Based on observations made with the VLA operated by the National Radio Astronomy Observatory (the National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc.) and on data taken using ALFOSC, which is owned by the Instituto de Astrofísica de Andalucía (IAA) and operated at the Nordic Optical Telescope under agreement between IAA and the NBIfA of the Astronomical Observatory of Copenhagen.

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Computed as $M({\rm HI}) = 2.36 \times 10^5~D^2 S \Delta V$ , where D is the distance in Mpc and $S \Delta V$ is the velocity integrated HI flux in Jy km s^-1.

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... (NED)

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.

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