sidereal hour


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Related to sidereal hour: sidereal time

sidereal hour

n.
A 24th part of a sidereal day.

sidereal hour

n
(Astronomy) a 24th part of a sidereal day
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sidereal hour - 1/24 of a sidereal day
sidereal time - measured by the diurnal motion of stars
60 minutes, hour, hr - a period of time equal to 1/24th of a day; "the job will take more than an hour"
References in periodicals archive ?
To make the modern calculations, the following information must be available: the selected position of the observer, both latitude and longitude; the declinations and sidereal Hour Angles of both stars, and a table of Greenwich Hour Angles for Aries as a function of time.