From chernoff@spacenet.TN.CORNELL.EDU Sat Jul 1 09:42:12 1995 Received: from kyohou.c.u-tokyo.ac.jp by chianti.c.u-tokyo.ac.jp (4.1/2.7W-utc1.9) id AA05080; Sat, 1 Jul 95 09:42:12 JST Received: from SPACENET.TN.CORNELL.EDU by kyohou.c.u-tokyo.ac.jp (5.64/2.7W-utc1.9) id AA00772; Sat, 1 Jul 95 09:35:00 +0900 Return-Path: Received: from doa.TN.CORNELL.EDU by spacenet.TN.CORNELL.EDU (4.1/1.1nn-Cornell Astronomy Dept) id AA09728; Fri, 30 Jun 95 20:36:11 EDT Date: Fri, 30 Jun 95 20:36:11 EDT From: chernoff@spacenet.TN.CORNELL.EDU (David Chernoff) Message-Id: <9507010036.AA09728@spacenet.TN.CORNELL.EDU> To: iau174_abstract@chianti.c.u-tokyo.ac.jp SHORT ABSTRACT for talk by David Chernoff We calculate interaction histories for binaries and single stars in a cluster. We derived (a) the collision frequency for a range of stellar components, (b) the efficacy of 3-body heating, (c) the distribution of stellar ejection velocities and (d) the diffusion of binary eccentricities. Applications to post-collapse clusters and to galactic nuclei are outlined.