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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/1627
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dc.contributor.authorOmar, A.-
dc.contributor.authorChengalur, J.N.-
dc.contributor.authorRoshi, Anish D.-
dc.date.accessioned2006-12-28T10:30:22Z-
dc.date.available2006-12-28T10:30:22Z-
dc.date.issued2002-11-
dc.identifier.citationAstronomy and Astrophysics, 2002, Vol.395, p227-232en
dc.identifier.issn0004-6361-
dc.identifier.urihttp://hdl.handle.net/2289/1627-
dc.description.abstractWe present radio continuum images of three Galactic H Ii regions, S 201, S 206, and S 209 near 232, 327, and 610 MHz using the Giant Meterwave Radio Telescope (GMRT). The GMRT has a mix of short and long baselines, therefore, even though the data have high spatial resolution, the maps are still sensitive to diffuse extended emission. We find that all three H Ii regions have bright cores surrounded by diffuse envelopes. We use the high resolution afforded by the data to estimate the electron temperatures and emission measures of the compact cores of these H Ii regions. Our estimates of electron temperatures are consistent with a linear increase of electron temperature with Galacto-centric distance for distances up to ~ 18 kpc (the distance to the most distant H Ii region in our sample).en
dc.format.extent1276761 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherEDP Sciencesen
dc.relation.urihttp://arxiv.org/abs/astro-ph/0209133en
dc.relation.urihttp://dx.doi.org/10.1051/0004-6361:20021302en
dc.rights(2002) by the European Southern Observatory (ESO).en
dc.subjectISM: HII regionsen
dc.subjectISM: individual objects: S 201, S 206, S 209 – radio continuum: ISMen
dc.titleMulti-frequency GMRT observations of the H II regions S 201, S 206, and S 209. Galactic temperature gradienten
dc.typeArticleen
Appears in Collections:Research Papers (A&A)

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