ASTRONOMY:
An Eccentric Pulsar: Result of a Threesome?
Edward P. J. van den Heuvel
Observation of an eccentric millisecond binary pulsar challenges the standard model of millisecond pulsar formation.
Astronomical Institute "Anton Pannekoek" and Center for High Energy Astrophysics, University of Amsterdam, 1098SJ Amsterdam, Netherlands, and Kavli Institute for Theoretical Physics, University of California Santa Barbara, CA 93106-4030, USA. E-mail: e.p.j.vandenheuvel{at}uva.nl