Search for and Characterization of Galactic Open Clusters with 2MASS

Details Search for and Characterization of Galactic Open Clusters with 2MASS Search for and Characterization of Galactic Open Clusters with 2MASS

Publishing date

2011-11-30

URL

arxiv.org/abs/1111.7179v2

Science

Astronomy and Astrophysics

Field

Astrophysics

SubField

Solar and Stellar Astrophysics

Additional info

4 pages, 2 figures

Type

Scientific paper

Abstract

We have developed a star-counting algorithm and tested it on the 2MASS star catalog to search for density enhancements significantly above the field in Galactic latitude $|b|<50^{\circ}$. Nearly 500 open clusters are "rediscovered", along with 89 globular clusters, 35 galaxies, 55 galaxy clusters, 11 H II regions, and 4 regions contaminated by nearby bright stars. Fifty-two density enhancement regions remain unaccounted for. Here we present one such candidate HDG\,01, $(\ell, b)=(144.9038, 0.4338)$ which has an angular size of 3', a distance of 1.5 kpc, hence a physical size of 3.7 pc. Due to some nebulous shape, this star cluster should be an young-aged ($\le 10$ Myr).

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