The Murchison Widefield Array: Design Overview (2009)
Lonsdale, Colin J., Cappallo, Roger J., Morales, Miguel F., Briggs, Frank H., Benkevitch, Leonid, Bowman, Judd D., ...
The Murchison Widefield Array (MWA) is a dipole-based aperture array synthesis telescope designed to operate in the 80-300 MHz frequency range. It is capable of a wide range of science...
HI and Cosmology: What We Need To Know (2009)
There are three distinct regimes in which radio observations of the redshifted 21 cm line of HI can contribute directly to cosmology in unique ways. The regimes are naturally divided by redshift,...
Observing Neutral Hydrogen Above Redshift 6: The "Global" Perspective (2009)
Bowman, Judd D., Rogers, Alan E. E., Hewitt, Jacqueline N.
Above redshift 6, the dominant source of neutral hydrogen in the Universe shifts from localized clumps in and around galaxies and filaments to a pervasive, diffuse component of the intergalactic...
Observing Neutral Hydrogen Above Redshift 6: The “Global” Perspective (2008)
Bowman, Judd D., Rogers, Alan E. E., Hewitt, Jacqueline N.
Above redshift 6, the dominant source of neutral hydrogen in the Universe shifts from localized clumps in and around galaxies and filaments to a pervasive, diffuse component of the intergalactic...
HI and Cosmology: What We Need To Know (2008)
There are three distinct regimes in which radio observations of the redshifted 21 cm line of HI can contribute directly to cosmology in unique ways. The regimes are naturally divided by redshift,...
Spectral index of the diffuse radio background measured from 100 to 200 MHz (2008)
Rogers, Alan E. E., Bowman, Judd D.
The mean absolute brightness temperature of the diffuse radio background was measured as a function of frequency in a continuous band between 100 and 200 MHz over an effective solid angle of ~π sr...
Bowman, Judd D., Morales, Miguel F., Hewitt, Jacqueline N.
Subtraction of astrophysical foreground contamination from "dirty" sky maps produced by simulated measurements of the Murchison Widefield Array (MWA) has been performed by fitting a 3rd-order...
Spectral Index of the Diffuse Radio Background Measured From 100 to 200 MHz (2008)
Rogers, Alan E. E., Bowman, Judd D.
The mean absolute brightness temperature of the diffuse radio background was measured as a function of frequency in a continuous band between 100 and 200 MHz over an effective solid angle of ~pi str...
Bowman, Judd D., Rogers, Alan E. E., Hewitt, Jacqueline N.
Preliminary results are presented from a simple, single-antenna experiment designed to measure the all-sky radio spectrum between 100 and 200 MHz. The system used an internal comparison-switching...
Bhat, N. D. Ramesh, Wayth, Randall B., Knight, Haydon S., Bowman, Judd D., Oberoi, Divya, Barnes, David G., ...
We report on the detection of giant pulses from the Crab Nebula pulsar at a frequency of 200 MHz using the field deployment system designed for the Mileura Widefield Array's Low Frequency...
Bowman, Judd D., Barnes, David G., Briggs, Frank H., Corey, Brian E., Lynch, Merv J., Bhat, Narayana D. R., ...
Experiments were performed with prototype antenna tiles for the Mileura Widefield Array Low Frequency Demonstrator (MWA LFD) to better understand the wide-field, wide-band properties of their design...
Bowman, Judd D., Barnes, David G., Briggs, Frank H., Corey, Brian E., Lynch, Merv J., Bhat, N. D. Ramesh, ...
Experiments were performed with prototype antenna tiles for the Mileura Widefield Array Low Frequency Demonstrator (MWA LFD) to better understand the wide-field, wide-band properties of their design...
Bhat, N. D. Ramesh, Wayth, Randall B., Knight, Haydon S., Bowman, Judd D., Oberoi, Divya, Barnes, David G., ...
We report on the detection of giant pulses from the Crab Nebula pulsar at a frequency of 200 MHz using the field deployment system designed for the Mileura Widefield Array's Low Frequency...
Bowman, Judd D., Barnes, David G., Briggs, Frank H., Corey, Brian E., Lynch, Merv J., Bhat, N. D. Ramesh, ...
Experiments were performed with prototype antenna tiles for the Mileura Widefield Array Low Frequency Demonstrator (MWA LFD) to better understand the wide-field, wide-band properties of their design...
