Fig. 8

HotNeptune desert. Gl 378 b is indicated by the red star. All planets with known masses and periods <10 d are shown (taken from exoplanets.eu on 18 Oct. 2018). Planets orbiting M dwarfs are highlighted (orange hexagons); GJ 436 b and GJ 3470 are indicated by cross (×) and plus signs (+), respectively.The location of the hot Neptune desert is indicated (grey region), using the boundaries of Mazeh et al. (2016; blacklines). The boundaries are dotted beyond 5 d, which reflects the Mazeh et al. (2016) warning that beyond this orbital period the existence of the desert is uncertain.
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