Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976evid.book.....k&link_type=abstract
Unknown
Astronomy and Astrophysics
Astrophysics
Astrophysics, Celestial Bodies, Eclipsing Binary Stars, Stellar Radiation, Gamma Rays, Light Curve, X Rays
Scientific paper
Analysis of All-Sky Monitor observations of Cir X-1 (3U1516-56) over the period October 1975 - April 1976 revealed a well-defined modulation of the 3-6 keV flux at a period of 16.585 + or - 0.01. The light-curve is characterized by an abrupt drop in emission occurring on a timescale of 0.07, with epoch JD 2,442,877.181 + or - 0.07. No clear correspondingly sharp increase in emission is observed during the cycle, so that a noneclipse origin for this effect cannot be ruled out.
Boldt Elihu A.
Holt Stephen S.
Kaluzienski L. J.
Serlemitsos Peter J.
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