VLA Observations of the "Eye of the Tornado"- the High Velocity \HII Region G357.63-0.06

Details VLA Observations of the "Eye of the Tornado"- the High Velocity \HII Region G357.63-0.06 VLA Observations of the "Eye of the Tornado"- the High Velocity \HII Region G357.63-0.06

2002-10-23

arxiv.org/abs/astro-ph/0210519v1

Astronomy and Astrophysics

Astrophysics

Latex, 14 pages including 4 figures. Accepted to AJ

Scientific paper

10.1086/345387

The unusual supernova remnant candidate G357.7-0.1 and the compact source G357.63-0.06 have been observed with the Very Large Array at 1.4 and 8.3 GHz. The H92$\alpha$ line (8.3 GHz) was detected from the compact source with a surprising velocity of about -210 km/s indicating that this source is an \HII region, is most likely located at the Galactic center, and is unrelated to the SNR. The \HI absorption line (1.4 GHz) data toward these sources supports this picture and suggests that G357.7-0.1 lies farther away than the Galactic center.

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