M-type star · red

HR 4645

HR 4645 is a red in the constellation Musca 1,639 ly from Earth. Its surface is about 3,416 K, about 0.6 times the Sun's surface temperature, and it shines at 836× the Sun's brightness. At magnitude 6.0 it is within reach of 50 mm binoculars; the light you see left it 1,639 years ago.

1,639 lybrightness mag 6.05F6Ib

Also catalogued as HD 106111 · HIP 59551

3,416 K
temperature
6.05
apparent magnitude
836× ☉
luminosity vs Sun
F6Ib
spectral type
Distance & comparison with our Sun
1,639 years
at light speed from Earth
0.59×
as hot as the Sun
836×
the Sun's light output
-2.46
absolute magnitude
Explore from here · roam the neighborhood
HR 4645M-type
Sky regionMuscathis direction
StarHR 4472280 ly
StarHR 4186310 ly
StarHD 93739310 ly
StarAlpha Musstar
StarBeta Musstar
Nearest stars
Bright stars in Musca
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.0To see it 50 mm binocularsLook toward Musca

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.