Herschel observations of a potential core-forming clump: Perseus B1-E

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Table 2

Column density determined properties.

Source	R_d^a	M^b	n^c
	(AU)	(M_⊙)	(10⁴ cm^-3)

B1-E1	7.1 × 10³	0.6 − 1.6	5.9 − 17
B1-E2	6.9 × 10³	0.6 − 1.4	6.7 − 15
B1-E3	7.7 × 10³	0.5 − 1.5	4.0 − 12
B1-E4	6.0 × 10³	0.3 − 1.0	4.3 − 18
B1-E5	9.3 × 10³	0.5 − 2.0	2.4 − 9.1
B1-E6^d	5.9 × 10³	0.3 − 1.0	5.7 − 17
B1-E7^d	5.9 × 10³	0.3 − 0.9	5.6 − 17
B1-E8	7.2 × 10³	0.3 − 1.2	3.1 − 12
B1-E9	5.4 × 10³	0.3 − 0.8	5.8 − 18

Notes.

^(a)

Object radii were estimated from Gaussian fits to the column density profile (R = FWHM/2). Radii were deconvolved with a 36.6″ beam.

^(b)

Masses are taken from integrating out the column density profiles. The lower limit measurements subtract the LOS material from the column density profiles. The upper limit measurements do not subtract the LOS material from the column density profiles.

^(c)

Average density determined from the mass and volume.

^(d)

B1-E6 and B1-E7 are truncated to measure column density unique to each source.

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