The Result of Quadrantids

6 February 2022

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)

Year source Comments (Time:UT)
2022 WorldWide The peak was same activity level as annual year.
2021 WorldWide Activity Level was higher than annual year such as 2019.
2020 WorldWide Peak level was same as annual year. But peak time was earlier.
2019 WorldWide Strong Activity was observed. Besids, subpeak was seen.
2018 WorldWide Very weak activity with estimated A(max)=3.0
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)

Introduction

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

Posted by Hiroshi Ogawa