K-type star · orange

HR 6666

HR 6666 is an orange in the constellation Serpens 300 ly from Earth. Its surface is about 4,493 K, about 0.8 times the Sun's surface temperature, and it shines at 25.10× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 300 years ago.

300 lybrightness mag 6.17K1III:

Also catalogued as HD 162757 · HIP 87540

4,493 K
temperature
6.17
apparent magnitude
25.10× ☉
luminosity vs Sun
K1III:
spectral type
Distance & comparison with our Sun
300 years
at light speed from Earth
0.78×
as hot as the Sun
25.10×
the Sun's light output
1.35
absolute magnitude
Explore from here · roam the neighborhood
HR 6666K-type
Sky regionSerpensthis direction
StarHR 650440 ly
StarHR 689247 ly
StarHR 667948 ly
StarUnukalhaistar
StarEta Serstar
Nearest stars
Bright stars in Serpens
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.2To see it 50 mm binocularsLook toward Serpens

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.