Free Access

Table 4

The properties of very metal-poor EELGs in zCOSMOS.

zCOSMOS ID z MT c(Hβ) EW(Hβ) te([O iii]) log(O iii/Hβ) log([N ii]/Hα) log(N/O) 12+log (O/H)
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)

701741 0.504 2 0.12±0.05 113±20 2.28±0.11 0.50±0.05 ... ... 7.46±0.15b
809215 0.124 2 0.20±0.07a ... ... ... –1.79±0.18 –1.83±0.15e 7.65±0.07d
825959 0.690 3 0.00±0.08a 66±13 1.87±0.06 0.52±0.06 ... ... 7.56±0.12b
836108 0.351 3 0.30±0.13 74±16 1.92±0.04 0.77±0.04 ... ... 7.47±0.10c
840051 0.250 1 0.28±0.04 84±10 ... 0.61±0.02 –1.75±0.11 –2.00±0.26e 7.69±0.08d
840962 0.121 1 0.31±0.06a ... ... ... –2.18±0.13 –1.75±0.24e 7.35±0.11d

Notes. Columns: (1) zCOSMOS identification number; (2) redshift; (3) morphological type: (1) regular, (2) clumpy/Irregular, (3) cometary/Tadpole; (4) reddening constant from the Hα/Hβ ratio, except for those with the superscript

a

which are taken from SED fitting; (5) Hβ equivalent width in Å; (6) [O iii] electron temperature in units of 104 K; (7) [O iii]5007/Hβ ratio; (8) N2 parameter; (9) Nitrogen-to-oxygen ratio; (10) gas-phase metallicity; method used to derive metallicity and N/O:

b

= Direct method,

c

T([O iii])Z,

d

= N2,

e

= N2S2.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.