M-type star · red

103 Aqr

103 Aqr is a red in the constellation Aquarius 757 ly from Earth. Its surface is about 3,677 K, about 0.6 times the Sun's surface temperature, and it shines at 337× the Sun's brightness. At magnitude 5.4 it is bright enough to see with the naked eye; the light you see left it 757 years ago.

757 lybrightness mag 5.36K4/K5III

Also catalogued as HR 8980 · HD 222547 · HIP 116889

3,677 K
temperature
5.36
apparent magnitude
337× ☉
luminosity vs Sun
K4/K5III
spectral type
Distance & comparison with our Sun
757 years
at light speed from Earth
0.64×
as hot as the Sun
337×
the Sun's light output
-1.47
absolute magnitude
Explore from here · roam the neighborhood
103 AqrM-type
Sky regionAquariusthis direction
Star104 Aqr82 ly
StarHR 9096130 ly
Star1 Cet150 ly
StarSadalsuudstar
StarSadalmelikstar
Nearest stars
Bright stars in Aquarius
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.4To see it no equipment neededLook toward Aquarius

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.