The structure and kinematics of the ISM around HD 192281

<b>Aims.</b> This work aims at investigating the interaction of HD 192281 (O5 Vn((f))p) with its local ISM. The purpose is to analyse the effects that a massive star has on the structure and kinematics of its surrounding gas. <b>Methods.</b> To carry out this study, we used...

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Autores principales: Arnal, Edmundo Marcelo, Cichowolski, Silvina, Pineault, Serge, Testori, Juan Carlos, Cappa, Cristina Elisabet
Formato: Articulo
Lenguaje:Inglés
Publicado: 2011
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Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/84044
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id I19-R120-10915-84044
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Astronómicas
ISM: bubbles
ISM: structure
outflows
Stars: individual: HD 192281
Stars: mass-loss
Stars: winds
spellingShingle Ciencias Astronómicas
ISM: bubbles
ISM: structure
outflows
Stars: individual: HD 192281
Stars: mass-loss
Stars: winds
Arnal, Edmundo Marcelo
Cichowolski, Silvina
Pineault, Serge
Testori, Juan Carlos
Cappa, Cristina Elisabet
The structure and kinematics of the ISM around HD 192281
topic_facet Ciencias Astronómicas
ISM: bubbles
ISM: structure
outflows
Stars: individual: HD 192281
Stars: mass-loss
Stars: winds
description <b>Aims.</b> This work aims at investigating the interaction of HD 192281 (O5 Vn((f))p) with its local ISM. The purpose is to analyse the effects that a massive star has on the structure and kinematics of its surrounding gas. <b>Methods.</b> To carry out this study, we used high-resolution radio continuum and 21-cm H i line data from the Canadian Galactic Plane Survey (CGPS). This data base was complemented with radio continuum, infrared, and molecular data retrieved from available surveys. Given that HD 192281 is very likely a runaway star, we attempt to establish whether the observed H i distribution can be interpreted in terms of a simple bow shock model. <b>Results.</b> Analysis of the H i data shows the presence of an H i feature likely to be associated with HD 192281. This feature remains detectable from ~5 to-10 km s-1. At the most negative radial velocities, the shape of the H i feature is highly reminiscent of a bow shock structure seen projected onto the plane of the sky. This feature has counterparts at radio-continuum, infrared, and CO emissions. The analysis of the radio continuum data suggests a thermal spectrum for the gas related to this structure.
format Articulo
Articulo
author Arnal, Edmundo Marcelo
Cichowolski, Silvina
Pineault, Serge
Testori, Juan Carlos
Cappa, Cristina Elisabet
author_facet Arnal, Edmundo Marcelo
Cichowolski, Silvina
Pineault, Serge
Testori, Juan Carlos
Cappa, Cristina Elisabet
author_sort Arnal, Edmundo Marcelo
title The structure and kinematics of the ISM around HD 192281
title_short The structure and kinematics of the ISM around HD 192281
title_full The structure and kinematics of the ISM around HD 192281
title_fullStr The structure and kinematics of the ISM around HD 192281
title_full_unstemmed The structure and kinematics of the ISM around HD 192281
title_sort structure and kinematics of the ism around hd 192281
publishDate 2011
url http://sedici.unlp.edu.ar/handle/10915/84044
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