Other
Scientific paper
Jul 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apjs...81..321s&link_type=abstract
Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 81, no. 1, July 1992, p. 321-333. Research supported by FONDECYT
Other
25
Cataclysmic Variables, Novae, Stellar Mass Ejection, Stellar Spectrophotometry, Dwarf Stars, Fourier Transformation, Light Curve, Stellar Magnitude, Stellar Orbits
Scientific paper
The paper presents 1713 photometric measurements of T Pyx from 1966 to 1990. The light curve of T Pyx shows roughly sinusoidal variations with a typical amplitude of 0.09 mag and a time scale of 2 hr. Discrete Fourier transforms of data from individual nights and runs reveal a highly significant periodic modulation. This modulation is proven to be coherent only on time scales shorter than from 6 d to under 1 d. The present period for the modulation is 0.07616 +/- 0.00017 d. Since other stars have variable photometric periods (possibly related to the superhump phenomenon) which are slightly different from the orbital period, an orbital period of about 0.073 d for T Pyx is suggested.
Bond Howard E.
Buckley David
Landolt Arlo U.
Schaefer Bradley E.
Vogt Nikolaus
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