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TOI-157 (also known as TIC 140691463) is a G-type sub giant star [1] located about 1180 light years (362.1 pc) from Earth. It has a mass of 0.948 solar masses, a radius of 1.167 solar radii and a temperature of 5404 Kelvin. It is currently 12.82 billion years old. [2] [3]
It has one discovered exoplanet orbiting it named TOI-157b. It is a gas giant classed as a hot Jupiter with a mass of 1.18 Jupiter masses and a radius of 1.286 Jupiter radii. It orbits very close to the star taking only 2 days to complete an orbit. This places the temperature of TOI-157b to be around 1588 Kelvin. [2] It is a typical hot Jupiter. [1]
