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Table 1

Properties of newly identified star-forming galaxies with red W1 − W2 colours.

Property J0219+0018 J1439+2453 J1457+2232 J1514+3852

RA(J2000) 02:39:00.79 14:39:05.24 14:57:35.14 15:14:08.63
Dec(J2000) +00:18:35.88 +24:53:53.39 +22:32:01.79 +38:52:07.31
z 0.2166 0.2119 0.1488 0.3329
SDSS g (mag) 20.72 19.54 19.43 20.44
W1 (mag) 17.80  ±  0.28 14.26  ±  0.03 16.22  ±  0.08 17.60  ±  0.23
W2 (mag) 15.57  ±  0.16 12.13  ±  0.02 13.85  ±  0.05 15.40  ±  0.12
W3 (mag) 10.81  ±  0.09 8.55  ±  0.03 9.55  ±  0.04 10.64  ±  0.07
W4 (mag) 7.65  ±  0.12 6.16  ±  0.05 6.54  ±  0.06 7.77  ±  0.13
L(Hβ) (erg s-1) 2.8  ×  1041 1.2  ×  1042 4.8  ×  1041 2.6  ×  1041
SFR(Hβ) (M yr-1) 6.1 26.5 10.6 5.8
M/Ma 1.9  ×  108 2.9  ×  108 1.3  ×  109 2.1  ×  109
M(burst)/Ma 3.0  ×  107 9.9  ×  107 4.7  ×  107 4.8  ×  107
EW(Hβ) (Å) 155 174 205 105
t(burst) (Myr)a 3.9 3.6 3.1 3.9
12+logO/H 8.08 8.09 8.04 8.40

Notes. 

(a)

Stellar masses M, starburst masses M(burst) and ages t(burst) are derived from SDSS spectra according to prescriptions of Izotov et al. (2011).

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