Zobrazeno 1 - 10
of 76
pro vyhledávání: '"Calvin, Leung"'
Autor:
Mohit Bhardwaj, Daniele Michilli, Aida Yu. Kirichenko, Obinna Modilim, Kaitlyn Shin, Victoria M. Kaspi, Bridget C. Andersen, Tomas Cassanelli, Charanjot Brar, Shami Chatterjee, Amanda M. Cook, Fengqiu Adam Dong, Emmanuel Fonseca, B. M. Gaensler, Adaeze L. Ibik, J. F. Kaczmarek, Adam E. Lanman, Calvin Leung, K. W. Masui, Ayush Pandhi, Aaron B. Pearlman, Emily Petroff, Ziggy Pleunis, J. Xavier Prochaska, Masoud Rafiei-Ravandi, Ketan R. Sand, Paul Scholz, Kendrick M. Smith
Publikováno v:
The Astrophysical Journal Letters, Vol 971, Iss 2, p L51 (2024)
We present the host galaxies of four apparently nonrepeating fast radio bursts (FRBs), FRB 20181223C, FRB 20190418A, FRB 20191220A, and FRB 20190425A, reported in the first Canadian Hydrogen Intensity Mapping Experiment (CHIME/FRB) catalog. Our selec
Externí odkaz:
https://doaj.org/article/c2b025eaa0ec4c4e9611e566d2587a24
Autor:
Adam E. Lanman, Shion Andrew, Mattias Lazda, Vishwangi Shah, Mandana Amiri, Arvind Balasubramanian, Kevin Bandura, P. J. Boyle, Charanjot Brar, Mark Carlson, Jean-François Cliche, Nina Gusinskaia, Ian T. Hendricksen, J. F. Kaczmarek, Tom Landecker, Calvin Leung, Ryan Mckinven, Juan Mena-Parra, Nikola Milutinovic, Kenzie Nimmo, Aaron B. Pearlman, Andre Renard, Mubdi Rahman, J. Richard Shaw, Seth R. Siegel, Rick J. Smegal, Tomas Cassanelli, Shami Chatterjee, Alice P. Curtin, Matt Dobbs, Fengqiu Adam Dong, Mark Halpern, Hans Hopkins, Victoria M. Kaspi, Kholoud Khairy, Kiyoshi W. Masui, Bradley W. Meyers, Daniele Michilli, Emily Petroff, Tristan Pinsonneault-Marotte, Ziggy Pleunis, Masoud Rafiei-Ravandi, Kaitlyn Shin, Kendrick Smith, Keith Vanderlinde, Tarik J. Zegmott
Publikováno v:
The Astronomical Journal, Vol 168, Iss 2, p 87 (2024)
Localizing fast radio bursts (FRBs) to their host galaxies is an essential step to better understanding their origins and using them as cosmic probes. The Canadian Hydrogen Intensity Mapping Experiment (CHIME)/FRB Outriggers program aims to add very
Externí odkaz:
https://doaj.org/article/2d3ba87ed3d14000bf7fb5b065869742
Autor:
The CHIME/FRB Collaboration, Mandana Amiri, Bridget C. Andersen, Shion Andrew, Kevin Bandura, Mohit Bhardwaj, P. J. Boyle, Charanjot Brar, Daniela Breitman, Tomas Cassanelli, Pragya Chawla, Amanda M. Cook, Alice P. Curtin, Matt Dobbs, Fengqiu Adam Dong, Gwendolyn Eadie, Emmanuel Fonseca, B. M. Gaensler, Utkarsh Giri, Antonio Herrera-Martin, Hans Hopkins, Adaeze L. Ibik, Ronniy C. Joseph, J. F. Kaczmarek, Zarif Kader, Victoria M. Kaspi, Adam E. Lanman, Mattias Lazda, Calvin Leung, Siqi Liu, Kiyoshi W. Masui, Ryan Mckinven, Juan Mena-Parra, Marcus Merryfield, Daniele Michilli, Cherry Ng, Kenzie Nimmo, Gavin Noble, Ayush Pandhi, Chitrang Patel, Aaron B. Pearlman, Ue-Li Pen, Emily Petroff, Ziggy Pleunis, Masoud Rafiei-Ravandi, Mubdi Rahman, Scott M. Ransom, Ketan R. Sand, Paul Scholz, Vishwangi Shah, Kaitlyn Shin, Yuliya Shpunarska, Seth R. Siegel, Kendrick Smith, Ingrid Stairs, David C. Stenning, Keith Vanderlinde, Haochen Wang, Henry White, Dallas Wulf
