The Mystery of the Hard X-ray Bright CV TW Pictoris
收藏ESA Earth Online2026-06-22 收录
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TW Pictoris is the optical counterpart of the HEAO1 Xray source H0534581 andhas been proposed as a candidate intermediate polar (IP). Yet optical and Xrayobservations have failed to reveal the spin modulation, the definingcharacteristic of an IP. If this is a nonmagnetic novalike variable instead,then it is by far the Xray brightest member of this class. We therefore proposean XMMNewton observation in an attempt to solve this mystery.
