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2011MNRAS.417.1735F - Mon. Not. R. Astron. Soc., 417, 1735-1741 (2011/November-1)
Evolutionary constraints on the planet-hosting subgiant ε Reticulum from its white dwarf companion.
FARIHI J., BURLEIGH M.R., HOLBERG J.B., CASEWELL S.L. and BARSTOW M.A.
Abstract (from CDS):
A search for photospheric metals in the DA white dwarf yields no detections, and hence there is no clear signature of an extant planetary system orbiting the previously more massive secondary. However, if the white dwarf mass derived via spectral fitting is correct, its evolution could have been influenced by interactions with inner planets during the asymptotic giant branch. Based on the frequency of giant planets and circumstellar debris as a function of stellar mass, it is unlikely that the primordial primary would be void of planets, given at least one orbiting its less massive sibling.
Abstract Copyright: 2011 The Authors. Monthly Notices of the Royal Astronomical Society2011 RAS
Journal keyword(s): binaries: general - stars: evolution - planetary systems - white dwarfs
Simbad objects: 6
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