Search for aluminium monoxide in the winds of oxygen-rich AGB stars

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Volume 598 (February 2017)

A&A, 598 (2017) A53

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Table 1

Summary of AlO observations towards oxygen-rich AGB stars.


Source	Transition	Frequency^a	E_up/k	δν ^b	Rms noise	Peak	Int.	HPBW^c or	Telescope	Observing date
	N−N′	(MHz)	(K)	(MHz)	(Jy)	(Jy)	(Jy km s^-1)	Aperture (′′)


R Aqr	9−8	344 451.8	82.8	3.4	0.075^d	0.014^d	0.134^d	0.38 × 0.32	ALMA	21 May 2015
TX Cam	29−28	1 106 980.2	798.1	10.0	5.4	– ^e	– ^e	19	HIFI	1 Apr. 2011
R Cas	29−28	1 106 980.2	798.1	10.0	6.1	– ^e	– ^e	19	HIFI	9 Jun. 2010
o Cet	9−8	344 451.8	82.8	2.3	0.150^d	0.126^d	2.128^d	0.64 × 0.42	ALMA	25 Feb. 2014
										+ 3 May 2014
	29−28	1 106 980.2	798.1	7.5	6.7	22.0	138.2	19	HIFI	20 Jul. 2010
R Dor	5−4	191 399.2	27.6	1.8	0.15	– ^e	– ^e	34	APEX	22, 23 Nov. 2015
	6−5	229 670.3	38.7	2.4	0.17	– ^e	– ^e	29	APEX	15 Aug. 2014
										+ 2 Dec. 2014
	7−6	267 936.6	51.5	2.9	0.20	– ^e	– ^e	26	APEX	13 Jun. 2012
										+ 22 Nov. 2012
	8−7	306 197.3	66.2	3.3	0.21	– ^e	– ^e	21	APEX	17 Aug. 2014
										+ 29 Nov. 2014
	9−8	344 451.8	82.8	3.7	0.16	– ^e	– ^e	19	APEX	11 Nov. 2011
	29−28	1 106 980.2	798.1	7.5	7.8	19.1	83.7	19	HIFI	9 Jun. 2010
W Hya	20−19	764 603.1	385.6	7.5	3.5	8.5	98.2	27	HIFI	17 Jul. 2010
	29−28	1 106 980.2	798.1	7.5	6.7	20.5	71.3	19	HIFI	20 Jul. 2010
WX Psc	3−2	114 845.9	11.1	4.0	0.050	– ^e	– ^e	21	IRAM	17 Jan. 2010
	4−3	153 124.1	18.5	4.0	0.022	– ^e	– ^e	16	IRAM	17 Jan. 2010
	6−5	229 670.3	38.7	2.9	0.110	– ^e	– ^e	28	APEX	22 Sep. 2009
	20−19	764 603.1	385.6	10.0	3.5	– ^e	– ^e	27	HIFI	17 Jul. 2010
	29−28	1 106 980.2	798.1	10.0	6.1	– ^e	– ^e	19	HIFI	20 Jul. 2010
IK Tau	3−2	114 845.9	11.1	4.0	0.020	– ^e	– ^e	21	IRAM	22 Jan. 2010
	4−3	153 124.1	18.5	4.0	0.010	0.024	1.66	16	IRAM	14 May 2009
										+ 22, 26, 27
										Jan. 2010
	8−7	306 197.3	66.2	4.9	0.030	– ^e	– ^e	1 × 1	SMA	26 Jan. 2010
	9−8	344 451.8	82.8	4.9	0.026	0.098	2.33	1 × 1	SMA	21 Jan. 2010
	20−19	764 603.1	385.6	7.5	2.5	– ^e	– ^e	27	HIFI	7 Mar. 2010
	29−28	1 106 980.2	798.1	10.0	6.1	– ^e	– ^e	19	HIFI	4 Mar. 2010

Notes.

^(a)

Weighted average of hyperfine-component frequencies, weighted with the component strengths.

^(b)

Resolution at which the tabulated rms noise is measured.

^(c)

Half-power beam width of the telescope main beam.

^(d)

The rms noise and integrated intensity for the ALMA data are taken from the integrated-intensity maps. The appropriate units are hence also Jy beam^-1 km s^-1. The peak values were taken from the spectra in Figs. 6 and 7 and are in Jy beam^-1.

^(e)

We do not list peak or integrated intensities for non-detections.

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