Infrared Identification of SiO Maser Sources Toward the SGR B2 Molecular Cloud

Details Infrared Identification of SiO Maser Sources Toward the SGR B2 Molecular Cloud Infrared Identification of SiO Maser Sources Toward the SGR B2 Molecular Cloud

Jan 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997nsro.rept.....d&link_type=abstract

Technical Report, NRO-441

Astronomy and Astrophysics

Astronomy

Masers, Imaging Techniques, Silicon Oxides, Infrared Astronomy Satellite, Infrared Radiation, Molecular Clouds, Infrared Lasers, Late Stars, Extinction, Dust

Scientific paper

J, H, and K imaging observations have been made to identify infrared counterparts for 6 new SiO maser sources toward the Sgr B2 molecular cloud. Only two of these 6 new sources were previously identified with known objects in other catalogues: one with an OH/IR object, another with an IRAS point source. With the imaging observations, we find infrared counterparts for four of the objects: #1, #2, #4 and #7. These are late-type stars nearby or near the Galactic center. The remaining two sources of which we could not find counterparts can be candidates of young stellar objects with SiO masers. However, it is highly possible that these two are late-type stars located behind the Galactic center molecular cloud, suffering from very high dust extinction.

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