6.53
Apparent Mag300
Distance (ly)M7IIIe
Spectral Type2,918
Temperature (K)Omicron Ceti, also known as Mira, is the prototype of long-period variables, varying from visible to invisible over 332 days.
Stellar Data
Apparent Magnitude6.53
Absolute Magnitude-0.35
Distance300 light-years
Spectral TypeM7IIIe
Temperature2,918 K
Luminosity8,400 L☉
Radius400 R☉
Mass1.18 M☉
Right Ascension02h 19m 20.8s
Declination-02° 58′ 39.5″
ConstellationCetus
Notable Facts
- Also known as Mira, the Wonderful
- It was the first non-supernova variable discovered in 1596
- NASA found a comet-like tail 13 light-years long trailing the star