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Browsing by Author "La Plante, Paul"

Browsing by Author "La Plante, Paul"

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  • Absolute Calibration Strategies for the Hydrogen Epoch of Reionization Array and Their Impact on the 21 cm Power Spectrum 
    Kern, Nicholas S.; Dillon, Joshua S.; Parsons, Aaron R.; Carilli, Christopher L.; Bernardi, Gianni; Abdurashidova, Zara; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; 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.; Dexter, Matt; de Lera Acedo, Eloy; Ely, John; Ewall-Wice, Aaron; Fagnoni, Nicolas; Fritz, Randall; Furlanetto, Steve 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; Kerrigan, Joshua; Kittiwisit, Piyanat; Kohn, Saul A.; Kolopanis, Matthew; Lanman, Adam; La Plante, Paul; Lekalake, Telalo; Liu, Adrian; MacMahon, David; Malan, Lourence; Malgas, Cresshim; Maree, Matthys; Martinot, Zachary E.; Matsetela, Eunice; Mesinger, Andrei; Molewa, Mathakane; Morales, Miguel F.; Mosiane, Tshegofalang; Murray, Steven G.; Neben, Abraham R.; Nikolic, Bojan; Nunhokee, Chuneeta D.; Patra, Nipanjana; Pieterse, Samantha; Pober, Jonathan C.; Razavi-Ghods, Nima; Ringuette, Jon; Robnett, James; Rosie, Kathryn; Sims, Peter; Smith, Craig; Syce, Angelo; Thyagarajan, Nithyanandan; Williams, Peter K. G.; Zheng, Haoxuan (2020)
    We discuss absolute calibration strategies for Phase I of the Hydrogen Epoch of Reionization Array (HERA), which aims to measure the cosmological 21 cm signal from the Epoch of Reionization. HERA is a drift-scan array with ...
  • Automated Detection of Antenna Malfunctions in Large- <I>N</I> Interferometers: A Case Study with the Hydrogen Epoch of Reionization Array 
    Storer, Dara; Dillon, Joshua S.; Jacobs, Daniel C.; Morales, Miguel F.; Hazelton, Bryna J.; Ewall-Wice, Aaron; Abdurashidova, Zara; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; 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.; Lera Acedo, Eloy; Dexter, Matt; Dynes, Scott; Ely, John; 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; Huang, Tian; Josaitis, Alec; 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; Malan, Lourence; Malgas, Cresshim; Martinot, Zachary E.; Mesinger, Andrei; Molewa, Mathakane; Mosiane, Tshegofalang; Murray, Steven G.; Neben, Abraham R.; Nikolic, Bojan; Nunhokee, Chuneeta Devi; Parsons, Aaron R.; Pascua, Robert; Patra, Nipanjana; Pieterse, Samantha; Pober, Jonathan C.; Razavi-Ghods, Nima; Riley, Daniel; Robnett, James; Rosie, Kathryn; Santos, Mario G.; Sims, Peter; Singh, Saurabh; Smith, Craig; Tan, Jianrong; Thyagarajan, Nithyanandan; Williams, Peter K. G.; Zheng, Haoxuan (2021)
  • Automated Detection of Antenna Malfunctions in Large-N Interferometers: A Case Study With the Hydrogen Epoch of Reionization Array 
    Storer, Dara; Dillon, Joshua S.; Jacobs, Daniel C.; Morales, Miguel F.; Hazelton, Bryna J.; Ewall-Wice, Aaron; Abdurashidova, Zara; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; 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.; de Lera Acedo, Eloy; Dexter, Matt; Dynes, Scott; Ely, John; 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; Huang, Tian; Josaitis, Alec; 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; Malan, Lourence; Malgas, Cresshim; Martinot, Zachary E.; Mesinger, Andrei; Molewa, Mathakane; Mosiane, Tshegofalang; Murray, Steven G.; Neben, Abraham R.; Nikolic, Bojan; Nunhokee, Chuneeta Devi; Parsons, Aaron R.; Pascua, Robert; Patra, Nipanjana; Pieterse, Samantha; Pober, Jonathan C.; Razavi-Ghods, Nima; Riley, Daniel; Robnett, James; Rosie, Kathryn; Santos, Mario G.; Sims, Peter; Singh, Saurabh; Smith, Craig; Tan, Jianrong; Thyagarajan, Nithyanandan; Williams, Peter K. G.; Zheng, Haoxuan (2022)
    We present a framework for identifying and flagging malfunctioning antennas in large radio interferometers. We outline two distinct categories of metrics designed to detect outliers along known failure modes of large arrays: ...
