Identification of V1017 SGR as a cataclysmic variable binary system with unusually long period

Details Identification of V1017 SGR as a cataclysmic variable binary system with unusually long period Identification of V1017 SGR as a cataclysmic variable binary system with unusually long period

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992natur.358..563s&link_type=abstract

Nature (ISSN 0028-0836), vol. 358, no. 6387, Aug. 13, 1992, p. 563-565.

Other

15

Binary Stars, Cataclysmic Variables, Stellar Orbits, Novae, Radial Velocity

Scientific paper

A preliminary spectroscopic orbit determination with period 5.7 days is reported for V1017 Sgr, the remnant of nova Sagittarii 1919. This is much longer than the typical periods of cataclysmic binaries, which are generally less than 0.5 day. It is suggested that V1017 Sgr, along with a few other systems of unusually long period such as BV Cen and GK Per, may form a distinct class of cataclysmic variables characterized by their larger, more resolved secondaries.

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