. AO Home AO Astronomy Robert Minchin Blog Publications IDL Routines . ALFALFA .40 ( Haynes et al. 2011 . New Reference Catalog of Extragalactic HI Observations ( O'Neil 2004) . The Cornell Digital HI Archive ( Springob et al. 2005) . Extragalactic Distance Database: All Digital HI Profile Catalog ( Courtois et al. 2009, AJ, 138, 1938 ) . HYPERLEDA. II. The homogenized HI data ( Paturel et al. 2003 ) . A General Catalog of HI Observations of Galaxies. ( Huchtmeier & Richter 1989 )

... A preliminary analysis shows that the definition of a common format for spectra is a big challenge. ... Survey among Spectral Data Providers and Consumers 339 · Elodie: 25000 extracted Echelle spectra , resolution 42000, 4000 - 6800 ° on the fly processing options available: wavelength resampling, flux A calibration etc., total volume 50 - 100 GB · ESO/ST-ECF, 250000+ observations taken with 14 spectrographs in UV, optical, near IR; archive is rapidly growing · HEASARC: Variety of ...