B-type star · blue-white star

HR 7757

2,204 lybrightness mag 6.47B6III

Also catalogued as HD 192987 · HIP 99929

11,523 K

temperature

6.47

apparent magnitude

1,027× ☉

luminosity vs Sun

B6III

spectral type

Distance & comparison with our Sun

2,204 years

at light speed from Earth

2.00×

as hot as the Sun

1,027×

the Sun's light output

-2.68

absolute magnitude

Explore from here · roam the neighborhood

HR 7757B-type

Sky regionCygnusthis direction

Nearest stars

HR 7567 →250 ly apart
HR 7767 →290 ly apart
Cygnus X-1 →300 ly apart
HD 185435 →310 ly apart
HR 7762 →350 ly apart
HR 7502 →390 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?

BINOCULARS NEEDED

Brightness mag 6.5To see it 50 mm binocularsLook 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.