Optical spectroscopy of type 2 LINERs

We acknowledge financial support from the Spanish Ministerio de Ciencia, Innovacion y Universidades (MCIU) under the grant AYA2016-76682-C3, and from the State Agency for Research of the Spanish MCIU through the "Center of Excellence Severo Ochoa" award to the Instituto de Astrofisica de Andalucia (SEV-2017-0709). LHM acknowledge financial support under the grant BES-2017-082471. We acknowledge O. Reyes-Amador for his useful help on this work. This research has made use of the NASA/IPAC Extragalactic Database (NED), which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration. We acknowledge the usage of the HyperLeda database (http://leda.univ-lyon1.fr).This work has made extensive use of IRAF and Python, particularly with astropy (http://www.astropy.org) (Astropy Collaboration 2013, 2018), matplotlib (Hunter 2007), numpy and lmfit