shw_list

The data consists of a list of visual meteor showers.

Functions for selection of visual meteor data, calculations of Zenithal Hourly Rate (ZHR) and population index, graphics of population index, ZHR and magnitude distribution.

Kristina Veljkovic

MetFns

Analysis of Visual Meteor Data

shw_list function

A data frame with 38 observations on the following 11 variables.<dl class="dl-horizontal">
 <dt><code>Shw</code></dt><dd>factor Three-letter shower code</dd>
 <dt><code>Name</code></dt><dd>factor Shower name</dd>
 <dt><code>Activity.beg</code></dt><dd>factor The beginning of the activity period</dd>
 <dt><code>Activity.end</code></dt><dd>factor The end of the activity period</dd>
 <dt><code>Max</code></dt><dd>factor The date of maximum activity</dd>
 <dt><code>Sollong</code></dt><dd>numeric Solar longitude of the date of maximum</dd>
 <dt><code>Alpha</code></dt><dd>numeric Right ascension of radiant at date of maximum</dd>
 <dt><code>Delta</code></dt><dd>numeric Declination of radiant at date of maximum</dd>
 <dt><code>V</code></dt><dd>numeric Geocentric velocity of the stream</dd>
 <dt><code>r</code></dt><dd>numeric Population index of a meteor shower</dd>
 <dt><code>ZHR</code></dt><dd>numeric Zenithal Hourly Rate of meteor shower during maximum activity</dd>
 </dl>

Format

List of meteor showers — shw_list

A data frame with 38 observations on the following 11 variables.<dl class='dl-horizontal'>
 <dt><code>Shw</code></dt><dd>factor Three-letter shower code</dd>
 <dt><code>Name</code></dt><dd>factor Shower name</dd>
 <dt><code>Activity.beg</code></dt><dd>factor The beginning of the activity period</dd>
 <dt><code>Activity.end</code></dt><dd>factor The end of the activity period</dd>
 <dt><code>Max</code></dt><dd>factor The date of maximum activity</dd>
 <dt><code>Sollong</code></dt><dd>numeric Solar longitude of the date of maximum</dd>
 <dt><code>Alpha</code></dt><dd>numeric Right ascension of radiant at date of maximum</dd>
 <dt><code>Delta</code></dt><dd>numeric Declination of radiant at date of maximum</dd>
 <dt><code>V</code></dt><dd>numeric Geocentric velocity of the stream</dd>
 <dt><code>r</code></dt><dd>numeric Population index of a meteor shower</dd>
 <dt><code>ZHR</code></dt><dd>numeric Zenithal Hourly Rate of meteor shower during maximum activity</dd>
 </dl>

shw_list: List of meteor showers

Description

Usage

Arguments

Format