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1990ApJ...348..634S - Astrophys. J., 348, 634-640 (1990/January-1)
Temporal behavior of Hercules X-1: the long-term variability of its pulse profile and the 35 day X-ray intensity modulation.
SOONG Y., GRUBER D.E., PETERSON L.E. and ROTHSCHILD R.E.
Abstract (from CDS):
Abstract Copyright: ∼
Journal keyword(s): Stars: Individual Constellation Name: Hercules X-1 - Stars: Neutron - X-Rays: Binaries
Simbad objects: 1
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