M-type star · red

HR 1187

HR 1187 is a red in the constellation Eridanus 593 ly from Earth. Its surface is about 3,646 K, about 0.6 times the Sun's surface temperature, and it shines at 137× the Sun's brightness. At magnitude 5.8 it is bright enough to see with the naked eye; the light you see left it 593 years ago.

593 lybrightness mag 5.81K5III

Also catalogued as HD 23978 · HIP 17798

3,646 K
temperature
5.81
apparent magnitude
137× ☉
luminosity vs Sun
K5III
spectral type
Distance & comparison with our Sun
593 years
at light speed from Earth
0.63×
as hot as the Sun
137×
the Sun's light output
-0.49
absolute magnitude
Explore from here · roam the neighborhood
HR 1187M-type
Sky regionEridanusthis direction
StarHR 112087 ly
StarHR 128894 ly
StarHR 1263100 ly
StarCursastar
StarAcamarstar
Nearest stars
Bright stars in Eridanus
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.8To see it no equipment neededLook toward Eridanus

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.