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Photometric study of Galactic open cluster NGC 2129, NGC 1502 and King 12

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dc.contributor.author Tripathi, A.
dc.contributor.author Pandey, U. S.
dc.contributor.author Kumar, B.
dc.date.accessioned 2015-04-30T06:01:15Z
dc.date.available 2015-04-30T06:01:15Z
dc.date.issued 2013-09
dc.identifier.uri http://hdl.handle.net/123456789/1029
dc.description.abstract We present deep Johnson UBV and Cousins RI CCD photometry of three young open clusters, namely, NGC 2129, NGC 1502 and King 12 reaching down to V ∼ 22 mag. For the first time, we have reported optical CCD data for King 12. Fun- damental parameters for these clusters have been determined by comparing colour- colour and colour-magnitude diagrams (CMDs) with the theoretical models. The clus- ter radii have been estimated to be 3.3, 1.7 and 3.9 pc for NGC 2129, NGC 1502 and King 12 respectively. The reddenings E(B-V) have been determined to be 0.77±0.05, 0.68±0.05 and 0.63±0.05 while the corresponding distances have been found to be 2.1±0.1, 1.0±0.1 and 2.5±0.1 kpc respectively. The ages of the clusters have been obtained after fitting theoretical stellar evolutionary models for solar metallicity Z = 0.019 isochrones with the observed CMDs. This gives an age of 10.0±0.1 Myr for all the three clusters. The analysis shows that there is differential interstellar reddening in the direction of all clusters. en_US
dc.language.iso en_US en_US
dc.publisher ASI en_US
dc.relation.ispartofseries basi;41-209
dc.subject Hertzsprung-Russell (HR) diagram – open clusters and associations: indi- vidual: NGC 2129, NGC 1502 and King 12 en_US
dc.title Photometric study of Galactic open cluster NGC 2129, NGC 1502 and King 12 en_US
dc.type Article en_US


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