gamma Doradus stars: Defining a new class of pulsating variables

Authors
Kaye, AB Handler, G Krisciunas, K Poretti, E Zerbi, FM
Citation
Ab. Kaye et al., gamma Doradus stars: Defining a new class of pulsating variables, PUB AST S P, 111(761), 1999, pp. 840-844
Citations number
38
Categorie Soggetti
Space Sciences
Journal title
PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
ISSN journal
00046280 → ACNP
Volume
111
Issue
761
Year of publication
1999
Pages
840 - 844
Database
ISI
SICI code
0004-6280(199907)111:761<840:GDSDAN>2.0.ZU;2-W
Abstract
In this paper we describe a new class of pulsating stars, the prototype of which is the bright, early, F-type dwarf gamma Doradus. These stars typical ly have between 1 and 5 periods ranging from 0.4 to 3 days with photometric amplitudes up to 0.1 mag in Johnson V. The mechanism for these observed va riations is high-order, low-degree, nonradial, gravity-mode pulsation.