GALFA-HI Narrow survey collection

This neutral hydrogen survey has a resolution of ~4', a spectral resolution of 0.18km/s for velocities -190 km/s%3CV%3C190 km/s. Details on the observations and this release are in Peek et al. 2011.Original acknowledgement for data: Galactic ALFA HI (GALFA HI) survey data set obtained with the Arecibo L-band Feed Array (ALFA) on the Arecibo 305m telescope.

Arecibo Observatory is part of the National Astronomy and Ionosphere Center, which is operated by Cornell University under Cooperative Agreement with the U.S. National Science Foundation. The GALFA HI surveys are funded by the NSF through grants to Columbia University, the University of Wisconsin, and the University of California. Peek, J.E.G et al. 2011, ApJS, 194, 20P