shw_list:
List of meteor showers
Description
The data consists of a list of visual meteor showers.
Format
A data frame with 33 observations on the following 11 variables.
Shw- factor Three-letter shower code
Name- factor Shower name
Activity.beg- factor The beginning of the activity period
Activity.end- factor The end of the activity period
Max- factor The date of maximum activity
Sollong- numeric Solar longitude of the date of maximum
Alpha- numeric Right ascension of radiant at date of maximum
Delta- numeric Declination of radiant at date of maximum
V- numeric Geocentric velocity of the stream
r- numeric Population index of a meteor shower
ZHR- numeric Zenithal Hourly Rate of meteor shower during maximum activity