A-type star · white star

Omicron¹ Cnc

Omicron¹ Cnc is a white star in the constellation Cancer 149 ly from Earth. Its surface is about 8,580 K, about 1.5 times the Sun's surface temperature, and it shines at 14.87× the Sun's brightness. At magnitude 5.2 it is bright enough to see with the naked eye; the light you see left it 149 years ago.

149 lybrightness mag 5.22A5III

Also catalogued as HR 3561 · HD 76543 · HIP 43970

8,580 K
temperature
5.22
apparent magnitude
14.87× ☉
luminosity vs Sun
A5III
spectral type
Distance & comparison with our Sun
149 years
at light speed from Earth
1.49×
as hot as the Sun
14.87×
the Sun's light output
1.92
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.2To see it no equipment neededLook toward Cancer

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.