ALMA observations of RCW 120 Fragmentation at 0.01 pc scale

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Volume 616 (August 2018)

A&A, 616 (2018) L10

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Table 1.

Properties of the Herschel cores using the getsources (+getimages) algorithm.

Id	α	δ	T_env (K)	M_env (M_⊙)	L_bol (L_⊙)	n_H₂^a (cm⁻³)	M_Jeans (M_⊙)	N_frag	M_frag (M_⊙)
Id	J2000 (°)		T_env (K)	M_env (M_⊙)	L_bol (L_⊙)	n_H₂^a (cm⁻³)	M_Jeans (M_⊙)	N_frag	M_frag (M_⊙)
1	258.04577	−38.53338	17.0 ± 0.2	85 ± 6	234 ± 28	(3.0 ± 0.2) × 10⁵	0.8	2	10.6 ± 0.7
2	258.03624	−38.51317	16.9 ± 0.2	376 ± 21	856 ± 93	(1.3 ± 0.1) × 10⁶	0.4	5	73 ± 3.6
9	258.03749	−38.52663	13.1 ± 0.2	97 ± 14	49 ± 12	(3.4 ± 0.5) × 10⁵	0.5	2	25.8 ± 1.6
10	258.04524	−38.51956	11.1 ± 0.4	252 ± 41	46 ± 17	(8.7 ± 1.4) × 10⁵	0.3	2	15.5 ± 1.4
11	258.04073	−38.53926	14.2 ± 0.4	31 ± 9	24 ± 11	(1.1 ± 0.3) × 10⁵	1.1	1	7.4 ± 0.5
13	258.03352	−38.53886	16.3 ± 0.8	8 ± 3	23 ± 9	(2.8 ± 1.0) × 10⁴	2.5	2	6.8 ± 0.8
15^b	258.04084	−38.52110	12.8 ± 0.5	81 ± 15	38 ± 15	(2.8 ± 0.5) × 10⁵	0.5	1	3.5 ± 0.6
39	258.04560	−38.52532	12.8 ± 0.3	97 ± 17	42 ± 13	(3.4 ± 0.5) × 10⁵	0.5	3	72.2 ± 2.7
17	258.02078	−38.51440	12.8 ± 0.2	122 ± 17	51 ± 13	(4.2 ± 0.6) × 10⁵	0.4	0	0
23	258.02648	−38.51204	11.9 ± 0.4	130 ± 21	37 ± 13	(4.5 ± 0.7) × 10⁵	0.4	0	0
127	258.03146	−38.54054	10.8 ± 0.3	80 ± 17	12 ± 5	(2.8 ± 0.6) × 10⁵	0.4	0	0

Notes. Columns are: (1) identification number, (2,3) J2000 coordinates, (4) envelope temperature, (5) envelope mass, (6) bolometric luminosity, (7) volume density, (8) Jeans mass, (9) number of fragments inside the core, and (10) total mass of the fragments.

^(a)

The volume density was computed assuming a size of 0.1 pc and n_H₂ = M_core/( μm_H × (4/3)π × 0.1 pc³).

^(b)

SED fitting carried out without 160 and 250 μm and consequently no aperture correction was carried out.

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