Follow-up observations of HAT-P-15

We report the discovery of HAT-P-15b, a transiting extrasolar planet in the "period valley," a relatively sparsely populated period regime of the known extrasolar planets. The...本研究报道了HAT-P-15b的发现，该行星是一颗位于"周期谷（period valley）"中的凌星系外行星，而周期谷是已知系外行星中行星数量相对稀少的周期区间。