Fine-structure infrared lines from the Cassiopeia A knots

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Volume 509 (January 2010)

A&A, 509 (2010) A59

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Table 10:

Spectral lines used for analysis of the post-shock photoionized region. (See text for details).
Spectrum	$\lambda$	I/I(5007 Å)	Source	Observed?	Application
He I	10 830 Å	0.006^*	GF01	Yes?	He abundance
[C I]	8727 Å	0.002	HF96	Yes	Post-shock PIR disruption
[O I]	6300 Å	0.08	HF96	Yes	C abundance
	63.19 $\mu$ m	0.07	This paper	Yes	O ionization state, electron density,
					extent of the post-shock PIR
	145.5 $\mu$ m	<0.0024	This paper	No	Electron density
O I	7774 Å	0.003	HF96	Yes	Extent of the post-shock PIR, O ionization state,
					reference for line ratios
[Si II]	34.81 $\mu$ m	0.07	This paper	Yes	Extent of the post-shock PIR
[S I]	25.25 $\mu$ m	<0.01	This paper	No	S⁰ abundance
[S II]	10 287-10 370 Å	0.11	HF96, GF01	Yes	Probable multi-T structure of the post-shock PIR
[Ar II]	6.985 $\mu$ m	0.5	This paper	Yes	Extent of the post-shock PIR, Ar ionization state
[Fe II]	1.2946 $\mu$ m	0.001	GF01	Yes	Electron density
	1.3209 $\mu$ m	0.0007	GF01	Yes	Electron density and temperature
	17.94 $\mu$ m	0.03	This paper	Yes	Electron temperature, extent of the post-shock PIR
	25.99 $\mu$ m	<0.15	This paper	No?	Electron temperature

^* An upper limit to the line intensity intensity (blended lines).
Note: references: HF96 - Hurford & Fesen (1996), GF01 - Gerardy & Fesen (2001).

Source LaTeX | All tables | In the text

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