The Result of η-Aquariids

17 February 2021

This page provides result of η-Aquariids by worldwide radio meteor observations.

Annual Variations

icon Annual Variation List

icon Annual Variation Graphs

Information (as following list)

Year source Comments (Time:UT)
2020 WorldWide Estimated peak was at λo45°.5 with A(max)=1.1.
2019 WorldWide The weaker activity with peak time at λo44°.6
2018 WorldWide The higher activity was observed as same as 2017.
2017 WorldWide The higher activity was observed. A predicted sub-peak was observed.
2016 WorldWide The weak activity level was shown such as 2014. λo49°.5 was clear.
2015 WorldWide The peak time as λ43°.1 was much earlier than annual year.
2014 WorldWide The half activity of annual level was shown between λo45° and 49°
2013 WorldWide The activity level was much higher as more than A(t)=3.
2012 WorldWide The activity level was higher than annual year.
2011 WorldWide As 2010 and 2009, the main peak was later. And FWHM was wider.
2010 WorldWide As 2009, the main peak was later. And sub-peak was later.
2009 WorldWide The peak time was later more than 1day. Sub-peak was observed before.
2008 WorldWide The peak time was 45°.5 as annual year. Later-peak was observed.
2007 WorldWide The peak time was 45°.9. Activity level was between 2005 and 2006.
2006 WorldWide The Activity level was weaker than 2004 and 2005.
2005 WorldWide The peak time was 46°. It has FWHM as 60 hours before and after.
2004 WorldWide The peak time came earlier than visual peak time.
2003 WorldWide UnderConstruction
2002 WorldWide UnderConstruction
2001 Misato Obs. The peak was unclear (5th? or 7th?)
2000 Misato Obs. The peak was 5th – 6th.

Introduction

Introduction and observing conditions are provided this content.
icon Introduction of η-Aquariids

Posted by Hiroshi Ogawa