CCD Strömgren photometry of NGC 2362.

Details CCD Strömgren photometry of NGC 2362. CCD Strömgren photometry of NGC 2362.

Aug 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996mnras.281.1341b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. Vol. 281, No. 4, p. 1341 - 1346

Other

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Stars: Early-Type -- Stars: Variables: Other -- Open Clusters And Associations: Individual: Ngc 2362, Open Clusters: Stroemgren Photometry, Open Clusters: Hr Diagrams, Open Clusters: Delta Scuti Stars, Open Clusters: Ages, Open Clusters: Distance Moduli, Open Clusters: Short-Period Variables

Scientific paper

The authors present uvbyβ photometry obtained with a CCD for the young open cluster NGC 2362. The distance modulus is V0-Mv= 10.87; the reddening is uniform with AV= 0.300 mag. The authors use a calibration of effective temperatures and bolometric corrections to compare the cluster sequence with theoretical models and derive an age of about 5 Myr. All except the brightest star are on the zero-age main sequence. A search disclosed three short-period variables; one of them may be the hottest known δ Scuti star if it is a cluster member. Unlike other clusters of similar age, the authors did not find any β Cep stars. Neither did they find any slowly pulsating B stars (53 Per variables), contrary to theoretical predictions.

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