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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 ...

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