Properties of the optical 2-second oscillations in E14050-451

Details Properties of the optical 2-second oscillations in E14050-451 Properties of the optical 2-second oscillations in E14050-451

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.130..187l&link_type=abstract

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

Astronomy and Astrophysics

Astrophysics

5

Binary Stars, Stellar Color, Stellar Oscillations, Variable Stars, White Dwarf Stars, Magnetic Stars, Red Dwarf Stars, Spectral Energy Distribution, Stellar Spectrophotometry

Scientific paper

The AM Her type system E1405-451 is known to show 1 - 3 second variability in its optical emission. The author's observations show this variability to be due to quasi-periodic oscillations with a coherence time on the order of one minute. The observations also reveal variations in the color of the oscillating light source. These variations are difficult to explain with present cyclotron emission models.

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