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The WC6 Wolf-Rayet star MLA 1159 in M31 and its ionization nebula BA 1-642 | J. Greiner
; G.H. Tovmassian
; S. Komossa
; M. Rosado
; A. Arrieta
; | Date: |
3 May 1999 | Subject: | astro-ph | Affiliation: | Astrophys. Inst. Potsdam, Germany), G.H. Tovmassian (UNAM Ensenada, Mexico), S. Komossa (MPE Garching, Germany), M. Rosado and A. Arrieta (both UNAM Ensenada, Mexico | Abstract: | We report on optical imaging and spectroscopic observations of the Wolf-Rayet candidate star MLA 1159 and the surrounding ionization nebula BA 1-642 in the Andromeda Galaxy. Though both objects have been known for many years, our observations (1) confirm the Wolf-Rayet nature of MLA 1159, (2) allow one to determine the nebula as an ionization nebula, and (3) demonstrate the association of MLA 1159 with the nebula. The supersoft X-ray source RX J0045.5+4206 whose error box encompasses the full nebula, seems to be a chance superposition and not related to MLA 1159 and/or BA 1-642. | Source: | arXiv, astro-ph/9905011 | Services: | Forum | Review | PDF | Favorites |
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