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The angular distance east of the vernal point (“the solar zenith at the March equinox”); the celestial equivalent of longitude.
Definition source: English Wiktionary via Wiktextract
Topics: astronomy, natural-sciences
Examples
- 1988, Peter Duffett-Smith, Practical Astronomy with Your Calculator, page 35, The hour-angle, H, and the right ascension, α, are related by the simple formula H = LST − α, where LST is the local sidereal time.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
(astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere
Definition source: Princeton WordNet 3.0
Examples
- one hour of right ascension equals fifteen degrees
Meaning relationships
Synonyms: RA, celestial longitude
Antonyms: none provided
Broader terms: angular distance
No etymology was provided for this word.
Across languages
Translations
16 source translations are retained for this English entry.
-
Arabic:
مُطَّلَعً مُسْتَقِيم
(muṭṭalaʕan mustaqīm)
— angular distance
-
Chinese Mandarin:
赤經 /赤经
(chìjīng)
— angular distance
-
Czech:
rektascenze
— angular distance
-
Dutch:
rechte klimming
— angular distance
-
Finnish:
rektaskensio
— angular distance
-
German:
Rektaszension
— angular distance
-
Japanese:
赤経
— angular distance
-
Korean:
적경
(jeokgyeong)
— angular distance
-
Persian:
بعد
(bo'd)
— angular distance
-
Persian:
مطلع مستقیم
(matla'-e mostaqim)
— angular distance
-
Polish:
rektascensja
— angular distance
-
Russian:
прямое восхождение
(prjamoje vosxoždenije)
— angular distance
-
Serbo-Croatian:
rektascenzija
— angular distance
-
Swedish:
rektascension
— angular distance
-
Turkish:
sağ açıklık
— angular distance
-
Vietnamese:
xích kinh
— angular distance
