DECLINATIONS - определение. Что такое DECLINATIONS
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Что (кто) такое DECLINATIONS - определение

ASTRONOMICAL COORDINATE
Angle of declination; Declinations; Declinational; Declinationally; Declination angle
  • vernal equinox]], the ascending node of the [[ecliptic]] (red) on the celestial equator (blue). Declination is measured northward or southward from the celestial equator, along the [[hour circle]] passing through the point in question.
  • [[Right ascension]] (blue) and '''declination''' (green) as seen from outside the [[celestial sphere]].
  • equator]] (green) and is positive northward (towards the top), negative southward (towards the bottom). The lines of ascension (blue) divide the sky into [[small circle]]s, here 15° apart.

Declination         
In astronomy, declination (abbreviated dec; symbol δ) is one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system, the other being hour angle. Declination's angle is measured north or south of the celestial equator, along the hour circle passing through the point in question.
Declination         
·noun The act of inflecting a word; declension. ·see Decline, ·vt, 4.
II. Declination ·noun The act or state of declining or refusing; withdrawal; refusal; averseness.
III. Declination ·noun The act of deviating or turning aside; oblique motion; obliquity; withdrawal.
IV. Declination ·noun The act or state of bending downward; inclination; as, declination of the head.
V. Declination ·noun The angular distance of any object from the celestial equator, either northward or southward.
VI. Declination ·noun The act or state of falling off or declining from excellence or perfection; deterioration; decay; decline.
VII. Declination ·noun The arc of the horizon, contained between the vertical plane and the prime vertical circle, if reckoned from the east or west, or between the meridian and the plane, reckoned from the north or south.
declination         
n.
1.
Bending, inclination.
2.
Deterioration. See declension, 1.
3.
Deviation, departure, oblique movement.
4.
Declinature. See declension, 3.

Википедия

Declination

In astronomy, declination (abbreviated dec; symbol δ) is one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system, the other being hour angle. Declination's angle is measured north or south of the celestial equator, along the hour circle passing through the point in question.

The root of the word declination (Latin, declinatio) means "a bending away" or "a bending down". It comes from the same root as the words incline ("bend forward") and recline ("bend backward").

In some 18th and 19th century astronomical texts, declination is given as North Pole Distance (N.P.D.), which is equivalent to 90 – (declination). For instance an object marked as declination −5 would have an N.P.D. of 95, and a declination of −90 (the south celestial pole) would have an N.P.D. of 180.