mean sidereal time

mean sidereal time

See sidereal time.

mean sidereal time

[′mēn si′dir·ē·əl ′tīm]
(astronomy)
Sidereal time adjusted for nutation, to eliminate slight irregularities in the rate.
References in periodicals archive ?
I would love to see Voyager 4's Time panel simultaneously show Local Mean Solar Time, Local Apparent Solar Time, Zone Time, Universal Time, and Local Mean Sidereal Time.
h] Next Day, where RA is the star's right ascension and GMST is the Greenwich Mean Sidereal Time at [0.