The clustering of ALFALFA galaxies: dependence on HI mass, relationship to optical samples & clues on host halo properties

Emmanouil Papastergis, Riccardo Giovanelli, Martha P. Haynes +2

We use a sample of ~6000 galaxies detected by the Arecibo Legacy Fast ALFA (ALFALFA) 21cm survey, to measure the clustering properties of HI-selected galaxies. We find no convincin…