sidereal


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Antonyms for sidereal

(of divisions of time) determined by daily motion of the stars

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References in periodicals archive ?
Sidereal time Date sidereal 2019 time Jan 01 06h 41m 25.6s Jan 15 07 36 37.4 Feb 01 08 43 38.9 Feb 15 09 38 50.6 Mar 01 10 34 02.4 Mar 15 11 29 14.1 Apr 01 12 36 15.5 Apr 15 13 31 27.3 May 01 14 34 32.1 May 15 15 29 43.9 Jun 01 16 36 45.3 Jun 15 17 31 57.1 Jul 01 18 35 02.1 Jul 15 19h 30m 13.9s Aug 01 20 37 15.3 Aug 15 21 32 27.1 Sep 01 22 39 28.5 Sep 15 23 34 40.2 Oct 01 00 37 45.1 Oct 15 01 32 56.8 Nov 01 02 39 58.2 Nov 15 03 35 10.0 Dec 01 04 38 14.9 Dec 15 05 33 26.7 Dec 31 06 36 31.7 The table lists sidereal time at longitude 30[degrees] for 02:00 SAST.
"It appears that the Maya were back-calculating mythological events using calculations of the sidereal year that appear to have accurately targeted the Eta Aquariid meteor shower," says Dr.
It makes one complete rotation a day, meaning that it turns a full circle every 24 hours (to be exact, it's once every 23 hours, 56 minutes and 4.09053 seconds, called the sidereal period).
and receive the angular oscillation period 1/[[omega].sub.Sun] = 12.7 sidereal days that is the first harmonic of the equatorial rotation period 25.4 days of the Sun.
The famous clock on Prague's Old Town City Hall (1410), for example, possesses a dial with an astrolabe notably displaying the length of day and night, solar time, sidereal time, the signs of the Zodiac and the apparent movements of the sun and moon.
In March 1610, he published these discoveries in The Sidereal Messenger, which immediately became an international sensation and turned Galileo into a celebrity.
In the article titled "Using Sidereal Rotation Period Expressions to Calculate the Sun's Rotation Period through Observation of Sunspots" [1], there was an error in Table 1, which should be corrected as shown in Table 1.
Conceived in the wake of Lucio Fontana's spatialist revolution, her paintings reject the sidereal dimension of Fontana's work.
Upon publication of these findings in his book The Sidereal Messenger, Galileo became a celebrity.
RIGHT from the off - a piece called Sidereal - there is an unhurried, spacious feel to this album.
By means of calculating solar time (based on the passage of the sun) and sidereal time (based on the rotation of the Earth), the Space Traveller's watch set a new standard for astronomical accuracy with error reduced to 0.28 seconds per day.
This time dependence will explicitly appear in the relevant observable quantities and it can be parameterized as harmonics of the sidereal angle [w.sub.[direct sum]][T.sub.[direct sum]].
In Kerala, the start of the Zodiac New Year is when the sun enters into Sidereal Aries, Ashwini Nakshatra, which is celebrated as Vishu.
A geosynchronous orbit, for those of you who aren't yet conversant, is one with an orbital period of one sidereal day.
By means of having solar timed (based on the passage of the sun) and sidereal time (based on the rotation of the Earth), this watch could make the calculation for you, the difference being 3.555 minutes per day, to an accuracy of 0.8 seconds a year.