From 6fc7fcd736ca998c53ab699c1e79d5e9ba2ce286 Mon Sep 17 00:00:00 2001 From: Don Cross Date: Thu, 9 May 2019 20:53:53 -0400 Subject: [PATCH] Checking in documentation changes. --- source/js/README.md | 2 +- source/js/astronomy.js | 3 +-- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/source/js/README.md b/source/js/README.md index ed041519..d7b744ab 100644 --- a/source/js/README.md +++ b/source/js/README.md @@ -56,7 +56,7 @@ to create a Time object. | Name | Type | Description | | --- | --- | --- | | date | Date | The JavaScript Date object for the given date and time. This Date corresponds to the numeric day value stored in the ut property. | -| ut | number | Universal Time (UT1/UTC) in fractional days since the J2000 epoch. Universal Time represents time measured with respect to the Earth's rotation, tracking mean solar days. The Astronomy library approximates UT1 and UTC as being the same thing. This gives sufficient accuracy for the 1-arcminute angular resolution requirement of this project. | +| ut | number | Universal Time (UT1/UTC) in fractional days since the J2000 epoch. Universal Time represents time measured with respect to the Earth's rotation, tracking mean solar days. The Astronomy library approximates UT1 and UTC as being the same thing. This gives sufficient accuracy for the precision requirements of this project. | | tt | number | Terrestrial Time in fractional days since the J2000 epoch. TT represents a continuously flowing ephemeris timescale independent of any variations of the Earth's rotation, and is adjusted from UT using historical and predictive models of those variations. | diff --git a/source/js/astronomy.js b/source/js/astronomy.js index 3b45bfb1..25e1c4d5 100644 --- a/source/js/astronomy.js +++ b/source/js/astronomy.js @@ -1159,8 +1159,7 @@ function TerrestrialTime(ut) { * Universal Time represents time measured with respect to the Earth's rotation, * tracking mean solar days. * The Astronomy library approximates UT1 and UTC as being the same thing. - * This gives sufficient accuracy for the 1-arcminute angular resolution requirement - * of this project. + * This gives sufficient accuracy for the precision requirements of this project. * * @property {number} tt * Terrestrial Time in fractional days since the J2000 epoch.