3.32
Apparent Mag122
Distance (ly)K1III
Spectral Type4,660
Temperature (K)Tau Sagittarii is an orange giant in Sagittarius. It is the closest star to the direction from which the Wow! signal was received in 1977.
Stellar Data
Apparent Magnitude3.32
Absolute Magnitude0.48
Distance122 light-years
Spectral TypeK1III
Temperature4,660 K
Luminosity65 L☉
Radius12 R☉
Mass1.5 M☉
Right Ascension19h 06m 56.4s
Declination-27° 40′ 13.5″
ConstellationSagittarius
Notable Facts
- Tau Sagittarii is the closest star to the Wow! signal direction
- The Wow! signal was a strong radio burst detected in 1977
- The star is an ordinary K-type giant