M-type star · red

HD 159968

HD 159968 is a red in the constellation Hercules 771 ly from Earth. Its surface is about 3,669 K, about 0.6 times the Sun's surface temperature, and it shines at 138× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 771 years ago.

771 lybrightness mag 6.37M1II

Also catalogued as HIP 86153

3,669 K
temperature
6.37
apparent magnitude
138× ☉
luminosity vs Sun
M1II
spectral type
Distance & comparison with our Sun
771 years
at light speed from Earth
0.64×
as hot as the Sun
138×
the Sun's light output
-0.50
absolute magnitude
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BINOCULARS NEEDED
Brightness mag 6.4To see it 50 mm binocularsLook toward Hercules

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.