Zobrazeno 1 - 10
of 1 332
pro vyhledávání: '"Dowell, J"'
Publikováno v:
Journal of Geophysical Research: Space Physics, 129, e2023JA032272
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. The data collection during the meteor shower was motivated to conduct a
Externí odkaz:
http://arxiv.org/abs/2403.05717
Efforts are underway to use high-precision timing of pulsars in order to detect low-frequency gravitational waves. A limit to this technique is the timing noise generated by dispersion in the plasma along the line of sight to the pulsar, including th
Externí odkaz:
http://arxiv.org/abs/2202.01251
We present recent improvements to the search for the global Cosmic Dawn signature using the Long Wavelength Array station located on the Sevilleta National Wildlife Refuge in New Mexico, USA (LWA-SV). These improvements are both in the methodology of
Externí odkaz:
http://arxiv.org/abs/2112.13899
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 the all-sky images with a bandwidth up to 20 MHz. We fit the spectra wit
Externí odkaz:
http://arxiv.org/abs/2103.03347
Publikováno v:
The Astrophysical Journal, 874:151 (12pp), 2019 April 1, https://iopscience.iop.org/article/10.3847/1538-4357/ab07c6
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 near the celestial equator while reducing 10,240 hours of archival all-s
Externí odkaz:
http://arxiv.org/abs/2006.14731
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). In this work, we use the recently commissioned LWA Sevilleta (LWA-SV) s
Externí odkaz:
http://arxiv.org/abs/2006.14721
Using the first station of the Long Wavelength Array (LWA1), we examine polarized pulsar emission between 25 and 88 MHz. Polarized light from pulsars undergoes Faraday rotation as it passes through the magnetized interstellar medium. Observations fro
Externí odkaz:
http://arxiv.org/abs/2006.10140
With the Expanded Long Wavelength Array (ELWA) and pulsar binning techniques, we searched for off-pulse emission from PSR B0950+08 at 76 MHz. Previous studies suggest that off-pulse emission can be due to pulsar wind nebulae (PWNe) in younger pulsars
Externí odkaz:
http://arxiv.org/abs/2005.03303
Autor:
Anderson, M. M., Hallinan, G., Eastwood, M. W., Monroe, R. M., Callister, T. A., Dowell, J., Hicks, B., Huang, Y., Kassim, N. E., Kocz, J., Lazio, T. J. W., Price, D. C., Schinzel, F. K., Taylor, G. B.
Publikováno v:
ApJ, 2019 November, Volume 886, Number 2
We present the results of the first transient survey from the Owens Valley Radio Observatory Long Wavelength Array (OVRO-LWA) using 31 hr of data, in which we place the most constraining limits on the instantaneous transient surface density at timesc
Externí odkaz:
http://arxiv.org/abs/1911.04591
The ionosphere contributes time-varying Faraday Rotation (FR) to radio signals passing through it. Correction for the effect of the ionosphere is important for deriving magnetic field information from FR observations of polarized cosmic radio sources
Externí odkaz:
http://arxiv.org/abs/1806.02802