Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Nichole Barry"'
Autor:
Michael J. Wilensky, Miguel F. Morales, Bryna J. Hazelton, Pyxie L. Star, Nichole Barry, Ruby Byrne, C. H. Jordan, Daniel C. Jacobs, Jonathan C. Pober, C. M. Trott
Publikováno v:
The Astrophysical Journal, Vol 957, Iss 2, p 78 (2023)
We present deep upper limits from the 2014 Murchison Widefield Array Phase I observing season, with a particular emphasis on identifying the spectral fingerprints of extremely faint radio frequency interference (RFI) contamination in the 21 cm power
Externí odkaz:
https://doaj.org/article/a74f8d55a2b344b89befaef337420006
Autor:
Matthew Kolopanis, Adam P. Beardsley, Christopher H. Jordan, Nichole Barry, Q. Zheng, B. McKinley, Randall B. Wayth, E. Howard, Daniel A. Mitchell, Judd D. Bowman, J. S. B. Wyithe, Pratika Dayal, Cathryn M. Trott, Keisuke Hasegawa, Anne Hutter, Miguel F. Morales, Daniel C. Jacobs, Rachel L. Webster, Bradley Greig, Bryna J. Hazelton, A. Chokshi, S. Murray, M. Rahimi, J. L. B. Line, M. Wilensky, S. Yoshiura, Steven Tingay, Christene Lynch, B. Pindor, Keitaro Takahashi, Jonathan C. Pober, R. Byrne
Publikováno v:
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 507, 772-780. Oxford University Press
Monthly Notices of the Royal Astronomical Society, 507, 772-780. Oxford University Press
The locations of Ly-$\alpha$ emitting galaxies (LAEs) at the end of the Epoch of Reionisation (EoR) are expected to correlate with regions of ionised hydrogen, traced by the redshifted 21~cm hyperfine line. Mapping the neutral hydrogen around regions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb94f4a078b672e678364d4d0310623b
https://doi.org/10.1093/mnras/stab2235
https://doi.org/10.1093/mnras/stab2235
With a growing number of people, young and old, engaged in a variety of physical activities, the field of sports medicine has gained greater importance for medical professionals. Nonsurgical Sports Medicine provides a comprehensive guide for the phys
Autor:
Cathryn M. Trott, Rajesh Mondal, Garrelt Mellema, Steven G. Murray, Bradley Greig, Jack L. B. Line, Nichole Barry, Miguel F. Morales
The Multi-frequency Angular Power Spectrum (MAPS) is an alternative to spherically-averaged power spectra, and computes local fluctuations in the angular power spectrum without need for line-of-sight spectral transform. To test different approaches t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf15b753acaa0e64c0e1c28d389fff18
http://arxiv.org/abs/2208.06082
http://arxiv.org/abs/2208.06082
Autor:
J. L. B. Line, Nichole Barry, Andrew R. Williams, D. Kenney, Rachel L. Webster, D. Ung, A. McPhail, A. Chokshi
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 502:1990-2004
The wide adoption of low-frequency radio interferometers as a tool for deeper and higher resolution astronomical observations has revolutionised radio astronomy. Despite their construction from static, relatively simple dipoles, the sheer number of d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8843df143e5e5487d41f6477ce4900d9
https://doi.org/10.1093/mnras/stab156
https://doi.org/10.1093/mnras/stab156
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 498:265-275
We quantify the effect of radio frequency interference (RFI) on measurements of the 21-cm power spectrum during the Epoch of Reionization (EoR). Specifically, we investigate how the frequency structure of RFI source emission generates contamination i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c7181d2deab8d5639e0d062c47bb7e68
https://doi.org/10.1093/mnras/staa2442
https://doi.org/10.1093/mnras/staa2442
Autor:
Nichole Barry, J. L. B. Line, Ian Sullivan, Miguel F. Morales, Bryna J. Hazelton, Daniel C. Jacobs, Christene Lynch, R. Byrne
We present a broadband map of polarized diffuse emission at 167-198 MHz developed from data from the Murchison Widefield Array (MWA). The map is designed to improve visibility simulation and precision calibration for 21 cm Epoch of Reionization (EoR)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6844e27c32a16141ca20d7de3dc7d6af
https://resolver.caltech.edu/CaltechAUTHORS:20211217-233158343
https://resolver.caltech.edu/CaltechAUTHORS:20211217-233158343
Publikováno v:
Journal of Astronomical Telescopes, Instruments, and Systems, 8(1):011007. Society of Photo-Optical Instrumentation Engineers (SPIE)
The Square Kilometre Array (SKA) is a planned radio interferometer of unprecedented scale that will revolutionize low-frequency radio astronomy when completed. In particular, one of its core science drivers is the systematic mapping of the Cosmic Daw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72e89c4f0104f690553ea7d1ae7b7df6
https://hdl.handle.net/11370/69e3cc49-c848-4a8a-aafd-dff8d74601e3
https://hdl.handle.net/11370/69e3cc49-c848-4a8a-aafd-dff8d74601e3
Publikováno v:
Publications of the Astronomical Society of Australia. 39
We describe a new polarized imaging pipeline implemented in the FHD software package. The pipeline is based on the optimal mapmaking imaging approach and performs horizon-to-horizon image reconstruction in all polarization modes. We discuss the forma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d37f17e50987ee3df605e55e1afd9ff5
https://doi.org/10.1017/pasa.2022.21
https://doi.org/10.1017/pasa.2022.21
Autor:
Eric Howard, Keitaro Takahashi, M. Wilensky, Bryna J. Hazelton, Christene Lynch, R. C. Joseph, B. Pindor, S. Yoshiura, M. Rahimi, J. L. B. Line, Matthew Kolopanis, Bradley Greig, B. McKinley, Daniel C. Jacobs, Steven Tingay, Jonathan C. Pober, Judd D. Bowman, Zheng Zhang, Randall B. Wayth, A. Chokshi, Christopher H. Jordan, R. Byrne, Rachel L. Webster, Nichole Barry, Adam P. Beardsley, J. S. B. Wyithe, Keisuke Hasegawa, Daniel A. Mitchell, Cathryn M. Trott, Miguel F. Morales, Qian Zheng, Steven G. Murray
Observations in the lowest MWA band between $75-100$ MHz have the potential to constrain the distribution of neutral hydrogen in the intergalactic medium at redshift $\sim 13-17$. Using 15 hours of MWA data, we analyse systematics in this band such a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b146f6d1f8fd0d56e1015af66a6a8ef