A-type star · white star

HR 2442

HR 2442 is a white star in the constellation Monoceros 2,174 ly from Earth. Its surface is about 9,165 K, about 1.6 times the Sun's surface temperature, and it shines at 1,247× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 2,174 years ago.

2,174 lybrightness mag 6.23O9.5II

Also catalogued as HD 47432 · HIP 31766

9,165 K
temperature
6.23
apparent magnitude
1,247× ☉
luminosity vs Sun
O9.5II
spectral type
Distance & comparison with our Sun
2,174 years
at light speed from Earth
1.59×
as hot as the Sun
1,247×
the Sun's light output
-2.89
absolute magnitude
Explore from here · roam the neighborhood
HR 2442A-type
Sky regionMonocerosthis direction
StarHR 2865510 ly
StarHR 2651530 ly
StarHR 2694530 ly
StarBeta Monstar
StarAlpha Monstar
Nearest stars
Bright stars in Monoceros
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.2To 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.