K-type star · orange

HR 1509

HR 1509 is an orange in the constellation Caelum 642 ly from Earth. Its surface is about 3,965 K, about 0.7 times the Sun's surface temperature, and it shines at 184× the Sun's brightness. At magnitude 5.7 it is bright enough to see with the naked eye; the light you see left it 642 years ago.

642 lybrightness mag 5.66K3III

Also catalogued as HD 30080 · HIP 21958

3,965 K
temperature
5.66
apparent magnitude
184× ☉
luminosity vs Sun
K3III
spectral type
Distance & comparison with our Sun
642 years
at light speed from Earth
0.69×
as hot as the Sun
184×
the Sun's light output
-0.81
absolute magnitude
Explore from here · roam the neighborhood
Can you see it tonight?
VISIBLE TO THE NAKED EYE
Brightness mag 5.7To see it no equipment neededLook toward Caelum

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.