Astronomy and Astrophysics – Astrophysics
Scientific paper
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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