Octans


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Octans

(ok -tanz) (Octant) An inconspicuous constellation containing and surrounding the south celestial pole, the brightest stars being of 3rd magnitude. The faint (5th-magnitude) Sigma (σ) Octantis is the nearest naked-eye star to the south pole. Abbrev.: Oct; genitive form: Octantis; approx. position: RA 0 – 24h, dec –80°; area: 291 sq deg.

Octans

 

a polar constellation of the southern hemisphere. The brightest star in Octans has a visual magnitude of 3.8. The constellation is not visible in the USSR. The south celestial pole is located in Octans.

Octans

[′äk‚tanz]
(astronomy)
The constellation that includes the south celestial pole. Also known as Octant.
References in periodicals archive ?
Chau and his firm, according to the agency, compromised their independent judgment as collateral manager to a CDO named Octans I CDO Ltd.
They start in the celestial northeast with "I Octans": upper left on the map and on the Moon as seen with the naked eye.
in Vulpecula Messier 15 globular cluster in Pegasus Melotte 227 open cluster in Octans Helix Nebula planetary nebula in Aquarius NGC 6934 globular cluster in Delphinus Messier 30 globular cl.
In the southern skies, Octans lhe Octant rides high at midnight.
The most southerly constellation is Octans, the Octant, an instrument used for navigation prior to the sextant.
THE CONSTELLATIONS VARY not only in their size (giant Hydra versus tiny Crux) and prominence (bright Scorpius versus dim Octans), but also in their lore and meaning.
Situated between Dorado, the Goldfish (S&T: May 2004, page 50), and Octans, the Octant, the stars of Mons Mensae are few and faint.
Bordered by Ara, Apus, Octans, Indus, and Telescopium, Pavo is a distinctive constellation just off the galactic plane.
And the southern sky revolves around a point in the constellation Vela instead of Octans. As on Earth, though, Mars doesn't have an obvious southern pole star.