BRITE photometry of seven B-type stars
Ernst Paunzen, Monika Rode-Paunzen (BEST)
TL;DR
This study analyzes seven B-type stars using BRITE satellite data, identifying rotational and binary variability, and places them in the Hertzsprung-Russell diagram to enhance understanding of their properties.
Contribution
First comprehensive time series analysis of these seven B-type stars with satellite data, including their placement in the Hertzsprung-Russell diagram and detection of variability.
Findings
Detection of rotational variability in HD 122980 (~80 days)
Identification of binary system HD 145502 (~5.6 days)
Stars' positions in the Hertzsprung-Russell diagram
Abstract
We present the time series analysis of seven B-type stars (HD 121790, HD 122980, HD 129116, HD 133242, HD 144294, HD 145482, and HD 145502) observed with the BRITE satellites. Furthermore, we located these stars in the Hertzsprung-Russell-diagram. One rotational induced variable (HD 122980, P~80 d) and one binary (HD 145502, P~5.6 d) showing variability due to ellipsoidal variation and/or reflection were detected.
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Taxonomy
TopicsStellar, planetary, and galactic studies · Astronomical Observations and Instrumentation · Astronomy and Astrophysical Research