Department of Microelectronics
Faculty of Electrical Engineering, Mathematics, and Computer Science

Stefanie Brackenhoff

Publications

  1. Robust direction-dependent gain-calibration of beam-modelling errors far from the target field
    S. A. Brackenhoff; A. R. Offringa; M. Mevius; L. V. E. Koopmans; J. K. Chege; E. Ceccotti; C. Höfer; L. Gao; S. Ghosh; F. G. Mertens; S. Munshi;
    Monthly Notices of the Royal Astronomical Society,
    Volume 541, Issue 4, Aug. 2025. DOI: 10.1093/mnras/staf1206

  2. Extracting the Epoch of Reionization Signal with 3D U-Net Neural Networks Using a Data-driven Systematic Effect Model
    Li-Yang Gao; Léon V. E. Koopmans; Florent G. Mertens; Satyapan Munshi; Yichao Li; Stefanie A. Brackenhoff; Emilio Ceccotti; J. Kariuki Chege; Anshuman Acharya; Raghunath Ghara; Sambit K. Giri; Ilian T. Iliev; Garrelt Mellema; Xin Zhang;
    The Astrophysical Journal,
    Volume 988, Issue 1, pp. 84 (1-17), Jul. 2025. DOI: 10.3847/1538-4357/ade2dc

  3. Deeper multi-redshift upper limits on the epoch of reionisation 21 cm signal power spectrum from LOFAR between z = 8.3 and z = 10.1
    F. G. Mertens; M. Mevius; L. V. E. Koopmans; A. R. Offringa; S. Zaroubi; A. Acharya; S. A. Brackenhoff; E. Ceccotti; E. Chapman; K. Chege; B. Ciardi; R. Ghara; S. Ghosh; S. K. Giri; I. Hothi; C. Höfer; I. T. Iliev; V. Jelić; Q. Ma; G. Mellema; S. Munshi; V. N. Pandey andS. Yatawatta;
    Astronomy and Astrophysics,
    Volume 698, Issue A186, pp. 1-32, May 2025. DOI: 10.1051/0004-6361/202554763

  4. Near-field imaging of local interference in radio interferometric data
    S. Munshi; F. G. Mertens; L. V. E. Koopmans; M. Mevius; A. R. Offringa; B. Semelin; C. Viou; A. Bracco; S. A. Brackenhoff; E. Ceccotti; J. K. Chege; A. Fialkov; L. Y. Gao; R. Ghara; S. Ghosh; A. K. Shaw; P. Zarka; S. Zaroubi; B. Cecconi; S. Corbel; J. N. Girard; J. M. Grießmeier; O. Konovalenko; A. Loh; P. Tokarsky; O. Ulyanov; V. Zakharenko;
    Astronomy and Astrophysics,
    Volume 697, Issue A203, pp. 1-19, May 2025. DOI: 10.1051/0004-6361/202554763

  5. Spectral modelling of Cygnus A between 110 and 250 MHz. Impact on the LOFAR 21-cm signal power spectrum
    E. Ceccotti; A. R. Offringa; L. V. E. Koopmans; F. G. Mertens; M. Mevius; A. Acharya; S. A. Brackenhoff; B. Ciardi; B. K. Gehlot; R. Ghara; J. K. Chege; S. Ghosh; C. Höfer; I. Hothi; I. T. Iliev; J. P. McKean; S. Munshi; S. Zaroubi;
    Astronomy and Astrophysics,
    Volume 696, Issue A56, pp. 1-22, Apr. 2025. DOI: 10.1051/0004-6361/202453106

  6. Beyond the horizon: Quantifying the full sky foreground wedge in the cylindrical power spectrum
    S. Munshi; F. G. Mertens; L. V. E. Koopmans; A. R. Offringa; E. Ceccotti; S. A. Brackenhoff; J. K. Chege; B. K. Gehlot; S. Ghosh; C. Höfer; M. Mevius;
    Astronomy and Astrophysics,
    Volume 693, Issue A276, pp. 1-20, Jan. 2025. DOI: 10.1051/0004-6361/202451181

  7. Constraints on the state of the intergalactic medium at z∼8 − 10 using redshifted 21 cm observations with LOFAR
    R. Ghara; S. Zaroubi; B. Ciardi; G. Mellema; S. K. Giri; F. G. Mertens; M. Mevius; L. V. E. Koopmans; I. T. Iliev; A. Acharya; S. A. Brackenhoff; E. Ceccotti; K. Chege; I. Georgiev; S. Ghosh; I. Hothi; C. Höfer; Q. Ma; S. Munshi; A. R. Offringa; A. K. Shaw; V. N. Pandey; S. Yatawatta; M. Choudhury;
    Astronomy and Astrophysics,
    Volume 699, Jul. 2025. DOI: 10.1051/0004-6361/202554163

  8. Improved upper limits on the 21-cm signal power spectrum at z = 17.0 and z = 20.3 from an optimal field observed with NenuFAR
    S. Munshi; F. G. Mertens; J. K. Chege; L. V. E. Koopmans; A. R. Offringa; B. Semelin; R. Barkana; J. Dhandha; A. Fialkov; R. Mériot; S. Sikder; A. Bracco; S. A. Brackenhoff; E. Ceccotti; R. Ghara; S. Ghosh; I. Hothi; M. Mevius; P. Ocvirk; A. K. Shaw; S. Yatawatta; P. Zarka;
    Monthly Notices of the Royal Astronomical Society,
    Volume 542, Issue 4, pp. 2785–2807, Oct. 2025. DOI: 10.1093/mnras/staf1386

