Photometric observations of X Persei

Details Photometric observations of X Persei Photometric observations of X Persei

Jul 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976mnras.176..225c&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 176, July 1976, p. 225-231. Research supported by the Consiglio Naziona

Astronomy and Astrophysics

Astronomy

10

Astronomical Photometry, Ubv Spectra, Variable Stars, X Ray Stars, Absorption Spectra, Light Curve, Power Spectra, Statistical Analysis, Stellar Luminosity

Scientific paper

X Per has been studied photometrically in the U band with time resolutions of 1 and 0.5 s. Absorption features of duration of tens of seconds and depth of about 0.2-0.3 mag have been observed. Trains of these features occur with typical time scales of 60-70 s. Similar features have never been observed in comparison stars, but the possibility that the observed variability is atmospheric in origin cannot be definitely excluded.

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