Wen Yen Jen
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Pisces |
| Right ascension | 01h 31m 29s |
| Declination | +15° 20' 45" |
| Apparent magnitude (V) | +3.62 |
| Distance | 294 ly (90 pc) |
| Spectral type | G7IIIa |
| Other designations | |
Wen Yen Jen (η Psc / η Piscium) is the brightest star in the constellation Pisces. Wen Yen Jen is located at a distance of about 294 light years from Earth and shines at magnitude +3.62. It is of Spectral type G7 III. The star has an obscure Babylonian proper name Kullat Nunu.
The total luminosity of this star is 316 times that of the Sun while its surface temperature is 4930 kelvins. The star has a radius of 26 times solar while its mass is 3.5 to 4 solar masses.
Wen Yen Jen has a faint companion star with a separation of about 1".
