astro-0.4.2.1: Amateur astronomical computations

CopyrightAlexander Ignatyev 2016
Safe HaskellSafe
LanguageHaskell2010

Data.Astro.Time.Epoch

Contents

Description

Definitions of well-known astronomical epochs.

Synopsis

Epochs

Besselian Epochs

b1900 :: JulianDate Source #

Epoch B1900.0, 1900 January 0.8135

b1950 :: JulianDate Source #

Epoch B1950.0, 1950 January 0.9235

New Epochs

j1900 :: JulianDate Source #

Epoch J1900.0 1900 January 0.5

j2000 :: JulianDate Source #

Epoch J2000.0, 12h on 1 January 2000

j2050 :: JulianDate Source #

Epoch J2050.0, 0h on 1 January 2050

Well-known epochs

j2010 :: JulianDate Source #

The Sun's and planets reference Epoch J2010.0 (2010 January 0.0)