Photometric study of the open cluster NGC2323

Details Photometric study of the open cluster NGC2323 Photometric study of the open cluster NGC2323

Feb 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26as..128..131c&link_type=abstract

Astronomy and Astrophysics Supplement, v.128, p.131-138

Astronomy and Astrophysics

Astrophysics

12

Open Clusters: Individual: Ngc2323, Open Clusters: General, Hr Diagram

Scientific paper

UBV photoelectric photometry for 175 stars in the field of the southern open cluster NGC2323, supplemented by DDO photometry of 5 probable giants, is presented. The analysis of the photometric data yields 109 probable members; one of them being a red giant, and 3 possible members. The reddening across the cluster is slightly variable and the mean value E(B-V)=0.25. The apparent cluster distance modulus is 10.62, corresponding to a distance of 940 pc. The age, determined by fitting isochrones with core overshooting, turns out to be 100+/- 20 Myr. Other fundamental cluster parameters are also determined. NGC2323 appears not to be physically connected to the CMa OB1 association. Based on observations made at Cerro Tololo Inter-American Observatory (Chile) and at Las Campanas Observatory (Chile).

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