[Prev][Next][Index][Thread]
(meteorobs) Ursids 2001 in Japan
Hello
Ursids in Japan was not seen outburst. The average HR is 5 and ZHR is 15.
The following table is the result of Visual Observation. By Radio Meteor
Observation in Japan, the unusual Ursids activity was not seen, too.
---------------------------------------------------------
The Visual Observational Result of Ursids 2001 in Japan
The Nippon Meteor Society (NMS)
---------------------------------------------------------
n : the number of data
all : all meteors (Ursids)
Time:Total time (min.)
ZHR : r=2.5，ganma=1.0
Err. = ZHR * (1/SQRT(all))
excluding:observations under unfavourable condition
(Lm<4.5mag, Cl>0.4, RP-h<10deg)
<Daily results>
UT JST n all Time HR ZHR Err.
---------------------------------------------------------
11 20d 18:00 21d 03:00 3 0 180 0.0 0.0 -
11 21d 18:00 22d 03:00 7 11 295 2.1 4.5 1.4
11 22d 18:00 23d 03:00 22 108 1312 5.0 16.8 1.6
<Everyu 1hour>
UT JST n all Time HR ZHR Err.
---------------------------------------------------------
11 20d 13:00 21d 22:00 1 0 60 0.0 0.0 -
11 20d 14:00 21d 23:00 1 0 60 0.0 0.0 -
11 20d 15:00 21d 00:00 1 0 60 0.0 0.0 -
11 21d 15:00 22d 00:00 1 0 60 0.0 0.0 -
11 21d 16:00 22d 01:00 1 2 60 2.0 5.2 3.7
11 21d 17:00 22d 02:00 1 3 60 3.0 7.3 4.2
11 21d 18:00 22d 03:00 1 1 30 3.0 6.1 6.1
11 21d 19:00 22d 04:00 2 1 35 1.0 2.3 2.3
11 21d 20:00 22d 05:00 1 4 50 4.8 8.2 4.1
11 22d 11:00 22d 20:00 1 6 60 6.0 15.0 6.1
11 22d 12:00 22d 21:00 1 7 60 7.0 14.6 5.5
11 22d 13:00 22d 22:00 1 5 60 5.0 11.4 5.1
11 22d 14:00 22d 23:00 2 9 110 5.2 12.7 4.2
11 22d 15:00 23d 00:00 3 12 181 4.0 7.0 2.0
11 22d 16:00 23d 01:00 3 14 181 4.6 7.5 2.0
11 22d 17:00 23d 02:00 4 19 235 4.8 6.4 1.5
11 22d 18:00 23d 03:00 3 15 200 4.8 6.0 1.5
11 22d 19:00 23d 04:00 3 14 170 4.7 5.9 1.6
11 22d 20:00 23d 05:00 1 7 55 7.6 9.2 3.5
Total Time : 1,787min. (=29.78h)
Total Ursids: 119
Observers:
Shigeo UCHIYAMA, Kazuhiro OSADA, Koetsu SATO, Kazuhiro SUMIE
Katsuhiko MAMETA
----------------------------------
Hiroshi Ogawa (University of Tsukuba, JAPAN)
mailto: HZH02257@nifty.ne.jp
homepage: http://homepage2.nifty.com/~baron/
The archive and Web site for our list is at http://www.meteorobs.org
If you are interested in complete links on the 2001 LEONIDS, see:
http://www.meteorobs.org/storms.html
To stop getting email from the 'meteorobs' list, use the Web form at:
http://www.meteorobs.org/subscribe.html