Two large amplitude slowly pulsating hot subdwarf stars

Details Two large amplitude slowly pulsating hot subdwarf stars Two large amplitude slowly pulsating hot subdwarf stars

Aug 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011mnras.415.3042k&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 415, Issue 4, pp. 3042-3048.

Astronomy and Astrophysics

Astronomy

Stars: Individual: Bps Cs22890-74, Stars: Individual: Pb 7032, Stars: Oscillations, Subdwarfs

Scientific paper

The discovery observations of two new slowly pulsating subdwarf B stars (V1093 Her stars), BPS CS22890-74 and PB 7032, are presented. Both stars are highly multiperiodic, and have - for V1093 Her stars - large amplitudes. Published descriptions of the (wavelength) spectra of the stars conflict, but new spectra show that both are sdB stars with effective temperatures below 30 000 K. BPS CS22890-74 has a cool companion.

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