B-type star · blue-white star
HR 7249
HR 7249 is a blue-white star in the constellation Sagittarius 1,294 ly from Earth. Its surface is about 11,359 K, about 2.0 times the Sun's surface temperature, and it shines at 819× the Sun's brightness. At magnitude 5.6 it is bright enough to see with the naked eye; the light you see left it 1,294 years ago.
Also catalogued as HD 178175 · HIP 93996
11,359 K
temperature
5.56
apparent magnitude
819× ☉
luminosity vs Sun
B2V
spectral type
Distance & comparison with our Sun
1,294 years
at light speed from Earth
1.97×
as hot as the Sun
819×
the Sun's light output
-2.43
absolute magnitude
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Nearest stars
Can you see it tonight?
VISIBLE TO THE NAKED EYE
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.