SIMBAD references

2008ApJ...676..573M - Astrophys. J., 676, 573-583 (2008/March-3)

Limits on planets around pulsating white dwarf stars.

MULLALLY F., WINGET D.E., DEGENNARO S., JEFFERY E., THOMPSON S.E., CHANDLER D. and KEPLER S.O.

Abstract (from CDS):

We present limits on planetary companions to pulsating white dwarf stars. A subset of these stars exhibit extreme stability in the period and phase of some of their pulsation modes; a planet can be detected around such a star by searching for periodic variations in the arrival time of these pulsations. We present limits on companions greater than a few Jupiter masses around a sample of 15 white dwarf stars as part of an ongoing survey. One star shows a variation in arrival time consistent with a 2MJ planet in a 4.5 yr orbit. We discuss other possible explanations for the observed signal and conclude that a planet is the most plausible explanation based on the data available.

Abstract Copyright:

Journal keyword(s): Stars: Planetary Systems - Stars: White Dwarfs

Simbad objects: 17

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2020.10.22-05:25:45

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