A systematic search for dormant galaxies at z ∼ 5−7 from the JWST NIRSpec archive

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Volume 705 (January 2026)

A&A, 705 (2026) A155

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Table 1.

Properties of the dormant galaxies selected in this work, sorted by redshift.

Source	PID^*	RA	Dec	z_spec	Hα EW	BB	log M_*	β_UV	SFR₁₀/SFR₁₀₀	t_mw^†
ID		[deg]	[deg]		[Å]		[M_⊙]			[Myr]
68 913	1181	189.210734	62.147085	5.04	39 ± 15	$1 . 81_{- 0.06}^{+ 0.06}$ $1.81_{-0.06}^{+0.06}$	$9 . 28_{- 0.04}^{+ 0.05}$ $9.28_{-0.04}^{+0.05}$	$- 2 . 23_{- 0.04}^{+ 0.07}$ $-2.23_{-0.04}^{+0.07}$	$0 . 131_{- 0.067}^{+ 0.082}$ $0.131_{-0.067}^{+0.082}$	$262_{- 58}^{+ 45}$ $262_{-58}^{+45}$
9483	6368	215.013250	52.974686	5.08	32 ± 9	$1 . 88_{- 0.04}^{+ 0.05}$ $1.88_{-0.04}^{+0.05}$	$9 . 27_{- 0.05}^{+ 0.04}$ $9.27_{-0.05}^{+0.04}$	$- 1 . 80_{- 0.06}^{+ 0.07}$ $-1.80_{-0.06}^{+0.07}$	$0 . 144_{- 0.052}^{+ 0.067}$ $0.144_{-0.052}^{+0.067}$	$266_{- 43}^{+ 40}$ $266_{-43}^{+40}$
7395	1214	150.136830	2.251830	5.11	49 ± 11	$1 . 64_{- 0.03}^{+ 0.04}$ $1.64_{-0.03}^{+0.04}$	$9 . 79_{- 0.05}^{+ 0.03}$ $9.79_{-0.05}^{+0.03}$	$- 1 . 70_{- 0.06}^{+ 0.05}$ $-1.70_{-0.06}^{+0.05}$	$0 . 198_{- 0.058}^{+ 0.085}$ $0.198_{-0.058}^{+0.085}$	$209_{- 44}^{+ 42}$ $209_{-44}^{+42}$
4188	1433	101.908377	70.251585	5.26	18 ± 9	$2 . 57_{- 0.14}^{+ 0.18}$ $2.57_{-0.14}^{+0.18}$	$7 . 67_{- 0.15}^{+ 0.15}$ $7.67_{-0.15}^{+0.15}$	$- 1 . 56_{- 0.20}^{+ 0.28}$ $-1.56_{-0.20}^{+0.28}$	$0 . 106_{- 0.106}^{+ 0.269}$ $0.106_{-0.106}^{+0.269}$	$411_{- 55}^{+ 50}$ $411_{-55}^{+50}$
11 237	6368	214.947354	52.918977	5.49	−9 ± 11	$1 . 61_{- 0.03}^{+ 0.03}$ $1.61_{-0.03}^{+0.03}$	$8 . 93_{- 0.02}^{+ 0.04}$ $8.93_{-0.02}^{+0.04}$	$- 2 . 37_{- 0.03}^{+ 0.02}$ $-2.37_{-0.03}^{+0.02}$	$0 . 001_{- 0.001}^{+ 0.009}$ $0.001_{-0.001}^{+0.009}$	$134_{- 11}^{+ 17}$ $134_{-11}^{+17}$
16 756	6368	214.879629	52.835771	5.66	−5 ± 11	$2 . 05_{- 0.07}^{+ 0.07}$ $2.05_{-0.07}^{+0.07}$	$9 . 21_{- 0.05}^{+ 0.04}$ $9.21_{-0.05}^{+0.04}$	$- 2 . 10_{- 0.05}^{+ 0.06}$ $-2.10_{-0.05}^{+0.06}$	$0 . 010_{- 0.010}^{+ 0.029}$ $0.010_{-0.010}^{+0.029}$	$288_{- 48}^{+ 50}$ $288_{-48}^{+50}$
26 648	2561	3.591447	–30.396666	5.66	23 ± 11	$1 . 61_{- 0.03}^{+ 0.03}$ $1.61_{-0.03}^{+0.03}$	$7 . 59_{- 0.03}^{+ 0.03}$ $7.59_{-0.03}^{+0.03}$	$- 2 . 27_{- 0.04}^{+ 0.04}$ $-2.27_{-0.04}^{+0.04}$	$0 . 003_{- 0.003}^{+ 0.008}$ $0.003_{-0.003}^{+0.008}$	$81_{- 15}^{+ 34}$ $81_{-15}^{+34}$
