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- 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)
- 2019 09 13 80ksec to be done
- 2019 09 24 80ksec to be done
- 2020 03 11 - 04 22 80ksec after survey #1
Chandra LETG + ACIS-S
- Models
RX J1856.5-3754 based on the CHANDRA LETGS + HRCS Data
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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) * 1e5phabs*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
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