The NIRVANDELS Survey: a robust detection of α-enhancement in star-forming galaxies at z ≃ 3.4

The NIRVANDELS Survey: a robust detection of α-enhancement in star-forming galaxies at z ≃ 3.4
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DOI:
10.1093/mnras/stab1340
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发表时间:
2021-03
影响因子:
4.8
通讯作者:
F. Cullen;A. Shapley;R. McLure;J. Dunlop;R. Sanders;M. Topping;N. Reddy;R. Amorín;R. Begley;M. Bolzonella;A. Calabró;A. Carnall;M. Castellano;A. Cimatti;M. Cirasuolo;G. Cresci;A. Fontana;F. Fontanot;B. Garilli;L. Guaita;M. Hamadouche;N. Hathi;F. Mannucci;D. McLeod;L. Pentericci;A. Saxena;M. Talia;G. Zamorani
F. Cullen;A. Shapley;R. McLure;J. Dunlop;R. Sanders;M. Topping;N. Reddy;R. Amorín;R. Begley;M. Bolzonella;A. Calabró;A. Carnall;M. Castellano;A. Cimatti;M. Cirasuolo;G. Cresci;A. Fontana;F. Fontanot;B. Garilli;L. Guaita;M. Hamadouche;N. Hathi;F. Mannucci;D. McLeod;L. Pentericci;A. Saxena;M. Talia;G. Zamorani
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
F. Cullen;A. Shapley;R. McLure;J. Dunlop;R. Sanders;M. Topping;N. Reddy;R. Amorín;R. Begley;M. Bolzonella;A. Calabró;A. Carnall;M. Castellano;A. Cimatti;M. Cirasuolo;G. Cresci;A. Fontana;F. Fontanot;B. Garilli;L. Guaita;M. Hamadouche;N. Hathi;F. Mannucci;D. McLeod;L. Pentericci;A. Saxena;M. Talia;G. Zamorani

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本文给出了33个恒星形成星系在红移为2.95 3时的气相金属丰度(Zg,追踪O/H)和恒星金属丰度(Z_e,追踪Fe/H)的NIRVANDELS观测结果,发现(O/Fe)= 2.54 ± 0.38 ×(O/Fe)_e,对M_e没有明显的依赖性。
We present results from the NIRVANDELS survey on the gas-phase metallicity (Zg, tracing O/H) and stellar metallicity (Z⋆, tracing Fe/H) of 33 star-forming galaxies at redshifts 2.95 3, finding (O/Fe) = 2.54 ± 0.38 × (O/Fe)⊙, with no clear dependence on M⋆.