43 citations · 192 across the 14 of their papers we have counts for
14 papers
Design and Commissioning of an LWA Swarm Station: The Long Wavelength Array -- North Arm
C. A. Taylor, J. Dowell, G. B. Taylor +9
Modern radio interferometers are designed with increasingly sprawling geographical footprints, offering enhanced sensitivity and resolution. However, managing such extensive facili…
Not So Fast: A New Catalog of Meteor Persistent Trains
L. E. Cordonnier, K. S. Obenberger, J. M. Holmes +2
This paper presents the results of a nearly two year long campaign to detect and analyze meteor persistent trains (PTs) - self-emitting phenomena which can linger up to an hour aft…
Spatially Resolved Observations of Meteor Radio Afterglows with the OVRO-LWA
S. S. Varghese, J. Dowell, K. S. Obenberger +3
We conducted an all-sky imaging transient search with the Owens Valley Radio Observatory Long Wavelength Array (OVRO-LWA) data collected during the Perseid meteor shower in 2018. T…
Broadband Imaging to Study the Spectral Distribution of Meteor Radio Afterglows
S. S. Varghese, J. Dowell, K. S. Obenberger +2
We present observations of 86 meteor radio afterglows (MRAs) using the new broadband imager at the Long Wavelength Array Sevilleta (LWA-SV) station. The MRAs were detected using th…
Detection of a Low-frequency Cosmic Radio Transient Using Two LWA Stations
S. S. Varghese, K. S. Obenberger, J. Dowell +1
We report the detection of a potential cosmic radio transient source using the two stations of the Long Wavelength Array. The transient was detected on 18 October 2017 08:47 UTC ne…
Testing the Radiation Pattern of Meteor Radio Afterglow
S. S. Varghese, K. S. Obenberger, G. B. Taylor +1
Radio emission from meteors or meteor radio afterglows (MRAs) were first detected using the all-sky imaging capabilities of the first station of the Long Wavelength Array (LWA1). I…
Bifrost: a Python/C++ Framework for High-Throughput Stream Processing in Astronomy
Miles D. Cranmer, Benjamin R. Barsdell, Danny C. Price +11
Radio astronomy observatories with high throughput back end instruments require real-time data processing. While computing hardware continues to advance rapidly, development of rea…
Altitudinal dependence of meteor radio afterglows measured via optical counterparts
K. S. Obenberger, J. M. Holmes, J. D. Dowell +4
Utilizing the all-sky imaging capabilities of the LWA1 radio telescope along with a host of all-sky optical cameras, we have now observed 44 optical meteor counterparts to radio af…
Rates, Flux Densities, and Spectral Indices of Meteor Radio Afterglows
K. S. Obenberger, J. D. Dowell, P. J. Hancock +4
Using the narrowband all-sky imager mode of the LWA1 we have now detected 30 transients at 25.6 MHz, 1 at 34 MHz, and 93 at 38.0 MHz. While we have only optically confirmed that 37…
Multi-messenger astronomy of gravitational-wave sources with flexible wide-area radio transient surveys
Cregg C. Yancey, Brandon E. Bear, Bernadine Akukwe +10
We explore opportunities for multi-messenger astronomy using gravitational waves (GWs) and prompt, transient low-frequency radio emission to study highly energetic astrophysical ev…
Dynamic Radio Spectra from two Fireballs
K. S. Obenberger, G. B. Taylor, C. S. Lin +3
We present dynamic spectra from the LWA1 telescope of two large meteors (fireballs) observed to emit between 37 and 54 MHz. These spectra show the first ever recorded broadband mea…
Monitoring the Sky with the Prototype All-Sky Imager on the LWA1
K. S. Obenberger, G. B. Taylor, J. M. Hartman +8
We present a description of the Prototype All-Sky Imager (PASI), a backend correlator and imager of the first station of the Long Wavelength Array (LWA1). PASI cross-correlates a l…
Detection of Radio Emission from Fireballs
K. S. Obenberger, G. B. Taylor, J. M. Hartman +9
We present the findings from the Prototype All-Sky Imager (PASI), a backend correlator of the first station of the Long Wavelength Array (LWA1), which has recorded over 11,000 hour…
Limits on GRB Prompt Radio Emission Using the LWA1
K. S. Obenberger, J. M. Hartman, G. B. Taylor +6
As a backend to the first station of the Long Wavelength Array (LWA1) the Prototype All Sky Imager (PASI) has been imaging the sky -26 declination during 34 Gamma Ray…