43 GHz SiO Masers and Astrometry with VERA in the Galactic Center

Details 43 GHz SiO Masers and Astrometry with VERA in the Galactic Center 43 GHz SiO Masers and Astrometry with VERA in the Galactic Center

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aspc..338..293s&link_type=abstract

Astrometry in the Age of the Next Generation of Large Telescopes, ASP Conference Series, Vol. 338, Proceedings of a meeting held

Astronomy and Astrophysics

Astronomy

Scientific paper

We present Very Large Array (VLA) observations of 43 GHz SiO (J=1→ 0, v=2 and v=1) maser emission in a sub-sample of late-type stars in the Inner Galaxy selected on their relatively strong (> 0.5 Jy) 86 GHz SiO masers, and located within 2.5° of the galactic center. Furthermore we combine these results with a summary of previous surveys for 43 GHz SiO masers in the galactic center and comment on their use as calibrators for the Japanese "VLBI Exploration of Radio Astrometry" (VERA) network, which is intended to perform sub-milli-arcsecond astrometry in the Galaxy and the galactic center.

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