M-type star · red

HR 1648

HR 1648 is a red in the constellation Orion 1,231 ly from Earth. Its surface is about 2,213 K, about 0.4 times the Sun's surface temperature, and it shines at 450× the Sun's brightness. At magnitude 6.1 it is within reach of 50 mm binoculars; the light you see left it 1,231 years ago.

1,231 lybrightness mag 6.10N5

Also catalogued as HD 32736 · HIP 23680

2,213 K
temperature
6.10
apparent magnitude
450× ☉
luminosity vs Sun
N5
spectral type
Distance & comparison with our Sun
1,231 years
at light speed from Earth
0.38×
as hot as the Sun
450×
the Sun's light output
-1.78
absolute magnitude
Explore from here · roam the neighborhood
HR 1648M-type
Sky regionOrionthis direction
StarHR 1646110 ly
StarHR 1803110 ly
StarPi⁵ Ori130 ly
StarHatysastar
StarTabitstar
Nearest stars
Bright stars in Orion
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.1To see it 50 mm binocularsLook 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.