B-type star · blue-white star

HR 1944

HR 1944 is a blue-white star in the constellation Lepus 1,546 ly from Earth. Its surface is about 11,489 K, about 2.0 times the Sun's surface temperature, and it shines at 539× the Sun's brightness. At magnitude 6.4 it is within reach of 50 mm binoculars; the light you see left it 1,546 years ago.

1,546 lybrightness mag 6.40B4

Also catalogued as HD 37643 · HIP 26602

11,489 K
temperature
6.40
apparent magnitude
539× ☉
luminosity vs Sun
B4
spectral type
Distance & comparison with our Sun
1,546 years
at light speed from Earth
1.99×
as hot as the Sun
539×
the Sun's light output
-1.98
absolute magnitude
Explore from here · roam the neighborhood
HR 1944B-type
Sky regionLepusthis direction
Star8 Lep180 ly
StarHR 1962300 ly
StarHR 2303300 ly
StarArnebstar
StarNihalstar
Nearest stars
Bright stars in Lepus
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.4To see it 50 mm binocularsLook toward Lepus

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.