K-type star · orange dwarf

HD 148531

HD 148531 is an orange dwarf in the constellation Ophiuchus 309 ly from Earth. Its surface is about 3,987 K, about 0.7 times the Sun's surface temperature, and it shines at 20.36× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 309 years ago.

309 lybrightness mag 6.46K5

Also catalogued as HIP 80708

3,987 K
temperature
6.46
apparent magnitude
20.36× ☉
luminosity vs Sun
K5
spectral type
Distance & comparison with our Sun
309 years
at light speed from Earth
0.69×
as hot as the Sun
20.36×
the Sun's light output
1.58
absolute magnitude
Explore from here · roam the neighborhood
HD 148531K-type
Sky regionOphiuchusthis direction
Star36 Her28 ly
Star37 Her31 ly
StarHD 14593632 ly
StarSabikstar
StarZeta Ophstar
Nearest stars
Bright stars in Ophiuchus
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.5To 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.