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Catalog Service:
UV spectrum of eta Car

Short name: J/ApJS/157/138
IVOA Identifier: ivo://CDS.VizieR/J/ApJS/157/138
DOI (Digital Object Identifier): 10.26093/cds/vizier.21570138
Publisher: CDS[+][Pub. ID]
More Info: http://cdsarc.unistra.fr/cgi-bin/cat/J/ApJS/157/138
VO Compliance: Level 2: This is a VO-compliant resource.
Status: active
Registered: 2005 Nov 24 20:21:19Z
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Description


We have investigated the far- through mid-UV (1150-2360{AA}) spectrum of {eta} Carinae during the late stages of its broad maximum using the Hubble Space Telescope (HST) Space Telescope Imaging Spectrograph (STIS) moderate dispersion echelle modes. The {eta} Car spectrum is a mixture of absorption and emission lines from the surrounding nebula superimposed on broad stellar wind features. This paper provides a description of the observed spectrum including the wind features, the interstellar absorption, and the emission spectrum from the surrounding nebula, but with the emphasis on the absorption spectrum formed in the foreground ejecta. The ejecta absorption spectrum has a complicated velocity structure in which two velocity structures, at -146 and -513km/s, are easily distinguished.The complete spectrum, with nebular and interstellar line identifications, is available in the electronic edition of the paper.

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