The ALMA-CRISTAL survey - Widespread dust-obscured star formation in typical star-forming galaxies at z = 4–6

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Volume 690 (October 2024)

A&A, 690 (2024) A197

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Table 1.

Dust continuum properties of the CRISTAL galaxies.

ID	log₁₀M_*	S/N	S_uv^(a)	S_tap^(b)	log₁₀L_IR	f_obs	r_e, dust	r_e, UV^(c)	class ^(d)
	[M_⊙]		[mJy]	[mJy]	[L_⊙]		[arcsec]	[arcsec]
CRISTAL main sample

CRISTAL-01a	10.65 ± 0.50	–	–	≤0.251	≤11.54	≤0.426	–	0.154 ± 0.007	multiple
CRISTAL-02	10.30 ± 0.28	9.3	0.405 ± 0.075	0.362 ± 0.055	$11 . 80_{- 0.07}^{+ 0.06}$ $11.80_{-0.07}^{+0.06}$	$0 . 629_{- 0.122}^{+ 0.105}$ $0.629_{-0.122}^{+0.105}$	0.326 ± 0.076	– ^(e)	multiple
CRISTAL-03	10.40 ± 0.29	4.8	0.044 ± 0.014	0.037 ± 0.016	$10 . 86_{- 0.25}^{+ 0.16}$ $10.86_{-0.25}^{+0.16}$	$0 . 210_{- 0.122}^{+ 0.077}$ $0.210_{-0.122}^{+0.077}$	≤0.369 ^(f)	0.173 ± 0.007	single
CRISTAL-04a	10.15 ± 0.29	7.6	0.174 ± 0.043	0.164 ± 0.035	$11 . 36_{- 0.10}^{+ 0.08}$ $11.36_{-0.10}^{+0.08}$	$0 . 587_{- 0.162}^{+ 0.130}$ $0.587_{-0.162}^{+0.130}$	0.130 ± 0.072	0.154 ± 0.007	multiple
CRISTAL-05	10.16 ± 0.35	6.7	0.141 ± 0.044	0.122 ± 0.026	$11 . 36_{- 0.11}^{+ 0.08}$ $11.36_{-0.11}^{+0.08}$	$0 . 574_{- 0.161}^{+ 0.129}$ $0.574_{-0.161}^{+0.129}$	0.244 ± 0.105	0.061 ± 0.003	single
CRISTAL-06a	10.09 ± 0.30	13.1	0.280 ± 0.051	0.254 ± 0.029	$11 . 55_{- 0.05}^{+ 0.05}$ $11.55_{-0.05}^{+0.05}$	$0 . 794_{- 0.122}^{+ 0.109}$ $0.794_{-0.122}^{+0.109}$	0.310 ± 0.071	0.214 ± 0.010	multiple
CRISTAL-07ab	10.00 ± 0.33	4.5	0.078 ± 0.037	0.085 ± 0.019	$11 . 16_{- 0.11}^{+ 0.09}$ $11.16_{-0.11}^{+0.09}$	$0 . 331_{- 0.089}^{+ 0.071}$ $0.331_{-0.089}^{+0.071}$	0.201 ± 0.153	0.146 ± 0.008	multiple
CRISTAL-08	9.85 ± 0.36	–	–	≤0.073	≤10.99	≤0.363	–	0.380 ± 0.012	single
CRISTAL-09	9.84 ± 0.39	4.5	0.083 ± 0.032	0.080 ± 0.036	$11 . 18_{- 0.26}^{+ 0.16}$ $11.18_{-0.26}^{+0.16}$	$0 . 463_{- 0.302}^{+ 0.189}$ $0.463_{-0.302}^{+0.189}$	0.104 ± 0.079	0.028 ± 0.002	single
CRISTAL-10	9.99 ± 0.31	4.4	0.122 ± 0.058	0.101 ± 0.026	$11 . 29_{- 0.13}^{+ 0.1}$ $11.29_{-0.13}^{+0.1}$	$0 . 333_{- 0.104}^{+ 0.08}$ $0.333_{-0.104}^{+0.08}$	0.405 ± 0.226	– ^(e)	multiple
CRISTAL-11a	9.68 ± 0.33	4.6	0.137 ± 0.055	0.095 ± 0.051	$11 . 11_{- 0.33}^{+ 0.19}$ $11.11_{-0.33}^{+0.19}$	$0 . 542_{- 0.475}^{+ 0.265}$ $0.542_{-0.475}^{+0.265}$	0.116 ± 0.091	0.066 ± 0.004	single
CRISTAL-12	9.30 ± 0.47	–	–	≤0.029	≤10.73	≤0.535	–	– ^(g)	single
CRISTAL-13	9.65 ± 0.34	6.6	0.137 ± 0.039	0.120 ± 0.037	$11 . 23_{- 0.16}^{+ 0.12}$ $11.23_{-0.16}^{+0.12}$	$0 . 621_{- 0.268}^{+ 0.196}$ $0.621_{-0.268}^{+0.196}$	0.092 ± 0.070	0.056 ± 0.023	multiple
CRISTAL-14	9.53 ± 0.38	–	–	≤0.044	≤10.77	≤0.364	–	0.054 ± 0.011	single
CRISTAL-15	9.69 ± 0.33	–	–	≤0.046	≤10.81	≤0.275	–	– ^(e)	single
CRISTAL-16	9.60 ± 0.39	–	–	≤0.037	≤10.85	≤0.386	–	0.250 ± 0.020	single
CRISTAL-17	9.51 ± 0.40	–	–	≤0.035	≤10.83	≤0.362	–	– ^(g)	single
CRISTAL-19	9.51 ± 0.36	5.5	0.093 ± 0.038	0.078 ± 0.022	$11 . 13_{- 0.15}^{+ 0.11}$ $11.13_{-0.15}^{+0.11}$	$0 . 572_{- 0.220}^{+ 0.165}$ $0.572_{-0.220}^{+0.165}$	0.262 ± 0.153	0.097 ± 0.009	single

