Search for Compact Extragalactic Radio Sources Near Massive Star Forming Regions

Details Search for Compact Extragalactic Radio Sources Near Massive Star Forming Regions Search for Compact Extragalactic Radio Sources Near Massive Star Forming Regions

2006-06-16

arxiv.org/abs/astro-ph/0606398v1

Astronomy and Astrophysics

Astrophysics

23 pages, lots of figures, accepted in ApJS

Scientific paper

10.1086/507112

We have used the Very Large Array to search for compact milliarcsecond-size radio sources near methanol masers in high-mass star-forming regions. Such sources are required for Very Long Baseline Interferometry phase-referencing observations. We conducted pointed observations of 234 compact sources found in the NVSS survey and find 92 sources with unresolved components and synchrotron spectral indexes. These sources are likely the cores of AGNs and, thus, good candidates for astrometric calibrators.

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