116 citations · 116 across the 5 of their papers we have counts for
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astro-ph1999
RX J0537.7-7034: The shortest-period supersoft X-ray source
J. Greiner, M. Orio, R. Schwarz
We present new photometric and spectroscopic observations of the transient supersoft X-ray source RX J0537.7-7034 and find a periodicity of approximately 3.5 hrs. This establishes…
astro-ph1999
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…
astro-ph1999
The WC6 Wolf-Rayet star MLA 1159 in M31 and its ionization nebula BA 1-642
J. Greiner, G. H. Tovmassian, S. Komossa +2
We report on optical imaging and spectroscopic observations of the Wolf-Rayet candidate star MLA 1159 and the surrounding ionization nebula BA 1-642 in the Andromeda Galaxy. Though…