Further photometric observations of 2A 0311-227

Details Further photometric observations of 2A 0311-227 Further photometric observations of 2A 0311-227

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...252..277w&link_type=abstract

Astrophysical Journal, Part 1, vol. 252, Jan. 1, 1982, p. 277-284.

Astronomy and Astrophysics

Astrophysics

6

Binary Stars, Fourier Analysis, Periodic Variations, Stellar Spectrophotometry, Ubv Spectra, White Dwarf Stars, Circular Polarization, Light Curve, Linear Polarization, Radiant Flux Density, Stellar Mass Accretion, Stellar Models, X Ray Sources

Scientific paper

Simultaneous V, B, and U photometry is presented for the AM Herculis type system 2A 0311-227. A Fourier analysis has failed to detect the 6 minute quasi-periodic oscillation reported earlier. It has, however, revealed the presence of oscillations at 20.2 and 13.7 minutes. These are interpreted in terms of a nonsinusoidal light curve. U, B, and V light curves are given and discussed in terms of current models for AM Her systems. B-V and U-B color curves are also presented, as is the behavior of the system in the color-color plane.

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