The Massive Binary Pulsar J1740-3052
  The young pulsar J1740-3052 is in an 8-month orbit with a companion of at least 11 solar masses. We present multifrequency GBT and Parkes timing observations, and discuss implications for the nature of the companion. 
I. H. Stairs (UBC), R. N. Manchester (ATNF), A. G. Lyne, M. Kramer   (JBO), V. M. Kaspi (McGill), F. Camilo (Columbia), N. D...