Physical properties of dense cores in Orion B9 | Astronomy & Astrophysics (A&A)

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Table 6

Revised core parameters presented in Paper I.

	R _eff	M ^a	M _vir ^b	α _vir ^b	N(H₂)^a	⟨ n(H₂) ⟩ ^a
Source	[pc]	[M_⊙]	[M_⊙]		[10²² cm^-2]	[10⁴ cm^-3]

IRAS 05399-0121	0.08	6.1 ± 1.4	7.8 ± 0.5	1.3 ± 0.3	4.2 ± 0.9	5.5 ± 1.3
SMM 1	0.09	8.4 ± 1.5	11.1 ± 0.3	1.3 ± 0.2	2.8 ± 0.4	5.3 ± 0.9
SMM 2	0.08	2.0 ± 0.6	4.8 ± 0.5	2.4 ± 0.8	1.4 ± 0.4	1.8 ± 0.5
SMM 3	0.07	7.8 ± 1.6	4.0 ± 0.2	0.5 ± 0.1	8.4 ± 1.1	10.5 ± 2.1
IRAS 05405-0117	0.07	2.8 ± 0.4	3.5 ± 0.1	1.2 ± 0.2	1.4 ± 0.1	3.8 ± 0.5
SMM 4	0.07	2.8 ± 0.3	4.1 ± 0.2	1.5 ± 0.2	1.4 ± 0.1	3.8 ± 0.4
SMM 4 (2nd v-comp.)					2.4 ± 0.7
SMM 5	0.07	1.9 ± 0.4	4.2 ± 0.2	2.2 ± 0.5	1.2 ± 0.1	2.5 ± 0.5
SMM 6	0.12	8.2 ± 1.1	6.2 ± 0.2	0.8 ± 0.1	2.0 ± 0.1	2.2 ± 0.3
Ori B9 N	0.08	2.3 ± 0.4	5.8 ± 0.4	2.5 ± 0.5	0.9 ± 0.1	2.1 ± 0.4
Ori B9 N (2nd v-comp.)					0.9 ± 0.1
SMM 7	0.07	3.6 ± 1.0	6.9 ± 0.4	1.9 ± 0.6	3.4 ± 0.9	4.8 ± 1.3
IRAS 05413-0104	0.06	2.0 ± 0.6	4.4 ± 0.2	2.2 ± 0.7	3.6 ± 0.6	4.3 ± 1.3

Notes.

^(a)

The masses and H₂ column and number densities were calculated using the values of T_kin (= T_dust).

^(b)

The table also lists the core virial masses and virial parameters (Cols. (4) and (5)).

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