M-type star · red

HD 153389

HD 153389 is a red in the constellation Triangulum Australe 1,217 ly from Earth. Its surface is about 3,691 K, about 0.6 times the Sun's surface temperature, and it shines at 313× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 1,217 years ago.

1,217 lybrightness mag 6.47M3/M4III

Also catalogued as HIP 83556

3,691 K
temperature
6.47
apparent magnitude
313× ☉
luminosity vs Sun
M3/M4III
spectral type
Distance & comparison with our Sun
1,217 years
at light speed from Earth
0.64×
as hot as the Sun
313×
the Sun's light output
-1.39
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.5To see it 50 mm binocularsLook toward Triangulum Australe

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.