Blueberry galaxies up to 200 Mpc and their optical and infrared properties

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Table 4.

Modes and 68% CIs of the distributions of sSFRs; EWs of Hα, Hβ, and [O III]λ5007; the flux ratio of [O III]λλ4363,5007/[O II]λ3727; the metallicity; and the Balmer E(B − V) of the samples of Cardamone et al. (2009), Izotov et al. (2011), Yang et al. (2017), the SFGs of HECATE, and the spectroscopic subsample (21 sources) of this work’s BBs.

	BBs	BBs (ext.)	BBs (comp.)	BBs (Y)	GPs	BDGs	SFGs
⟨log (sSFR/yr⁻¹)⟩	$- 7 . 87_{- 0.14}^{+ 0.18}$ $-7.87^{+0.18}_{-0.14}$	$- 8 . 13_{- 0.0}^{+ 0.0}$ $-8.13^{+0.0}_{-0.0}$	$- 7 . 87_{- 0.14}^{+ 0.12}$ $-7.87^{+0.12}_{-0.14}$	$- 7 . 5_{- 0.23}^{+ 0.03}$ $-7.5^{+0.03}_{-0.23}$	$- 8 . 32_{- 0.09}^{+ 0.14}$ $-8.32^{+0.14}_{-0.09}$	$- 8 . 55_{- 0.09}^{+ 0.19}$ $-8.55^{+0.19}_{-0.09}$	$- 9 . 8_{- 0.18}^{+ 0.15}$ $-9.8^{+0.15}_{-0.18}$
⟨log (EW_Hα/Å)⟩	$2 . 84_{- 0.0}^{+ 0.05}$ $2.84^{+0.05}_{-0.0}$	$2 . 71_{- 0.0}^{+ 0.12}$ $2.71^{+0.12}_{-0.0}$	$2 . 95_{- 0.05}^{+ 0.08}$ $2.95^{+0.08}_{-0.05}$		$2 . 67_{- 0.08}^{+ 0.08}$ $2.67^{+0.08}_{-0.08}$	$2 . 45_{- 0.02}^{+ 0.11}$ $2.45^{+0.11}_{-0.02}$	$1 . 39_{- 0.15}^{+ 0.13}$ $1.39^{+0.13}_{-0.15}$
⟨log (EW_Hβ/Å)⟩	$2 . 18_{- 0.06}^{+ 0.13}$ $2.18^{+0.13}_{-0.06}$	$2 . 03_{- 0.0}^{+ 0.09}$ $2.03^{+0.09}_{-0.0}$	$2 . 24_{- 0.01}^{+ 0.07}$ $2.24^{+0.07}_{-0.01}$	$2 . 26_{- 0.07}^{+ 0.08}$ $2.26^{+0.08}_{-0.07}$	$2 . 04_{- 0.12}^{+ 0.1}$ $2.04^{+0.1}_{-0.12}$	$1 . 73_{- 0.01}^{+ 0.1}$ $1.73^{+0.1}_{-0.01}$	$0 . 77_{- 0.14}^{+ 0.12}$ $0.77^{+0.12}_{-0.14}$
⟨log (EW_{[O III]λ5007}/Å)⟩	$2 . 92_{- 0.11}^{+ 0.08}$ $2.92^{+0.08}_{-0.11}$	$2 . 74_{- 0.0}^{+ 0.11}$ $2.74^{+0.11}_{-0.0}$	$3 . 04_{- 0.09}^{+ 0.03}$ $3.04^{+0.03}_{-0.09}$	$3 . 09_{- 0.07}^{+ 0.09}$ $3.09^{+0.09}_{-0.07}$	$2 . 65_{- 0.13}^{+ 0.13}$ $2.65^{+0.13}_{-0.13}$	$2 . 34_{- 0.05}^{+ 0.17}$ $2.34^{+0.17}_{-0.05}$	$0 . 6_{- 0.26}^{+ 0.27}$ $0.6^{+0.27}_{-0.26}$
⟨log (f_{[O III]λλ4363,5007}/f_{[O II]λ3727})⟩	$1 . 26_{- 0.1}^{+ 0.0}$ $1.26^{+0.0}_{-0.1}$	$1 . 28_{- 0.19}^{+ 0.0}$ $1.28^{+0.0}_{-0.19}$	$1 . 27_{- 0.08}^{+ 0.21}$ $1.27^{+0.21}_{-0.08}$	$1 . 05_{- 0.07}^{+ 0.16}$ $1.05^{+0.16}_{-0.07}$	$0 . 92_{- 0.15}^{+ 0.07}$ $0.92^{+0.07}_{-0.15}$	$0 . 57_{- 0.06}^{+ 0.14}$ $0.57^{+0.14}_{-0.06}$	$- 0 . 21_{- 0.09}^{+ 0.11}$ $-0.21^{+0.11}_{-0.09}$
⟨12 + log(O/H)⟩	$7 . 88_{- 0.09}^{+ 0.22}$ $7.88^{+0.22}_{-0.09}$	$7 . 86_{- 0.19}^{+ 0.0}$ $7.86^{+0.0}_{-0.19}$	$8 . 12_{- 0.34}^{+ 0.0}$ $8.12^{+0.0}_{-0.34}$	$7 . 72_{- 0.12}^{+ 0.11}$ $7.72^{+0.11}_{-0.12}$	$8 . 82_{- 0.22}^{+ 0.05}$ $8.82^{+0.05}_{-0.22}$	$8 . 58_{- 0.17}^{+ 0.08}$ $8.58^{+0.08}_{-0.17}$	$9 . 0_{- 0.17}^{+ 0.05}$ $9.0^{+0.05}_{-0.17}$
⟨E(B − V)⟩ (mag)	$0 . 07_{- 0.01}^{+ 0.01}$ $0.07^{+0.01}_{-0.01}$	$0 . 03_{- 0.0}^{+ 0.0}$ $0.03^{+0.0}_{-0.0}$	$0 . 03_{- 0.0}^{+ 0.03}$ $0.03^{+0.03}_{-0.0}$		$0 . 07_{- 0.01}^{+ 0.03}$ $0.07^{+0.03}_{-0.01}$	$0 . 09_{- 0.02}^{+ 0.04}$ $0.09^{+0.04}_{-0.02}$	$0 . 01_{- 0.01}^{+ 0.12}$ $0.01^{+0.12}_{-0.01}$

