Physics
Scientific paper
Jun 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999jimo...27..205o&link_type=abstract
WGN, Journal of the International Meteor Organization, vol. 27, no. 3-4, p. 205-208
Physics
Scientific paper
Visual observations of the 1998 Perseids are reported. Based on almost 900 hours of observing time collected by 35 observers, an activity profile from July 15 to August 25 is given. The maximum of activity with ZHR=52+-3 was noted during the night of August 12-13, 1998 (lambda=140.0). After averaging in shorter periods of time, the highest activity does not differ much from the mean level. The highest ZHR equal to 59+-8 was noted at lambda=139.96 (i.e., August 12.87 UT). This result is significantly lower that values obtained for the traditional maximum of the Perseids during previous years. That difference diminishes after adopting a zenith exponent gamma~1.4, which may suggest that, for the Perseid shower, the zenith exponent is larger than 1.0. The minimum value of the population index r equal to 2.08+-0.03, was obtained for the night of the maximum.
No associations
LandOfFree
On the 1998 Perseids in Poland does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with On the 1998 Perseids in Poland, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On the 1998 Perseids in Poland will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1502892