The detached dust and gas shells around the carbon star U Antliae

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Volume 511 (February 2010)

A&A, 511 (2010) A37

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Table 2:

The results of decomposing the $P_{\rm sh}$ AARP data into shell brightness distributions.
Filter	Shell	R	$\Delta R$	$I_{{\rm peak}}$	$F_{{\rm tot}}$	pol. deg.
		[ $^{\prime \prime }$ ]	[ $^{\prime \prime }$ ]	[ $10^{-16}~{\rm erg~s^{-1}~cm^{-2}~\hbox{$^{\prime\prime}$ }^{-2}}$ ]	[ $10^{-13}~{\rm erg~s^{-1}~cm^{-2}}$ ]	[%]
Str y	3	43.6	1.9	1.6	2.4	23
	4	49.6	5.4	3.7	12.0	26
F59	3	43.4	2.4	0.3	0.5	8
	4	49.6	7.1	0.9	3.4	24
H $\alpha$	3	43.4	2.4	0.5	0.8	25
	4	49.8	7.1	2.0	7.1	33

Notes. The columns give the radius and FWHM of the Gaussian density distribution assumed for the shell (R and $\Delta R$ ), the peak intensity and total flux of the brightness distributions fitted to the data ( $I_{{\rm peak}}$ and $F_{{\rm tot}}$ ), and the peak polarisation degree at the position of the shells (pol. deg.).

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