SiO Maser Survey in Galactic Bulge Virtual Observatory Resource

Authors

1. Fujii T.
2. Deguchi S.
3. Ita Y.
4. Izumiura H.
5. Kameya O.
6. Miyazaki A.
7. Nakada Y.

Published by

CDS

Abstract

We surveyed 291 MSX/2MASS infrared objects in the 7{deg}x2{deg} area of the galactic center in the 43GHz SiO J=1-0 v=1 and 2 maser lines, obtaining accurate radial velocities of 163 detected objects. The surveyed area is the region where the IRAS catalog is incomplete due to contamination by high source density. The objects in the present MSX/2MASS sample were chosen to have similar infrared characteristics to those of the previous SiO-maser-survey samples based on the color-selected IRAS sources. The sampling based on the 2MASS catalog causes a bias to the foreside objects of the bulge due to heavy obscuration by interstellar dust; the detections considerably leaned on the V_lsr_<0 side.

Keywords

1. infrared-sources
2. astrophysical-masers
3. radio-astronomy
4. radio-sources
5. infrared-photometry

Bibliographic source Bibcode

2006PASJ...58..529F

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