The Result of Quadrantids


This page provides results of annual year of Quadrantids using worldwide radio meteor observations since 2001.

Annual Variations

icon Annual Variation List

icon Annual Variation Graphs

Information (as following list)

YearsourceComments (Time:UT)
2020WorldWidePeak level was same as annual year. But peak time was earlier.
2019WorldWideStrong Activity was observed. Besids, subpeak was seen.
2018WorldWideVery weak activity with estimated A(max)=3.0
2017WorldWidePeak was same as annual year. The ascending branch of FWHM was longer.
2016WorldWidePeak time was earlier than annual year. High activity was shown.
2015WorldWideVery weak activity as 2010. Maximum was less than 3.0 ?
2014WorldWideThe higher activity was observed with A(max)=8.26
2013WorldWidePeak time and activity level were same as annual year.
2012WorldWideA(max) was around 4 which was the same level of annual year.
2011WorldWideMaximum was on 3rd 21h(λo283°.00) with A(max)=4.27±1.11
2010WorldWideMaximum was on 3rd 16h(λo283°.05) with A(max)=3.63±0.83
2009WorldWideMaximum was on 3rd 4h and 17h. The peak structure was very complex.
2008WorldWideMaximum was on 4th 06h(λo283°.15) with A(max)=3.9±1.2
2007WorldWideMaximum was on 4th 03h(λo283°.28) with A(max)=4.6±0.6
2006WorldWideMaximum was on 3rd 15h(λo283°.17) with A(max)=4.9±1.0
2005WorldWideMaximum was on 3rd 13h(λo283°.21) with A(max)=6.0±0.3
2004WorldWideMaximum was on 4th 05h(λo283°.13) with A(max)=6.7±1.7
2003WorldWideMaximum was on 3rd 20h(λo283°.01) with A(max)=6.4±1.7
2002WorldWideMaximum was on 3rd 21h(λo283°.31) with A(max)=9.2±0.4(double peak?)
2001WorldWideMaximum was on 3rd 15h(λo283°.32) with A(max)=6.4±0.8
2000Chigusa HSMaximum time was 3rd 22h(UT). (only Chigusa High School in JAPAN)


Introduction and observing conditions are provided this content.
icon Introduction of Quadrantids