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Browsing by Author "Ballabh, G. M"

Browsing by Author "Ballabh, G. M"

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  • Fluctuations in Moon's period and its relationship with the perigees of the Moon and the Sun 
    Ballabh, G. M; Alladin, S. M (Astronomical Society of India, 2002-09)
    Just as the regression of the nodes of the lunar orbit is connected with the periodicity in the eclipse phenomenon, the advance of perigee is connected with the periodicity in the fluctuations of Moon's synodic period. ...
  • The merger time of binary globular clusters 
    Ballabh, G. M; Alladin, S. M (Astronomical Society of India, 2000)
    In a binary globular cluster the tidal forces increase the internal energy of the clusters and may lead to either merger or disruption of a cluster depending upon whether the two clusters are !of equal mass or vary much ...
  • The peculiar solar flare of 1981 May 13 
    Bondal, K. R; Pant, P; Pande, M. C; Ballabh, G. M (Astronomical Society of India, 1982-06)
    Time-phase photographic observations with 0.7 Armstrong passband H-alpha filter and the morphological-cum-temporal behaviour of a large double solar flare which occurred on 1981 May 13 have been described. The two strands, ...
  • Photographic astrometry of Comet Halley 
    Ballabh, G. M; Kilambi, G. C; Sanwal, N. B; Sreedhar Rao, S; Swaminathan, R; Raghavender Rao, C (Astronomical Society of Indian, 1989-12)
    The 20-cm astrograph of the Nizamiah and Japal-Rangapur Observatoies in India was used to obtain photographic plates of Comet Halley before and after perihelion during the 1985-1986 apparition. The images are reduced and ...

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