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RX J1313.2-3259, a long-period Polar discovered with ROSAT
H. -C. Thomas, K. Beuermann, V. Burwitz +2
We report observations of a new AM Herculis binary identified as the optical counterpart of the X-ray source RX J1313.2-3259, detected during the ROSAT All-Sky Survey (RASS). It ha…
Multi-epoch Doppler tomography and polarimetry of QQ Vul
A. D. Schwope, Maria S. Catalan, Klaus Beuermann +3
(abridged abstract) We present multi-epoch high-resolution spectroscopy and photoelectric polarimetry of the long-period polar (AM Herculis star) QQ Vul. The blue emission lines sh…
The isolated neutron star candidate RX J1605.3+3249
C. Motch, F. Haberl, F. -J. Zickgraf +2
We report on X-ray and optical observations of a ROSAT X-ray source, RX J1605.3+3249, selected from the all-sky survey on the basis of its spectral softness and lack of bright opti…
Zeeman lines and a single cyclotron line in the low-accretion rate polar 1RXS J012851.9-233931 (RBS0206)
A. D. Schwope, R. Schwarz, J. Greiner
We present a low-resolution discovery spectrum and CCD-photometry of the bright X-ray source 1RXS J012851.9-233931 found in the ROSAT All-Sky Survey. These first observations sugge…