K-type star · orange dwarf

HR 551

HR 551 is an orange dwarf in the constellation Andromeda 294 ly from Earth. Its surface is about 4,191 K, about 0.7 times the Sun's surface temperature, and it shines at 22.43× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 294 years ago.

294 lybrightness mag 6.25K2

Also catalogued as HD 11613 · HIP 8922

4,191 K
temperature
6.25
apparent magnitude
22.43× ☉
luminosity vs Sun
K2
spectral type
Distance & comparison with our Sun
294 years
at light speed from Earth
0.73×
as hot as the Sun
22.43×
the Sun's light output
1.47
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Andromeda

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.