K-type star · orange

HR 2440

HR 2440 is an orange in the constellation Monoceros 759 ly from Earth. Its surface is about 3,839 K, about 0.7 times the Sun's surface temperature, and it shines at 165× the Sun's brightness. At magnitude 6.1 it is within reach of 50 mm binoculars; the light you see left it 758 years ago.

759 lybrightness mag 6.14K2

Also catalogued as HD 47420 · HIP 31733

3,839 K
temperature
6.14
apparent magnitude
165× ☉
luminosity vs Sun
K2
spectral type
Distance & comparison with our Sun
758 years
at light speed from Earth
0.67×
as hot as the Sun
165×
the Sun's light output
-0.69
absolute magnitude
Explore from here · roam the neighborhood
HR 2440K-type
Sky regionMonocerosthis direction
StarHR 241836 ly
StarHR 233580 ly
StarHR 238195 ly
StarAlpha Monstar
StarGamma Monstar
Nearest stars
Bright stars in Monoceros
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.1To see it 50 mm binocularsLook toward Monoceros

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.