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The Microarcsecond Sky and Cosmic Turbulence
T. Joseph W. Lazio, J. M. Cordes, A. G. de Bruyn +1
Radio waves are imprinted with propagation effects from ionized media through which they pass. Owing to electron density fluctuations, compact sources (pulsars, masers, and compact…
The Dynamic Radio Sky
James M. Cordes, T. Joseph W. Lazio, M. A. McLaughlin
Transient radio sources are necessarily compact and usually are the locations of explosive or dynamic events, therefore offering unique opportunities for probing fundamental physic…
Theory of Parabolic Arcs in Interstellar Scintillation Spectra
James M. Cordes, Barney J. Rickett, Daniel R. Stinebring +1
Our theory relates the secondary spectrum, the 2D power spectrum of the radio dynamic spectrum, to the scattered pulsar image in a thin scattering screen geometry. Recently discove…
New Binary and Millisecond Pulsars from Arecibo Drift-Scan Searches
M. A. McLaughlin, D. R. Lorimer, D. J. Champion +6
We discuss four recycled pulsars found in Arecibo drift-scan searches. PSR J1944+0907 has a spin period of 5.2 ms and is isolated. The 5.8-ms pulsar J1453+19 may have a low-mass co…
Separated at Birth: The origin of the pulsars B2020+28 and B2021+51 in the Cygnus Superbubble
W. H. T. Vlemmings, J. M. Cordes, S. Chatterjee
High precision astrometric data have enabled us to determine the trajectories through the Galactic potential for a growing number of pulsars. This has resulted in the discovery of…
PSR J1829+2456: a relativistic binary pulsar
D. J. Champion, D. R. Lorimer, M. A. McLaughlin +4
We report the discovery of a new binary pulsar, PSR J1829+2456, found during a mid-latitude drift-scan survey with the Arecibo telescope. Our initial timing observations show the 4…