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Low abundances of TiO and VO on the dayside of KELT-9 b: Insights from ground-based photometric observations

Ikuta, Kai; Fukui, Akihiko; Narita, Norio +21 more

We present ground-based photometric observations of secondary eclipses of the hottest known planet KELT-9 b using MuSCAT2 and Sinistro. We detect secondary eclipse signals in i and $z_{\rm s}$ with eclipse depths of