New radio continuum observations of the compact source projected inside NGC 6334A

A handful of HII regions are known to exhibit a compact radio source near their centers. The nature of these compact radio sources is not well established. We present the analysis of new as well as archival Very Large Array observations of the compact source projected near the center of the NGC 6334...

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Bibliographic Details
Published inRevista mexicana de astronomía y astrofísica Vol. 50; no. 1; pp. 03 - 06
Main Authors Rodríguez, Luis F., Masqué, Josep M., Dzib, Sergio A., Loinard, Laurent, Kurtz, Stanley E.
Format Journal Article
LanguagePortuguese
Published Instituto de Astronomía, UNAM 01.04.2014
Subjects
Astronomy & Astrophysics
ISM
HII regions
radio continuum
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Summary:A handful of HII regions are known to exhibit a compact radio source near their centers. The nature of these compact radio sources is not well established. We present the analysis of new as well as archival Very Large Array observations of the compact source projected near the center of the NGC 6334A HII region, part of the NGC 6334 complex. We show that the compact source is time variable on a scale of years and determine for one epoch a non-thermal spectrum, suggestive of synchrotron emission. We propose that this source could be the wind interaction region of a massive binary system that could be the ionizing source of NGC 6334A.
ISSN:0185-1101