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MetFns (version 2.1.0)

radiant: Coordinates of radiants of meteor showers

Description

Coordinates of radiants of meteor showers during the year.

Usage

radiant

Arguments

Format

A data frame with 365 observations on the following 58 variables.
Day
numeric Day of the month
Month
numeric Month of the year
ANT.Alpha
numeric Right ascension of Antihelion Source radiant
ANT.Delta
numeric Declination of Antihelion Source radiant
QUA.Alpha
numeric Right ascension of Quadrantids radiant
QUA.Delta
numeric Declination of Quadrantids radiant
DLM.Alpha
numeric Right ascension of December Leonis Minorids radiant
DLM.Delta
numeric Declination of December Leonis Minorids radiant
ACE.Alpha
numeric Right ascension of Alpha-Centaurids radiant
ACE.Delta
numeric Declination of Alpha-Centaurids radiant
GNO.Alpha
numeric Right ascension of Gamma-Normids radiant
GNO.Delta
numeric Declination of Gamma-Normids radiant
LYR.Alpha
numeric Right ascension of Lyrids radiant
LYR.Delta
numeric Declination of Lyrids radiant
PPU.Alpha
numeric Right ascension of Pi-Puppids radiant
PPU.Delta
numeric Declination of Pi-Puppids radiant
ETA.Alpha
numeric Right ascension of Eta-Aquarids radiant
ETA.Delta
numeric Declination of Eta-Aquarids radiant
ELY.Alpha
numeric Right ascension of Eta-Lyrids radiant
ELY.Delta
numeric Declination of Eta-Lyrids radiant
JBO.Alpha
numeric Right ascension of June Bootids radiant
JBO.Delta
numeric Declination of June Bootids radiant
CAP.Alpha
numeric Right ascension of Alpha-Capricornids radiant
CAP.Delta
numeric Declination of Alpha-Capricornids radiant
SDA.Alpha
numeric Right ascension of Southern Delta-Aquarids radiant
SDA.Delta
numeric Declination of Southern Delta-Aquarids radiant
PER.Alpha
numeric Right ascension of Perseids radiant
PER.Delta
numeric Declination of Perseids radiant
PAU.Alpha
numeric Right ascension of Piscis Austrinids radiant
PAU.Delta
numeric Declination of Piscis Austrinids radiant
KCG.Alpha
numeric Right ascension of Kappa-Cygnids radiant
KCG.Delta
numeric Declination of Kappa-Cygnids radiant
AUR.Alpha
numeric Right ascension of Alpha-Aurigids radiant
AUR.Delta
numeric Declination of Alpha-Aurigids radiant
SPE.Alpha
numeric Right ascension of September Epsilon-Perseids radiant
SPE.Delta
numeric Declination of September Epsilon-Perseids radiant
STA.Alpha
numeric Right ascension of Southern Taurids radiant
STA.Delta
numeric Declination of Southern Taurids radiant
ORI.Alpha
numeric Right ascension of Orionids radiant
ORI.Delta
numeric Declination of Orionids radiant
DAU.Alpha
numeric Right ascension of Delta-Aurigids radiant
DAU.Delta
numeric Declination of Delta-Aurigids radiant
EGE.Alpha
numeric Right ascension of Epsilon-Geminids radiant
EGE.Delta
numeric Declination of Epsilon-Geminids radiant
NTA.Alpha
numeric Right ascension of Northern Taurids radiant
NTA.Delta
numeric Declination of Northern Taurids radiant
LMI.Alpha
numeric Right ascension of Leo Minorids radiant
LMI.Delta
numeric Right ascension of Leo Minorids radiant
LEO.Alpha
numeric Right ascension of Leonids radiant
LEO.Delta
numeric Declination of Leonids radiant
AMO.Alpha
numeric Right ascension of Alpha-Monocerotids radiant
AMO.Delta
numeric Declination of Alpha-Monocerotids radiant
PHO.Alpha
numeric Right ascension of Phoenicids radiant
PHO.Delta
numeric Declination of Phoenicids radiant
PUP.Alpha
numeric Right ascension of Puppid/Velids radiant
PUP.Delta
numeric Declination of Puppid/Velids radiant
GEM.Alpha
numeric Right ascension of Geminids radiant
GEM.Delta
numeric Declination of Geminids radiant

Source

Meteor Shower Calendar, http://www.imo.net/calendar

Details

Coordinates of radiants of meteor showers are given on 5-days intervals on IMO site. Natural spline interpolation was used to calculate radiant coordinates for in-between days.