meridian passage

meridian passage

The passage of a star across the meridian (see culmination) or of an inferior planet across the Sun (see transit).

meridian passage

[mə′rid·ē·ən ‚pas·ij]
(astronomy)
The passage of a celestial body across an observer's meridian.

meridian passage

The time at which a heavenly body crosses the observer's celestial meridian.
References in classic literature ?
It is nearly of the second magnitude, and its meridian passage is--"
It is an extremely fine, rare and unusual astronomic, self-winding, 18K yellow gold wristwatch with mean time indication, nocturnal sky chart of the Northern Hemisphere, moon phases and moon orbit, time of the meridian passage of Sirius and moon.
During their stay at Het Behouden Huys, Barents's crew took nine altitudes of the sun at meridian passage and two for stars, in order to find the latitude.
Sights of the sun and stars were taken at meridian passage with a marine astrolabe (Stimson, 1988) or with a cross-staff (Morzer Bruyns, 1994), and occasionally with an astronomical ring.
Latitude was obtained from the altitude at upper (south) meridian passage by the formula:
to find the declinations at local meridian passage on the corrected journal dates (see Table 1).
For the sight reduction of this observation, the precise date is not important: the sun was near its solstice, and the computer-calculated declination at meridian passage is 23[degrees]29' for 23 June or 23[degrees]27' for 25 June.
Scores of these Moonwatch "apogee" telescopes were made and used: the idea was to note the precise meridian passage of the satellites based on shortwave-radio time signals.
Buffington intends to make the meridian measurements with a Ronchi telescope, to telescope with a grating in the eyepiece to ensure very precise determination of the instant of a given star's meridian passage.