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Working Group

  • Members

    Vadim Burwitz (chair, ROSAT, Chandra, XMM,eROSITA)

    Jelle Kaastra (Chandra, Modeling)

    Herman Marshall (Chandra)

    Norbert Schulz (Chandra)

    Jeremy Drake (Chandra)

    Steve Sembay (XMM EPIC-MOS)
    Cor de Vries (XMM RGS)
    Vadim Burwitz (Chandra)

    Tadayasu Dotani, Eric Miller (Suzaku)

Isolated Neutron Stars

  • Objects
    RX J1856.5-3754
    PSR B0656+14

  • Data RX J1856.5-375
  • Instruments:
    • Chandra LETG + ACIS-S / HRC-S
    • XMM  EPIC-pn SW
    • SWIFT
    • Astrosat SXT
    • Hitomi
  • eROSITA calibration observations
    • 2019 09 13  80ksec to be done
    • 2019 09 24  80ksec to be done
    • 2020 03 11 - 04 22  80ksec after survey #1
  • Chandra LETGS+HRC-S observations
    •  500ks OBS_IDs: 00113  03380  03381  03382  03399

    • 120ks  OBS_IDs: 14418  15293

    • 172ks  OBS_IDs: 21693 21896 (will be obvserved in the context of eROSITA calibration)

  • Chandra LETG + ACIS-S

  • Models

RX J1856.5-3754 based on the CHANDRA LETGS + HRCS Data

      delchisqr = 1 ( = 1 sigma for 1 parameter)

    • tbabs*bbodyrad   

      chiqs = 692.6
      dof =1251
      chired = 0.55367
      nh = (7.24 +/- 0.34 ) * 1e19 cm-2
      kT = ( 62.38 +/- 0.38 ) eV
      norm = (1.580 +/- 0.064) * 1e5

    • phabs*bbodyrad   

      chiqs = 696.0
      dof =1251
      chired = 0.55636
      nh = (7.37 +/- 0.35 ) * 1e19 cm-2
      kT = ( 62.43 +/- 0.38 ) eV
      norm = (1.576 +/- 0.065) * 1e5




White Dwarfs

  • Objects
    HZ 43, Sirius B, GD 153
  • Missions
    EUVE, ROSAT, Chandra, XMM-Newton
  • Data
    • Chandra
      • HZ 43
      • Sirius B
      • GD 153
  • Results
    see papers

Papers

 


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