A-type star · white star

HR 1645

HR 1645 is a white star in the constellation Lepus 190 ly from Earth. Its surface is about 9,086 K, about 1.6 times the Sun's surface temperature, and it shines at 16.81× the Sun's brightness. At magnitude 5.6 it is bright enough to see with the naked eye; the light you see left it 190 years ago.

190 lybrightness mag 5.61A2IV

Also catalogued as HD 32667 · HIP 23554

9,086 K
temperature
5.61
apparent magnitude
16.81× ☉
luminosity vs Sun
A2IV
spectral type
Distance & comparison with our Sun
190 years
at light speed from Earth
1.57×
as hot as the Sun
16.81×
the Sun's light output
1.79
absolute magnitude
Explore from here · roam the neighborhood
HR 1645A-type
Sky regionLepusthis direction
StarHR 162117 ly
StarHR 152519 ly
StarEpsilon Lep25 ly
StarArnebstar
StarNihalstar
Nearest stars
Bright stars in Lepus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.6To see it no equipment neededLook 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.