B-type star · blue-white star
Eta Cha
Eta Cha is a blue-white star in the constellation Chamaeleon 310 ly from Earth. Its surface is about 11,590 K, about 2.0 times the Sun's surface temperature, and it shines at 51.43× the Sun's brightness. At magnitude 5.5 it is bright enough to see with the naked eye; the light you see left it 310 years ago.
Also catalogued as HR 3502 · HD 75416 · HIP 42637
11,590 K
temperature
5.46
apparent magnitude
51.43× ☉
luminosity vs Sun
B9IV
spectral type
Distance & comparison with our Sun
310 years
at light speed from Earth
2.01×
as hot as the Sun
51.43×
the Sun's light output
0.57
absolute magnitude
Explore from here · roam the neighborhood
Nearest stars
Can you see it tonight?
VISIBLE TO THE NAKED EYE
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.