K-type star · orange

HR 2102

HR 2102 is an orange in the constellation Dorado 85.6 ly from Earth. Its surface is about 4,691 K, about 0.8 times the Sun's surface temperature, and it shines at 8.28× the Sun's brightness. At magnitude 4.7 it is bright enough to see with the naked eye; the light you see left it 86 years ago.

85.6 lybrightness mag 4.65K1III/IV

Also catalogued as HD 40409 · HIP 27890 · Gliese Gl 224.1

4,691 K
temperature
4.65
apparent magnitude
8.28× ☉
luminosity vs Sun
K1III/IV
spectral type
Distance & comparison with our Sun
86 years
at light speed from Earth
0.81×
as hot as the Sun
8.28×
the Sun's light output
2.56
absolute magnitude
Explore from here · roam the neighborhood
HR 2102K-type
Sky regionDoradothis direction
StarAlpha Pic15 ly
StarHR 246818 ly
StarHR 129419 ly
StarAlpha Dorstar
StarBeta Dorstar
Nearest stars
Bright stars in Dorado
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 4.7To see it no equipment neededLook toward Dorado

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.