K-type star · orange

57 Her

57 Her is an orange in the constellation Hercules 553 ly from Earth. Its surface is about 4,972 K, about 0.9 times the Sun's surface temperature, and it shines at 77.70× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 553 years ago.

553 lybrightness mag 6.27G5III:

Also catalogued as HR 6305 · HD 153287 · HIP 82987

4,972 K
temperature
6.27
apparent magnitude
77.70× ☉
luminosity vs Sun
G5III:
spectral type
Distance & comparison with our Sun
553 years
at light speed from Earth
0.86×
as hot as the Sun
77.70×
the Sun's light output
0.12
absolute magnitude
Explore from here · roam the neighborhood
57 HerK-type
Sky regionHerculesthis direction
StarHR 641945 ly
StarHR 630760 ly
StarHR 635263 ly
StarKornephorosstar
StarRasalgethistar
Nearest stars
Bright stars in Hercules
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To 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.