Constellation | |
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Abbreviation | Eri |
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Genitive | Eridani |
Pronunciation | /ɪˈrɪdənəs/ Erídanus, genitive /ɪˈrɪdənaɪ/ |
Symbolism | the river Eridanus |
Right ascension | 3.25h |
Declination | −29° |
Quadrant | SQ1 |
Area | 1138 sq. deg. (6th) |
Main stars | 24 |
Bayer/Flamsteed stars | 87 |
Stars with planets | 32 |
Stars brighter than 3.00m | 4 |
Stars within 10.00 pc (32.62 ly) | 13 |
Brightest star | Achernar (α Eri) (0.46m) |
Messier objects | 0 |
Meteor showers | 0 |
Bordering constellations | Cetus Fornax Phoenix Hydrus Tucana (corner) Horologium Caelum Lepus Orion Taurus |
Visible at latitudes between +32° and −90°. Best visible at 21:00 (9 p.m.) during the month of December. |
Eridanus (/ɪˈrɪdənəs/) is a constellation which stretches along the southern celestial hemisphere. It is represented as a river. One of the 48 constellations listed by the 2nd century astronomer Ptolemy, it remains one of the 88 modern constellations. It is the sixth largest of the modern constellations. The same name was later taken as a Latin name for the real Po River and also for the name of a minor river in Athens.[1]
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