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The result of Quadrantids

Radio Meteor Observation

icon Annual Variation List

icon Annual Variation Graphs

icon Information (as following list)

Year source Comments (Time:UT)
2017 WorldWide Peak was same as annual year. The ascending branch of FWHM was longer.
2016 WorldWide Peak time was earlier than annual year. High activity was shown.
2015 WorldWide Very weak activity as 2010. Maximum was less than 3.0 ?
2014 WorldWide The higher activity was observed with A(max)=8.26
2013 WorldWide Peak time and activity level were same as annual year.
2012 WorldWide A(max) was around 4 which was the same level of annual year.
2011 WorldWide Maximum was on 3rd 21h(λo283°.00) with A(max)=4.27±1.11
2010 WorldWide Maximum was on 3rd 16h(λo283°.05) with A(max)=3.63±0.83
2009 WorldWide Maximum was on 3rd 4h and 17h. The peak structure was very complex.
2008 WorldWide Maximum was on 4th 06h(λo283°.15) with A(max)=3.9±1.2
2007 WorldWide Maximum was on 4th 03h(λo283°.28) with A(max)=4.6±0.6
2006 WorldWide Maximum was on 3rd 15h(λo283°.17) with A(max)=4.9±1.0
2005 WorldWide Maximum was on 3rd 13h(λo283°.21) with A(max)=6.0±0.3
2004 WorldWide Maximum was on 4th 05h(λo283°.13) with A(max)=6.7±1.7
2003 WorldWide Maximum was on 3rd 20h(λo283°.01) with A(max)=6.4±1.7
2002 WorldWide Maximum was on 3rd 21h(λo283°.31) with A(max)=9.2±0.4(double peak?)
2001 WorldWide Maximum was on 3rd 15h(λo283°.32) with A(max)=6.4±0.8
2000 Chigusa HS Maximum time was 3rd 22h(UT). (only Chigusa High School in JAPAN)

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