Publikováno v:
The Astrophysical Journal, Vol 969, Iss 2, p 145 (2024)
In 2021, a catalog of 536 fast radio bursts (FRBs) detected with the Canadian Hydrogen Intensity Mapping Experiment (CHIME) radio telescope was released by the CHIME/FRB Collaboration. This large collection of bursts, observed with a single instrumen
Externí odkaz:
https://doaj.org/article/66da8275a640459286441a123fa8abcc
Autor:
Ayush Pandhi, Ziggy Pleunis, Ryan Mckinven, B. M. Gaensler, Jianing Su, Cherry Ng, Mohit Bhardwaj, Charanjot Brar, Tomas Cassanelli, Amanda Cook, Alice P. Curtin, Victoria M. Kaspi, Mattias Lazda, Calvin Leung, Dongzi Li, Kiyoshi W. Masui, Daniele Michilli, Kenzie Nimmo, Aaron B. Pearlman, Emily Petroff, Masoud Rafiei-Ravandi, Ketan R. Sand, Paul Scholz, Kaitlyn Shin, Kendrick Smith, Ingrid Stairs
Publikováno v:
The Astrophysical Journal, Vol 968, Iss 2, p 50 (2024)
We present a 400–800 MHz polarimetric analysis of 128 nonrepeating fast radio bursts (FRBs) from the first CHIME/FRB baseband catalog, increasing the total number of FRB sources with polarization properties by a factor of ∼3. A total of 89 FRBs h
Externí odkaz:
https://doaj.org/article/8c215d809423481cbb31dc9c2c3f1bab
Autor:
Masoud Rafiei-Ravandi, Kendrick M. Smith, D. Michilli, Ziggy Pleunis, Mohit Bhardwaj, Matt Dobbs, Gwendolyn M. Eadie, Emmanuel Fonseca, B. M. Gaensler, Jane Kaczmarek, Victoria M. Kaspi, Calvin Leung, Dongzi Li, Kiyoshi W. Masui, Ayush Pandhi, Aaron B. Pearlman, Emily Petroff, Mubdi Rahman, Paul Scholz, David C. Stenning
Publikováno v:
The Astrophysical Journal, Vol 961, Iss 2, p 177 (2024)
We present results from angular cross correlations between select samples of CHIME/FRB repeaters and galaxies in three photometric galaxy surveys, which have shown correlations with the first CHIME/FRB catalog containing repeating and nonrepeating so
Externí odkaz:
https://doaj.org/article/b6418ee4e7d14fc7b390a52b9ed81148
Autor:
Adaeze L. Ibik, Maria R. Drout, B. M. Gaensler, Paul Scholz, Daniele Michilli, Mohit Bhardwaj, Victoria M. Kaspi, Ziggy Pleunis, Tomas Cassanelli, Amanda M. Cook, Fengqiu A. Dong, Jane F. Kaczmarek, Calvin Leung, Katherine J. Lu, Kiyoshi W. Masui, Aaron B. Pearlman, Masoud Rafiei-Ravandi, Ketan R Sand, Kaitlyn Shin, Kendrick M. Smith, Ingrid H. Stairs
Publikováno v:
The Astrophysical Journal, Vol 961, Iss 1, p 99 (2024)
We present a search for host galaxy associations for the third set of repeating fast radio burst (FRB) sources discovered by the CHIME/FRB Collaboration. Using the ∼1′ CHIME/FRB baseband localizations and probabilistic methods, we identify potent
Externí odkaz:
https://doaj.org/article/d773ac8eda514ddbb97b8ebd552e62df
Autor:
King Fai Calvin Leung, Mojtaba Golzan, Chaminda Egodage, Simon Rodda, Richard Cracknell, Peter Macken, Shweta Kaushik
Publikováno v:
BMC Ophthalmology, Vol 22, Iss 1, Pp 1-9 (2022)
