B-type star · blue-white star

HR 6821

HR 6821 is a blue-white star in the constellation Telescopium 397 ly from Earth. Its surface is about 10,738 K, about 1.9 times the Sun's surface temperature, and it shines at 48.66× the Sun's brightness. At magnitude 6.1 it is within reach of 50 mm binoculars; the light you see left it 397 years ago.

397 lybrightness mag 6.06B9V

Also catalogued as HD 167257 · HIP 89597

10,738 K
temperature
6.06
apparent magnitude
48.66× ☉
luminosity vs Sun
B9V
spectral type
Distance & comparison with our Sun
397 years
at light speed from Earth
1.86×
as hot as the Sun
48.66×
the Sun's light output
0.63
absolute magnitude
Explore from here · roam the neighborhood
HR 6821B-type
Sky regionTelescopiumthis direction
StarHR 700535 ly
StarEpsilon Tel42 ly
StarHR 698651 ly
StarAlpha Telstar
StarZeta Telstar
Nearest stars
Bright stars in Telescopium
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.1To see it 50 mm binocularsLook 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.