Fundamental Parameters of Some New Discovered Open star Clusters

Details Fundamental Parameters of Some New Discovered Open star Clusters Fundamental Parameters of Some New Discovered Open star Clusters

2010-11-16

arxiv.org/abs/1011.3555v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

14 pages, 9 figures, 1st Arab Conference on Astronomy and Geophysics, Egypt 2008

Scientific paper

We present here the fundamental properties of some newly discovered open star clusters (Teutsch 144, Alessi 53, Riddle 4 and Juchrt 12) using the JHK Near-IR photometry (2MASS survey) of Cutri et al. (2003). These clusters have been selected from Kronberger et al. (2006) who presented some new discovered stellar groups on the basis of 2MASS photometry and the DSS visual images. The astrometry and photometric parameters are determined using the stellar density distributions and color-magnitude diagrams fittings. Center, radius, membership, distances, reddening, age, luminosity function, mass function, total mass, and the dynamical relaxation time have been estimated for the first time. This paper is a part of Reda's PhD project.

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