Massive Star Formation Near the Supernova Remnant W30

Astronomy and Astrophysics – Astronomy

Scientific paper

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H Ii Regions, Radio Continuum: Ism, Stars: Formation, Supernova Remnants

Scientific paper

We present arcsecond-resolution 6 cm continuum observations of potential massive-star formation sites in the vicinity of the W30 supernova remnant. Nine sources are detected, several of which could be ultracompact H II regions. One of these, G8.139-0.026 has a cometary morphology. Of the eight IRAS sources observed, only three have nearby (< 1') radio continuum sources. The low detection rate of continuum counterparts for the IRAS sources suggests that this relatively young supernova remnant may have initiated massive star formation, as indicated by the presence of infrared sources, but there has been insufficient time for the formation process to finish, as indicated by the dearth of radio continuum sources.

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