Comet C/2009 k2 (catalina) Baransky, A. ; Durig, D. T. ; Kharel, P. ; Rinner, C. ; Kugel, F. ; Chestnov, D. ; Marsden, B. G. Abstract Publication: Minor Planet Electronic Circulars Pub Date: July 2009 Bibcode: 2009MPEC....N...40B