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Browsing by Subject "Luminosity function"

Browsing by Subject "Luminosity function"

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  • Mass function of open clusters NGC 1857 and Czernik 25 
    Sujatha, S; Babu, G. S. D; Ananthamurthy, S (Astronomical Society of India, 2006)
    The first CCD photometric UBVRI observations of the open clusters NGC 1857 (Czernik 20, OCl 427) and Czernik 25 (OCl 493) are presented. The observations were obtained on 28 November 2003 with the 2m Himalayan Chandra ...
  • Near Infrared Photometry of the Young Star Cluster NGC 2384 
    Hasan, P; Kilambi, G. C; Baliyan, K. S (Astronomical Society of India, 2003)
    This work involves near infrared photometry of the young cluster NGC 2384. Observations were taken at the Mt Abu Infrared Observatory using the NIC-MOS3 detector in February 2000. The distance to the cluster is obtained ...
  • NGC 1624 (OCl 403, Cr 53) – A very young open cluster 
    Sujatha, S; Babu, G. S. D (Springer, 2006)
    We present the first CCD photometric UBVRI observations of the not-so-well-studied open cluster NGC 1624 (OCl 403, Cr 53; α2000 = 04 h 40 m 36 s; δ2000 = + 50˚ 27′ 42″ Trumpler class = I 2 p N). This cluster was observed ...
  • Studies of Young Stellar Objects 
    Yadav, R. K. S (Astronomical Society of India, 2003)
    We present a detailed study of four young open star clusters and two OB associations using deep CCD U B V R I and 2MASS J H Ks measurements. Physical parameters of the clusters have been estimated using optical as well as ...
  • UBVRI CCD photometry of the OB associations Bochum 1 and Bochum 6 
    Yadav, R. K. S; Sagar, R (Astronomical Society of India, 2003)
    We report the first deep $UBVRI$ CCD photometry of 2460 stars in the field of two poorly studied OB associations Bochum 1 and Bochum 6. We selected 15 and 14 probable members in Bochum 1 and Bochum 6 respectively using ...

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