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Browsing by Author "Durgapal, A. K."

Browsing by Author "Durgapal, A. K."

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  • CCD photometry of galactic open star clusters – V. King 7 
    Durgapal, A. K.; Pandey, A. K.; Mohan, V. (1997)
    CCD observations of the open clusters King 7 and two nearby fields have been made in the UBVRI passbands down to V ~ 20.0 mag. From the colour-colour diagram the reddening is estimated to be 1.25 mag. Comparison of the ...
  • CCD photometry of the open cluster King 5 
    Durgapal, A. K.; Pandey, A. K.; Mohan, V. (1998)
    We are presenting photometric data of previously unstudied open cluster King 5. The UBVRI CCD photometric observations of stars in the field of King 5 have been used to study the fundamentals parameters such as interstellar ...
  • Multicolour CCD photometry of old open clusters: King 5 and Be 20 
    Durgapal, A. K.; Pandey, A. K.; Mohan, V. (2001)
    We present multicolour CCD photometry for two poorly studied open clusters (King 5 and Be 20). Photometry for a field near King 5 was also carried out to estimate the contamination by field stars. The colour magnitude ...
  • Photometric studies of intermediate and old age galactic star clusters 
    Durgapal, A. K. (2001)
    We present a detailed analysis of five intermediate /old age open star clusters; based on the CCD UBVRI data. We have used a new cloour index parameter (CIP), which is the difference in colour index between the blue turn ...
  • Photometric studies of open star clusters Haffner 11 and Czernik 31 
    Bisht, D.; Yadav, R. K. S.; Durgapal, A. K. (Elsevier, 2013)
    We present the broad band UBVI CCD photometric investigations in the region of the two open clusters Haffner 11 and Czernik 31. The radii of the clusters are determined as 3'.5 and 3'.0 for Haffner 11 and Czernik 31 ...
  • A photometric study of the open cluster King 7 
    Durgapal, A. K.; Mohan, V.; Pandey, A. K.; Mahra, H. S. (1996)
    The UBVRI CCD photometric observations of stars in the field o King 7 have been used to study the fundamental parameters such as interstellar extinction, age distance and mass function of the cluster. To obtain these ...
  • Seeing and microthermal measurements near Devasthal top 
    Stalin, C. S.; Sagar, R.; Pant, P.; Mohan, V.; Kumar, B.; Joshi, Y. C.; Yadav, R. K. S.; Joshi, S.; Chandra, R.; Durgapal, A. K.; Uddin, W. (2001)
    Results of the seening measurements carried out near Devasthal top on 43 nights during March to April 1999 are presented. Open air seeing measurements were carried out with the mirror about 2 m above the ground. This, in ...
  • Stellar contents of the open clusters Be 64 and Be 69 
    Pandey, A. K.; Durgapal, A. K.; Bhatt, B. C.; Mohan, V.; Mahra, H. S. (1997)
    We present U BV RI CCD photometry for previously unstudied open clusters (Be 64 and Be 69). Photometry has also been carried out for nearby fields to correct for the effects of field stars contamination. From the ...
  • Structure and mass function of five intermediate/old open clusters 
    Durgapal, A. K.; Pandey, A. K. (2001)
    The UBVRI data of five northern open star clusters are used to study the mass function (MF), structure and dynamical state of these clusters. The clusters under discussion have ages ranging from ∼0.6 to 5 Gyr. A ...

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