SINGG: Survey for Ionization in Neutral-Gas Galaxies . The HIPASS H-alpha survey is a project to measure ionized hydrogen in a sample of 500 galaxies selected via their 21-cm neutral hydrogen emission. ... H-alpha links . ... HIPASS Data . ... March 2000 NOAO Survey proposal to observe 500 HI-selected galaxies in H-alpha. ... Survey progress, data releases, etc. ... Red=H alpha, Blue = R band continuum, Green = H alpha before continuum subtraction . ... Public Data . Publicly available data. ...
... 2016/04/05) WCSLIB version 5.15 implements WCS Paper IV . HEALPix "butterfly" ( XPH ) projection, as published in PASA . ... Reprints of WCS Papers I, II III published in Astronomy & Astrophysics, and latest draft of Paper IV . ... Example maps for each projection in Paper II, and spectra for Paper III . Mapping on the HEALPix grid" describes the HEALPix projection ( HPX ) . HPXcvt converts 1D HEALPix pixelization data into a 2D primary image array in an HPX or XPH projection . ...
AO Home AO Astronomy Robert Minchin Blog Publications IDL Routines . My primary research projects are the Arecibo L-band Feed Array (ALFA) extra-galactic neutral hydrogen (HI) surveys. I am PI of the Arecibo Galaxy Environment Survey (AGES) and have a strong involvement with the ALFA Zone of Avoidance (ALFA ZOA) Survey, both of which study HI in the local universe. ... The Evolution of Galaxies through the Neutral Hydrogen Window Conference held at Arecibo in February 2008 . ... Arecibo . ...