44 493	2561	3.593161	–30.346475	5.67	10 ± 3	$1 . 74_{- 0.02}^{+ 0.02}$ $1.74_{-0.02}^{+0.02}$	$9 . 56_{- 0.04}^{+ 0.04}$ $9.56_{-0.04}^{+0.04}$	$- 1 . 96_{- 0.03}^{+ 0.03}$ $-1.96_{-0.03}^{+0.03}$	$0 . 021_{- 0.017}^{+ 0.016}$ $0.021_{-0.017}^{+0.016}$	$176_{- 28}^{+ 42}$ $176_{-28}^{+42}$
42 420	2561	3.595939	–30.371346	5.79	43 ± 30	$1 . 94_{- 0.09}^{+ 0.09}$ $1.94_{-0.09}^{+0.09}$	$8 . 33_{- 0.04}^{+ 0.04}$ $8.33_{-0.04}^{+0.04}$	$- 2 . 08_{- 0.08}^{+ 0.11}$ $-2.08_{-0.08}^{+0.11}$	$0 . 028_{- 0.027}^{+ 0.045}$ $0.028_{-0.027}^{+0.045}$	$245_{- 61}^{+ 62}$ $245_{-61}^{+62}$
5403	1214	150.109947	2.259070	5.88	13 ± 8	$1 . 91_{- 0.04}^{+ 0.04}$ $1.91_{-0.04}^{+0.04}$	$10 . 48_{- 0.05}^{+ 0.05}$ $10.48_{-0.05}^{+0.05}$	$- 0 . 91_{- 0.07}^{+ 0.08}$ $-0.91_{-0.07}^{+0.08}$	$0 . 002_{- 0.002}^{+ 0.006}$ $0.002_{-0.002}^{+0.006}$	$130_{- 20}^{+ 27}$ $130_{-20}^{+27}$
27 376	1181	189.182645	62.246510	5.91	34 ± 7	$1 . 51_{- 0.03}^{+ 0.03}$ $1.51_{-0.03}^{+0.03}$	$9 . 22_{- 0.05}^{+ 0.04}$ $9.22_{-0.05}^{+0.04}$	$- 1 . 80_{- 0.04}^{+ 0.05}$ $-1.80_{-0.04}^{+0.05}$	$0 . 001_{- 0.001}^{+ 0.004}$ $0.001_{-0.001}^{+0.004}$	$67_{- 12}^{+ 30}$ $67_{-12}^{+30}$
201 850	3215	53.148424	–27.801749	6.07	22 ± 20	$1 . 84_{- 0.06}^{+ 0.07}$ $1.84_{-0.06}^{+0.07}$	$8 . 46_{- 0.03}^{+ 0.04}$ $8.46_{-0.03}^{+0.04}$	$- 1 . 92_{- 0.09}^{+ 0.09}$ $-1.92_{-0.09}^{+0.09}$	$0 . 007_{- 0.007}^{+ 0.021}$ $0.007_{-0.007}^{+0.021}$	$215_{- 59}^{+ 51}$ $215_{-59}^{+51}$
235 403	6368	214.878295	52.829096	6.54	31 ± 11	$1 . 46_{- 0.06}^{+ 0.07}$ $1.46_{-0.06}^{+0.07}$	$9 . 17_{- 0.09}^{+ 0.10}$ $9.17_{-0.09}^{+0.10}$	$- 2 . 38_{- 0.07}^{+ 0.08}$ $-2.38_{-0.07}^{+0.08}$	$0 . 014_{- 0.014}^{+ 0.042}$ $0.014_{-0.014}^{+0.042}$	$150_{- 43}^{+ 55}$ $150_{-43}^{+55}$
61 471	2561	3.570125	–30.336790	6.78	43 ± 18	$1 . 76_{- 0.05}^{+ 0.05}$ $1.76_{-0.05}^{+0.05}$	$8 . 90_{- 0.04}^{+ 0.04}$ $8.90_{-0.04}^{+0.04}$	$- 1 . 78_{- 0.09}^{+ 0.09}$ $-1.78_{-0.09}^{+0.09}$	$0 . 012_{- 0.012}^{+ 0.030}$ $0.012_{-0.012}^{+0.030}$	$190_{- 48}^{+ 55}$ $190_{-48}^{+55}$

Notes. ^*The program IDs correspond to the following surveys. 1181: JADES (Eisenstein et al. 2023b). 1214: GTO WIDE (Maseda et al. 2024). 1433: MACS-J0647 (Hsiao et al. 2024). 2561: UNCOVER (Bezanson et al. 2024). 3215: JADES Ultra-Deep (Eisenstein et al. 2023a). 6368: CAPERS. ^†mass-weighted age.

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