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Paper: Mode Identification in Subdwarf B Stars from Multi-Wavelength Observations
Volume: 481, 6th Meeting on Hot Subdwarf Stars and Related Objects
Page: 139
Authors: Randall, S.; Fontaine, G.; Brassard, P.; Van Grootel, V.; Charpinet, S.
Abstract: We present several examples of partial mode identification for rapidly pulsating subdwarf B stars on the basis of multi-colour observations. Three targets (V391 Per, Balloon 090100001, and EC 11583–2708) were analysed from multi-colour photometry, while studies were conducted from time-series spectrophotometry for two further stars (EC 20338–1925 and EC 01541–1409). In all cases, periodicities strongly dominating the frequency spectrum are associated with radial modes, indicating a clear hierarchy according to visibility when integrating over the visible disk of the star.
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