A-type star · white star

40 Cyg

266 lybrightness mag 5.63A3V

Also catalogued as HR 7826 · HD 195050 · HIP 100907

9,308 K

temperature

5.63

apparent magnitude

32.33× ☉

luminosity vs Sun

A3V

spectral type

Distance & comparison with our Sun

266 years

at light speed from Earth

1.61×

as hot as the Sun

32.33×

the Sun's light output

1.08

absolute magnitude

Explore from here · roam the neighborhood

40 CygA-type

Sky regionCygnusthis direction

Nearest stars

39 Cyg →32 ly apart
HR 8035 →39 ly apart
HR 7867 →39 ly apart
HR 7499 →42 ly apart
HR 7917 →46 ly apart
15 Cyg →48 ly apart

Bright stars in Cygnus

Sadr →mag 2.2
Aljanah →mag 2.5
Fawaris →mag 2.9
64Zet Cyg →mag 3.2
62Xi Cyg →mag 3.7
65Tau Cyg →mag 3.7
10Iot2Cyg →mag 3.8
1Kap Cyg →mag 3.8

Can you see it tonight?

VISIBLE TO THE NAKED EYE

Brightness mag 5.6To 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.