaxies: abundances; galaxies: evolution; galaxies: high-redshift; OXYGEN ABUNDANCE CALIBRATIONS; EMISSION-LINE SPECTRA; LYMAN-BREAK GALAXIES; DIGITAL SKY SURVEY; STELLAR POPULATION; MS; 1512-CB58; REDSHIFT; ULTRAVIOLET; CLASSIFICATION; SPECTROSCOPY;
D O I：
10.1088/0004-637X/699/2/L161
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present the rest-frame optical spectrum of a strongly lensed galaxy at redshift z = 1.7 behind the cluster Abell 1689. We detect the temperature sensitive auroral line [O III]lambda 4363, which allows the first direct metallicity measurement for galaxies at z > 1. Our high signal-to-noise spectrum indicates that the target is an extremely low metallicity star-forming galaxy, with 12 + log(O/H) = 7.5(-0.2)(+0.1) from the direct T(e)-based method. We estimate an intrinsic absolute B-band magnitude of M(B) = -18.3 +/- 0.1, with a stellar mass of 4.4 +/- 1.2x10(8) M(circle dot). This galaxy extends the luminosity-metallicity relation of star-forming galaxies at z > 2 by more than an order of magnitude. Given the double nuclei-like morphology and the velocity profile of H alpha, we tentatively suggest that it could be a merger or a proto-rotating disk galaxy.
引用
收藏
页码：L161 / L164
页数：4
相关论文
共 50 条
  • [21] Star-forming galaxies in SDSS: signs of metallicity evolution
    Lara-Lopez, M. A.
    Cepa, J.
    Bongiovanni, A.
    Castaneda, H.
    Perez Garcia, A. M.
    Fernandez Lorenzo, M.
    Povic, M.
    Sanchez-Portal, M.
    ASTRONOMY & ASTROPHYSICS, 2009, 493 (01): : L5 - L8
  • [22] VALIDATION OF THE EQUILIBRIUM MODEL FOR GALAXY EVOLUTION TO z ∼ 3 THROUGH MOLECULAR GAS AND DUST OBSERVATIONS OF LENSED STAR-FORMING GALAXIES
    Saintonge, Amelie
    Lutz, Dieter
    Genzel, Reinhard
    Magnelli, Benjamin
    Nordon, Raanan
    Tacconi, Linda J.
    Baker, Andrew J.
    Bandara, Kaushala
    Berta, Stefano
    Schreiber, Natascha M. Foerster
    Poglitsch, Albrecht
    Sturm, Eckhard
    Wuyts, Eva
    Wuyts, Stijn
    ASTROPHYSICAL JOURNAL, 2013, 778 (01)
  • [23] SPT 0538-50: PHYSICAL CONDITIONS IN THE INTERSTELLAR MEDIUM OF A STRONGLY LENSED DUSTY STAR-FORMING GALAXY AT z=2.8
    Bothwell, M. S.
    Aguirre, J. E.
    Chapman, S. C.
    Marrone, D. P.
    Vieira, J. D.
    Ashby, M. L. N.
    Aravena, M.
    Benson, B. A.
    Bock, J. J.
    Bradford, C. M.
    Brodwin, M.
    Carlstrom, J. E.
    Crawford, T. M.
    De Breuck, C.
    Downes, T. P.
    Fassnacht, C. D.
    Gonzalez, A. H.
    Greve, T. R.
    Gullberg, B.
    Hezaveh, Y.
    Holder, G. P.
    Holzapfel, W. L.
    Ibar, E.
    Ivison, R.
    Kamenetzky, J.
    Keisler, R.
    Lupu, R. E.
    Ma, J.
    Malkan, M.
    McIntyre, V.
    Murphy, E. J.
    Nguyen, H. T.
    Reichardt, C. L.
    Rosenman, M.
    Spilker, J. S.
    Stalder, B.
    Stark, A. A.
    Strandet, M.
    Vernet, J.
    Weiss, A.
