Follow-up photometry of ASASSN-14ko

We present the discovery that ASASSN-14ko is a periodically flaring active galactic nucleus at the center of the galaxy ESO 253-G003. At the time of its discovery by the All-Sky...本研究报道了一项发现：ASASSN-14ko是位于星系ESO 253-G003中心的一颗周期性耀发活动星系核（active galactic nucleus）。在其被全天空（All-Sky）相关项目发现之时...