B-type star · blue-white star

HR 2005

HR 2005 is a blue-white star in the constellation Columba 752 ly from Earth. Its surface is about 12,141 K, about 2.1 times the Sun's surface temperature, and it shines at 150× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 752 years ago.

752 lybrightness mag 6.22B5III

Also catalogued as HD 38804 · HIP 27303

12,141 K
temperature
6.22
apparent magnitude
150× ☉
luminosity vs Sun
B5III
spectral type
Distance & comparison with our Sun
752 years
at light speed from Earth
2.10×
as hot as the Sun
150×
the Sun's light output
-0.59
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.2To see it 50 mm binocularsLook toward Columba

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.