B-type star · blue-white star

Omega¹ Cyg

Omega¹ Cyg is a blue-white star in the constellation Cygnus 909 ly from Earth. Its surface is about 11,359 K, about 2.0 times the Sun's surface temperature, and it shines at 714× the Sun's brightness. At magnitude 4.9 it is bright enough to see with the naked eye; the light you see left it 909 years ago.

909 lybrightness mag 4.94B2.5IV

Also catalogued as HR 7844 · HD 195556 · HIP 101138

11,359 K
temperature
4.94
apparent magnitude
714× ☉
luminosity vs Sun
B2.5IV
spectral type
Distance & comparison with our Sun
909 years
at light speed from Earth
1.97×
as hot as the Sun
714×
the Sun's light output
-2.29
absolute magnitude
Explore from here · roam the neighborhood
Omega¹ CygB-type
Sky regionCygnusthis direction
Star31 Cyg60 ly
StarHR 7843120 ly
StarHR 8062130 ly
StarSadrstar
StarAljanahstar
Nearest stars
Bright stars in Cygnus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.9To see it no equipment neededLook toward Cygnus

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.