SiO maser emission toward 10 late-type stars (Kang+, 2006)

Details SiO maser emission toward 10 late-type stars (Kang+, 2006) SiO maser emission toward 10 late-type stars (Kang+, 2006)

Nov 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007ycat..21650360k&link_type=abstract

VizieR On-line Data Catalog: J/ApJS/165/360. Originally published in: 2006ApJS..165..360K

Astronomy and Astrophysics

Astronomy

Stars: Late-Type, Spectroscopy

Scientific paper

We present the results of simultaneous time monitoring observations of SiO J=2-1 and J=3-2 maser emission for 10 late-type stars (8 Mira variables, 1 OH/IR star, and 1 supergiant) with the 14m radio telescope at Taeduk Radio Astronomy Observatory from 1999 January to 2001 February. The SiO v=1, J=2-1 and J=3-2 maser emission was detected at almost all observational epochs. The SiO v=2, J=2-1 maser was detected from 4 late-type stars (VY CMa, R Cas, Cyg, R Leo) and the v=2, J=3-2 maser was detected from 7 stars (R Aqr, TX Cam, R Cas, Cyg, W Hya, R Leo, IK Tau). The v=3, J=2-1 and masers were also detected from Cyg and TX Cam, respectively. Based on these observational data, line profile and peak velocity variations with respect to stellar velocity, antenna temperatures, and their ratio variations as a function of optical phase of central star were investigated. Description:
(3 data files).

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