shw_list: List of meteor showers

Description Usage Format Note Source

Description

The data consists of a list of visual meteor showers.

Usage

1

Format

A data frame with 37 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

Note

Data is taken from Table 5. Working List of Visual Meteor Showers. Details in this Table were correct according to the best information available in June 2016, with maximum dates accurate only for 2017.

Source

2017 Meteor Shower Calendar, http://www.imo.net/files/meteor-shower/cal2017.pdf


MetFns documentation built on Sept. 12, 2017, 5:03 p.m.