Open AccessJL 82: a slowly pulsating hot subdwarf star in a close binary system
Author(s) -
Koen C.
Publication year - 2009
Publication title -
monthly notices of the royal astronomical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.058
H-Index - 383
eISSN - 1365-2966
pISSN - 0035-8711
DOI - 10.1111/j.1365-2966.2009.14588.x
Subject(s) - physics , subdwarf , astrophysics , variable star , binary number , binary star , observable , star (game theory) , astronomy , binary system , stars , white dwarf , quantum mechanics , arithmetic , mathematics
JL 82 is a known binary, consisting of an sdB star and a companion which is not directly observable in the optical. Photometric measurements reported in this paper show it to variable with both the binary period (∼0.75 d), as well as on much shorter time‐scales. The shorter periods are ascribed to pulsation of the sdB star, making it a member of the PG 1716 class of pulsating stars.