Neutral hydrogen observations on Hii regions

Nine of the catalogued Hii regions in the southern hemisphere have been selected for correlation with neutral hydrogen observed at the 21 cm line. The radiotelescope used for the Hi line observations was the 30 m Carnegie telescope of the Instituto Argentino de Radioastronomía and the 56 channel, 10...

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Autores principales: Bajaja, E., Garzoli, S.L.
Formato: JOUR
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_0004640X_v24_n1_p65_Bajaja
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
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spelling todo:paper_0004640X_v24_n1_p65_Bajaja2023-10-03T14:02:50Z Neutral hydrogen observations on Hii regions Bajaja, E. Garzoli, S.L. Nine of the catalogued Hii regions in the southern hemisphere have been selected for correlation with neutral hydrogen observed at the 21 cm line. The radiotelescope used for the Hi line observations was the 30 m Carnegie telescope of the Instituto Argentino de Radioastronomía and the 56 channel, 10 KHz bandwidth receiver. The observational results are analyzed for each Hii region. They are compared with previous optical and radio results. For three of the nine observed regions it has been possible to find neutral hydrogen in absorption with similar velocities. In three cases absorption has been found but no component at the Hii region velocity is seen. Finally in three cases, it has not been possible to find any absorption at all. © 1973 D. Reidel Publishing Company. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_0004640X_v24_n1_p65_Bajaja
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description Nine of the catalogued Hii regions in the southern hemisphere have been selected for correlation with neutral hydrogen observed at the 21 cm line. The radiotelescope used for the Hi line observations was the 30 m Carnegie telescope of the Instituto Argentino de Radioastronomía and the 56 channel, 10 KHz bandwidth receiver. The observational results are analyzed for each Hii region. They are compared with previous optical and radio results. For three of the nine observed regions it has been possible to find neutral hydrogen in absorption with similar velocities. In three cases absorption has been found but no component at the Hii region velocity is seen. Finally in three cases, it has not been possible to find any absorption at all. © 1973 D. Reidel Publishing Company.
format JOUR
author Bajaja, E.
Garzoli, S.L.
spellingShingle Bajaja, E.
Garzoli, S.L.
Neutral hydrogen observations on Hii regions
author_facet Bajaja, E.
Garzoli, S.L.
author_sort Bajaja, E.
title Neutral hydrogen observations on Hii regions
title_short Neutral hydrogen observations on Hii regions
title_full Neutral hydrogen observations on Hii regions
title_fullStr Neutral hydrogen observations on Hii regions
title_full_unstemmed Neutral hydrogen observations on Hii regions
title_sort neutral hydrogen observations on hii regions
url http://hdl.handle.net/20.500.12110/paper_0004640X_v24_n1_p65_Bajaja
work_keys_str_mv AT bajajae neutralhydrogenobservationsonhiiregions
AT garzolisl neutralhydrogenobservationsonhiiregions
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