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Browsing by Author "Baartman, Rushelle"

Browsing by Author "Baartman, Rushelle"

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  • Bayesian jackknife tests with a small number of subsets: application to HERA 21 cm power spectrum upper limits 
    Wilensky, Michael J.; Kennedy, Fraser; Bull, Philip; Dillon, Joshua S.; Abdurashidova, Zara; Adams, Tyrone; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; Baartman, Rushelle; Balfour, Yanga; Beardsley, Adam P.; Bernardi, Gianni; Billings, Tashalee S.; Bowman, Judd D.; Bradley, Richard F.; Burba, Jacob; Carey, Steven; Carilli, Chris L.; Cheng, Carina; DeBoer, David R.; de Lera Acedo, Eloy; Dexter, Matt; Eksteen, Nico; Ely, John; Ewall-Wice, Aaron; Fagnoni, Nicolas; Fritz, Randall; Furlanetto, Steven R.; Gale-Sides, Kingsley; Glendenning, Brian; Gorthi, Deepthi; Greig, Bradley; Grobbelaar, Jasper; Halday, Ziyaad; Hazelton, Bryna J.; Hewitt, Jacqueline N.; Hickish, Jack; Jacobs, Daniel C.; Julius, Austin; Kariseb, MacCalvin; Kern, Nicholas S.; Kerrigan, Joshua; Kittiwisit, Piyanat; Kohn, Saul A.; Kolopanis, Matthew; Lanman, Adam; La Plante, Paul; Liu, Adrian; Loots, Anita; MacMahon, David Harold Edward; Malan, Lourence; Malgas, Cresshim; Malgas, Keith; Marero, Bradley; Martinot, Zachary E.; Mesinger, Andrei; Molewa, Mathakane; Morales, Miguel F.; Mosiane, Tshegofalang; Murray, Steven G.; Neben, Abraham R.; Nikolic, Bojan; Nuwegeld, Hans; Parsons, Aaron R.; Patra, Nipanjana; Pieterse, Samantha; Razavi-Ghods, Nima; Robnett, James; Rosie, Kathryn; Sims, Peter; Swarts, Hilton; Thyagarajan, Nithyanandan; van Wyngaarden, Pieter; Williams, Peter K. G.; Zheng, Haoxuan (2023)
    We present a Bayesian jackknife test for assessing the probability that a data set contains biased subsets, and, if so, which of the subsets are likely to be biased. The test can be used to assess the presence and likely ...
  • Characterization of inpaint residuals in interferometric measurements of the epoch of reionization 
    Pagano, Michael; Liu, Jing; Liu, Adrian; Kern, Nicholas S.; Ewall-Wice, Aaron; Bull, Philip; Pascua, Robert; Ravanbakhsh, Siamak; Abdurashidova, Zara; Adams, Tyrone; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; Baartman, Rushelle; Balfour, Yanga; Beardsley, Adam P.; Bernardi, Gianni; Billings, Tashalee S.; Bowman, Judd D.; Bradley, Richard F.; Burba, Jacob; Carey, Steven; Carilli, Chris L.; Cheng, Carina; DeBoer, David R.; de Lera Acedo, Eloy; Dexter, Matt; Dillon, Joshua S.; Eksteen, Nico; Ely, John; Fagnoni, Nicolas; Fritz, Randall; Furlanetto, Steven R.; Gale-Sides, Kingsley; Glendenning, Brian; Gorthi, Deepthi; Greig, Bradley; Grobbelaar, Jasper; Halday, Ziyaad; Hazelton, Bryna J.; Hewitt, Jacqueline N.; Hickish, Jack; Jacobs, Daniel C.; Julius, Austin; Kariseb, MacCalvin; Kerrigan, Joshua; Kittiwisit, Piyanat; Kohn, Saul A.; Kolopanis, Matthew; Lanman, Adam; La Plante, Paul; Loots, Anita; MacMahon, David Harold Edward; Malan, Lourence; Malgas, Cresshim; Malgas, Keith; Marero, Bradley; Martinot, Zachary E.; Mesinger, Andrei; Molewa, Mathakane; Morales, Miguel F.; Mosiane, Tshegofalang; Neben, Abraham R.; Nikolic, Bojan; Nuwegeld, Hans; Parsons, Aaron R.; Patra, Nipanjana; Pieterse, Samantha; Razavi-Ghods, Nima; Robnett, James; Rosie, Kathryn; Sims, Peter; Smith, Craig; Swarts, Hilton; Thyagarajan, Nithyanandan; van Wyngaarden, Pieter; Williams, Peter K. G.; Zheng, Haoxuan (2023)
    To mitigate the effects of Radio Frequency Interference (RFI) on the data analysis pipelines of 21 cm interferometric instruments, numerous inpaint techniques have been developed. In this paper, we examine the qualitative ...
