High-resolution Very Large Array observations of 18 MIPSGAL bubbles

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dc.contributor.authorIngallinera, A
dc.contributor.authorTrigilio, C
dc.contributor.authorLeto, P
dc.contributor.authorUmana, G
dc.contributor.authorBuemi, C
dc.contributor.authorBufano, F
dc.contributor.authorAgliozzo, C
dc.contributor.authorRiggi, S
dc.contributor.authorFlagey, N
dc.contributor.authorSilva, K
dc.contributor.authorCerrigone, L
dc.contributor.authorCavallaro, F
dc.date.accessioned2017-03-09T19:46:14Z
dc.date.available2017-03-09T19:46:14Z
dc.date.issued2016-11
dc.descriptionIndexación: Web of Sciencees
dc.description.abstractWe present radio observations of 18 MIPSGAL bubbles performed at 5 GHz (6 cm) with the Karl G. Jansky Very Large Array in configuration B and BnA. The observations were aimed at understanding what kind of information high-resolution and high-sensitivity radio maps can supply on the circum-stellar envelopes of different kinds of evolved stars and what their comparison with infrared images with similar resolution can tell us. We found that the 18 bubbles can be grouped into five categories according to their radio morphology. The three bubbles presenting a central point source in the radio images all correspond to luminous blue variable star candidates. 11 bubbles show an elliptical shape and the total lack of a central object in the radio, and are likely associated with planetary nebulae. Under this assumption, we derive their distance, their ionized mass and their distribution on the Galactic plane. We discuss the possibility that the MIPSGAL bubbles catalogue (428 objects) may contain a large fraction of all Galactic planetary nebulae located at a distance between 1.4 kpc and 6.9 kpc and lying in the MIPSGAL field of view. Among the remaining bubbles, we identify also an H ii region and a proto-planetary nebula candidate.es
dc.description.urihttps://academic.oup.com/mnras/article-lookup/doi/10.1093/mnras/stw2053
dc.identifier.citationMon Not R Astron Soc (2016) 463 (1): 723-739es
dc.identifier.issn0035-8711
dc.identifier.otherhttps://doi.org/10.1093/mnras/stw2053
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/3054
dc.language.isoenes
dc.publisherOXFORD UNIV PRESSes
dc.subjectStars: evolutiones
dc.subjectStars: massivees
dc.subjectPlanetary nebulae: generales
dc.subjectRadio continuum: starses
dc.titleHigh-resolution Very Large Array observations of 18 MIPSGAL bubbleses
dc.typeArtículoes
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