352 citations · 3k across the 88 of their papers we have counts for
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astro-ph.HE2017★ 9 cited
A precessing Be disk as a possible model for occultation events in GX 304-1
Matthias Kühnel, Richard E. Rothschild, Atsuo T. Okazaki +14
We report on the RXTE detection of a sudden increase in the absorption column density, , during the 2011 May outburst of GX 304-1. The increased up to…
astro-ph.HE2017★ 60 cited
Luminosity-dependent changes of the cyclotron line energy and spectral hardness in Cep X-4
V. Vybornov, D. Klochkov, M. Gornostaev +5
X-ray spectra of accreting pulsars are generally observed to vary with their X-ray luminosity. In particular, the hardness of the X-ray continuum is found to depend on luminosity.…