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Detecting Gravitational Scattering of Interstellar Objects Using Pulsar Timing
Ross J. Jennings, James M. Cordes, Shami Chatterjee
Gravitational scattering events, in which the path of an interstellar object is deflected by a pulsar or the solar system, give rise to reflex motion which can potentially be detec…
Detection of pulses from the Vela pulsar at millimeter wavelengths with phased ALMA
Kuo Liu, Andre Young, Robert Wharton +20
We report on the first detection of pulsed radio emission from a radio pulsar with the ALMA telescope. The detection was made in the Band-3 frequency range (85-101 GHz) using ALMA…
The NANOGrav 11-Year Data Set: Evolution of Gravitational Wave Background Statistics
J. S. Hazboun, J. Simon, S. R. Taylor +60
An ensemble of inspiraling supermassive black hole binaries should produce a stochastic background of very low frequency gravitational waves. This stochastic background is predicte…
Eight Millisecond Pulsars Discovered in the Arecibo PALFA Survey
E. Parent, V. M. Kaspi, S. M. Ransom +18
We report on eight millisecond pulsars (MSPs) in binary systems discovered with the Arecibo PALFA survey. Phase-coherent timing solutions derived from 2.5 to 5 years of observation…
The NANOGrav Program for Gravitational Waves and Fundamental Physics
A. Brazier, S. Chatterjee, T. Cohen +11
We describe the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) and its efforts to directly detect and study gravitational waves and other synergistic physi…
The DSA-2000 -- A Radio Survey Camera
G. Hallinan, V. Ravi, S. Weinreb +25
We present the DSA-2000: a world-leading radio survey telescope and multi-messenger discovery engine for the next decade. The array will be the first true radio camera, outputting…