B-type star · blue-white star

Iota¹ Cyg

Iota¹ Cyg is a blue-white star in the constellation Cygnus 351 ly from Earth. Its surface is about 10,150 K, about 1.8 times the Sun's surface temperature, and it shines at 51.43× the Sun's brightness. At magnitude 5.7 it is bright enough to see with the naked eye; the light you see left it 351 years ago.

351 lybrightness mag 5.73A1V

Also catalogued as HR 7408 · HD 183534 · HIP 95656

10,150 K
temperature
5.73
apparent magnitude
51.43× ☉
luminosity vs Sun
A1V
spectral type
Distance & comparison with our Sun
351 years
at light speed from Earth
1.76×
as hot as the Sun
51.43×
the Sun's light output
0.57
absolute magnitude
Explore from here · roam the neighborhood
Iota¹ CygB-type
Sky regionCygnusthis direction
StarHD 1851149.0 ly
Star51 Dra25 ly
StarHR 763230 ly
StarSadrstar
StarAljanahstar
Nearest stars
Bright stars in Cygnus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.7To 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.