The Solar Longitude (Abbrev: S.L., λ ☉) is 42.8 degrees, this value is the the date of maximum activity. It is measured as a degree with zero degree indicating spring equinox (roughly March 21st/22nd). 90 is the Summer Solstice, 180 is the Autumn Equinox and 270 is the Winter Solstice. This degree is independent of the calender. AMS .
The source of the meteor shower is Comet 73P/Schwassmann-Wachmann. The closest star to the radiant point of the meteor shower is Diadem. The coordinates can also be determined by the Right Ascension (205.2) and the Declination (18.7).
The speed/velocity of the Meteor Shower particles is 14 km/s.
|Closest Star to Radiant Point||Diadem|
|Peak Activity Date||3rd May|
|Solar Longitude / λ ☉||42.8 °|
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