543 citations · 2.2k across the 27 of their papers we have counts for
27 papers
The Future Of The Arecibo Observatory: The Next Generation Arecibo Telescope
D. Anish Roshi, N. Aponte, E. Araya +71
The Arecibo Observatory (AO) is a multidisciplinary research and education facility that is recognized worldwide as a leading facility in astronomy, planetary, and atmospheric and…
VLBI observations of supernova PTF11qcj: Direct constraints on the size of the radio ejecta
N. T. Palliyaguru, A. Corsi, M. Pérez-Torres +2
We present High Sensitivity Array (HSA) and enhanced Multi Element Remotely Linked Interferometer Network (eMERLIN) observations of the radio-loud broad-lined type Ic supernova PTF…
Deconvolving Pulsar Signals with Cyclic Spectroscopy: A Systematic Evaluation
Timothy Dolch, Daniel R. Stinebring, Glenn Jones +8
Radio pulsar signals are significantly perturbed by their propagation through the ionized interstellar medium. In addition to the frequency-dependent pulse times of arrival due to…
A targeted search for repeating fast radio bursts associated with gamma-ray bursts
Nipuni T. Palliyaguru, Devansh Agarwal, Golnoosh Golpayegani +5
The origin of fast radio bursts (FRBs) still remains a mystery, even with the increased number of discoveries in the last three years. Growing evidence suggests that some FRBs may…
NANOGrav Education and Outreach: Growing a Diverse and Inclusive Collaboration for Low-Frequency Gravitational Wave Astronomy
The NANOGrav Collaboration, P. T. Baker, H. Blumer +25
The new field of gravitational wave astrophysics requires a growing pool of students and researchers with unique, interdisciplinary skill sets. It also offers an opportunity to bui…
Astro2020 Activities and Projects White Paper: Arecibo Observatory in the Next Decade
D. Anish Roshi, L. D. Anderson, E. Araya +42
The white paper discusses Arecibo Observatory's plan for facility improvements and activities over the next decade. The facility improvements include: (a) improving the telescope s…
Twelve Decades: Probing the Interstellar Medium from kiloparsec to sub-AU scales
Dan Stinebring, Shami Chatterjee, Susan E. Clark +15
After a decade of great progress in understanding gas flow into, out of, and through the Milky Way, we are poised to merge observations with simulations to build a comprehensive pi…
Fast Radio Burst Tomography of the Unseen Universe
Vikram Ravi, Nicholas Battaglia, Sarah Burke-Spolaor +13
The discovery of Fast Radio Bursts (FRBs) at cosmological distances has opened a powerful window on otherwise unseen matter in the Universe. In the 2020s, observations of …
Radio Time-Domain Signatures of Magnetar Birth
Casey J. Law, Ben Margalit, Nipuni T. Palliyaguru +10
The last decade has seen the rapid, concurrent development of new classes of energetic astrophysical transients, including Fast Radio Bursts, Superluminous Supernovae, and ultralon…
Studying the solar system with the International Pulsar Timing Array
R. N. Caballero, Y. J. Guo, K. J. Lee +77
Pulsar-timing analyses are sensitive to errors in the solar-system ephemerides (SSEs) that timing models utilise to estimate the location of the solar-system barycentre, the quasi-…
The double-peaked radio light curve of PTF11qcj
N. T. Palliyaguru, A. Corsi, D. A. Frail +6
We present continued radio follow-up observations of PTF11qcj, a highly energetic broad-lined Type Ic supernova (SN), with a radio peak luminosity comparable to that of the -ray…
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…
A Radio Counterpart to a Neutron Star Merger
G. Hallinan, A. Corsi, K. P. Mooley +30
Gravitational waves have been detected from a binary neutron star merger event, GW170817. The detection of electromagnetic radiation from the same source has shown that the merger…
Timing Solution and Single-pulse Properties for Eight Rotating Radio Transients
B. -Y. Cui, J. Boyles, M. A. McLaughlin +1
Rotating radio transients (RRATs), loosely defined as objects that are discovered through only their single pulses, are sporadic pulsars that have a wide range of emission properti…
iPTF17cw: An engine-driven supernova candidate discovered independent of a gamma-ray trigger
A. Corsi, S. B. Cenko, M. M. Kasliwal +21
We present the discovery, classification, and radio-to-X-ray follow-up observations of iPTF17cw, a broad-lined (BL) type Ic supernova (SN) discovered by the intermediate Palomar Tr…
Radio follow-up of gravitational wave triggers during Advanced LIGO O1
N. T. Palliyaguru, A. Corsi, M. M. Kasliwal +8
We present radio follow-up observations carried out with the Karl G. Jansky Very Large Array during the first observing run (O1) of the Advanced Laser Interferometer Gravitational-…
The International Pulsar Timing Array: First Data Release
J. P. W. Verbiest, L. Lentati, G. Hobbs +89
The highly stable spin of neutron stars can be exploited for a variety of (astro-)physical investigations. In particular arrays of pulsars with rotational periods of the order of m…
The NANOGrav Nine-year Data Set: Monitoring Interstellar Scattering Delays
Lina Levin, Maura A. McLaughlin, Glenn Jones +22
We report on an effort to extract and monitor interstellar scintillation parameters in regular timing observations collected for the NANOGrav pulsar timing array. Scattering delays…
Correcting for Interstellar Scattering Delay in High-precision Pulsar Timing: Simulation Results
Nipuni Palliyaguru, Daniel Stinebring, Maura McLaughlin +2
Light travel time changes due to gravitational waves may be detected within the next decade through precision timing of millisecond pulsars. Removal of frequency-dependent interste…
The NANOGrav Nine-year Data Set: Limits on the Isotropic Stochastic Gravitational Wave Background
Zaven Arzoumanian, Adam Brazier, Sarah Burke-Spolaor +45
We compute upper limits on the nanohertz-frequency isotropic stochastic gravitational wave background (GWB) using the 9-year data release from the North American Nanohertz Observat…
The NANOGrav Nine-year Data Set: Observations, Arrival Time Measurements, and Analysis of 37 Millisecond Pulsars
Z. Arzoumanian, A. Brazier, S. Burke-Spolaor +41
We present high-precision timing observations spanning up to nine years for 37 millisecond pulsars monitored with the Green Bank and Arecibo radio telescopes as part of the North A…
NANOGrav Constraints on Gravitational Wave Bursts with Memory
Z. Arzoumanian, A. Brazier, S. Burke-Spolaor +39
Among efforts to detect gravitational radiation, pulsar timing arrays are uniquely poised to detect "memory" signatures, permanent perturbations in spacetime from highly energetic…
NANOGrav Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries in Circular Orbits
Z. Arzoumanian, A. Brazier, S. Burke-Spolaor +36
The North American Nanohertz Observatory for Gravitational Waves (NANOGrav) project currently observes 43 pulsars using the Green Bank and Arecibo radio telescopes. In this work we…
New timing solutions for Rotating Radio Transients
Bingyi Cui, Jason Boyles, Maura McLaughlin +1
The rotating radio transients are sporadic pulsars which are difficult to detect through periodicity searches. By using a single-pulse search method, we can discover these sources,…