M-type star · red

HR 2591

HR 2591 is a red in the constellation Puppis 1,639 ly from Earth. Its surface is about 2,898 K, about 0.5 times the Sun's surface temperature, and it shines at 652× the Sun's brightness. At magnitude 6.3 it is within reach of 50 mm binoculars; the light you see left it 1,639 years ago.

1,639 lybrightness mag 6.32C3II

Also catalogued as HD 51208 · HIP 33189

2,898 K
temperature
6.32
apparent magnitude
652× ☉
luminosity vs Sun
C3II
spectral type
Distance & comparison with our Sun
1,639 years
at light speed from Earth
0.50×
as hot as the Sun
652×
the Sun's light output
-2.19
absolute magnitude
Explore from here · roam the neighborhood
HR 2591M-type
Sky regionPuppisthis direction
StarHR 2445110 ly
StarHR 3037300 ly
StarHR 3055300 ly
StarNaosstar
StarPi Pupstar
Nearest stars
Bright stars in Puppis
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.3To see it 50 mm binocularsLook toward Puppis

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.