  • Direct Optimal Mapping for 21 cm Cosmology: A Demonstration with the Hydrogen Epoch of Reionization Array 
    Xu, Zhilei; Hewitt, Jacqueline N.; Chen, Kai-Feng; Kim, Honggeun; Dillon, Joshua S.; Kern, Nicholas S.; Morales, Miguel F.; Hazelton, Bryna J.; Byrne, Ruby; Fagnoni, Nicolas; Acedo, Eloy de Lera; Abdurashidova, Zara; Adams, Tyrone; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; Baartman, Rushelle; Balfour, Yanga; Beardsley, Adam P.; Bernardi, Gianni; Billings, Tashalee S.; Bowman, Judd D.; Bradley, Richard F.; Bull, Philip; Burba, Jacob; Carey, Steven; Carilli, Chris L.; Cheng, Carina; DeBoer, David R.; Dexter, Matt; Eksteen, Nico; Ely, John; Ewall-Wice, Aaron; Fritz, Randall; Furlanetto, Steven R.; Gale-Sides, Kingsley; Glendenning, Brian; Gorthi, Deepthi; Greig, Bradley; Grobbelaar, Jasper; Halday, Ziyaad; Hickish, Jack; Jacobs, Daniel C.; Julius, Austin; Kariseb, MacCalvin; Kerrigan, Joshua; Kittiwisit, Piyanat; Kohn, Saul A.; Kolopanis, Matthew; Lanman, Adam; La Plante, Paul; Liu, Adrian; Loots, Anita; Ma, Yin-Zhe; Edward MacMahon, David Harold; Malan, Lourence; Malgas, Cresshim; Malgas, Keith; Marero, Bradley; Martinot, Zachary E.; Mesinger, Andrei; Molewa, Mathakane; Mosiane, Tshegofalang; Murray, Steven G.; Neben, Abraham R.; Nikolic, Bojan; Nuwegeld, Hans; Parsons, Aaron R.; Patra, Nipanjana; Pieterse, Samantha; Pober, Jonathan C.; Razavi-Ghods, Nima; Robnett, James; Rosie, Kathryn; Sims, Peter; Smith, Craig; Swarts, Hilton; Thyagarajan, Nithyanandan; Van Wyngaarden, Pieter; Williams, Peter K. G.; Zheng, Haoxuan; HERA Collaboration (2022)
    Motivated by the desire for wide-field images with well-defined statistical properties for 21 cm cosmology, we implement an optimal mapping pipeline that computes a maximum likelihood estimator for the sky using the ...
