Other
Scientific paper
Jul 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997dssn...11....6f&link_type=abstract
Delta Scuti Star Newsletter, Issue 11, p. 6
Other
2
Scientific paper
Stellar modelling has developed a lot in recent years thanks to the attempts to model the Sun well enough to remove discrepancies with helioseismic data and to explain a few outstanding problems in variable star research (double mode Cepheids, the instability of Beta Cephei stars). We want to meet this theoretical challenge in terms of observations of a quality that equal the improved quality of stellar modelling. The target is the nearby open cluster Praesepe, which has a rich population of Delta Scuti stars that have been extensively observed. As target we prefer BN Cnc, which has bright star BV Cnc (see later) nearby that serves as a good reference. The other Delta Scuti variables with rich sets of pulsation modes in this cluster do not offer as nice a field of view for CCD photometry.
Breger Michel
Frandsen Soeren
Kjeldsen Hans
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