An irradiated brown-dwarf companion to an accreting white dwarf

Juan V. Hernández Santisteban (), Christian Knigge, Stuart P. Littlefair, Rene P. Breton, Vikram S. Dhillon, Boris T. Gänsicke, Thomas R. Marsh, Magaretha L. Pretorius, John Southworth and Peter H. Hauschildt
Additional contact information
Juan V. Hernández Santisteban: University of Southampton
Christian Knigge: University of Southampton
Stuart P. Littlefair: University of Sheffield
Rene P. Breton: University of Southampton
Vikram S. Dhillon: University of Sheffield
Boris T. Gänsicke: University of Warwick
Thomas R. Marsh: University of Warwick
Magaretha L. Pretorius: University of Oxford, Denys Wilkinson Building, Keble Road
John Southworth: Astrophysics Group, Keele University
Peter H. Hauschildt: Hamburger Sternwarte, Gojenbergsweg 112

Nature, 2016, vol. 533, issue 7603, 366-368

Abstract: Spectroscopic detection and characterization of an irradiated substellar donor planet in an accreting white-dwarf binary system reveals a donor mass of 0.055 ± 0.008 solar masses, an average spectral type of L1 ± 1 and an average irradiation-induced temperature difference between the dayside and nightside of 57 kelvin.

Date: 2016
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DOI: 10.1038/nature17952

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