31.4 day periodicity in Cyg X-3 ASM-data: evidence for a tertiary body or precessing disc ?

Details 31.4 day periodicity in Cyg X-3 ASM-data: evidence for a tertiary body or precessing disc ? 31.4 day periodicity in Cyg X-3 ASM-data: evidence for a tertiary body or precessing disc ?

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3325....1v&link_type=abstract

The Astronomer's Telegram, #3325

Astronomy and Astrophysics

Astronomy

X-Ray, Binary, Black Hole, Neutron Star, Star, Variables

Scientific paper

The X-ray/gamma-ray activity of the microquasar Cygnus X-3 has been reported in several recent ATELs: #2644 (INTEGRAL), #2645 and #3239 (AGILE), #2646 and #3233 (Fermi LAT). Here we report the finding of a periodic change in the X-ray light curve minimum time (Observed-Computed, O-C) using RXTE/ASM soft X-ray data. The ASM data consisted of 97450 dwell datapoints taken during 5374 days (up to October 2010).

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