ALMA observations of CO isotopologues towards six obscured post-asymptotic giant branch stars

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Volume 694 (February 2025)

A&A, 694 (2025) A222

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Table 1.

Parameters of the observations for each source.

Source	Beam	Noise level	MRS
	[FWHM and PA]	[mJy/beam]	[″]
GLMP 950	$1 \overset{″}{.} 09 \times 0 \overset{″}{.} 77$ $1{{\overset{\prime\prime}{.}}}09 \times 0{{\overset{\prime\prime}{.}}}77$ /−6°	2.5	10.4
GLMP 953	$1 \overset{″}{.} 00 \times 0 \overset{″}{.} 78$ $1{{\overset{\prime\prime}{.}}}00 \times 0{{\overset{\prime\prime}{.}}}78$ /−8°	2.5	9.8
AFGL 5385	$1 \overset{″}{.} 19 \times 0 \overset{″}{.} 63$ $1{{\overset{\prime\prime}{.}}}19 \times 0{{\overset{\prime\prime}{.}}}63$ /−87°	1.9	9.8
HD 187885	$0 \overset{″}{.} 93 \times 0 \overset{″}{.} 78$ $0{{\overset{\prime\prime}{.}}}93 \times 0{{\overset{\prime\prime}{.}}}78$ /−77°	1.9	8.0
Hen 3-1475	$1 \overset{″}{.} 22 \times 0 \overset{″}{.} 65$ $1{{\overset{\prime\prime}{.}}}22 \times 0{{\overset{\prime\prime}{.}}}65$ /−84°	1.6	10.0
M1-92	$1 \overset{″}{.} 10 \times 0 \overset{″}{.} 77$ $1{{\overset{\prime\prime}{.}}}10 \times 0{{\overset{\prime\prime}{.}}}77$ /−11°	2.2	10.3

Notes. The beam FWHM is an average value for the spectral window with lowest frequencies (between ∼219.44 GHz and ∼221.31 GHz) and the noise level in the spectral cube is given at a reference frequency of 221 GHz towards the position of the continuum peak.

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