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2 $\delta $ Scuti stars in Praesepe - status

Praesepe has a nice group of $\delta $ Scuti stars consisting of 14 members (Rodríguez et al. 2000). For eight of these stars (not including BV Cnc) models are discussed by Michel et al. (1999) and the frequencies and amplitudes are summarized by Belmonte et al. (1997) and Hernández et al. (1998b, 1998c). Out of all $\delta $ Scuti stars in Praesepe, nine have been the targets of multisite observations. BU and EP Cnc were observed by the DSN (Delta Scuti star Network) (Breger et al. 1993, 1994). The STEPHI team observed BU, BN Cnc and KW 284 (Belmonte et al. 1994) and later BQ and BW Cnc (Álvarez et al. 1998) and BS and BT Cnc (Hernández et al. 1998a). Finally, BN Cnc and BV Cnc were observed by Arentoft et al. (1998), but only from a single site. All the stars listed have been shown to be multimode pulsators.


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