B-type star · blue-white star

55 Dra

55 Dra is a blue-white star in the constellation Draco 305 ly from Earth. Its surface is about 10,027 K, about 1.7 times the Sun's surface temperature, and it shines at 23.83× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 305 years ago.

305 lybrightness mag 6.26A0V

Also catalogued as HR 7290 · HD 179933 · HIP 94140

10,027 K
temperature
6.26
apparent magnitude
23.83× ☉
luminosity vs Sun
A0V
spectral type
Distance & comparison with our Sun
305 years
at light speed from Earth
1.74×
as hot as the Sun
23.83×
the Sun's light output
1.41
absolute magnitude
Explore from here · roam the neighborhood
55 DraB-type
Sky regionDracothis direction
StarHR 718712 ly
StarHR 719122 ly
StarFafnir26 ly
StarEltaninstar
StarAthebynestar
Nearest stars
Bright stars in Draco
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Draco

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.