EXOSAT results on V426 Ophiuchi - Indications of a DQ Herculis system

Details EXOSAT results on V426 Ophiuchi - Indications of a DQ Herculis system EXOSAT results on V426 Ophiuchi - Indications of a DQ Herculis system

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...301l..29s&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 301, Feb. 1, 1986, p. L29-L33.

Astronomy and Astrophysics

Astrophysics

24

Binary Stars, Cataclysmic Variables, Exosat Satellite, White Dwarf Stars, X Ray Sources, Radial Velocity, Stellar Mass Accretion, Stellar Orbits, Stellar Rotation

Scientific paper

EXOSAT LE and ME data reveal a sinusoidal l hr modulation during the 6 hr binary orbit of the cataclysmic variable V426 Oph. The amplitude and shape of this modulation, the X-ray fluxes and spectrum, as well as the time scales involved argue for a DQ Her interpretation. In this case, the white dwarf in V426 Oph has the longest rotation period among the known DQ Her systems with orbital periods greater than 3 hr.

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