  • 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 ...
  • Detection of cosmic structures using the bispectrum phase. II. First results from application to cosmic reionization using the Hydrogen Epoch of Reionization Array 
    Thyagarajan, Nithyanandan; Carilli, Chris L.; Nikolic, Bojan; Kent, James; Mesinger, Andrei; Kern, Nicholas S.; Bernardi, Gianni; Matika, Siyanda; Abdurashidova, Zara; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; Balfour, Yanga; Beardsley, Adam P.; Billings, Tashalee S.; Bowman, Judd D.; Bradley, Richard F.; Burba, Jacob; Carey, Steve; Cheng, Carina; DeBoer, David R.; Dexter, Matt; Acedo, Eloy de Lera; Dillon, Joshua S.; 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; Kerrigan, Joshua; Kittiwisit, Piyanat; Kohn, Saul A.; Kolopanis, Matthew; Lanman, Adam; La Plante, Paul; Lekalake, Telalo; Lewis, David; Liu, Adrian; MacMahon, David; Malan, Lourence; Malgas, Cresshim; Maree, Matthys; Martinot, Zachary E.; Matsetela, Eunice; Molewa, Mathakane; Morales, Miguel F.; Mosiane, Tshegofalang; Neben, Abraham R.; Parsons, Aaron R.; Patra, Nipanjana; Pieterse, Samantha; Pober, Jonathan C.; Razavi-Ghods, Nima; Ringuette, Jon; Robnett, James; Rosie, Kathryn; Sims, Peter; Smith, Craig; Syce, Angelo; Williams, Peter K. G.; Zheng, Haoxuan (2020)
    Characterizing the epoch of reionization (EoR) at z ?6 via the redshifted 21 cm line of neutral Hydrogen (H I) is critical to modern astrophysics and cosmology, and thus a key science goal of many current and planned ...
  • 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 ...
  • Effects of model incompleteness on the drift-scan calibration of radio telescopes 
    Gehlot, Bharat K.; Jacobs, Daniel C.; Bowman, Judd D.; Mahesh, Nivedita; Murray, Steven G.; Kolopanis, Matthew; Beardsley, Adam P.; Abdurashidova, Zara; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; Balfour, Yanga; Bernardi, Gianni; Billings, Tashalee S.; Bradley, Richard F.; Bull, Phil; Burba, Jacob; Carey, Steve; Carilli, Chris L.; Cheng, Carina; DeBoer, David R.; Dexter, Matt; de Lera Acedo, Eloy; Dillon, Joshua S.; 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; Julius, Austin; Kern, Nicholas S.; Kerrigan, Joshua; Kittiwisit, Piyanat; Kohn, Saul A.; Lanman, Adam; La Plante, Paul; Lekalake, Telalo; Lewis, David; Liu, Adrian; Ma, Yin-Zhe; MacMahon, David; Malan, Lourence; Malgas, Cresshim; Maree, Matthys; Martinot, Zachary E.; Matsetela, Eunice; Mesinger, Andrei; Molewa, Mathakane; Monsalve, Raul A.; Morales, Miguel F.; Mosiane, Tshegofalang; Neben, Abraham R.; Nikolic, Bojan; Parsons, Aaron R.; Pascua, Robert; Patra, Nipanjana; Pieterse, Samantha; Pober, Jonathan C.; Razavi-Ghods, Nima; Ringuette, Jon; Robnett, James; Rosie, Kathryn; Santos, Mario G.; Sims, Peter; Smith, Craig; Syce, Angelo; Tegmark, Max; Thyagarajan, Nithyanandan; Williams, Peter K. G.; Zheng, Haoxuan (2021)
    Precision calibration poses challenges to experiments probing the redshifted 21-cm signal of neutral hydrogen from the Cosmic Dawn and Epoch of Reionization (z ~ 30-6). In both interferometric and global signal experiments, ...
