Galactic cold cores - VII. Filament formation and evolution: Methods and observational constraints

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Volume 591 (July 2016)

A&A, 591 (2016) A90

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Table 2

Parameter distributions for filament samples with reliability level N_scales= 10.

Sample	Num. detections	⟨ M _line,core ⟩	⟨ M _line,wing ⟩	⟨ N _H₂ ⟩ ^a	⟨BKG N_H₂⟩	FWHM
		[M_⊙ pc^-1]	[M_⊙ pc^-1]	[10²⁰ cm^-2]	[10²⁰ cm^-2]	[pc]

SI	42	5.52 ± 0.63	7.36 ± 1.32	21.48 ± 2.90	21.11 ± 1.79	0.13 ± 0.01
SI_sb^b	29	3.79 ± 0.41	2.89 ± 0.51	13.93 ± 1.60	18.57 ± 2.07	0.13 ± 0.01
SI_sp^c	13	9.37 ± 1.31	17.34 ± 2.44	38.31 ± 6.72	26.79 ± 3.01	0.13 ± 0.02

SS	29	4.90 ± 0.69	5.73 ± 1.90	11.37 ± 1.58	20.64 ± 2.71	0.20 ± 0.01
SIS	17	5.79 ± 1.21	5.51 ± 2.31	19.95 ± 4.12	20.15 ± 2.74	0.13 ± 0.01

Notes.

^(a)

Average intrinsic (background-removed) N_H₂ and standard error on the mean of crest.

^(b)

Subcritical filaments: M_line,tot<M_crit~ 16.5 M_⊙ pc^-1.

^(c)

Supercritical filaments: M_line,tot≥M_crit~ 16.5 M_⊙ pc^-1.

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