Correcting for the ionosphere in the uv-plane (2009)
Matejek, Michael S., Morales, Miguel F.
In radio astronomy, the correlator measures intensity in visibility space. In addition, the EoR power spectrum measured by an experiment such as the MWA is constructed in visibility space. Thus,...
Reionization and Cosmology with 21 cm Fluctuations (2009)
Morales, Miguel F., Wyithe, J. Stuart B.
Measurement of the spatial distribution of neutral hydrogen via the redshifted 21 cm line promises to revolutionize our knowledge of the epoch of reionization and the first galaxies, and may provide...
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...
Proposed HI structure observatories for studying the epoch of reionization (z 6-15) and dark energy (z 0-6) envision compact arrays with tens of thousands of antenna elements. Fully correlating this...
Morales, Miguel F., Matejek, Michael
Next generation radio observatories such as the MWA, LWA, LOFAR, CARMA and SKA provide a number of challenges for interferometric data analysis. These challenges include heterogeneous arrays,...
HI Structure Observations of Reionization and Dark Energy (2008)
This proceeding concentrates on the BAO signature of dark energy, and how the SKA dark energy case has been complicated by the emergence of HI structure experiments modeled after the Epoch of...
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...
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...
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...
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...
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...
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...
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...
Weak lensing surveys have become a powerful tool for mapping mass distributions and constraining the expansion history of our Universe, but continuum surveys must average over a large number of...
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...
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....
Power Spectrum Sensitivity and the Design of Epoch of Reionization Observatories (2004)
Recent theoretical developments for observing the Epoch of Reionization (EOR) have concentrated on the power spectrum signature of redshifted 21 cm emission. These studies have demonstrated the great...
Toward Epoch of Reionization Measurements with Wide-Field Radio Observations (2003)
Morales, Miguel F., Hewitt, Jacqueline
This paper explores the potential for statistical epoch of reionization (EOR) measurements using wide field radio observations. New developments in low frequency radio instrumentation and signal...
A Search for TeV Gamma-Ray Burst Emission with the Milagro Observatory (2003)
The Milagro telescope monitors the northern sky for 100 GeV - 100 TeV transient emission through continuous very high energy wide-field observations. The large effective area and low energy threshold...
This paper will focus on explaining the model of the EAS-pond interaction that was developed using insights gained from the computer animations. Unfortunately, the computer animations themselves are...