K-type star · orange

HR 7742

HR 7742 is an orange in the constellation Cepheus 580 ly from Earth. Its surface is about 3,830 K, about 0.7 times the Sun's surface temperature, and it shines at 131× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 580 years ago.

580 lybrightness mag 5.81K5III

Also catalogued as HD 192781 · HIP 99663

3,830 K
temperature
5.81
apparent magnitude
131× ☉
luminosity vs Sun
K5III
spectral type
Distance & comparison with our Sun
580 years
at light speed from Earth
0.66×
as hot as the Sun
131×
the Sun's light output
-0.44
absolute magnitude
Explore from here · roam the neighborhood
HR 7742K-type
Sky regionCepheusthis direction
Star64 Dra45 ly
StarHR 793853 ly
StarHR 782758 ly
StarAlderaminstar
StarErraistar
Nearest stars
Bright stars in Cepheus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.8To see it no equipment neededLook toward Cepheus

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.