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We report the discovery of four close-in transiting exoplanets, HATS-50through HATS-53, discovered using the HATSouth three-continent network ofhomogeneous and automated telescopes. These new exoplanets belong to the classof hot Jupiters and orbit G-type dwarf stars, with brightness in the rangeV=12.5-14.0 mag. While HATS-53 has many physical characteristics similar to theSun, the other three stars appear to be metal rich, larger and more massive.Three of the new exoplanets, namely HATS-50, HATS-51 and HATS-53, have lowdensity and similar orbital period. Instead, HATS-52 is more dense and has ashorter orbital period. It also receives an intensive radiation from its parentstar and, consequently, presents a high equilibrium temperature. HATS-50 showsa marginal additional transit feature consistent with an ultra-short period hotsuper Neptune, which will be able to be confirmed with TESS photometry.

HATS-50b through HATS-53b: four transiting hot Jupiters orbiting G-type stars discovered by the HATSouth survey