Photometric study of the southern open cluster IC 2488

Details Photometric study of the southern open cluster IC 2488 Photometric study of the southern open cluster IC 2488

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987aj.....94...92p&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 94, July 1987, p. 92-98. Research supported by the Universidad de Chile and NSERC.

Astronomy and Astrophysics

Astronomy

7

Electrophotometry, Open Clusters, Red Giant Stars, Southern Sky, Stellar Spectrophotometry, Ubv Spectra, Color-Magnitude Diagram, Planetary Nebulae

Scientific paper

A photometric study of the southern open cluster IC 2488 is presented. A distance modulus V0-MV = 10.80±0.18 mag and a color excess E(B-V) = 0.26±0.02 are determined for the cluster by fitting the observed main sequence to an empirical isochrone by means of a previously developed computer code. The location of a concentration of presumed red giant stars in the color-magnitude diagrams in conjunction with the empirical isochrones are used to estimate an age of 1.0×108yr for the cluster. The cluster membership status of these red stars, along with a possible blue straggler and a nearby planetary nebula, are analyzed.

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