On quasiperiodic microvariability of V 351 ORI

Details On quasiperiodic microvariability of V 351 ORI On quasiperiodic microvariability of V 351 ORI

Mar 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986afz....24..213k&link_type=abstract

(Astrofizika, vol. 24, Mar.-Apr. 1986, p. 213-225) Astrophysics (ISSN 0571-7132), vol. 24, no. 2, Sept. 1986, p. 123-130. Transl

Astronomy and Astrophysics

Astrophysics

1

Stellar Spectra, Variable Stars, Brightness Distribution, Power Spectra, Spectrum Analysis

Scientific paper

Variations of amplitude 0.1 mag or less and characteristic time 100-1000 s in the light of V 351 Ori are investigated, analyzing data from UB observations obtained with accumulation times 1, 3, 9, and 10 s at the 50-cm reflector of the Principal Astronomical Observatory during 1978-1983. The data are presented in tables and graphs, and a quasi-periodic component with greater amplitude in U than in B is detected. This variation has period 326 + or - 4 s and U amplitudes ranging from 0.06 mag when V 351 Ori is at normal light to 0.15 mag when V 351 Ori is at minimum light, 1.6 mag (V) below normal.

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