Chemical study of intermediate-mass (IM) Class 0 protostars - CO depletion and N2H+ deuteration

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Volume 518 (July-August 2010)

A&A, 518 (2010) A52

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Table 4:

Temperature-density (T-n) profiles from Crimier et al. (2010).
Source	CB3	Cep- E	IC 1396 N	NGC 7129	Serpens
	mm	mm	BIMA2	FIRS 2	FIRS 1
RA(J2000)	00:28:42.1	23:03:12.7	21:40:41.8	21:43:01.5	18:29:49.8
Dec(J2000)	56:41:59.4	61:42:27.4	58:16:13.5	66:03:25.0	01:15:18.4
Dust optical depth at 100 $\mu$ m, $\tau_{100}$	5.8	5.0	1.4	2.3	3.0
Density power law index, $\alpha$	2.2	1.9	1.2	1.4	1.5
Envelope thickness, $r_{{\rm out}}$ / $r_{{\rm i}}$	400	500	630	180	200
Inner envelope radius, $r_{{\rm in}}$ , ( ${\rm AU}$ )	260	70	50	100	30
Outer envelope radius, $r_{{\rm out}}$ , ( ${\rm AU}$ )	103 000	35 800	29 600	18 600	5900
Radius at $T_{\rm dust}$ = 100 K, $r_{{\rm 100~K}}$ , ( ${\rm AU}$ )	700	223	180	373	102
H₂ density at $r_{{\rm 100~K}}$ , n₀, ( ${\rm cm}^{-3}$ )	7.5 $\times$ 10⁷	2.0 $\times$ 10⁸	4.3 $\times$ 10⁷	4.4 $\times$ 10⁷	2.2 $\times$ 10⁸
Envelope mass, $M_{{\rm env}}$ , ( ${\rm M}_{\odot}$ )	120	35	90	50	5.0

Source LaTeX | All tables | In the text

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