A-type star · white star

HR 6240

HR 6240 is a white star in the constellation Ophiuchus 242 ly from Earth. Its surface is about 7,909 K, about 1.4 times the Sun's surface temperature, and it shines at 16.11× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 242 years ago.

242 lybrightness mag 6.18A3V

Also catalogued as HD 151676 · HIP 82339

7,909 K
temperature
6.18
apparent magnitude
16.11× ☉
luminosity vs Sun
A3V
spectral type
Distance & comparison with our Sun
242 years
at light speed from Earth
1.37×
as hot as the Sun
16.11×
the Sun's light output
1.83
absolute magnitude
Explore from here · roam the neighborhood
HR 6240A-type
Sky regionOphiuchusthis direction
StarPhi Oph19 ly
StarHR 629632 ly
StarHR 605339 ly
StarSabikstar
StarZeta Ophstar
Nearest stars
Bright stars in Ophiuchus
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.2To see it 50 mm binocularsLook toward Ophiuchus

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.