  9. The impact of lossy data compression on the power spectrum of the high-redshift 21 cm signal with LOFAR
    J. K. Chege; L. V. E. Koopmans; A. R. Offringa; B. K. Gehlot; S. A. Brackenhoff; E. Ceccotti; S. Ghosh; C. Höfer; F. G. Mertens; M. Mevius; S. Munshi;
    Astronomy and Astrophysics,
    Volume 692, Issue A211, pp. 1-11, Dec. 2024. DOI: 10.1051/0004-6361/202451367

  10. Ionospheric contributions to the excess power in high-redshift 21-cm power-spectrum observations with LOFAR
    S. A. Brackenhoff; M. Mevius; L. V. E. Koopmans; A. Offringa; E. Ceccotti; J. K. Chege; B. K. Gehlot; S. Ghosh; C. Höfer; F. G. Mertens; S. Munshi; S. Zaroubi;
    Monthly Notices of the Royal Astronomical,
    Volume 533, Issue 1, pp. 632–656, Sept. 2024. DOI: 10.1093/mnras/stae1856

  11. Transient RFI environment of LOFAR-LBA at 72–75 MHz. Impact on ultra-widefield AARTFAAC Cosmic Explorer observations of the redshifted 21-cm signal
    B. K. Gehlot; L. V. E. Koopmans; S. A. Brackenhoff; E. Ceccotti; S. Ghosh; C. Höfer; F. G. Mertens; M. Mevius; S. Munshi; A. R. Offringa; V. N. Pandey; A. Rowlinson; A. Shulevski; R. A. M. J. Wijers; S. Yatawatta; S. Zaroubi;
    Astronomy and Astrophysics,
    Volume 681, Issue A71, pp. 1-13, Jan. 2024. DOI: 10.1051/0004-6361/202346376

  12. First upper limits on the 21 cm signal power spectrum from cosmic dawn from one night of observations with NenuFAR
    S. Munshi; F. G. Mertens; L. V. E. Koopmans; A. R. Offringa; B. Semelin; D. Aubert; R. Barkana; A. Bracco; S. A. Brackenhoff; B. Cecconi; E. Ceccotti and, S. Corbel; A. Fialkov; B. K. Gehlot; R. Ghara; J. N. Girard; J. M. Grießmeier; C. Höfer; I. Hothi; R. Mériot; M. Mevius; P. Ocvirk; A. K. Shaw; G. Theureau; S. Yatawatta; P. Zarka; S. Zaroubi;
    Astronomy and Astrophysics,
    Volume 681, Jan. 2024. DOI: 10.1051/0004-6361/202348329

  13. A novel radio imaging method for physical spectral index modelling
    E. Ceccotti; A. R. Offringa; L. V. E. Koopmans; R. Timmerman; S. A. Brackenhoff; B. K. Gehlot; F. G. Mertens; S. Munshi; V. N. Pandey; R. J. van Weeren; S. Yatawatta; S. Zaroubi;
    Monthly Notices of the Royal Astronomical Society,
    Volume 525, Issue 3, pp. 3946–3962, Nov. 2023. DOI: 10.1093/mnras/stad2465

  14. TiEMPO: open-source time-dependent end-to-end model for simulating ground-based submillimeter astronomical observations
    Huijten, E.; Roelvink, Y.; Brackenhoff, S. A.; Taniguchi, A.; Bakx, T. J. L. C.; Marthi, K. B.; Zaalberg, S.; Doing A.-K.; Baselmans, J. J. A.; Chin, K. W.; Huiting, R.; Karatsu, K.; Pascual Laguna, A.; Tamura, Y.; Takekoshi, T.; Yates, S. J. C.; van Hoven, M.; Endo, A.;
    J. of Astronomical Telescopes, Instruments and systems,
    Volume 8, Issue 2, 2022. DOI: 10.1117/1.JATIS.8.2.028005

  15. DESHIMA 2.0: Development of an Integrated Superconducting Spectrometer for Science Grade Astronomical Observations
    A Taniguchi; T Bakx; J Baselmans; R Huiting; K Karatsu; N Llombart; M Rybak; T Takekoshi; Y Tamura; H Akamatsu; S Brackenhoff; J Bueno; B Buijtendorp; S Dabironezare; AK Doing; Y Fujii; K Fujita; M Gouwerok; S Hähnle; T Ishida; S Ishii; R Kawabe; T Kitayama; K Kohno; A Kouchi; J Maekawa; K Matsuda; V Murugesan; S Nakatsubo; T Oshima; A Pascual Laguna; D Thoen; P vd Werf; S Yates; A Endo;
    Journal of Low Temperature Physics,
    Volume 209, pp. 278-286, Nov. 2022. DOI: 10.1007/s10909-022-02888-5

  16. Detection of polarization neutral points in observations of the combined corona and sky during the 21 August 2017 total solar eclipse
    Frans Snik; Steven P. Bos; Stefanie A. Brackenhoff; David S. Doelman; Emiel H. Por; Felix Bettonvil; Michiel Rodenhuis; Dmitry Vorobiev; Laura M. Eshelman; Joseph A. Shaw;
    Appl. Opt.,
    Volume 59, pp. F71-F77, 2020. DOI: 10.1364/AO.391814

  17. TiEMPO: Open-Source Time-Dependent End-to-End Model for Simulating Ground-Based Submillimeter Astronomical Observations
    E. Huijten; Y. Roelvink; S.A. Brackenhoff; A. Taniguchi; T.J.L.C. Bakx; K.B. Marthi; S. Zaalberg; J.J.A. Baselmans; K.W. Chin; R. Huiting; K. Karatsu; Pascual Laguna, A. ; Y. Tamura; T. Takekoshi; S.J.C. Yates; M. van Hoven; A. Endo;
    In Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X,
    SPIE, International Society for Optics and Photonics, pp. 562 - 581, Dec. 13 2020. DOI: 10.1117/12.2561014

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