Radiation thermo-chemical models of protoplanetary disks - II. Line diagnostics

Home

All issues

Volume 510 (February 2010)

A&A, 510 (2010) A18

Full HTML

Free Access

Table 3:

Atomic and molecular data for the oxygen and carbon fine structure lines and the CO rotational lines.
Line identification			E_u	E_l	A_ul	$n_{\rm crit}$
	[ $\mu$ m]		[K]	[K]	[s^-1]	[cm^-3]
O I	63.2	$^3{\rm P}_1$ - $^3{\rm P}_2$	227.7	0.0	8.865(-5)	5(5)
O I	44.1	$^3{\rm P}_0$ - $^3{\rm P}_2$	326.6	0.0	1.275(-10)	0.5
O I	145.5	$^3{\rm P}_0$ - $^3{\rm P}_1$	326.6	227.7	1.772(-5)	6(4)
C II	157.7	$^2{\rm P}_\frac{3}{2}$ - $^2{\rm P}_\frac{1}{2}$	91.2	0.0	2.300(-6)	3(3)
Line identification			E_u	E_l	A_ul	$n_{\rm crit}$
	[GHz]		[K]	[K]	[s^-1]	[cm^-3]
CO	115. 3	J = 1-0	5.53	0.0	7.203(-8)	¹ 5.0(3) $T_{\rm g}^{-0.66}$
CO	230.5	J = 2-1	16.60	5.53	6.910(-7)	¹ 1.9(4) $T_{\rm g}^{-0.45}$
CO	345.8	J = 3-2	33.19	16.60	2.497(-6)	¹ 4.6(4) $T_{\rm g}^{-0.35}$

Notes. ⁽¹⁾ CO critical densities from Kamp & van Zadelhoff (2001). The notation 5(5) stands for $5 \times 10^5$ . Oxygen levels 2, 1, 0 correspond to $^3{\rm P}_2$ , $^3{\rm P}_1$ , and $^3{\rm P}_0$ , respectively.

Source LaTeX | All tables | In the text

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.