K-type star · orange

HR 722

HR 722 is an orange in the constellation Horologium 753 ly from Earth. Its surface is about 3,777 K, about 0.7 times the Sun's surface temperature, and it shines at 129× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 753 years ago.

753 lybrightness mag 6.39M5III

Also catalogued as HD 15379 · HIP 11293

3,777 K
temperature
6.39
apparent magnitude
129× ☉
luminosity vs Sun
M5III
spectral type
Distance & comparison with our Sun
753 years
at light speed from Earth
0.65×
as hot as the Sun
129×
the Sun's light output
-0.43
absolute magnitude
Explore from here · roam the neighborhood
HR 722K-type
Sky regionHorologiumthis direction
StarPi¹ Hyi33 ly
StarHR 468130 ly
StarHR 1053140 ly
StarAlpha Horstar
StarDelta Horstar
Nearest stars
Bright stars in Horologium
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.4To see it 50 mm binocularsLook toward Horologium

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.