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| Paper: |
XMM-Newton Confirmation of the Intermediate Polar HTCam |
| Volume: |
330, The Astrophysics of Cataclysmic Variables and Related Objects |
| Page: |
403 |
| Authors: |
de Martino, D.; Matt, G.; Mukai, K.; Bonnet-Bidaud, J.M.; Gansicke, B.T.; Haberl, F.; Mouchet, M. |
| Abstract: |
The X-ray source RX J0757+63 = HT Cam was proposed to be an Intermediate Polar (IP) from its 515 s photometric period (Tovmassian et al. 1998; Kemp et al. 2002). With a 86 min orbital period it was candidate as the third IP below the period gap. We report on the first X-ray XMM-Newton observation. The strong 514.6±0.2 s X-ray modulation definitively confirms HTCam as an IP and that the X-ray period is the spin period of the accreting white dwarf (WD). HTCam has a multi-temperature spectrum and, contrary to most IPs, it does not suffer from strong absorption. |
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