White Dwarfs

WDs standard candle working group

• Members
  Vadim Burwitz (chair, ROSAT, Chandra, XMM)
  Frank Haberl (ROSAT, XMM)
  Jelle Kaastra (Chandra, Modeling)
  Herman Marshall (Chandra)
  Norbert Schulz (Chandra)
  Jeremy Drake (Chandra)

• Objects
  HZ 43, Sirius B, GD 153

• Missions
  EUVE, ROSAT, Chandra, XMM-Newton

• Data
  • Chandra
    • HZ 43
    • Sirius B
    • GD 153
      110ks LETG accepted for observation Cycle 11

• Results
  see papers

• Papers
  http://cdsads.u-strasbg.fr/abs/2006A%26A...458..541B Beuermann, K., Burwitz, V., Rauch, T. 2006: ''Establishing HZ43 A, Sirius B, and RX J185635-3754 as soft X-ray standards: a cross-calibration between the Chandra LETG+HRC-S, the EUVE spectrometer, and the ROSAT PSPC'', A&A 458,541
  http://cdsads.u-strasbg.fr/abs/2008HEAD...10.0406K Kaastra, J. S., Lanz, T., Hubeny, I., Paerels, F. 2008: ''Establishing HZ43 A, Sirius B, and RX J185635-3754 as soft X-ray standards: a cross-calibration between the Chandra LETG+HRC-S, the EUVE spectrometer, and the ROSAT PSPC'', HEAD 10.0406
  http://cdsads.u-strasbg.fr/abs/2008A%26A...481..807R Rauch, T. 2008, ''Uncertainties in (E)UV model atmosphere fluxes'', A&A 481, 807
  http://cdsads.u-strasbg.fr/abs/2006A%26A...458..541B Kaastra, J. S., Lanz, T.. Hubeny, I.. Paerels, F. B. S. 2009, ''Effective area calibration of the reflection grating spectrometers of XMM-Newton. II. X-ray spectroscopy of DA white dwarfs'', A&A 497, 311