VSX J074727.6 + 065050: A dwarf nova with a non-radially pulsating white dwarf primary

Details VSX J074727.6 + 065050: A dwarf nova with a non-radially pulsating white dwarf primary VSX J074727.6 + 065050: A dwarf nova with a non-radially pulsating white dwarf primary

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ap%26ss.333..119w&link_type=abstract

Astrophysics and Space Science, Volume 333, Issue 1, pp.119-123

Astronomy and Astrophysics

Astrophysics

Techniques: Photometric, Binaries: Close, Stars: Individual: Vsx J074727.6 + 065050, Dwarf Novae

Scientific paper

High speed photometric observations of the dwarf nova VSX J074727.6 + 065050 made in December 2009 during quiescence show an orbital modulation at P orb =85.6 min. They also show that the star is a member of the relatively rare CV/ZZ group, i.e. the accreting white dwarf primary has non-radial pulsations. The two regions of oscillating power are at 684 s and 238 s. There is some evidence for hidden ˜1 µHz fine structure splitting, which has been seen in three other CV/ZZ stars.

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