Detection of the SiO J=2-1 v=1 maser emission at 86.2 GHz in V838 Mon, an unusual nova-like variable

Details Detection of the SiO J=2-1 v=1 maser emission at 86.2 GHz in V838 Mon, an unusual nova-like variable Detection of the SiO J=2-1 v=1 maser emission at 86.2 GHz in V838 Mon, an unusual nova-like variable

Mar 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.1996....1d&link_type=abstract

The Astronomer's Telegram, #1996

Astronomy and Astrophysics

Astronomy

2

Millimeter, Novae, Transients, Variables

Scientific paper

We report on a new detection of the SiO J=2-1 v=1 maser line at 86.243 GHz in V838 Mon. The observations were obtained on 2009 March 21--23 using the 45m telescope at Nobeyama with a newly built sensitive dual- polarization receiver. The maser line has a peak intensity of 0.39 Jy at Vlsr=53.7 km/s and exhibits a complex asymmetric pedestal with a stronger contribution at the lower velocity side; the total integrated intensity of the emission feature is of 2.8 Jy km/s.

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