B-type star · blue-white star

4 Aql

4 Aql is a blue-white star in the constellation Aquila 465 ly from Earth. Its surface is about 10,868 K, about 1.9 times the Sun's surface temperature, and it shines at 174× the Sun's brightness. At magnitude 5.0 it is bright enough to see with the naked eye; the light you see left it 465 years ago.

465 lybrightness mag 5.02B9V

Also catalogued as HR 7040 · HD 173370 · HIP 91975

10,868 K
temperature
5.02
apparent magnitude
174× ☉
luminosity vs Sun
B9V
spectral type
Distance & comparison with our Sun
465 years
at light speed from Earth
1.88×
as hot as the Sun
174×
the Sun's light output
-0.75
absolute magnitude
Explore from here · roam the neighborhood
4 AqlB-type
Sky regionAquilathis direction
Star59 Ser39 ly
StarHR 701048 ly
StarHR 714452 ly
StarTarazedstar
StarOkabstar
Nearest stars
Bright stars in Aquila
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.0To see it no equipment neededLook toward Aquila

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.