Massaro, E.E.MassaroGiommi, PaoloPaoloGiommiLeto, CristinaCristinaLetoMarchegiani, P.P.MarchegianiMaselli, A.A.MaselliPerri, MatteoMatteoPerriPiranomonte, S.S.PiranomonteSclavi, S.S.Sclavi2020-09-172020-09-172010-06-01https://hdl.handle.net/20.500.13025/2032eprint arXiv 1006.0922The 2nd edition of the Roma-BZCAT is available on line at the ASDC website (http //www.asdc.asi.it/bzcat) and in the NED database. In this short paper we describe the major updates from the first edition.Astrophysics - Cosmology and Extragalactic Astrophysicsjournal articlehttp://adsabs.harvard.edu/abs/2010arXiv1006.0922Mhttps://arxiv.org/pdf/1006.0922.pdf2010arXiv1006.0922M