K-type star · orange

Phi Boo

Phi Boo is an orange in the constellation Boötes 170 ly from Earth. Its surface is about 5,034 K, about 0.9 times the Sun's surface temperature, and it shines at 18.72× the Sun's brightness. At magnitude 5.3 it is bright enough to see with the naked eye; the light you see left it 170 years ago.

170 lybrightness mag 5.25G8III-IV

Also catalogued as HR 5823 · HD 139641 · HIP 76534

5,034 K
temperature
5.25
apparent magnitude
18.72× ☉
luminosity vs Sun
G8III-IV
spectral type
Distance & comparison with our Sun
170 years
at light speed from Earth
0.87×
as hot as the Sun
18.72×
the Sun's light output
1.67
absolute magnitude
Explore from here · roam the neighborhood
Phi BooK-type
Sky regionBoötesthis direction
StarHR 571617 ly
Star40 Boo22 ly
StarHR 596431 ly
StarIzarstar
StarMuphridstar
Nearest stars
Bright stars in Boötes
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.3To see it no equipment neededLook toward Boötes

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.