UBV photometry of X-ray system with M2 III type red giant V934 her (4U 1700+24)

Details UBV photometry of X-ray system with M2 III type red giant V934 her (4U 1700+24) UBV photometry of X-ray system with M2 III type red giant V934 her (4U 1700+24)

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012astbu..67...73g&link_type=abstract

Astrophysical Bulletin, Volume 67, Issue 1, pp.73-81

Astronomy and Astrophysics

Astrophysics

X-Rays: Binaries, Stars: Late-Type, Stars: Neutron, Stars: Individual: V934 Her (4U 1700+24)

Scientific paper

V934 Her is a detached system, consisting of a cool giant and a neutron star. The neutron star accretes matter fromthe stellarwind of the giant.Multicolor photoelectric observationsmade in 1997-2011 revealed a 415-day period, close to that, discovered spectroscopically from radial velocities. This period is considered to be the orbital period of orbital motion of the neutron star around the red giant. The wave with this period in the U-band has the largest amplitude 0m.12. We also detected multiperiodic pulsations of the red giant. The light curve in the V -band is dominated by a pulsation wave with the period of 28.82 days and the amplitude of 0m.10.

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