Physics
Scientific paper
Nov 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001esasp.495..193s&link_type=abstract
In: Proceedings of the Meteoroids 2001 Conference, 6 - 10 August 2001, Kiruna, Sweden. Ed.: Barbara Warmbein. ESA SP-495, Noordw
Physics
Observations, Leonids
Scientific paper
The large appearance of Leonids was observed in Europe on November 18 in 1999 at the 2:00UT (11:00JST). Then, daytime-meteor was detected some observers in each place, and the number of 40 meteors were detected in 4 hours in Japan. Since globally daytime-meteor observation is rare most people would have doubt about the objectivity of data. Therefore, I tried to identify with each Radio Meteor Observation, in order to acquire the objectivity of data. Consequently, four shooting stars were in accord with the result of Radio Meteor Observation. Besides, two synchronous meteors were observed by two observers. Therefore, these meteors could be reliable. However, there were few bright (shooting stars >-5 magnitude) which could be observed in Europe in daytime at the same time. For that reason, the question arose in the luminous intensity of the meteor that we observed. As one of this cause, it can be considered that the meteor luminescence mechanisms differ daytime from night. I would like to call more observers all over the world to carry on meteor observation from now on to collect the data about a daytime-meteor.
Serizawa Hirotaka
Toda Masayuki
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