B-type star · blue-white star

HR 7403

HR 7403 is a blue-white star in the constellation Lyra 2,363 ly from Earth. Its surface is about 11,920 K, about 2.1 times the Sun's surface temperature, and it shines at 1,382× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 2,363 years ago.

2,363 lybrightness mag 6.30B3Ve

Also catalogued as HD 183362 · HIP 95673

11,920 K
temperature
6.30
apparent magnitude
1,382× ☉
luminosity vs Sun
B3Ve
spectral type
Distance & comparison with our Sun
2,363 years
at light speed from Earth
2.07×
as hot as the Sun
1,382×
the Sun's light output
-3.00
absolute magnitude
Explore from here · roam the neighborhood
HR 7403B-type
Sky regionLyrathis direction
StarHD 185435260 ly
StarHR 7567320 ly
StarHR 7568350 ly
StarSulafatstar
StarSheliakstar
Nearest stars
Bright stars in Lyra
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Lyra

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.