Systematics of dwarf novae

Details Systematics of dwarf novae Systematics of dwarf novae

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.130....3w&link_type=abstract

(IAU, DFG, and Bayerisches Staatsministerium für Unterricht und Kultus, Colloquium on Cataclysmic Variables, Recent Multi-Freque

Astronomy and Astrophysics

Astrophysics

10

Dwarf Novae, Light Curve, Stellar Flares, Stellar Mass Accretion, Stellar Orbits, Accretion Disks, Correlation, Stellar Spectrophotometry

Scientific paper

From about 30 dwarf novae with the best determined distances the following relationships are found. (1) A tight correlation between absolute magnitude at maximum light, Mv(max), and orbital period, P. (2) A correlation between Mv(min) and P showing wide scatter. (3) A correlation between Mv(mean), the mean absolute magnitude averaged over normal outbursts, and P, again with wide scatter. The scatter is shown to correlate strongly with outburst timescale Tn. (4) A strong correlation between range, Mv(min) - Mv(max), and Tn (the Kukarkin-Parenago relationship). (5) A strong correlation between range Mv(mean) - Mv(max), and both Tn and P.

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