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Corona Australis
Corona Australis
List of stars in Corona Australis
Abbreviation CrA
Genitive Coronae Australis /
Coronae Austrinae
Pronunciation /kɵˈroʊnə ɒˈstreɪlɨs/ or /kɵˈroʊnə ɒˈstraɪnə/, genitive /kɵˈroʊniː/
Symbolism The Southern Crown
Right ascension 19 h
Declination −40°
Family Hercules
Quadrant SQ3
Area 128 sq. deg. (80th)
Main stars 6
Bayer/Flamsteed
stars
14
Stars with
known planets
0
Stars brighter than 3m 0
Stars within 10 pc (32.6 ly) 0
Brightest star α CrA (4.10m)
Nearest star HD 166348
(42.26 ly, 12.96 pc)
Messier objects 0
Meteor showers Beta Corona Austrinids
Bordering
constellations
Sagittarius
Scorpius
Ara
Telescopium
Visible at latitudes between +40° and −90°.
Best visible at 21:00 (9 p.m.) during the month of August.

Corona Australis or Corona Austrina is a constellation. Its name means "southern crown", and it contrasts with Corona Borealis, the northern crown. Corona Australis was one of the 48 constellations listed by the 2nd century astronomer Ptolemy, and it remains one of the 88 modern constellations.

Contents

Stars

The only star in the constellation to have received a name is Alfecca Meridiana, or Alpha CrA. The name combines the Arabic name of the constellation with the Latin for 'middle'.

It harbours RX J1856.5-3754, an isolated neutron star that is one of the closest to the earth at approximately 200 light years and suspected to be a strange star.

See also

References

  • The Cambridge Guide to the Constellations, Michael E. Bakich, Cambridge University Press, 1995, pg. 85
  • Ian Ridpath and Wil Tirion (2007). Stars and Planets Guide, Collins, London. ISBN 978-0007251209. Princeton University Press, Princeton. ISBN 978-0691135564.

External links

Coordinates: Sky map 19h 00m 00s, −40° 00′ 00″

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Wiktionary

Up to date as of January 15, 2010

Definition from Wiktionary, a free dictionary

Contents

English

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Etymology

From Latin corona australis (southern crown).

Proper noun

Singular
Corona Australis

Plural
-

Corona Australis

  1. (astronomy) A small summer constellation of the northern sky said to resemble a crown.

Usage notes

The official name has changed to Corona Austrina, but the name Corona Australis is more widely used.

Derived terms

Synonyms

See also


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