Correlation of Successive Maxima in Mira, Chi Cygni, R Leonis, and R Hydrae

Details Correlation of Successive Maxima in Mira, Chi Cygni, R Leonis, and R Hydrae Correlation of Successive Maxima in Mira, Chi Cygni, R Leonis, and R Hydrae

Jun 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004javso..32...34s&link_type=abstract

The Journal of the American Association of Variable Star Observers, vol. 32, no. 1, p. 34-40

Physics

Mira, Chi Cygni, R Leonis, R Hydrae

Scientific paper

An anaylsis was done of the maxima of Mira, Chi Cygni, R Leonis, and R Hydrae, four Mira-type variable stars chosen from among those studied by Argelander in 1839. A negative correlation between the luminosity of consecuitve maxima was found, except for R Hya, M(i+1) - M(i) vs. M(i) yields a correlation index of r2 = 0.6 for Mira and Chi Cyg, r2 = 0.44 for R Leo, and r2 = 0.25 for R Hya. Data analyzed range from the discovery of Mira (1596) to the present time; they include AAVSO data, and there are from 90( RHya) to 179 (Mira Ceti) pairs of consecutive maxima.

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