F-type star · yellow-white star
Theta Sge
Theta Sge is a yellow-white star in the constellation Sagitta 148 ly from Earth. Its surface is about 6,912 K, about 1.2 times the Sun's surface temperature, and it shines at 4.44× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 148 years ago.
Also catalogued as HR 7705 · HD 191570 · HIP 99352
6,912 K
temperature
6.51
apparent magnitude
4.44× ☉
luminosity vs Sun
F5IV
spectral type
Distance & comparison with our Sun
148 years
at light speed from Earth
1.20×
as hot as the Sun
4.44×
the Sun's light output
3.23
absolute magnitude
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BINOCULARS NEEDED
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.