M-type star · red

HR 2393

HR 2393 is a red in the constellation Columba 720 ly from Earth. Its surface is about 3,650 K, about 0.6 times the Sun's surface temperature, and it shines at 133× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 720 years ago.

720 lybrightness mag 6.26M2/M3III

Also catalogued as HD 46431 · HIP 31099

3,650 K
temperature
6.26
apparent magnitude
133× ☉
luminosity vs Sun
M2/M3III
spectral type
Distance & comparison with our Sun
720 years
at light speed from Earth
0.63×
as hot as the Sun
133×
the Sun's light output
-0.46
absolute magnitude
Explore from here · roam the neighborhood
HR 2393M-type
Sky regionColumbathis direction
StarElkurud60 ly
StarKappa CMa93 ly
StarHR 268598 ly
StarPhactstar
StarWaznstar
Nearest stars
Bright stars in Columba
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Columba

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.