2 2MASS_Allsky ivo://irsa.ipac/2MASS/Images/Allsky NASA/IPAC Infrared Science Archive 2MASS Team 2024-10-01 IRSA Support Team irsasupport@ipac.caltech.edu The 2MASS All-Sky Data Release contains Image and Catalog data covering 99.998% of the sky, derived from all northern and southern Survey observations. The All-Sky Release products include a Point Source Catalog (PSC), containing positions and photometry for 470,992,970 objects, an Extended Source Catalog (XSC), containing positions, photometry and basic shape information for 1,647,599 resolved sources, most of which are galaxies, and the Image Atlas, containing over 4,121,439 J, H and Ks FITS images covering the sky. http://irsa.ipac.caltech.edu/data/2MASS/docs/releases/allsky/doc/explsup.html Survey Research 2 https://irsa.ipac.caltech.edu/SIA?COLLECTION=twomass_allsky& Pointed 0.14 0.28 1400000 4121439 POS=CIRCLE 163.0947563 57.3814659 0.5 Infrared