  • First Results from HERA Phase I: Upper Limits on the Epoch of Reionization 21 cm Power Spectrum 
    Abdurashidova, Zara; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; Balfour, Yanga; Beardsley, Adam P.; Bernardi, Gianni; Billings, Tashalee S.; Bowman, Judd D.; Bradley, Richard F.; Bull, Philip; Burba, Jacob; Carey, Steve; Carilli, Chris L.; Cheng, Carina; DeBoer, David R.; Dexter, Matt; de Lera Acedo, Eloy; Dibblee-Barkman, Taylor; Dillon, Joshua S.; 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; Kern, Nicholas S.; Kerrigan, Joshua; Kittiwisit, Piyanat; Kohn, Saul A.; Kolopanis, Matthew; Lanman, Adam; La Plante, Paul; Lekalake, Telalo; Lewis, David; Liu, Adrian; MacMahon, David; Malan, Lourence; Malgas, Cresshim; Maree, Matthys; Martinot, Zachary E.; Matsetela, Eunice; Mesinger, Andrei; Molewa, Mathakane; Morales, Miguel F.; Mosiane, Tshegofalang; Murray, Steven G.; Neben, Abraham R.; Nikolic, Bojan; Nunhokee, Chuneeta D.; Parsons, Aaron R.; Patra, Nipanjana; Pascua, Robert; Pieterse, Samantha; Pober, Jonathan C.; Razavi-Ghods, Nima; Ringuette, Jon; Robnett, James; Rosie, Kathryn; Sims, Peter; Singh, Saurabh; Smith, Craig; Syce, Angelo; Thyagarajan, Nithyanandan; Williams, Peter K. G.; Zheng, Haoxuan; HERA Collaboration (2022)
    We report upper limits on the Epoch of Reionization 21 cm power spectrum at redshifts 7.9 and 10.4 with 18 nights of data (~36 hr of integration) from Phase I of the Hydrogen Epoch of Reionization Array (HERA). The Phase ...
  • HERA Phase I Limits on the Cosmic 21 cm Signal: Constraints on Astrophysics and Cosmology during the Epoch of Reionization 
    Abdurashidova, Zara; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; Balfour, Yanga; Barkana, Rennan; Beardsley, Adam P.; Bernardi, Gianni; Billings, Tashalee S.; Bowman, Judd D.; Bradley, Richard F.; Bull, Philip; Burba, Jacob; Carey, Steve; Carilli, Chris L.; Cheng, Carina; DeBoer, David R.; Dexter, Matt; de Lera Acedo, Eloy; Dillon, Joshua S.; Ely, John; Ewall-Wice, Aaron; Fagnoni, Nicolas; Fialkov, Anastasia; Fritz, Randall; Furlanetto, Steven R.; Gale-Sides, Kingsley; Glendenning, Brian; 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; Lekalake, Telalo; Lewis, David; Liu, Adrian; Ma, Yin-Zhe; MacMahon, David; Malan, Lourence; Malgas, Cresshim; Maree, Matthys; Martinot, Zachary E.; Matsetela, Eunice; Mesinger, Andrei; Mirocha, Jordan; Molewa, Mathakane; Morales, Miguel F.; Mosiane, Tshegofalang; Muñoz, Julian B.; Murray, Steven G.; Neben, Abraham R.; Nikolic, Bojan; Nunhokee, Chuneeta D.; Parsons, Aaron R.; Patra, Nipanjana; Pieterse, Samantha; Pober, Jonathan C.; Qin, Yuxiang; Razavi-Ghods, Nima; Reis, Itamar; Ringuette, Jon; Robnett, James; Rosie, Kathryn; Santos, Mario G.; Sikder, Sudipta; Sims, Peter; Smith, Craig; Syce, Angelo; Thyagarajan, Nithyanandan; Williams, Peter K. G.; Zheng, Haoxuan (2022)
    Recently, the Hydrogen Epoch of Reionization Array (HERA) has produced the experiment&#39;s first upper limits on the power spectrum of 21 cm fluctuations at z ~ 8 and 10. Here, we use several independent theoretical models ...
  • Imaging and Modeling Data from the Hydrogen Epoch of Reionization Array 
    Carilli, C. L.; Thyagarajan, N.; Kent, J.; Nikolic, B.; Gale-Sides, K.; Kern, N. S.; Bernardi, G.; Mesinger, A.; Matika, S.; Abdurashidova, Zara; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; Balfour, Yanga; Beardsley, Adam P.; Billings, Tashalee S.; Bowman, Judd D.; Bradley, Richard F.; Bull, Phil; Burba, Jacob; Cheng, Carina; DeBoer, David R.; Dexter, Matt; Acedo, Eloy de Lera; Dillon, Joshua S.; Ewall-Wice, Aaron; Fagnoni, Nicolas; Fritz, Randall; Furlanetto, Steve 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.; Josaitis, Alec; Julius, Austin; Kerrigan, Joshua; Kim, Honggeun; Kittiwisit, Piyanat; Kohn, Saul A.; Kolopanis, Matthew; Lanman, Adam; La Plante, Paul; Lekalake, Telalo; Liu, Adrian; MacMahon, David; Malan, Lourence; Malgas, Cresshim; Maree, Matthys; Martinot, Zachary E.; Matsetela, Eunice; Molewa, Mathakane; Morales, Miguel F.; Mosiane, Tshegofalang; Neben, Abraham R.; Parra, Juan Mena; Parsons, Aaron R.; Patra, Nipanjana; Pieterse, Samantha; Pober, Jonathan C.; Razavi-Ghods, Nima; Robnett, James; Rosie, Kathryn; Sims, Peter; Syce, Angelo; Williams, Peter K. G.; Zheng, Haoxuan (2020)
    We analyze data from the Hydrogen Epoch of Reionization Array (HERA). This is the third in a series of papers on the closure phase delay spectrum technique designed to detect the H I 21 cm emission from cosmic reionization. ...
