OGLE-TR-122
Star
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OGLE-TR-122 is a binary stellar system containing one of the smallest main-sequence stars whose radius has been measured. It was discovered when the Optical Gravitational Lensing Experiment survey observed the smaller star eclipsing the larger... Wikipedia
Constellation: Carina
Magnitude: 15.61
Temperature: 5700 ± 300 K
Apparent magnitude (I): 15.61 (system)
Period (P): 7.26867 d
Surface gravity (log g): 3.9 ± 0.5 cgs