HI galaxies with little star formation: an abundance of LIERs
  We present a sample of 91 HI galaxies with little or no star formation and
discuss the analysis of the integral field unit (IFU) spectra of 28 of these
galaxies. We identified HI galaxies from the HI Parkes All-Sky Survey Catalog
(HICAT) with Wide-field Infrared Survey Explorer (WISE) colours consistent with
low specific star formation (< 10$^{-10.4}$ yr$^{-1}$), and obtained optical
IFU spectra with the Wide-Field Spectrograph (WiFeS). Visual inspection of the
PanSTARRS, Dark Energy Survey, and Carnegie-Irvine imaging of 62 galaxies
reveals that at least 32 galaxies in the sample have low levels of star
formation, primarily in arms/rings. New IFU spectra of 28 of these galaxies
reveal 3 galaxies with central star formation, 1 galaxy with low-ionisation
nuclear emission-line regions (LINERs), 20 with extended low-ionisation
emission-line regions (LIERs) and 4 with high excitation Seyfert (Sy) emission.
From the spectroscopic analysis of HI-selected galaxies with little star
formation, we conclude that 75% of this population are LINERs/LIERs.
