M-type star · red dwarf

Luyten's Star

Luyten's Star is a red dwarf in the constellation Canis Minor 12.4 ly from Earth. Its surface is about 3,687 K, about 0.6 times the Sun's surface temperature, and it shines at 0.001× the Sun's brightness. At magnitude 9.8 it is within reach of 50 mm binoculars; the light you see left it 12 years ago.

12.4 lybrightness mag 9.84M5

Also catalogued as HIP 36208 · Gliese Gl 273

3,687 K
temperature
9.84
apparent magnitude
0.001× ☉
luminosity vs Sun
M5
spectral type
Distance & comparison with our Sun
12 years
at light speed from Earth
0.64×
as hot as the Sun
0.001×
the Sun's light output
11.94
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 9.8To see it 50 mm binocularsLook toward Canis Minor

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.