K-type star · orange dwarf

HR 4749

HR 4749 is an orange dwarf in the constellation Crux 138 ly from Earth. Its surface is about 4,943 K, about 0.9 times the Sun's surface temperature, and it shines at 5.42× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 138 years ago.

138 lybrightness mag 6.15K0/K1III

Also catalogued as HD 108570 · HIP 60870

4,943 K
temperature
6.15
apparent magnitude
5.42× ☉
luminosity vs Sun
K0/K1III
spectral type
Distance & comparison with our Sun
138 years
at light speed from Earth
0.86×
as hot as the Sun
5.42×
the Sun's light output
3.02
absolute magnitude
Explore from here · roam the neighborhood
HR 4749K-type
Sky regionCruxthis direction
StarHR 498016 ly
StarUklun17 ly
StarGamma Cen20 ly
StarGacruxstar
StarImaistar
Nearest stars
Bright stars in Crux
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.2To see it 50 mm binocularsLook toward Crux

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.