Chandra and FUSE spectroscopy of the hot bare stellar core H 1504+65 ⋆

@article{Werner2004ChandraAF,
  title={Chandra and FUSE spectroscopy of the hot bare stellar core H 1504+65 ⋆},
  author={K. Werner and T. Rauch and M. Barstow and J. Kruk},
  journal={Astronomy and Astrophysics},
  year={2004},
  volume={421},
  pages={1169-1183}
}
  • K. Werner, T. Rauch, +1 author J. Kruk
  • Published 2004
  • Physics
  • Astronomy and Astrophysics
  • H 1504+65 is an extremely hot hydrogen-deficient white dwarf with an effective temperature close to 200 000 K. We present new FUV and soft X-ray spectra obtained with FUSE and Chandra, which confirm that H 1504+65 has an atmosphere primarily composed of carbon and oxygen. The Chandra LETG spectrum (60 - 160A) shows a wealth of photospheric absorp- tion lines from highly ionized oxygen, neon, and - for the firs t time identified in this star - magnesium and suggests relati vely high Ne and Mg… CONTINUE READING
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