Radio detection of nebulae around four luminous blue variable stars in the Large Magellanic Cloud

C. Agliozzo, G. Umana, C. Trigilio, C. Buemi, P. Leto, A. Ingallinera, T. Franzen, A. Noriega-Crespo

Resultado de la investigación: Article

7 Citas (Scopus)

Resumen

The nebulae associated with four luminous blue variables (LBVs) in the Large Magellanic Cloud (LMC) have been observed at 5.5 and 9GHz using the Australia Telescope Compact Array, and radio emission has been detected for first time in sources R127, R143, S61 and S119. The radio maps of the nebulae have an angular resolution of ∼1.5arcsec and a sensitivity of 1.5-3.0 × 10 -2mJybeam -1 and show a very similar morphology to that observed in Hα. This similarity permits us to assume that the Hα emission is not affected by strong intrinsic extinction due to dust within the nebulae. We estimate the masses of ionized gas in the LBV nebulae and find values consistent with those measured in Galactic LBVs.

Idioma originalEnglish
Páginas (desde-hasta)181-186
Número de páginas6
PublicaciónMonthly Notices of the Royal Astronomical Society
Volumen426
N.º1
DOI
EstadoPublished - 11 oct 2012

Huella dactilar

blue stars
variable stars
Magellanic clouds
nebulae
radio
extinction
dust
ionized gases
radio emission
angular resolution
gas
telescopes
detection
sensitivity
estimates

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Citar esto

Agliozzo, C. ; Umana, G. ; Trigilio, C. ; Buemi, C. ; Leto, P. ; Ingallinera, A. ; Franzen, T. ; Noriega-Crespo, A. / Radio detection of nebulae around four luminous blue variable stars in the Large Magellanic Cloud. En: Monthly Notices of the Royal Astronomical Society. 2012 ; Vol. 426, N.º 1. pp. 181-186.
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abstract = "The nebulae associated with four luminous blue variables (LBVs) in the Large Magellanic Cloud (LMC) have been observed at 5.5 and 9GHz using the Australia Telescope Compact Array, and radio emission has been detected for first time in sources R127, R143, S61 and S119. The radio maps of the nebulae have an angular resolution of ∼1.5arcsec and a sensitivity of 1.5-3.0 × 10 -2mJybeam -1 and show a very similar morphology to that observed in Hα. This similarity permits us to assume that the Hα emission is not affected by strong intrinsic extinction due to dust within the nebulae. We estimate the masses of ionized gas in the LBV nebulae and find values consistent with those measured in Galactic LBVs.",
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Agliozzo, C, Umana, G, Trigilio, C, Buemi, C, Leto, P, Ingallinera, A, Franzen, T & Noriega-Crespo, A 2012, 'Radio detection of nebulae around four luminous blue variable stars in the Large Magellanic Cloud', Monthly Notices of the Royal Astronomical Society, vol. 426, n.º 1, pp. 181-186. https://doi.org/10.1111/j.1365-2966.2012.21791.x

Radio detection of nebulae around four luminous blue variable stars in the Large Magellanic Cloud. / Agliozzo, C.; Umana, G.; Trigilio, C.; Buemi, C.; Leto, P.; Ingallinera, A.; Franzen, T.; Noriega-Crespo, A.

En: Monthly Notices of the Royal Astronomical Society, Vol. 426, N.º 1, 11.10.2012, p. 181-186.

Resultado de la investigación: Article

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T1 - Radio detection of nebulae around four luminous blue variable stars in the Large Magellanic Cloud

AU - Agliozzo, C.

AU - Umana, G.

AU - Trigilio, C.

AU - Buemi, C.

AU - Leto, P.

AU - Ingallinera, A.

AU - Franzen, T.

AU - Noriega-Crespo, A.

PY - 2012/10/11

Y1 - 2012/10/11

N2 - The nebulae associated with four luminous blue variables (LBVs) in the Large Magellanic Cloud (LMC) have been observed at 5.5 and 9GHz using the Australia Telescope Compact Array, and radio emission has been detected for first time in sources R127, R143, S61 and S119. The radio maps of the nebulae have an angular resolution of ∼1.5arcsec and a sensitivity of 1.5-3.0 × 10 -2mJybeam -1 and show a very similar morphology to that observed in Hα. This similarity permits us to assume that the Hα emission is not affected by strong intrinsic extinction due to dust within the nebulae. We estimate the masses of ionized gas in the LBV nebulae and find values consistent with those measured in Galactic LBVs.

AB - The nebulae associated with four luminous blue variables (LBVs) in the Large Magellanic Cloud (LMC) have been observed at 5.5 and 9GHz using the Australia Telescope Compact Array, and radio emission has been detected for first time in sources R127, R143, S61 and S119. The radio maps of the nebulae have an angular resolution of ∼1.5arcsec and a sensitivity of 1.5-3.0 × 10 -2mJybeam -1 and show a very similar morphology to that observed in Hα. This similarity permits us to assume that the Hα emission is not affected by strong intrinsic extinction due to dust within the nebulae. We estimate the masses of ionized gas in the LBV nebulae and find values consistent with those measured in Galactic LBVs.

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