A merging pair of massive quiescent galaxies at z = 3.44 in the Cosmic Vine

Open Access

Table 1.

Summary of physical properties of two quiescent galaxies reported in this paper.

ID	61168	61167
RA	14:19:27.85	14:19:27.85
Dec	52:53:03.33	52:53:02.72
z_spec	3.4332 ± 0.0003	3.4433 ± 0.0005
log(M_⋆/M_⊙)	$10 . 88_{- 0.00}^{+ 0.00}$ $10.88_{-0.00}^{+0.00}$	$10 . 85_{- 0.00}^{+ 0.00}$ $10.85_{-0.00}^{+0.00}$
log(SFR_SED/M_⊙ yr⁻¹)	< − 2.0 ^(a)	$0 . 48_{- 0.57}^{+ 0.24}$ $0.48^{+0.24}_{-0.57}$
log(sSFR_SED/yr⁻¹)	< − 12.8 ^(a)	$- 10 . 4_{- 0.6}^{+ 0.2}$ $-10.4^{+0.2}_{-0.6}$
A_V, SED [mag] ^(b)	$0 . 34_{- 0.06}^{+ 0.04}$ $0.34^{+0.04}_{-0.06}$	$0 . 60_{- 0.11}^{+ 0.23}$ $0.60^{+0.23}_{-0.11}$
f_Hα, nr [×10⁻¹⁸erg/s/cm²] ^(c)	1.4 ± 0.5	9.0 ± 1.2
f_Hβ, nr [×10⁻¹⁸erg/s/cm²] ^(c)	0.9 ± 0.4	2.9 ± 0.5
f[O III]λ5007,nr [×10⁻¹⁸erg/s/cm²] ^(c)	1.3 ± 0.5	3.4 ± 1.0
f[N II]λ6583,nr [× 10⁻¹⁸ erg/s/cm²] ^(c)	4.3 ± 0.6	8.8 ± 1.5
log([NII]λ6583/Hα)	$0 . 49_{- 0.15}^{+ 0.21}$ $0.49^{+0.21}_{-0.15}$	$- 0 . 01_{- 0.05}^{+ 0.05}$ $-0.01^{+0.05}_{-0.05}$
log ([O III]λ5007/Hβ)	$0 . 15_{- 0.26}^{+ 0.29}$ $0.15^{+0.29}_{-0.26}$	$0 . 07_{- 0.16}^{+ 0.13}$ $0.07^{+0.13}_{-0.16}$
A_{V, Balmer} [mag] ^(d)	$0 . 00_{- 0.00}^{+ 0.15}$ $0.00^{+0.15}_{-0.00}$	$0 . 23_{- 0.23}^{+ 0.71}$ $0.23^{+0.71}_{-0.23}$
log(SFR_Hα/M_⊙ yr⁻¹) ^(e)	$- 0 . 11_{- 0.20}^{+ 0.21}$ $-0.11^{+0.21}_{-0.20}$	$0 . 77_{- 0.15}^{+ 0.32}$ $0.77^{+0.32}_{-0.15}$

Notes.

^(a)

The 2σ upper limit.

^(b)

This was estimated from the SED fitting.

^(c)

This is the flux of the narrow component.

^(d)

This was estimated from the Balmer decrement.

^(e)

This was obtained by assuming that the Hα emission line is only due to the star formation and correcting the dust extinction estimated from the Balmer decrement.

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