  • Impact of instrument and data characteristics in the interferometric reconstruction of the 21 cm power spectrum 
    Gorce, Adélie; Ganjam, Samskruthi; Liu, Adrian; Murray, Steven G.; Abdurashidova, Zara; Adams, Tyrone; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; Baartman, Rushelle; Balfour, Yanga; Beardsley, Adam P.; Bernardi, Gianni; Billings, Tashalee S.; Bowman, Judd D.; Bradley, Richard F.; Bull, Philip; Burba, Jacob; Carey, Steven; Carilli, Chris L.; Cheng, Carina; DeBoer, David R.; Acedo, Eloy de Lera; Dexter, Matt; Dillon, Joshua S.; Eksteen, Nico; Ely, John; Ewall-Wice, Aaron; Fagnoni, Nicolas; Fritz, Randall; Furlanetto, Steven R.; Gale-Sides, Kingsley; Glendenning, Brian; Gorthi, Deepthi; Greig, Bradley; Grobbelaar, Jasper; Halday, Ziyaad; Hazelton, Bryna J.; Hewitt, Jacqueline N.; Hickish, Jack; Jacobs, Daniel C.; Julius, Austin; Kariseb, MacCalvin; Kern, Nicholas S.; Kerrigan, Joshua; Kittiwisit, Piyanat; Kohn, Saul A.; Kolopanis, Matthew; Lanman, Adam; Plante, Paul La; Loots, Anita; MacMahon, David Harold Edward; Malan, Lourence; Malgas, Cresshim; Malgas, Keith; Marero, Bradley; Martinot, Zachary E.; Mesinger, Andrei; Molewa, Mathakane; Morales, Miguel F.; Mosiane, Tshegofalang; Neben, Abraham R.; Nikolic, Bojan; Nuwegeld, Hans; Parsons, Aaron R.; Patra, Nipanjana; Pieterse, Samantha; Pober, Jonathan C.; Razavi-Ghods, Nima; Robnett, James; Rosie, Kathryn; Sims, Peter; Swarts, Hilton; Thyagarajan, Nithyanandan; van Wyngaarden, Pieter; Williams, Peter K. G.; Zheng, Haoxuan (2023)
    Combining the visibilities measured by an interferometer to form a cosmological power spectrum is a complicated process. In a delay-based analysis, the mapping between instrumental and cosmological space is not a one-to-one ...
  • Improved Constraints on the 21 cm EoR Power Spectrum and the X-Ray Heating of the IGM with HERA Phase I Observations 
    HERA Collaboration; Abdurashidova, Zara; Adams, Tyrone; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; Baartman, Rushelle; Balfour, Yanga; Barkana, Rennan; Beardsley, Adam P.; Bernardi, Gianni; Billings, Tashalee S.; Bowman, Judd D.; Bradley, Richard F.; Breitman, Daniela; Bull, Philip; Burba, Jacob; Carey, Steve; Carilli, Chris L.; Cheng, Carina; Choudhuri, Samir; DeBoer, David R.; de Lera Acedo, Eloy; Dexter, Matt; Dillon, Joshua S.; Ely, John; Ewall-Wice, Aaron; Fagnoni, Nicolas; Fialkov, Anastasia; Fritz, Randall; Furlanetto, Steven R.; Gale-Sides, Kingsley; Garsden, Hugh; Glendenning, Brian; Gorce, Adélie; Gorthi, Deepthi; Greig, Bradley; Grobbelaar, Jasper; Halday, Ziyaad; Hazelton, Bryna J.; Heimersheim, Stefan; Hewitt, Jacqueline N.; Hickish, Jack; Jacobs, Daniel C.; Julius, Austin; Kern, Nicholas S.; Kerrigan, Joshua; Kittiwisit, Piyanat; Kohn, Saul A.; Kolopanis, Matthew; Lanman, Adam; La Plante, Paul; Lewis, David; Liu, Adrian; Loots, Anita; Ma, Yin-Zhe; MacMahon, David H. E.; Malan, Lourence; Malgas, Keith; Malgas, Cresshim; Maree, Matthys; Marero, Bradley; Martinot, Zachary E.; McBride, Lisa; Mesinger, Andrei; Mirocha, Jordan; Molewa, Mathakane; Morales, Miguel F.; Mosiane, Tshegofalang; Muñoz, Julian B.; Murray, Steven G.; Nagpal, Vighnesh; Neben, Abraham R.; Nikolic, Bojan; Nunhokee, Chuneeta D.; Nuwegeld, Hans; Parsons, Aaron R.; Pascua, Robert; Patra, Nipanjana; Pieterse, Samantha; Qin, Yuxiang; Razavi-Ghods, Nima; Robnett, James; Rosie, Kathryn; Santos, Mario G.; Sims, Peter; Singh, Saurabh; Smith, Craig; Swarts, Hilton; Tan, Jianrong; Thyagarajan, Nithyanandan; Wilensky, Michael J.; Williams, Peter K. G.; van Wyngaarden, Pieter; Zheng, Haoxuan (2023)
    We report the most sensitive upper limits to date on the 21 cm epoch of reionization power spectrum using 94 nights of observing with Phase I of the Hydrogen Epoch of Reionization Array (HERA). Using similar analysis ...
