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1 results

  • Spectral analysis of PG 1034+001, the exciting star of Hewett 1

  • Marin Mahsereci, Ellen Ringat, Thomas Rauch, Klaus Werner, Jeffrey W. Kruk
  • Journal:
    Proceedings of the International Astronomical Union / Volume 7 / Issue S283 / July 2011
    Published online by Cambridge University Press:
    30 August 2012, pp. 426-427
    Print publication:
    July 2011
    • Article
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  • PG 1034+001 is an extremely hot, helium-rich DO-type star that excites the planetary nebula Hewett 1 and large parts of the surrounding interstellar medium. We present preliminary results of an ongoing spectral analysis by means of non-LTE model atmospheres that consider most elements from hydrogen to nickel. This analysis is based on high-resolution ultraviolet (FUSE, IUE) and optical (VLT/UVES, Keck) data. The results are compared with those of PG 1034+001's spectroscopic twin, the DO star PG 0038+199.