Age determination of the open cluster NGC 2287 (M41)

Details Age determination of the open cluster NGC 2287 (M41) Age determination of the open cluster NGC 2287 (M41)

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.147..137k&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 147, no. 1, Aug. 1988, p. 137-143.

Astronomy and Astrophysics

Astrophysics

1

Chronology, Electrophotometry, Open Clusters, Stellar Rotation, Color-Magnitude Diagram, Main Sequence Stars, Red Giant Stars, Stellar Evolution, Ubv Spectra

Scientific paper

The authors have estimated the age of the open cluster NGC 2287 (M41) by taking into account the rotation of the member stars. Having obtained the theoretical Hertzsprung-Russell diagram from observed colour-magnitude diagram, they have discussed two methods, given in the literature, to estimate the age of the cluster. The first method is to determine the turn-off point on the cluster Main-Sequence. It gives an age of 3.10×107yr. The other is fitting the position of the red giants with the evolutionary tracks of rotating stars with different masses on the H-R diagram. Herewith an age of about 8.00×107yr has been inferred.

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