Orbital period changes in WZ sagittae
Patterson J.
Stone G.
Kemp J.
Skillman D.
De Miguel E.
Potter M.
Starkey D.R.
Uthas H.
Jones J.L.
Slauson D.
Koff R.
Myers G.
Menzies K.
Campbell T.
Roberts G.
Foote J.L.
Vanmunster T.
Cook L.M.
Krajci T.
Ogmen Y.
Sabo R.
Seargeant J.
Publications of the Astronomical Society of the Pacific
Doi 10.1088/1538-3873/aaa7e7
Volumen 130
2018-01-01
Citas: 5
© 2018. The Astronomical Society of the Pacific. All rights reserved.We report a long-term (1961–2017) study of the eclipse times in the dwarf nova WZ Sagittae, in an effort to learn its rate of orbital-period change. Some wiggles with a timescale of 20–50 years are apparent, and a connection with the ?23 year interval between dwarf-nova eruptions is possible. These back-and-forth wiggles dominate the O–C diagram, and prevent a secure measurement of the steady rate of orbital-period change.
(stars:) binaries (including multiple): close, (stars:) novae, Accretion, Accretion disks, Cataclysmic variables, Stars, Stars: individual (WZ Sagittae)
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