A-type star · white star

HR 1972

HR 1972 is a white star in the constellation Columba 740 ly from Earth. Its surface is about 9,847 K, about 1.7 times the Sun's surface temperature, and it shines at 151× the Sun's brightness. At magnitude 6.2 it is within reach of 50 mm binoculars; the light you see left it 740 years ago.

740 lybrightness mag 6.18A0V

Also catalogued as HD 38138 · HIP 26862

9,847 K
temperature
6.18
apparent magnitude
151× ☉
luminosity vs Sun
A0V
spectral type
Distance & comparison with our Sun
740 years
at light speed from Earth
1.71×
as hot as the Sun
151×
the Sun's light output
-0.60
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.