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Cichowolski, S.; Suad, L.A.; Pineault, S.; Noriega-Crespo, A.; Arnal, E.M.; Flagey, N. "The infrared and molecular environment surrounding the Wolf-Rayet star WR 130" (2015) Monthly Notices of the Royal Astronomical Society. 450(4):3458-3471
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Abstract:

We present a study of the molecular CO gas and mid/far-infrared radiation arising from the environment surrounding the Wolf-Rayet (WR) star 130. We use the multiwavelength data to analyse the properties of the dense gas and dust, and its possible spatial correlation with that of young stellar objects (YSOs). We use 12CO J=1-0 data from the Five College Radio Astronomy Observatory survey as tracer of the molecular gas, and mid/far-infrared data from the recent Wide-Field Infrared Survey Explorer (WISE) and Herschel space surveys to study the dust continuum radiation and to identify a population of associated candidate YSOs. The spatial distribution of the molecular gas shows a ring-like structure very similar to that observed in the HI gas, and over the same velocity interval. The relative spatial distribution of the HI and CO components is consistent with a photodissociation region. We have identified and characterized four main and distinct molecular clouds that create this structure. Cold dust is coincident with the dense gas shown in the CO measurements. We have found several young stellar object candidates that lie along the regions with the highest gas column density, and suggest that they are spatially correlated with the shell. These are indicative of regions of star formation induced by the strong wind and ionization of the WR star. © 2015 The Authors.

Registro:

Documento: Artículo
Título:The infrared and molecular environment surrounding the Wolf-Rayet star WR 130
Autor:Cichowolski, S.; Suad, L.A.; Pineault, S.; Noriega-Crespo, A.; Arnal, E.M.; Flagey, N.
Filiación:Instituto de Astronomía y Física del Espacio (IAFE), CC 67, Suc. 28, Buenos Aires, 1428, Argentina
Instituto Argentino de Radioastronomía (CCT-La Plata, CONICET), CC 5, Villa Elisa, 1894, Argentina
Département de physique, De génie physique et d'optique, Université LavalQC G1V 0A6, Canada
Centre de Recherche en Astrophysique du Québec (CRAQ), Montréal, QC H3C 3J7, Canada
Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, United States
Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque s/n, La Plata, 1900, Argentina
Canada-France-Hawaii Telescope Corporation, 65-1238 Mamalahoa Hwy, Kamuela, HI 96743, United States
CONICET, Argentina
Palabras clave:HII regions; Infrared: ISM; ISM: bubbles; Stars: formation; Stars: individual: WR 130
Año:2015
Volumen:450
Número:4
Página de inicio:3458
Página de fin:3471
DOI: http://dx.doi.org/10.1093/mnras/stv826
Título revista:Monthly Notices of the Royal Astronomical Society
Título revista abreviado:Mon. Not. R. Astron. Soc.
ISSN:00358711
CODEN:MNRAA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00358711_v450_n4_p3458_Cichowolski

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Citas:

---------- APA ----------
Cichowolski, S., Suad, L.A., Pineault, S., Noriega-Crespo, A., Arnal, E.M. & Flagey, N. (2015) . The infrared and molecular environment surrounding the Wolf-Rayet star WR 130. Monthly Notices of the Royal Astronomical Society, 450(4), 3458-3471.
http://dx.doi.org/10.1093/mnras/stv826
---------- CHICAGO ----------
Cichowolski, S., Suad, L.A., Pineault, S., Noriega-Crespo, A., Arnal, E.M., Flagey, N. "The infrared and molecular environment surrounding the Wolf-Rayet star WR 130" . Monthly Notices of the Royal Astronomical Society 450, no. 4 (2015) : 3458-3471.
http://dx.doi.org/10.1093/mnras/stv826
---------- MLA ----------
Cichowolski, S., Suad, L.A., Pineault, S., Noriega-Crespo, A., Arnal, E.M., Flagey, N. "The infrared and molecular environment surrounding the Wolf-Rayet star WR 130" . Monthly Notices of the Royal Astronomical Society, vol. 450, no. 4, 2015, pp. 3458-3471.
http://dx.doi.org/10.1093/mnras/stv826
---------- VANCOUVER ----------
Cichowolski, S., Suad, L.A., Pineault, S., Noriega-Crespo, A., Arnal, E.M., Flagey, N. The infrared and molecular environment surrounding the Wolf-Rayet star WR 130. Mon. Not. R. Astron. Soc. 2015;450(4):3458-3471.
http://dx.doi.org/10.1093/mnras/stv826