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Browsing by Author "Upadhyay, K."

Browsing by Author "Upadhyay, K."

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  • Interstellar extinction in the open clusters towards galactic longitude around 130◦ 
    Pandey, A. K.; Upadhyay, K.; Nakada, Y.; Ogura, K. (2003)
    In this paper we present a detailed study of the intra-cluster reddening material in the young open clusters located around l ∼ 130◦ using colour-excess diagrams and two-colour diagrams. The study supports the universality ...
  • Stellar contents of two intermediate age clusters: NGC 1912 and NGC 1907 
    Pandey, A. K.; Sharma, S.; Upadhyay, K.; Ogura, K.; Sandhu, T. S.; Mito, H.; Sagar, R. (2007-06-25)
    We present CCD photometry in a wide field around two open clusters, NGC 1912 and NGC 1907. The stellar surface density profiles indicate that the radii of the clusters NGC 1912 and NGC 1907 are ~14́ and ~6́respectively. ...
  • Stellar contents of two young open clusters: NGC 663 and 654 
    Pandey, A. K.; Upadhyay, K.; Ogura, K.; Sagar, R.; Mohan, V.; Mito, H.; Bhatt, H. C.; Bhatt, B. C. (2005)
    UBVRI CCD photometry in a wide field around two young open clusters, NGC 663 and 654, has been carried out. Hα and polarimetric observations for the cluster NGC 654 have also been obtained. We use the photometric data ...
  • Studies in star clusters 
    Upadhyay, K. (2005)
  • Wide field CCD photometry of the young open cluster NGC 663 
    Pandey, A. K.; Upadhyay, K.; Ogura, K.; Sagar, R. (2003)
    A deep and wide field CCD photometry of the young open cluster NGC 663 has been carried out. We report preliminary results of our investigations, specifically the determination of the cluster mass function which is found ...

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