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XMM-Newton RGS spectrum of RX J0720.4-3125: An absorption feature at 0.57 keV
V. Hambaryan, R. Neuhäuser, F. Haberl +2
We found a narrow absorption feature at 0.57keV in the co-added RGS spectrum of the isolated neutron star RX J0720.4-3125 with an equivalent width of 1.35+/-0.3eV and FWHM ~6.0eV.…
Hunting high and low: XMM monitoring of the eclipsing polar HU Aquarii
R. Schwarz, A. D. Schwope, J. Vogel +5
We want to study the temporal and spectral behaviour of HU Aqr in the X-ray domain during different accretion states. We obtained spectra and light curves from four different XMM-N…
Post common envelope binaries from SDSS. IV: SDSSJ121258.25-012310.1, a new eclipsing system
A. Nebot Gómez-Morán, A. D. Schwope, M. R. Schreiber +8
From optical photometry we show that SDSSJ121258.25-012310.1 is a new eclipsing, post common-envelope binary with an orbital period of 8.06 hours and an eclipse length of 23 minute…