The nature of the nebula associated with the luminous blue variable star WRA 751

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Hutsemekers, Damien; van Drom, E.;
  • Subject: H II REGIONS | NEBULAE | STELLAR MASS EJECTION | : Aérospatiale, astronomie & astrophysique [Physique, chimie, mathématiques & sciences de la terre] | SUPERGIANT STARS | OXYGEN SPECTRA | : Space science, astronomy & astrophysics [Physical, chemical, mathematical & earth Sciences] | FORBIDDEN TRANSITIONS | STELLAR LUMINOSITY | NITROGEN IONS | VARIABLE STARS | H ALPHA LINE | BLUE STARS
    arxiv: Astrophysics::High Energy Astrophysical Phenomena | Astrophysics::Cosmology and Extragalactic Astrophysics | Astrophysics::Galaxy Astrophysics | Astrophysics::Earth and Planetary Astrophysics | Astrophysics::Solar and Stellar Astrophysics

Narrow-band filter imagery as well as medium to high resolution spectroscopy of the nebula surrounding the luminous blue variable (LBV) star WRA 751 are presented. The nebula appears as a slowly expanding H II region of low excitation characterized by a significant N/O ... View more
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