CRISTAL+ sample
CRISTAL-20	10.11 ± 0.35	13.8	0.157 ± 0.025	0.144 ± 0.015	$11 . 43_{- 0.05}^{+ 0.04}$ $11.43_{-0.05}^{+0.04}$	$0 . 459_{- 0.055}^{+ 0.049}$ $0.459_{-0.055}^{+0.049}$	0.251 ± 0.054	0.060 ± 0.002	single
CRISTAL-21	10.11 ± 0.32	4.9	0.528 ± 0.219	0.201 ± 0.046	$11 . 54_{- 0.11}^{+ 0.09}$ $11.54_{-0.11}^{+0.09}$	$0 . 613_{- 0.187}^{+ 0.148}$ $0.613_{-0.187}^{+0.148}$	1.160 ± 0.499	0.062 ± 0.003	single
CRISTAL-22ab^(h)	10.35 ± 0.37	22.9	1.522 ± 0.074	1.343 ± 0.158	$12 . 42_{- 0.05}^{+ 0.05}$ $12.42_{-0.05}^{+0.05}$	$0 . 927_{- 0.158}^{+ 0.140}$ $0.927_{-0.158}^{+0.140}$	0.150 ± 0.011	0.129 ± 0.008	multiple
CRISTAL-23a	10.55 ± 0.29	12.2	1.142 ± 0.211	0.831 ± 0.087	$12 . 07_{- 0.05}^{+ 0.04}$ $12.07_{-0.05}^{+0.04}$	$0 . 847_{- 0.123}^{+ 0.111}$ $0.847_{-0.123}^{+0.111}$	0.486 ± 0.093	0.091 ± 0.006	multiple
CRISTAL-24	10.53 ± 0.08	22.3	1.201 ± 0.100	1.236 ± 0.092	$12 . 24_{- 0.03}^{+ 0.03}$ $12.24_{-0.03}^{+0.03}$	$0 . 956_{- 0.102}^{+ 0.094}$ $0.956_{-0.102}^{+0.094}$	0.204 ± 0.028	0.105 ± 0.020	single
CRISTAL-25	10.90 ± 0.32	7.8	0.501 ± 0.137	0.402 ± 0.065	$11 . 75_{- 0.08}^{+ 0.06}$ $11.75_{-0.08}^{+0.06}$	$0 . 681_{- 0.145}^{+ 0.123}$ $0.681_{-0.145}^{+0.123}$	0.320 ± 0.116	0.131 ± 0.004	single

serendipitously detected sources
CRISTAL-01b	9.81 ± 0.34	4.4	0.449 ± 0.165	0.340 ± 0.066	$11 . 67_{- 0.09}^{+ 0.08}$ $11.67_{-0.09}^{+0.08}$	$0 . 715_{- 0.190}^{+ 0.156}$ $0.715_{-0.190}^{+0.156}$	0.331 ± 0.153	0.095 ± 0.005	multiple
CRISTAL-07c	10.21 ± 0.35	7.0	0.160 ± 0.045	0.123 ± 0.024	$11 . 32_{- 0.09}^{+ 0.08}$ $11.32_{-0.09}^{+0.08}$	$0 . 683_{- 0.181}^{+ 0.148}$ $0.683_{-0.181}^{+0.148}$	0.139 ± 0.077	0.143 ± 0.015	single

Notes.

^(a)

Rest-frame 158 μm fluxes measured with UVMULTIFIT.

^(b)

Rest-frame 158 μm fluxes measured with tapered images (see Section 3.2). 4σ upper limits are shown if source S/N < 4.

^(c)

Circularized HST/F160W size when fixing sèrsic index to unity.

^(d)

Classification based on the HST/F160W image.

^(e)

galfit does not converge due to the existence of multiple sources having similar brightness.

^(f)

1σ upper limit of the size.

^(g)

No clear counterpart or low S/N in HST/F160W image.

^(h)

S_uv indicates the total flux of main+sub components, and r_e, dust and r_e, UV both refer to the effective radius of the main component (See Figure 2).

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