3.51
Apparent Mag249
Distance (ly)B3IV
Spectral Type17,500
Temperature (K)Alpha Telescopii is the brightest star in Telescopium (the Telescope), a hot blue subgiant.
Stellar Data
Apparent Magnitude3.51
Absolute Magnitude-0.93
Distance249 light-years
Spectral TypeB3IV
Temperature17,500 K
Luminosity800 L☉
Radius3.3 R☉
Mass5.2 M☉
Right Ascension18h 26m 58.4s
Declination-45° 58′ 06.5″
ConstellationTelescopium
Notable Facts
- Alpha Telescopii is a hot B-type subgiant
- Telescopium represents the telescope
- The star is about 800 times more luminous than the Sun