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Photometry of TT Arietis

Published online by Cambridge University Press:  12 April 2016

I. Semeniuk
Affiliation:
Warsaw University Observatory, Warsaw, Poland
A. Schwarzenberg-Czerny
Affiliation:
Warsaw University Observatory, Warsaw, Poland
H. Duerbeck
Affiliation:
Astronomical Institute, University of Münster, Münster, F.R.G.
M. Hoffmann
Affiliation:
Astronomical Institute, University of Münster, Münster, F.R.G.
J. Smak
Affiliation:
N. Copernicus Astronomical Center, Polish Academy of Sciences, Warsaw, Poland
K. Stepień
Affiliation:
Warsaw University Observatory, Warsaw, Poland
J. Tremko
Affiliation:
Astronomical Institute, Slovak Academy of Sciences, Skalnate Plesno, Czechoslovakia

Abstract

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An analysis of data spanning 24 years shows that a secondary 20m periodicity is a persistent feature in photometric observations of TT Ari. This period decreases from 27m in 1961 to 17m in 1985. The 4d beat period of photometric and spectroscopic periods is also apparent in observations of 1966.

Type
II. Radio, IR and Optical Observations
Copyright
Copyright © Reidel 1987

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