C. L. Bhat
Articles written in Journal of Astrophysics and Astronomy
Volume 11 Issue 2 June 1990 pp 141-150
This paper presents a novel technique to derive the absolute time of occurrence of an event with an accuracy of < 200 µs by adapting the HF time synchronization technique to correct for the aging rate and the frequency drift of a temperature-controlled quartz frequency standard. The propagation delay suffered by the HF time signals has been estimated by monitoring the clock error with respect to time signals from five broadcast stations located at distances in the range 500–3700 km from Gulmarg. Using simulated data, we further show the viability of this technique in permitting periodicity searches on timescales of ≥5 milliseconds in cosmic gamma-ray data
Volume 12 Issue 1 March 1991 pp 89-89 Erratum
Volume 15 Issue 1 March 1994 pp 95-102
The weather-imageries from the INSAT group of satellites provide reliable and concurrent multistation cloud-cover data — an important input for a proper selection of an observatory site for optical, infra-red and γ-ray astronomy work. Using these data, it is shown that Gurushikar, Mt. Abu, promises to be an excellent site for setting up the proposed GRACE facility for high-sensitivity Gamma-Ray Astrophysics Cerenkov Experiments.
Volume 41, 2020
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