TU Herculis: An algol type binary with a rapidly decreasing period

Details TU Herculis: An algol type binary with a rapidly decreasing period TU Herculis: An algol type binary with a rapidly decreasing period

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987cha%26a..11..124l&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 11, Issue 2, p. 124-128.

Astronomy and Astrophysics

Astrophysics

Stars: Binaries - Eclipsing - Period Change

Scientific paper

All available times of minima of TU Her were collected and analysed. The result shows that its period was decreasing rapidly between 1910 and 1977 at a rate of Δp/p≅-1.29(-8) ≅-10.41 s/yr. There were three possible abrupt period changes during this interval. We discuss the cause of the change in the period and suggest that it may be related to mass loss.

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