B-type star · blue-white star

HR 1861

HR 1861 is a blue-white star in the constellation Orion 1,561 ly from Earth. Its surface is about 13,302 K, about 2.3 times the Sun's surface temperature, and it shines at 1,457× the Sun's brightness. At magnitude 5.3 it is bright enough to see with the naked eye; the light you see left it 1,561 years ago.

1,561 lybrightness mag 5.34B1IV

Also catalogued as HD 36591 · HIP 25980

13,302 K
temperature
5.34
apparent magnitude
1,457× ☉
luminosity vs Sun
B1IV
spectral type
Distance & comparison with our Sun
1,561 years
at light speed from Earth
2.30×
as hot as the Sun
1,457×
the Sun's light output
-3.06
absolute magnitude
Explore from here · roam the neighborhood
HR 1861B-type
Sky regionOrionthis direction
StarHR 190050 ly
StarHR 186892 ly
StarTheta² Ori110 ly
StarHatysastar
StarTabitstar
Nearest stars
Bright stars in Orion
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.3To see it no equipment neededLook toward Orion

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.