B-type star · blue-white star

HR 7640

465 lybrightness mag 5.51B9Vn

Also catalogued as HD 189395 · HIP 98325

10,941 K

temperature

5.51

apparent magnitude

111× ☉

luminosity vs Sun

B9Vn

spectral type

Distance & comparison with our Sun

465 years

at light speed from Earth

1.90×

as hot as the Sun

111×

the Sun's light output

-0.26

absolute magnitude

Explore from here · roam the neighborhood

HR 7640B-type

Sky regionCygnusthis direction

Nearest stars

HD 187614 →36 ly apart
HR 7481 →48 ly apart
HR 7601 →55 ly apart
18 Vul →56 ly apart
HR 7530 →60 ly apart
HR 7760 →61 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 5.5To 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.