    Welikala, N.
    ASTROPHYSICAL JOURNAL, 2013, 779 (01)
  • [24] A star-forming galaxy at z=5.78 in the Chandra Deep Field South
    Bunker, AJ
    Stanway, ER
    Ellis, RS
    McMahon, RG
    McCarthy, PJ
    MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2003, 342 (03) : L47 - L52
  • [25] THE SINS SURVEY OF z ∼ 2 GALAXY KINEMATICS: PROPERTIES OF THE GIANT STAR-FORMING CLUMPS
    Genzel, R.
    Newman, S.
    Jones, T.
    Schreiber, N. M. Foerster
    Shapiro, K.
    Genel, S.
    Lilly, S. J.
    Renzini, A.
    Tacconi, L. J.
    Bouche, N.
    Burkert, A.
    Cresci, G.
    Buschkamp, P.
    Carollo, C. M.
    Ceverino, D.
    Davies, R.
    Dekel, A.
    Eisenhauer, F.
    Hicks, E.
    Kurk, J.
    Lutz, D.
    Mancini, C.
    Naab, T.
    Peng, Y.
    Sternberg, A.
    Vergani, D.
    Zamorani, G.
    ASTROPHYSICAL JOURNAL, 2011, 733 (02)
  • [26] SBS0335-052W: The lowest metallicity star-forming galaxy known
    Izotov, YI
    Thuan, TX
    Guseva, NG
    ASTROPHYSICAL JOURNAL, 2005, 632 (01) : 210 - 216
  • [27] The MOSDEF survey: towards a complete census of the z ∼ 2.3 star-forming galaxy population
    Runco, Jordan N.
    Shapley, Alice E.
    Sanders, Ryan L.
    Kriek, Mariska
    Reddy, Naveen A.
    Coil, Alison L.
    Mobasher, Bahram
    Siana, Brian
    Topping, Michael W.
    Freeman, William R.
    Shivaei, Irene
    Azadi, Mojegan
    Price, Sedona H.
    Leung, Gene C. K.
    Fetherolf, Tara
    de Groot, Laura
    Zick, Tom
    Fornasini, Francesca M.
    Barro, Guillermo
    MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2022, 517 (03) : 4337 - 4354
  • [28] The properties of the interstellar medium within a star-forming galaxy at z=2.3
    Danielson, A. L. R.
    Swinbank, A. M.
    Smail, Ian
    Cox, P.
    Edge, A. C.
    Weiss, A.
    Harris, A. I.
    Baker, A. J.
    De Breuck, C.
    Geach, J. E.
    Ivison, R. J.
    Krips, M.
    Lundgren, A.
    Longmore, S.
    Neri, R.
    Ocana Flaquer, B.
    MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2011, 410 (03) : 1687 - 1702
  • [29] Ionized and Molecular Gas Kinematics in a z=1.4 Star-forming Galaxy
    Uebler, H.
    Genzel, R.
    Tacconi, L. J.
    Schreiber, N. M. Foerster
    Neri, R.
    Contursi, A.
    Belli, S.
    Nelson, E. J.
    Lang, P.
    Shimizu, T. T.
    Davies, R.
    Herrera-Camus, R.
    Lutz, D.
    Plewa, P. M.
    Price, S. H.
    Schuster, K.
    Sternberg, A.
    Tadaki, K.
    Wisnioski, E.
    Wuyts, S.
    ASTROPHYSICAL JOURNAL LETTERS, 2018, 854 (02)
  • [30] Relations between stellar mass and electron temperature-based metallicity for star-forming galaxies in a wide mass range
    Shi, Wei-Bin
    Liang, Yan-Chun
    Shao, Xu
    Liu, Xiao-Wei
    Zhao, Gang
    Hammer, Francois
    Zhang, Yong
    Flores, Hector
    Ruan, Gui-Ping
    Zhou, Li
    RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2014, 14 (07) : 875 - 890
12345