First detection of the [CII] 158 µm line in the intermediate-velocity cloud Draco

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Volume 686 (June 2024)

A&A, 686 (2024) A109

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Table 5

Polaris and Musca observational [C II] and CO data.

	CII	¹² CO 1→0				¹²CO 2→1				N(H)	T_d
	I	T_mb	υ	∆υ	I	T_mb	υ	∆υ	I
	$[\frac{km}{s}]$ $\left[ {{{{\rm{km}}} \over {\rm{s}}}} \right]$	[K]	$[\frac{km}{s}]$ $\left[ {{{{\rm{km}}} \over {\rm{s}}}} \right]$	$[\frac{km}{s}]$ $\left[ {{{{\rm{km}}} \over {\rm{s}}}} \right]$	$[\frac{Kkm}{s}]$ $\left[ {{{{\rm{Kkm}}} \over {\rm{s}}}} \right]$	[K]	$[\frac{km}{s}]$ $\left[ {{{{\rm{km}}} \over {\rm{s}}}} \right]$	$[\frac{km}{s}]$ $\left[ {{{{\rm{km}}} \over {\rm{s}}}} \right]$	$[\frac{Kkm}{s}]$ $\left[ {{{{\rm{Kkm}}} \over {\rm{s}}}} \right]$	[10²⁰ cm⁻²]	[K]
Polaris	<0.03	5.46	−4.06	1.92	11.1	3.82	−4.16	1.75	7.1	32.2	13.8
Musca	<0.03	-	–	–	–	5.11	2.65	1.02	5.58	34.3	14.0

Notes. The CO line parameters were determined from a single Gaussian line fit. The error of the line integrated intensity is 0.09 K km s⁻¹ for Polaris and 0.01 K km s⁻¹ for Musca, respectively. The error for the linewidth is 0.017 km s⁻¹ for Polaris and 0.002 km s⁻¹ for Musca, respectively. There is no high angular resolution CO 1 →0 data for Musca available. The last two columns give the dust column density and temperature.

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