A-type star · white star
Marfik
Marfik is a white star in the constellation Ophiuchus 173 ly from Earth. Its surface is about 9,859 K, about 1.7 times the Sun's surface temperature, and it shines at 72.78× the Sun's brightness. At magnitude 3.8 it is bright enough to see with the naked eye; the light you see left it 173 years ago.
Also catalogued as Lambda Oph · HR 6149 · HD 148857 · HIP 80883
9,859 K
temperature
3.82
apparent magnitude
72.78× ☉
luminosity vs Sun
A2V
spectral type
Distance & comparison with our Sun
173 years
at light speed from Earth
1.71×
as hot as the Sun
72.78×
the Sun's light output
0.20
absolute magnitude
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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.