K-type star · orange

Marsic B

Marsic B is an orange in the constellation Hercules 2,104 ly from Earth. Its surface is about 4,430 K, about 0.8 times the Sun's surface temperature, and it shines at 1,146× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 2,104 years ago.

2,104 lybrightness mag 6.25K1III

Also catalogued as Kappa Her · HR 6009 · HD 145000 · HIP 79045

4,430 K
temperature
6.25
apparent magnitude
1,146× ☉
luminosity vs Sun
K1III
spectral type
Distance & comparison with our Sun
2,104 years
at light speed from Earth
0.77×
as hot as the Sun
1,146×
the Sun's light output
-2.80
absolute magnitude
Explore from here · roam the neighborhood
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.