Omicron Eridani
Encyclopedia
Omicron Eridani refers to 2 distinct star systems in the constellation
Eridanus
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Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....
Eridanus
Eridanus (constellation)
Eridanus is a constellation. It is represented as a river; its name is the Ancient Greek name for the Po River. It was one of the 48 constellations listed by the 2nd century astronomer Ptolemy, and it remains one of the 88 modern constellations. It is the sixth largest of the modern...
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- Omicron¹ Eridani (ο¹ Eridani), or 38 Eridani, with traditional name “Beid”
- Omicron² Eridani (ο² Eridani), better known as 40 Eridani40 Eridani40 Eridani is a triple star system less than 16.5 light years away from Earth. It is in the constellation Eridanus. The primary star of the system, 40 Eridani A, is easily visible to the naked eye...
, with traditional name “Keid”