  • Improved Constraints on the 21 cm EoR Power Spectrum and the X-Ray Heating of the IGM with HERA Phase I Observations 
    HERA Collaboration; Abdurashidova, Zara; Adams, Tyrone; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; Baartman, Rushelle; Balfour, Yanga; Barkana, Rennan; Beardsley, Adam P.; Bernardi, Gianni; Billings, Tashalee S.; Bowman, Judd D.; Bradley, Richard F.; Breitman, Daniela; Bull, Philip; Burba, Jacob; Carey, Steve; Carilli, Chris L.; Cheng, Carina; Choudhuri, Samir; DeBoer, David R.; de Lera Acedo, Eloy; Dexter, Matt; Dillon, Joshua S.; Ely, John; Ewall-Wice, Aaron; Fagnoni, Nicolas; Fialkov, Anastasia; Fritz, Randall; Furlanetto, Steven R.; Gale-Sides, Kingsley; Garsden, Hugh; Glendenning, Brian; Gorce, Adélie; Gorthi, Deepthi; Greig, Bradley; Grobbelaar, Jasper; Halday, Ziyaad; Hazelton, Bryna J.; Heimersheim, Stefan; Hewitt, Jacqueline N.; Hickish, Jack; Jacobs, Daniel C.; Julius, Austin; Kern, Nicholas S.; Kerrigan, Joshua; Kittiwisit, Piyanat; Kohn, Saul A.; Kolopanis, Matthew; Lanman, Adam; La Plante, Paul; Lewis, David; Liu, Adrian; Loots, Anita; Ma, Yin-Zhe; MacMahon, David H. E.; Malan, Lourence; Malgas, Keith; Malgas, Cresshim; Maree, Matthys; Marero, Bradley; Martinot, Zachary E.; McBride, Lisa; Mesinger, Andrei; Mirocha, Jordan; Molewa, Mathakane; Morales, Miguel F.; Mosiane, Tshegofalang; Muñoz, Julian B.; Murray, Steven G.; Nagpal, Vighnesh; Neben, Abraham R.; Nikolic, Bojan; Nunhokee, Chuneeta D.; Nuwegeld, Hans; Parsons, Aaron R.; Pascua, Robert; Patra, Nipanjana; Pieterse, Samantha; Qin, Yuxiang; Razavi-Ghods, Nima; Robnett, James; Rosie, Kathryn; Santos, Mario G.; Sims, Peter; Singh, Saurabh; Smith, Craig; Swarts, Hilton; Tan, Jianrong; Thyagarajan, Nithyanandan; Wilensky, Michael J.; Williams, Peter K. G.; van Wyngaarden, Pieter; Zheng, Haoxuan (2023)
    We report the most sensitive upper limits to date on the 21 cm epoch of reionization power spectrum using 94 nights of observing with Phase I of the Hydrogen Epoch of Reionization Array (HERA). Using similar analysis ...
