rightascension

rightascension
right ascension n. Abbr. RA
The angular distance of a celestial body or point on the celestial sphere, measured eastward from the vernal equinox along the celestial equator to the hour circle of the body or point and expressed in degrees or hours.

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Universalium. 2010.

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Look at other dictionaries:

  • Omega2 Cygni — Starbox begin name= omega;2 Cyg AStarbox image caption = Ruchba 1 e 2 Starbox observe epoch=J2000 ra=20h 31m 18.8163s dec=+49° 13 13.07 appmag v=5.468 constell=Cygnus Starbox character class=M2III b v=? u b=? variable=None Starbox astrometry… …   Wikipedia

  • Omega² Cygni — ω2 Cyg A Observation data Epoch J2000      Equinox J2000 Constellation Cygnus Right ascension 20h 31m 18.8163s Declination +49° 13 13.07 …   Wikipedia

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