An ALMA survey of submillimetre galaxies in the COSMOS field: The extent of the radio-emitting region revealed by 3 GHz imaging with the Very Large Array

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Volume 602 (June 2017)

A&A, 602 (2017) A54

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Table 3

Radii in the rest-frame UV for a subset of 39 target SMGs.

ID	CC^a	TC^b	ZC^c	ZSMC^d	C2005^e	T14^f	r_UV^g	r_radio/r_UV^h
	R_1/2 [′′]	R_1/2 [′′]	R_1/2 [′′]	R_1/2 [′′]	R_1/2 [′′]	R_1/2 [′′]	[′′]

C2a	...	...	...	...	...	< 0.39	< 0.39	> 0.31
C4	...	...	...	...	...	< 0.39	< 0.39	> 1.71
C5	...	...	...	...	...	< 0.38	< 0.38	> 0.62
C9b	0.37	0.17	...	...	...	...	0.27 ± 0.10
C10b	...	...	...	...	...
C12	0.40	0.32	...	...	...	...	0.36 ± 0.04
C17	...	...	...	...	...	0.55 ± 0.03	0.55 ± 0.03
C18	0.28	...	...	...	...	...	0.28
C19	0.65	0.34	0.34	0.36	0.35	...	0.41 ± 0.06
C22a	0.43	0.26	...	0.25	0.28	...	0.30 ± 0.04
C23	0.28	0.36	...	...	...	...	0.32 ± 0.04
C25	...	0.22	...	...	...	...	0.22
C28a	0.25	0.11	...	...	...	...	0.18 ± 0.07
C33a	...	...	...	...	0.16	...	0.16
C36	0.67	0.22	...	0.46	0.38	...	0.43 ± 0.09
C42	...	...	...	...	...	0.06 ± 0.05	0.06 ± 0.05
C44b	0.11	0.08	...	...ⁱ	0.08	...	0.09 ± 0.01
C45	0.27	0.14	...	0.17	0.21	...	0.20 ± 0.03
C47	0.54	0.11	...	...	0.22	...	0.29 ± 0.13	< 1.19
C48a	0.40	0.15	...	...	...	...	0.28 ± 0.13
C51b	0.67	0.36	...	0.29	0.44	...	0.44 ± 0.08	...^j
C52	0.98	0.16	0.57	0.60	0.39	...	0.54 ± 0.14
C56	0.15	0.10	...	...	...	...	0.13 ± 0.02
C59	0.67	0.28	...	0.42	0.39	...	0.44 ± 0.08	< 0.53
C65	0.56	0.30	...	0.28	0.31	...	0.36 ± 0.07
C66	0.57	0.32	...	0.42	0.54	...	0.46 ± 0.06
C67	0.27	0.28	...	0.31	0.16	...	0.26 ± 0.03	< 0.83
C84b	0.72	0.32	...	0.69	0.15	...	0.47 ± 0.14
C86	0.13	0.08	...	...ⁱ	0.08	...	0.10 ± 0.02	< 2.38
C90c	...	0.18	...	...	...	...	0.18
C95	...	...	...	...	0.34	...	0.34
C97a	0.48	0.19	...	0.31	0.32	...	0.33 ± 0.06	...^j
C101b	0.44	0.22	...	...	...	...	0.33 ± 0.11
C105	0.32	0.16	...	...	...	...	0.24 ± 0.08
C112	0.51	0.27	...	...	...	...	0.39 ± 0.12
C113	...	...	0.42	...	...	...	0.42	< 0.45
C122a	0.69	0.23	0.45	0.37	0.48	...	0.44 ± 0.08
C126	0.37	0.35	...	...	...	...	0.36 ± 0.01	...^j
C127	0.23	0.26	...	...	...	...	0.25 ± 0.01	< 0.79

Notes. Unless otherwise stated, an ellipsis means that the source was not found in the catalogue (within a search radius of 1″).ⁱThe source was found in the Zürich catalogue, but no size was available (value = −99).

^(a)

Half-light radius from the Cassata’s morphological catalogue (Cassata et al. 2007).

^(b)

Half-light radius from the Tasca’s morphological catalogue v1.0 (Tasca et al. 2009).

^(c)

Half-light radius from the COSMOS/ACS morphological catalogue from the Columbia University group v1.0 (Zamojski et al. 2007).

^(d)

Circularised half-light radius calculated from the semi-major axis length of an ellipse encompassing 50% of total light from the Zürich structure & morphology catalogue v1.0 (Scarlata et al. 2007; Sargent et al. 2007).

^(e)

Half-light radius from the COSMOS 2005 Morphology Catalogue.

^(f)

Effective radius from Toft et al. (2014).

^(g)

The mean of the quoted rest-frame UV radii, where the quoted uncertainty represents the standard error of the mean.

^(h)

The ratio between the 3 GHz radio size and the average UV size tabulated in Col. (8).

^(j)

The source was not detected at 3 GHz.

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