Erratum: "Groups of Galaxies in the Two Micron All Sky Redshift Survey" (ApJ, 655, 790 [2007]) Crook, Aidan C. ; Huchra, John P. ; Martimbeau, Nathalie ; Masters, Karen L. ; Jarrett, Tom ; Macri, Lucas M. Abstract Publication: The Astrophysical Journal Pub Date: October 2008 DOI: 10.1086/590385 Bibcode: 2008ApJ...685.1320C