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Noise Budget and Interstellar Medium Mitigation Advances in the NANOGrav Pulsar Timing Array
T. Dolch, S. Chatterjee, J. M. Cordes +9
Gravitational wave (GW) detection with pulsar timing arrays (PTAs) requires accurate noise characterization. The noise of our Galactic-scale GW detector has been systematically eva…
An image-based search for pulsars among Fermi unassociated LAT sources
D. A. Frail, P. S. Ray, K. P. Mooley +9
We describe an image-based method that uses two radio criteria, compactness and spectral index, to identify promising pulsar candidates among Fermi Large Area Telescope (LAT) unass…
Pulsar Rotation Measures and Large-scale Magnetic Field Reversals in the Galactic Disk
J. L. Han, R. N. Manchester, W. van Straten +1
We present the measurements of Faraday rotation for 477 pulsars observed by the Parkes 64-m radio telescope and the Green Bank 100-m radio telescope. Using these results along with…
A Second Chromatic Timing Event of Interstellar Origin toward PSR J1713+0747
M. T. Lam, J. A. Ellis, G. Grillo +34
The frequency dependence of radio pulse arrival times provides a probe of structures in the intervening media. Demorest et al. 2013 was the first to show a short-term (~100-200 day…
Locating the intense interstellar scattering towards the inner Galaxy
J. Dexter, A. Deller, G. C. Bower +9
We use VLBA+VLA observations to measure the sizes of the scatter-broadened images of 6 of the most heavily scattered known pulsars: 3 within the Galactic Centre (GC) and 3 elsewher…
The Host Galaxy and Redshift of the Repeating Fast Radio Burst FRB 121102
Shriharsh P. Tendulkar, Cees Bassa, James M. Cordes +21
The precise localization of the repeating fast radio burst (FRB 121102) has provided the first unambiguous association (chance coincidence probability ) of…