  • Search for the Epoch of Reionization with HERA: upper limits on the closure phase delay power spectrum 
    Keller, Pascal M.; Nikolic, Bojan; Thyagarajan, Nithyanandan; Carilli, Chris L.; Bernardi, Gianni; Charles, Ntsikelelo; Bester, Landman; Smirnov, Oleg M.; Kern, Nicholas S.; Dillon, Joshua S.; Hazelton, Bryna J.; Morales, Miguel F.; Jacobs, Daniel C.; Parsons, Aaron R.; Abdurashidova, Zara; Adams, Tyrone; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; Baartman, Rushelle; Balfour, Yanga; Beardsley, Adam P.; Billings, Tashalee S.; Bowman, Judd D.; Bradley, Richard F.; Bull, Philip; Burba, Jacob; Carey, Steven; Cheng, Carina; DeBoer, David R.; de Lera Acedo, Eloy; Dexter, Matt; Eksteen, Nico; Ely, John; Ewall-Wice, Aaron; Fagnoni, Nicolas; Fritz, Randall; Furlanetto, Steven R.; Gale-Sides, Kingsley; Glendenning, Brian; Gorthi, Deepthi; Greig, Bradley; Grobbelaar, Jasper; Halday, Ziyaad; Hewitt, Jacqueline N.; Hickish, Jack; Julius, Austin; Kariseb, MacCalvin; Kerrigan, Joshua; Kittiwisit, Piyanat; Kohn, Saul A.; Kolopanis, Matthew; Lanman, Adam; Plante, Paul La; Liu, Adrian; Loots, Anita; Ma, Yin-Zhe; MacMahon, David Harold Edward; Malan, Lourence; Malgas, Cresshim; Malgas, Keith; Marero, Bradley; Martinot, Zachary E.; Mesinger, Andrei; Molewa, Mathakane; Mosiane, Tshegofalang; Murray, Steven G.; Neben, Abraham R.; Nuwegeld, Hans; Pascua, Robert; Patra, Nipanjana; Pieterse, Samantha; Pober, Jonathan C.; Razavi-Ghods, Nima; Robnett, James; Rosie, Kathryn; Santos, Mario G.; Sims, Peter; Smith, Craig; Swarts, Hilton; Van Wyngaarden, Pieter; Williams, Peter K. G.; Zheng, Haoxuan (2023)
    Radio interferometers aiming to measure the power spectrum of the redshifted 21 cm line during the Epoch of Reionization (EoR) need to achieve an unprecedented dynamic range to separate the weak signal from overwhelming ...
  • Search for the Epoch of Reionization with HERA: upper limits on the closure phase delay power spectrum 
    Keller, Pascal M.; Nikolic, Bojan; Thyagarajan, Nithyanandan; Carilli, Chris L.; Bernardi, Gianni; Charles, Ntsikelelo; Bester, Landman; Smirnov, Oleg M.; Kern, Nicholas S.; Dillon, Joshua S.; Hazelton, Bryna J.; Morales, Miguel F.; Jacobs, Daniel C.; Parsons, Aaron R.; Abdurashidova, Zara; Adams, Tyrone; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; Baartman, Rushelle; Balfour, Yanga; Beardsley, Adam P.; Billings, Tashalee S.; Bowman, Judd D.; Bradley, Richard F.; Bull, Philip; Burba, Jacob; Carey, Steven; Cheng, Carina; DeBoer, David R.; de Lera Acedo, Eloy; Dexter, Matt; Eksteen, Nico; Ely, John; Ewall-Wice, Aaron; Fagnoni, Nicolas; Fritz, Randall; Furlanetto, Steven R.; Gale-Sides, Kingsley; Glendenning, Brian; Gorthi, Deepthi; Greig, Bradley; Grobbelaar, Jasper; Halday, Ziyaad; Hewitt, Jacqueline N.; Hickish, Jack; Julius, Austin; Kariseb, MacCalvin; Kerrigan, Joshua; Kittiwisit, Piyanat; Kohn, Saul A.; Kolopanis, Matthew; Lanman, Adam; Plante, Paul La; Liu, Adrian; Loots, Anita; Ma, Yin-Zhe; MacMahon, David Harold Edward; Malan, Lourence; Malgas, Cresshim; Malgas, Keith; Marero, Bradley; Martinot, Zachary E.; Mesinger, Andrei; Molewa, Mathakane; Mosiane, Tshegofalang; Murray, Steven G.; Neben, Abraham R.; Nuwegeld, Hans; Pascua, Robert; Patra, Nipanjana; Pieterse, Samantha; Pober, Jonathan C.; Razavi-Ghods, Nima; Robnett, James; Rosie, Kathryn; Santos, Mario G.; Sims, Peter; Smith, Craig; Swarts, Hilton; Van Wyngaarden, Pieter; Williams, Peter K. G.; Zheng, Haoxuan (2023)
    Radio interferometers aiming to measure the power spectrum of the redshifted 21 cm line during the Epoch of Reionization (EoR) need to achieve an unprecedented dynamic range to separate the weak signal from overwhelming ...

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