⟨W1 − W2⟩ (mag)	$1 . 24_{- 0.35}^{+ 0.08}$ $1.24^{+0.08}_{-0.35}$	$0 . 46_{- 0.08}^{+ 0.69}$ $0.46^{+0.69}_{-0.08}$	$0 . 75_{- 0.04}^{+ 0.49}$ $0.75^{+0.49}_{-0.04}$	$0 . 21_{- 0.22}^{+ 0.44}$ $0.21^{+0.44}_{-0.22}$	$0 . 59_{- 0.23}^{+ 0.36}$ $0.59^{+0.36}_{-0.23}$	$0 . 42_{- 0.08}^{+ 0.19}$ $0.42^{+0.19}_{-0.08}$	$0 . 1_{- 0.04}^{+ 0.04}$ $0.1^{+0.04}_{-0.04}$
⟨W2 − W3⟩ (mag)	$4 . 7_{- 0.18}^{+ 0.16}$ $4.7^{+0.16}_{-0.18}$	$4 . 53_{- 0.08}^{+ 0.11}$ $4.53^{+0.11}_{-0.08}$	$4 . 69_{- 0.32}^{+ 0.16}$ $4.69^{+0.16}_{-0.32}$	$4 . 78_{- 0.38}^{+ 0.24}$ $4.78^{+0.24}_{-0.38}$	$4 . 12_{- 0.16}^{+ 0.1}$ $4.12^{+0.1}_{-0.16}$	$4 . 31_{- 0.19}^{+ 0.19}$ $4.31^{+0.19}_{-0.19}$	$3 . 37_{- 0.25}^{+ 0.17}$ $3.37^{+0.17}_{-0.25}$

Notes. These quantities are also provided separately for the compact BBs (15 sources) and those with extended morphological features (six sources). These estimations are based on data provided by MPA-JHU. The last two rows present the modes and 68% CIs of the distributions of the W1 − W2 and W2 − W3 colors based on ALLWISE data for all sources of the samples with S/N > 2 in the WISE bands 1, 2, and 3.

The modes and CIs of the sSFRs of this work’s BBs mentioned in this table refer to the MPA-JHU estimations regarding the 21 spectroscopic sources. The modes and CIs of the sSFRs of all 48 BBs based on the SED fitting is $⟨ log sSFR / {yr}^{- 1} ⟩ = - 7 . 03_{- 0.34}^{+ 0.12}$ $\langle \log~{\mathrm{sSFR}}/\mathrm{yr^{-1}} \rangle = -7.03^{+0.12}_{-0.34}$ .

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