HD 114839 - An Am star showing both δ Scuti and γ Dor pulsations discovered through MOST photometry

Details HD 114839 - An Am star showing both δ Scuti and γ Dor pulsations discovered through MOST photometry HD 114839 - An Am star showing both δ Scuti and γ Dor pulsations discovered through MOST photometry

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006coast.148...28k&link_type=abstract

Communications in Asteroseismology, vol.148, p. 28-33

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20

Scientific paper

Using MOST1 (Microvariability and Oscillations of STars) satellite guide star photometry, we have discovered a metallic A star showing hybrid p- and gmode pulsations. HD 114839 was observed nearly continuously for 10 days in March, 2005. We identify frequencies in three groups: the first centered near 2 cycles/day, in the γ Dor pulsation range, and two others near 8 and 20, both in the δ Scuti range. This is only the fourth known such hybrid pulsator, including another MOST discovery (Rowe et al. 2006).

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