Omicron Draconis

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Omicron Draconis
Observation data
Epoch J2000
Constellation
(pronunciation)
Draco
Right ascension 18h 51.322m
Declination −59° 23.794'
Apparent magnitude (V) 4.62
Distance 322.93 ly
(99.1 pc)
Spectral type K2III
Other designations
Bayer designation Omicron, Flamsteed 47, HIP 92512 or TYC3930-1790-1

Omicron Draconis (ο Dra / ο Draconis) is a supergiant star in the constellation Draco located 322.93 light years from the Earth. It has a radius of 30 solar radii, and a luminosity of 269 suns. Its path in the night sky is circumpolar above the ecliptic, meaning the star never rises or sets when viewed in the night sky.

Omicron Draconis can be considered the north pole star of Mercury, as it is the closest star to Mercury's north celestial pole.

[edit] References

  1. 2004. Starry Night Pro, Version 5.8.4. Imaginova. ISBN 978-0-07-333666-4. www.starrynight.com