Narrow-band photometry of the magnetic star 53 Camelopardalis

Details Narrow-band photometry of the magnetic star 53 Camelopardalis Narrow-band photometry of the magnetic star 53 Camelopardalis

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983pazh....9..286b&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 9, May 1983, p. 286-290) Soviet Astronomy Letters (ISSN 0360-0327), vol. 9, May-June 19

Astronomy and Astrophysics

Astronomy

1

Magnetic Stars, Stellar Magnetic Fields, Stellar Spectrophotometry, Brightness, Field Strength, Line Spectra, Stellar Oscillations

Scientific paper

Variation of the radiation flux Δm of the magnetic star 53 Cam in relation to the comparison star HD 65301 within the spectral band Δλ = 30 Å centered at λ 4220 has been studied. Periodic variations of a complex form are present, which can be described by a sum of three simple sinusoids with periods P1 = 20.1400 ± 0.0001 min, P2 = 27.5828 ± 0.0001 min and P3 = 79.2381 ± 0.0001 min retaining in phase during more than a year. The amplitudes of each of the three oscillations vary with the star rotation phase. Variation of Δm with a period equal to that of rotation (8d.0267) is observed, correlating with variations of the effective magnetic field of the star.

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