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
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文献类型:
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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
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⋆.