Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26as..103..107h&link_type=abstract
Astronomy and Astrophysics Suppl. 103, 107-120 (1994)
Astronomy and Astrophysics
Astrophysics
22
Scientific paper
The detection of 74 new southern stellar SiO, v=1, J=2->1 masers associated with IRAS point sources is reported. 57 of these were found in an IRAS based survey of oxygen rich stellar envelopes. The detection rate in this survey was 45%. 17 further new maser sources were detected during a search for strong pointing sources for the Swedish-ESO Submillimeter Telescope (SEST). The distribution of the IRAS low resolution spectral (LRS) classes of all the SiO masers (this paper and literature) peaks sharply at class 15. The distribution of the LRS classes of the maser sources from 21 to 29 is similar to the distribution of these classes of all the point sources in the point source catalogue except for class 25. Only few maser sources of this spectral class are known. This is possibly explained by a selection effect.
Forsstroem V.
Haikala Lauri K.
Nyman L.-AA.
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