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MetFns (version 3.2.2)

Analysis of Visual Meteor Data

Description

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

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Version

Install

install.packages('MetFns')

Monthly Downloads

50

Version

3.2.2

License

GPL-2 | GPL-3

Maintainer

Kristina Veljkovic

Last Published

October 13th, 2018

Functions in MetFns (3.2.2)

rate2015

Rate data for the year 2015
filter.gc

Selection of visual meteor data by geographical coordinates
mag.distr

Summarized magnitude distribution
magn2015

Magnitude data for the year 2015
date_sollong

Calculation of solar longitude
pop.index

Calculation of population index
pop.index.plot

Plot of population index
filter.h

Selection of visual meteor data by radiant elevation
filter.sol

Selection of visual meteor data by solar longitude
filter.shw

Selection of visual meteor data by shower code
filter.totcor

Selection of visual meteor data by total correction factor
shw_list

List of meteor showers
filter.site

Selection of visual meteor data by observing site
sol_date.table

Vectorized calculation of date corresponding to given value of solar longitude
zhr

Calculates zenithal hourly rate (ZHR)
filter.mag

Selection of visual meteor data by limiting magnitude
pop.index2

Calculation of population index based on average distance from the limiting magnitude
popind

Conversion for the population index
EarthVSOP87B

Computation of Heliocentric Spherical Longitude and Latitude for the Earth
MetFns-package

Analysis of Visual Meteor Data
filter.obsname

Selection of visual meteor data by observer's first and last name
popind.err

Error margins for population index
radiant

Coordinates of radiants of meteor showers
zhr.plot

Plot of zenithal hourly rate (ZHR)
midint

Calculation of the middle of time interval
opt.bin

Divides data in blocks of optimal bin sizes
solar.long

Vectorized calculation of solar longitude
sollong_date

Calculation of date corresponding to given value of solar longitude
filter.date

Selection of visual meteor data by date(s)
filter.country

Selection of visual meteor data by country
filter.P

Selection of visual meteor data by percentage of field-of-view obstruction
filter

Global filter
date_sol.table

Calculation of table of solar longitudes