Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976a%26a....49..235g&link_type=abstract
Astronomy and Astrophysics, vol. 49, no. 2, June 1976, p. 235-237.
Astronomy and Astrophysics
Astrophysics
12
Companion Stars, Variable Stars, White Dwarf Stars, X Ray Sources, Nuclear Energy, Shock Waves, X Ray Stars
Scientific paper
The X-ray source 3U 0352 plus 30 is studied, assuming that its optical counterpart is the irregular star X Persei. The X-ray source would then be one of the least luminous of the Uhuru Catalog. An orbital period of 22 h for the system 3 U 0352 plus 30 - X Persei is assumed, as deduced from the X-ray data. It is proposed that the companion of X Persei is an accreting white dwarf. The X-rays are produced in an adiabatic shock formed around the star. Nuclear energy is released in a noncontinuous way and can explain the optical variability observed in X Persei.
Garavoglia M.
Treves Aldo
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