Abstract Background To analyse ophthalmic presentations to an outer metropolitan and a rural emergency department (ED) during the first wave of the COVID-19 pandemic in New South Wales (NSW), Australia. Methods A retrospective comparative study of op
Externí odkaz:
https://doaj.org/article/e79676f87dd44aef97541d2c112f649c
Autor:
Ketan R. Sand, Daniela Breitman, Daniele Michilli, Victoria M. Kaspi, Pragya Chawla, Emmanuel Fonseca, Ryan Mckinven, Kenzie Nimmo, Ziggy Pleunis, Kaitlyn Shin, Bridget C. Andersen, Mohit Bhardwaj, P. J. Boyle, Charanjot Brar, Tomas Cassanelli, Amanda M. Cook, Alice P. Curtin, Fengqiu Adam Dong, Gwendolyn M. Eadie, B. M. Gaensler, Jane Kaczmarek, Adam Lanman, Calvin Leung, Kiyoshi W. Masui, Mubdi Rahman, Ayush Pandhi, Aaron B. Pearlman, Emily Petroff, Masoud Rafiei-Ravandi, Paul Scholz, Vishwangi Shah, Kendrick Smith, Ingrid Stairs, David C. Stenning
Publikováno v:
The Astrophysical Journal, Vol 956, Iss 1, p 23 (2023)
FRB 20180916B is a repeating fast radio burst (FRB) with a 16.3 day periodicity in its activity. In this study, we present morphological properties of 60 FRB 20180916B bursts detected by CHIME/FRB between 2018 August and 2021 December. We recorded ra
Externí odkaz:
https://doaj.org/article/da07cecdf92a4fd387304d6a50369c24
Autor:
Alice P. Curtin, Shriharsh P. Tendulkar, Alexander Josephy, Pragya Chawla, Bridget Andersen, Victoria M. Kaspi, Mohit Bhardwaj, Tomas Cassanelli, Amanda Cook, Fengqiu Adam Dong, Emmanuel Fonseca, B. M. Gaensler, Jane F. Kaczmarek, Adam E. Lanmnan, Calvin Leung, Aaron B. Pearlman, Emily Petroff, Ziggy Pleunis, Masoud Rafiei-Ravandi, Scott M. Ransom, Kaitlyn Shin, Paul Scholz, Kendrick Smith, Ingrid Stairs
Publikováno v:
The Astrophysical Journal, Vol 954, Iss 2, p 154 (2023)
Fast radio bursts (FRBs) are a class of highly energetic, mostly extragalactic radio transients lasting for ∼milliseconds. While over 600 FRBs have been published so far, their origins are presently unclear, with some theories for extragalactic FRB
Externí odkaz:
https://doaj.org/article/3e53a04f702743f593d56d33f8f4e6c5
Autor:
Daniele Michilli, Mohit Bhardwaj, Charanjot Brar, B. M. Gaensler, Victoria M. Kaspi, Aida Kirichenko, Kiyoshi W. Masui, Ryan Mckinven, Cherry Ng, Chitrang Patel, Ketan R. Sand, Paul Scholz, Kaitlyn Shin, Seth R. Siegel, Ingrid Stairs, Tomas Cassanelli, Amanda M. Cook, Matt Dobbs, Fengqiu Adam Dong, Emmanuel Fonseca, Adaeze Ibik, Jane Kaczmarek, Calvin Leung, Aaron B. Pearlman, Emily Petroff, Ziggy Pleunis, Masoud Rafiei-Ravandi, Pranav Sanghavi, J. Richard Shaw, Shriharsh P. Tendulkar
Publikováno v:
The Astrophysical Journal, Vol 950, Iss 2, p 134 (2023)
We report on improved sky localizations of 13 repeating fast radio bursts (FRBs) discovered by CHIME/FRB via the use of interferometric techniques on channelized voltages from the telescope. These so-called “baseband localizations” improve the lo
Externí odkaz:
https://doaj.org/article/f798941aff384f9eb0c18bf1d98ca706