Bhat, N. D. Ramesh, Wayth, Randall B., Knight, Haydon S., Bowman, Judd D., Oberoi, Divya, Barnes, David G., ...
We report on the detection of giant pulses from the Crab Nebula pulsar at a frequency of 200 MHz using the field deployment system designed for the Mileura Widefield Array's Low Frequency...
Bowman, Judd D., Barnes, David G., Briggs, Frank H., Corey, Brian E., Lynch, Merv J., Bhat, N. D. Ramesh, ...
Experiments were performed with prototype antenna tiles for the Mileura Widefield Array Low Frequency Demonstrator (MWA LFD) to better understand the wide-field, wide-band properties of their design...
Bhat, N. D. Ramesh, Wayth, Randall B., Knight, Haydon S., Bowman, Judd D., Oberoi, Divya, Barnes, David G., ...
We report on the detection of giant pulses from the Crab Nebula pulsar at a frequency of 200 MHz using the field deployment system designed for the Mileura Widefield Array's Low Frequency...
Bowman, Judd D., Barnes, David G., Briggs, Frank H., Corey, Brian E., Lynch, Merv J., Bhat, N. D. Ramesh, ...
Experiments were performed with prototype antenna tiles for the Mileura Widefield Array Low Frequency Demonstrator (MWA LFD) to better understand the wide-field, wide-band properties of their design...
Bhat, N. D. Ramesh, Wayth, Randall B., Knight, Haydon S., Bowman, Judd D., Oberoi, Divya, Barnes, David G., ...
We report on the detection of giant pulses from the Crab Nebula pulsar at a frequency of 200 MHz using the field deployment system designed for the Mileura Widefield Array's Low Frequency...
Probing the epoch of reionization with redshifted 21 cm HI emission (2007)
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2007.
Probing the epoch of reionization with redshifted 21 cm HI emission (2007)
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2007.
Bowman, Judd D., Barnes, David G., Briggs, Frank H., Corey, Brian E., Lynch, Merv J., Bhat, N. D. R., ...
Experiments were performed with prototype antenna tiles for the Mileura Widefield Array Low Frequency Demonstrator (MWA LFD) to better understand the wide-field, wide-band properties of their design...
Bhat, N. D. R., Wayth, Randall B., Knight, Haydon S., Bowman, Judd D., Oberoi, Divya, Barnes, David G., ...
We report on the detection of giant pulses from the Crab Nebula pulsar at a frequency of 200 MHz using the field deployment system designed for the Mileura Widefield Array's Low Frequency...
Bowman, Judd D., Barnes, David G., Briggs, Frank H., Corey, Brian E., Lynch, Merv J., Bhat, N. D. Ramesh, ...
Experiments were performed with prototype antenna tiles for the Mileura Widefield Array--Low Frequency Demonstrator (MWA-LFD) to better understand the widefield, wideband properties of their design...
Bowman, Judd D., Morales, Miguel F., Hewitt, Jacqueline N.
Constraints on cosmological parameters from upcoming measurements with the Mileura Widefield Array-Low Frequency Demonstrator (MWA-LFD) of the redshifted 21 cm power spectrum are forecast assuming a...
Boyce, Edward R., Bowman, Judd D., Bolton, Adam S., Hewitt, Jacqueline N., Burles, Scott
We report on a novel search for radio gravitational lenses. Using the Very Large Array, we imaged ten candidates with both dual redshifts in Sloan Digital Sky Survey spectra and 1.4 GHz radio flux >2...
Morales, Miguel F., Bowman, Judd D., Hewitt, Jacqueline N.
Statistical observations of the Epoch of Reionization using the 21 cm line of neutral hydrogen have the potential to revolutionize our understanding of structure formation and the first luminous...
Bowman, Judd D., Morales, Miguel F., Hewitt, Jacqueline N.
Statistical observations of the epoch of reionization (EOR) power spectrum provide a rich data set for understanding the transition from the cosmic "dark ages" to the ionized universe we see today....
Gravitational Lensing Signatures of Supermassive Black Holes in Future Radio Surveys (2004)
Bowman, Judd D., Hewitt, Jacqueline N., Kiger, James R.
Observational measurements of the relationship between supermassive black holes (SMBHs) and the properties of their host galaxies are an important method for probing theoretical hierarchical growth...