M-type star · red

HR 5135

HR 5135 is a red in the constellation Centaurus 1,000 ly from Earth. Its surface is about 3,653 K, about 0.6 times the Sun's surface temperature, and it shines at 250× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 1,000 years ago.

1,000 lybrightness mag 6.29M3/M4III

Also catalogued as HD 118781 · HIP 66645

3,653 K
temperature
6.29
apparent magnitude
250× ☉
luminosity vs Sun
M3/M4III
spectral type
Distance & comparison with our Sun
1,000 years
at light speed from Earth
0.63×
as hot as the Sun
250×
the Sun's light output
-1.14
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Centaurus

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.