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PDF: MST radar observations of Perseid meteor shower 2004

Download 6 times Source: www.ncra.tifr.res.in // Topic: Astronomy File Size: 410.32 kb // Total of Page: 9 Page(s) Last download by 101Stephen Last download on: 2 months ago Share this info: Sample of page (click to enlarge) Short Desciption: There was a special attention for Perseid meteor shower obser- ... In this paper, we report 2004 Perseid meteor shower observations by using Indian ... Content Inside: Bull. Astr. Soc. India (2006) 34, 281289 MST radar observations of Perseid meteor shower 2004 D. Venkata Phani Kumar, K. Chenna Reddy and G. Yellaiah Department of Astronomy, Osmania University, Hyderabad 500 007, India Received 9 March 2006; accepted 28 June 2006 Abstract. There was a special attention for Perseid meteor shower observations in view of the predictions of an intense activity on 11th August 2004 caused by a filament of dust drifting across the Earths orbit. Results of a systematic study of Perseid meteor shower observations, carried out during 12-15 August 2004 using Indian MST radar are presented. Based on over 27 hours of observing time, we detected 2260 meteor echoes occurring between 80 km and 120 km with a mean height of 103 km. For our observations, the peak activity of the shower occured on 12/13 August, corresponding to solar longitude o = 140.565 ± 0.16 with an average rate of 250 meteor