We report the discovery of HATS-13b and HATS-14b , two hot-Jupiter transiting planets discovered by the HATSouth survey .
The host stars are quite similar to each other ( HATS-13 : V = 13.9 mag , M _ { \star } = 0.96 M _ { \sun } , R _ { \star } = 0.89 R _ { \sun } , T _ { \mathrm { eff } } \approx 5500 K , [ Fe/H ] = 0.05 ; HATS-14 : V = 13.8 mag , M _ { \star } = 0.97 M _ { \sun } , R _ { \star } = 0.93 R _ { \sun } , T _ { \mathrm { eff } } \approx 5350 K , [ Fe/H ] = 0.33 ) and both the planets orbit around them with a period of \sim 3 days and a separation of \sim 0.04 au .
However , even though they are irradiated in a similar way , the physical characteristics of the two planets are very different .
HATS-13b , with a mass of M _ { \mathrm { p } } = 0.543 \pm 0.072 M _ { \mathrm { J } } and a radius of R _ { \mathrm { p } } = 1.212 \pm 0.035 R _ { \mathrm { J } } , appears as an inflated planet , while HATS-14b , having a mass of M _ { \mathrm { p } } = 1.071 \pm 0.070 M _ { \mathrm { J } } and a radius of R _ { \mathrm { p } } = 1.039 \pm 0.032 R _ { \mathrm { J } } , is only slightly larger in radius than Jupiter .