K-type star · orange
Tianfu
Tianfu is an orange in the constellation Aquila 462 ly from Earth. Its surface is about 4,596 K, about 0.8 times the Sun's surface temperature, and it shines at 109× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 462 years ago.
Also catalogued as Tau Aql · HR 7669 · HD 190327 · HIP 98823
4,596 K
temperature
5.51
apparent magnitude
109× ☉
luminosity vs Sun
K0III
spectral type
Distance & comparison with our Sun
462 years
at light speed from Earth
0.80×
as hot as the Sun
109×
the Sun's light output
-0.25
absolute magnitude
Explore from here · roam the neighborhood
Nearest stars
Can you see it tonight?
VISIBLE TO THE NAKED EYE
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.