B-type star · blue-white star

Delta² Tel

Delta² Tel is a blue-white star in the constellation Telescopium 1,195 ly from Earth. Its surface is about 12,048 K, about 2.1 times the Sun's surface temperature, and it shines at 1,095× the Sun's brightness. At magnitude 5.1 it is bright enough to see with the naked eye; the light you see left it 1,195 years ago.

1,195 lybrightness mag 5.07B3III

Also catalogued as HR 6938 · HD 170523 · HIP 90853

12,048 K
temperature
5.07
apparent magnitude
1,095× ☉
luminosity vs Sun
B3III
spectral type
Distance & comparison with our Sun
1,195 years
at light speed from Earth
2.09×
as hot as the Sun
1,095×
the Sun's light output
-2.75
absolute magnitude
Explore from here · roam the neighborhood
Delta² TelB-type
Sky regionTelescopiumthis direction
StarHR 6937100 ly
StarHR 6804120 ly
StarHD 173047120 ly
StarAlpha Telstar
StarZeta Telstar
Nearest stars
Bright stars in Telescopium
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.1To see it no equipment neededLook toward Telescopium

Star data from the HYG database v4.2 (Astronexus, CC BY-SA 4.0). Temperature and colour computed by gravityfinder from the B-V colour index; the illustration is generated from that temperature, not a photograph.