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The Latest Information of Aurigids 2021

Last Updated : 21:30UT

This page provides the latest activity information of Aurigids 2021 by using worldwide Radio Meteor Observations from RMOB. This information was published by Hiroshi OGAWA and Hirofumi SUGIMOTO (Japan).

Summary: Aurigids 2021 showed a small outburst on August 31. The outburst peak occured at λ=158°.39 (August 31. 21h(UT)) with around ZHRr=55. Using data every 10minutes, the centeral peak was estimated at λ=158°.395 with around ZHRr=80. But their ZHRr values have a wide error range. Activity Level Index(AL) also recorded AL=1.1±0.4 at the same time of ZHRr. Besides, the number of Long Echoe which continues for more than 20 seconds increased. (updated on Sep 2nd. 21h UT)

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Estimated ZHRr

by Hirofumi SUGIMOTO
Hourly Data
ZHR_R Aurigids 2021
10minutes
10min

  • 40 observed data.
  • Sugimoto H. (2017). “The New Method of Estimating ZHR using Radio Meteor Observations”. eMetN, 2,109–110.

Activity Level Index

by Hiroshi Ogawa
Aurigids 2021

  • 39 observed data in 13 countries.
  • Ogawa H., Toyomasu S., Ohnishi K., and Maegawa K. (2001). “The Global Monitor of Meteor Streams by Radio Meteor Observation all over the world”. In, Warmbein Barbara, editor, Proceeding of the Meteoroids 2001 Conference, 6-10 August 2001, Swedish Institute of Space Physics, Kiruna, Sweden. ESA Publications Division, European Space Agency, Noordwijk, The Netherlands, pages 189–191.

A lot of Long Echoes were observed

In this time, the number of long echoes increased for the period of Aug.31 21:20-22:00(UT). The following images were provided Mr.Masaki Kano in Japan (Time:UT).

for 21h20m-21h30m on 31st August
for 21h30m-21h40m on 31st August
for 21h40m-21h50m on 31st August
for 21h50m-22h00m on 31st August

Thank you for worldwide radio meteor observers !

This latest information was provided by worldwide radio meteor data published on Radio Meteor Observation Bulletin (RMOB)


flashAurigids,results

Posted by h-ogawa