Dense cores in the Seahorse infrared dark cloud: physical properties from modified blackbody fits to the far-infrared–submillimetre spectral energy distributions

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Table 5

Core fragment separations and the Jeans analysis parameters.

Source	d_sep	λ_J	d_sep∕λ_J	M_J	N_J
	[pc]	[pc]		[M_⊙]
SMM 1a	0.19	0.06 ± 0.004	3.0 ± 0.2	1.2 ± 0.3	44 ± 13
SMM 4a	0.21	0.04 ± 0.01	5.2 ± 1.1	0.5 ± 0.4	289 ± 234
SMM 6a	0.16	0.11 ± 0.03	1.4 ± 0.3	2.7 ± 2.1	10 ± 9
SMM 7	0.09	0.02 ± 0.003	5.9 ± 1.3	0.2 ± 0.1	1 095 ± 982
IRAS 13039-6108a	0.17	0.03 ± 0.006	6.4 ± 1.4	0.3 ± 0.2	1 307 ± 1 158

Notes. The listed parameters are the observed, projected separation between the core fragments (d_sep), thermal Jeans length (λ_J), ratio between the latter two separations (d_sep∕λ_J), thermal Jeans mass (M_J), and the Jeans number defined as N_J = M∕M_J.

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