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Astron. Astrophys. 333, 524-530 (1998)

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6. Conclusion

A document/manual The Book is available for observers interested in [FORMULA]  Scuti stars (and other variables) in open clusters.

The type of clusters of interest for the STACC project is illustrated by new CM diagrams for four clusters based on two colour CCD photometry.

The highlight presented here is the discovery of a population of [FORMULA]  Scuti stars in NGC 1817. This makes the cluster a very attractive target for a future multisite CCD photometry campaigns.

Even with one northern cluster that matches what we are looking for, the search for open clusters with a rich population of [FORMULA]  Scuti stars has been more difficult than expected. A more systematic approach is suggested here.

When a useful cluster has been located, extensive observations of individual stars, both photometrically and spectroscopically, are necessary. Proper modeling can not be done before high quality data exists.


The Book is available on request from the authors.

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© European Southern Observatory (ESO) 1998

Online publication: April 20, 1998