COMPACT RADIO SOURCES APPARENTLY ASSOCIATED WITH EXTENDED GALACTIC SOURCES
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| Format: | Artículo científico |
| Language: | en |
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Universidad Nacional Autónoma de México
2010
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| _version_ | 1876456789116977152 |
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| author | Alfonso Trejo |
| author_facet | Alfonso Trejo |
| contents | COMPACT RADIO SOURCES APPARENTLY ASSOCIATED WITH EXTENDED GALACTIC SOURCES Alfonso Trejo Luis F. Rodríguez Física, Astronomía y Matemáticas 3) 3) 8+0 8+0 plan We report VLA radio observations of the 21 cm HI line toward two compact radio sources that could be associated with extended Galactic sources. In the case of the planetary nebula PHR 1735-333 we observed HI absorption against a non- thermal radio source recently discovered in the region, which was proposed to be physically associated with the planetary nebula. However, from the analysis of the HI absorption spectrum, we suggest a larger distance for this non-thermal source. In the case of the supernova remnant candidate SNR G3.8+0.3 we obtained HI absorption spectra towards it and towards a compact radio source located at its center. We conclude that SNR G3.8+0.3 is more distant than the compact radio source and that they are not physically associated. 2010 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57115522013 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Num.2 Vol.46 |
| format | Artículo científico |
| id | redalyc_57115522013 |
| institution | Redalyc |
| language | en |
| publishDate | 2010 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | COMPACT RADIO SOURCES APPARENTLY ASSOCIATED WITH EXTENDED GALACTIC SOURCES Alfonso Trejo Física, Astronomía y Matemáticas 3) 3) 8+0 8+0 plan COMPACT RADIO SOURCES APPARENTLY ASSOCIATED WITH EXTENDED GALACTIC SOURCES Alfonso Trejo Luis F. Rodríguez Física, Astronomía y Matemáticas 3) 3) 8+0 8+0 plan We report VLA radio observations of the 21 cm HI line toward two compact radio sources that could be associated with extended Galactic sources. In the case of the planetary nebula PHR 1735-333 we observed HI absorption against a non- thermal radio source recently discovered in the region, which was proposed to be physically associated with the planetary nebula. However, from the analysis of the HI absorption spectrum, we suggest a larger distance for this non-thermal source. In the case of the supernova remnant candidate SNR G3.8+0.3 we obtained HI absorption spectra towards it and towards a compact radio source located at its center. We conclude that SNR G3.8+0.3 is more distant than the compact radio source and that they are not physically associated. 2010 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57115522013 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Num.2 Vol.46 |
| title | COMPACT RADIO SOURCES APPARENTLY ASSOCIATED WITH EXTENDED GALACTIC SOURCES |
| topic | Física, Astronomía y Matemáticas 3) 3) 8+0 8+0 plan |
| url | https://www.redalyc.org/articulo.oa?id=57115522013 |