Transit time of K2-146b and K2-146c with K2 and HPF

K2-146 is a cool, 0.358M_{sun} dwarf that was found to host a mini-Neptune with a 2.67day period. The planet exhibited strong transit timing variations (TTVs) of greater than...K2-146是一颗质量为0.358倍太阳质量的冷矮星，现已被发现拥有一颗轨道周期为2.67天的迷你海王星。该行星表现出大于……的显著凌日时间变化（transit timing variations，TTVs）。