The Latest Information of τ-Herulids 2022

3 June 2022

This page provides the latest activity information of τ-Herculids (061 TAH) 2022 by using worldwide Radio Meteor Observations (Observed data were provided by Radio Meteor Observations Bulletin and Japanese radio meteor observers. This information was published by Hirofumi SUGIMOTO (Japan) and Hiroshi Ogawa.

Summary:  The strong activity showed around 03h-06h(UT) on 31st May. The peak was estimated at 04h(UT) on 31st May (λ=69°.43) with Activity Level=1.8. A sub peak before the main peak was observed at 15h-19h(UT) on 30th May. (final announcement)

This result may change in the future.

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Estimated ZHRr

by Hirofumi SUGIMOTO

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

Activity Level Index

by Hiroshi Ogawa

  • 37observed data in 11 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.

About τ-Herculids

Possible Meteor Outburst on May 30/31 ? (IMO)
– 31st of May 2022 τ-Herculids (IMCCE)