  • 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 ...
  • Methods of Error Estimation for Delay Power Spectra in 21 cm Cosmology 
    Tan, Jianrong; Liu, Adrian; Kern, Nicholas S.; Abdurashidova, Zara; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; Balfour, Yanga; Beardsley, Adam P.; Bernardi, Gianni; Billings, Tashalee S.; Bowman, Judd D.; Bradley, Richard F.; Bull, Philip; Burba, Jacob; Carey, Steven; Carilli, Christopher L.; Cheng, Carina; DeBoer, David R.; Dexter, Matt; de Lera Acedo, Eloy; Dillon, Joshua S.; Ely, John; Ewall-Wice, Aaron; Fagnoni, Nicolas; Fritz, Randall; Furlanetto, Steve 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; Kerrigan, Joshua; Kittiwisit, Piyanat; Kohn, Saul A.; Kolopanis, Matthew; Lanman, Adam; La Plante, Paul; Lekalake, Telalo; MacMahon, David; Malan, Lourence; Malgas, Cresshim; Maree, Matthys; Martinot, Zachary E.; Matsetela, Eunice; Mesinger, Andrei; Molewa, Mathakane; Morales, Miguel F.; Mosiane, Tshegofalang; Murray, Steven G.; Neben, Abraham R.; Nikolic, Bojan; Nunhokee, Chuneeta D.; Parsons, Aaron R.; Patra, Nipanjana; Pieterse, Samantha; Pober, Jonathan C.; Razavi-Ghods, Nima; Ringuette, Jon; Robnett, James; Rosie, Kathryn; Sims, Peter; Singh, Saurabh; Smith, Craig; Syce, Angelo; Thyagarajan, Nithyanandan; Williams, Peter K. G.; Zheng, Haoxuan (2021)
    Precise measurements of the 21 cm power spectrum are crucial for understanding the physical processes of hydrogen reionization. Currently, this probe is being pursued by low-frequency radio interferometer arrays. As these ...
  • Mitigating Internal Instrument Coupling for 21 cm Cosmology. II. A Method Demonstration with the Hydrogen Epoch of Reionization Array 
    Kern, Nicholas S.; Parsons, Aaron R.; Dillon, Joshua S.; Lanman, Adam E.; Liu, Adrian; Bull, Philip; Ewall-Wice, Aaron; Abdurashidova, Zara; Aguirre, James E.; Alexander, Paul; Ali, Zaki S.; Balfour, Yanga; Beardsley, Adam P.; Bernardi, Gianni; Bowman, Judd D.; Bradley, Richard F.; Burba, Jacob; Carilli, Chris L.; Cheng, Carina; DeBoer, David R.; Dexter, Matt; de Lera Acedo, Eloy; Fagnoni, Nicolas; Fritz, Randall; Furlanetto, Steve R.; Glendenning, Brian; Gorthi, Deepthi; Greig, Bradley; Grobbelaar, Jasper; Halday, Ziyaad; Hazelton, Bryna J.; Hewitt, Jacqueline N.; Hickish, Jack; Jacobs, Daniel C.; Julius, Austin; Kerrigan, Joshua; Kittiwisit, Piyanat; Kohn, Saul A.; Kolopanis, Matthew; La Plante, Paul; Lekalake, Telalo; MacMahon, David; Malan, Lourence; Malgas, Cresshim; Maree, Matthys; Martinot, Zachary E.; Matsetela, Eunice; Mesinger, Andrei; Molewa, Mathakane; Morales, Miguel F.; Mosiane, Tshegofalang; Murray, Steven G.; Neben, Abraham R.; Parsons, Aaron R.; Patra, Nipanjana; Pieterse, Samantha; Pober, Jonathan C.; Razavi-Ghods, Nima; Ringuette, Jon; Robnett, James; Rosie, Kathryn; Sims, Peter; Smith, Craig; Syce, Angelo; Thyagarajan, Nithyanandan; Williams, Peter K. G.; Zheng, Haoxuan (2020)
    We present a study of internal reflection and cross-coupling systematics in Phase I of the Hydrogen Epoch of Reionization Array (HERA). In a companion paper, we outlined the mathematical formalism for such systematics and ...
