Detection of a brief outburst from the intermediate polar V 1223 SGR

Details Detection of a brief outburst from the intermediate polar V 1223 SGR Detection of a brief outburst from the intermediate polar V 1223 SGR

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...219..195v&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 219, no. 1-2, July 1989, p. 195, 196.

Astronomy and Astrophysics

Astrophysics

25

Binary Stars, Dwarf Novae, Stellar Spectra, White Dwarf Stars, Emission Spectra, H Alpha Line, Light Curve, Spectral Line Width, Stellar Mass Accretion

Scientific paper

The detection of an outburst from the intermediate polar V 1223 Sgr, which lasted between 6 and 24 h and during which the optical flux increased by at least a factor 3, is reported. With respect to duration, amplitude, and spectral development, this outburst is very similar to outbursts previously observed from the intermediate polar TV Col. The same instability that gives rise to dwarf nova outbursts may cause brief outbursts in a system where the inner parts of the disk are absent.

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