Corona Australis

Corona Australis
Constellation

List of stars in Corona Australis
Abbreviation CrA
Genitive Coronae Australis /
Coronae Austrinae
Pronunciation /kɵˈrnə ɒˈstrlɨs/ or /kɵˈrnə ɒˈstrnə/, genitive /kɵˈrn/
Symbolism The Southern Crown
Right ascension 19 h
Declination −40°
Quadrant SQ3
Area 128 sq. deg. (80th)
Main stars 6
Bayer/Flamsteed
stars
14
Stars with planets 0
Stars brighter than 3.00m 0
Stars within 10.00 pc (32.62 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 ( /kɵˈrnə ɒˈstrlɨs/) or Corona Austrina ( /kɵˈrnə ɒˈstrnə/) 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'.

CrA also 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.

Equivalents

In Chinese astronomy, the stars of Corona Australis are located within the Black Tortoise of the North (北方玄武, Běi Fāng Xuán Wǔ)[1]

See also

References

External links

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