Photometric study of 9 doubtful open clusters

Details Photometric study of 9 doubtful open clusters Photometric study of 9 doubtful open clusters

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008an....329..602m&link_type=abstract

Astronomische Nachrichten, Vol.329, Issue 6, p.602

Astronomy and Astrophysics

Astrophysics

2

Open Clusters And Associations: Individual (Mayer 1, Czernik 2, Ngc 956, Czernik 16, Dolidze 39, Ic 1434, Czernik 43, Czernik 44, Berkeley 102)

Scientific paper

We present results of a photometric investigation of 9 poorly studied apparent open clusters. While the aim of our survey was to determine structural and astrophysical parameters for these objects, they were found not to be physical groups of stars. BV wide-field CCD photometry combined with the near-infrared JHKS data from the 2MASS and proper motions were used to study their nature. Detailed analysis of radial density profiles, morphology of decontaminated colour-magnitude diagrams, and proper motion distributions indicate that these stellar ensembles are projective chance alignments of physically unrelated stars.

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