CO observations of water-maser post-asymptotic giant branch stars and detection of a high-velocity outflow in IRAS 15452–5459

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Table 1

Summary of the observations of IRAS 15452−5459 performed on 2009 October 16 (J = 3−2) and 2009 October 19 (J = 4−3).

Pointing	J = 3−2			J = 4−3
	Time	T _sys	rms	Time	T _sys	rms
	min	K	mK	min	K	mK

Northeast^a	2	444	125	8	847	89
Center	3.3	460	87	8	776	83
Southwest^b	0.7	444	213	8	798	80

Notes. The rms noise is calculated after smoothing the spectra to 0.63 and 2.4 km s^-1 for the J = 3−2 and J = 4−3 line, respectively.

^(a)

The north-east pointing was offset by 7′′ in RA and 7′′ in Dec.

^(b)

The south-west pointing was offset by −7′′ in RA and −7′′ in Dec.

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