  • Redundant-baseline calibration of the hydrogen epoch of reionization array 
    Dillon, Joshua S.; Lee, Max; Ali, Zaki S.; Parsons, Aaron R.; Orosz, Naomi; Nunhokee, Chuneeta Devi; La Plante, Paul; Beardsley, Adam P.; Kern, Nicholas S.; Abdurashidova, Zara; Aguirre, James E.; Alexander, Paul; Balfour, Yanga; Bernardi, Gianni; Billings, Tashalee S.; Bowman, Judd D.; Bradley, Richard F.; Bull, Phil; Burba, Jacob; Carey, Steve; Carilli, Chris L.; Cheng, Carina; DeBoer, David R.; Dexter, Matt; de Lera Acedo, Eloy; 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; Kerrigan, Joshua; Kittiwisit, Piyanat; Kohn, Saul A.; Kolopanis, Matthew; Lanman, Adam; Lekalake, Telalo; Lewis, David; Liu, Adrian; Ma, Yin-Zhe; MacMahon, David; Malan, Lourence; Malgas, Cresshim; Maree, Matthys; Martinot, Zachary E.; Matsetela, Eunice; Mesinger, Andrei; Molewa, Mathakane; Morales, Miguel F.; Mosiane, Tshegofalang; Murray, Steven; Neben, Abraham R.; Nikolic, Bojan; Pascua, Robert; Patra, Nipanjana; Pieterse, Samantha; Pober, Jonathan C.; Razavi-Ghods, Nima; Ringuette, Jon; Robnett, James; Rosie, Kathryn; Santos, Mario G.; Sims, Peter; Smith, Craig; Syce, Angelo; Tegmark, Max; Thyagarajan, Nithyanandan; Williams, Peter K. G.; Zheng, Haoxuan (2020)
    In 21-cm cosmology, precision calibration is key to the separation of the neutral hydrogen signal from very bright but spectrally smooth astrophysical foregrounds. The Hydrogen Epoch of Reionization Array (HERA), an ...
  • Validation of the HERA Phase I Epoch of Reionization 21 cm Power Spectrum Software Pipeline 
    Aguirre, James E.; Murray, Steven G.; Pascua, Robert; Martinot, Zachary E.; Burba, Jacob; Dillon, Joshua S.; Jacobs, Daniel C.; Kern, Nicholas S.; Kittiwisit, Piyanat; Kolopanis, Matthew; Lanman, Adam; Liu, Adrian; Whitler, Lily; Abdurashidova, Zara; Alexander, Paul; Ali, Zaki S.; Balfour, Yanga; Beardsley, Adam P.; Bernardi, Gianni; Billings, Tashalee S.; Bowman, Judd D.; Bradley, Richard F.; Bull, Philip; Carey, Steve; Carilli, Chris L.; Cheng, Carina; DeBoer, David R.; Dexter, Matt; de Lera Acedo, Eloy; 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; Julius, Austin; Kerrigan, Joshua; Kohn, Saul A.; La Plante, Paul; Lekalake, Telalo; Lewis, David; MacMahon, David; Malan, Lourence; Malgas, Cresshim; Maree, Matthys; Matsetela, Eunice; Mesinger, Andrei; Molewa, Mathakane; Morales, Miguel F.; Mosiane, Tshegofalang; Neben, Abraham R.; Nikolic, Bojan; Parsons, Aaron R.; Patra, Nipanjana; Pieterse, Samantha; Pober, Jonathan C.; Razavi-Ghods, Nima; Ringuette, Jon; Robnett, James; Rosie, Kathryn; Santos, Mario G.; Sims, Peter; Singh, Saurabh; Smith, Craig; Syce, Angelo; Thyagarajan, Nithyanandan; Williams, Peter K. G.; Zheng, Haoxuan; HERA Collaboration (2022)
    We describe the validation of the HERA Phase I software pipeline by a series of modular tests, building up to an end-to-end simulation. The philosophy of this approach is to validate the software and algorithms used in the ...

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