Photometry of the intermediate-age open cluster NGC 2141

Details Photometry of the intermediate-age open cluster NGC 2141 Photometry of the intermediate-age open cluster NGC 2141

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995mnras.277.1379r&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 277, Issue 4, pp. 1379-1384.

Astronomy and Astrophysics

Astronomy

17

Methods: Observational, Open Clusters And Associations: Individual: Ngc 2141

Scientific paper

Optical V and I, and a selection of near-infrared J and H observations are presented for the open cluster NGC 2141. The colour excess E(B-V) has been determined as 0.35+/-0.07 mag, based on the positions of several giants and clump stars in a (V-I, J-H) diagram. The distance modulus (m-M)_V is found to be 14.16+/-0.16 (4.2+/-0.4 kpc), based on a comparison between the magnitudes of the red giant clump stars in NGC 2141 and M67. The age is estimated to be 2.5 Gyr, from a comparison of the colour-magnitude diagram with convective overshooting isochrones for a metallicity of Z=0.006.

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