CAHA/PPAK Integral-field Spectroscopic Observations of M81. II. Testing Photoionization Models in A Spatially-resolved LINER

Zongnan Li, Zhiyuan Li, Ruben Garcia-Benito +1

The origin of the low-ionization nuclear emission-line region (LINER) prevalent in local galaxies and its relationship with supermassive black holes are debated for decades. We pre…