K-type star · orange

HR 2903

HR 2903 is an orange in the constellation Lynx 550 ly from Earth. Its surface is about 3,705 K, about 0.6 times the Sun's surface temperature, and it shines at 135× the Sun's brightness. At magnitude 5.7 it is bright enough to see with the naked eye; the light you see left it 550 years ago.

550 lybrightness mag 5.66M0III

Also catalogued as HD 60437 · HIP 37023

3,705 K
temperature
5.66
apparent magnitude
135× ☉
luminosity vs Sun
M0III
spectral type
Distance & comparison with our Sun
550 years
at light speed from Earth
0.64×
as hot as the Sun
135×
the Sun's light output
-0.47
absolute magnitude
Explore from here · roam the neighborhood
HR 2903K-type
Sky regionLynxthis direction
StarHR 284455 ly
StarHR 273783 ly
StarHR 289895 ly
StarAlpha Lynstar
Star38 Lynstar
Nearest stars
Bright stars in Lynx
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.7To see it no equipment neededLook toward Lynx

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.