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Ronald Hesper

dr.

 https://orcid.org/0000-0003-1918-6098

  • Landleven12, Gebouw 5419, ruimte 0083

    9747 AD Groningen

    Netherlands

Search results

  • 2024

    A 16 GHz Bandwidth Cryogenic IF Amplifier with 4-K Noise Temperature for Sub-mm Radio-Astronomy Receivers

    Lopez-Fernandez, I., Gallego, J. D., Diez, C., Malo-Gomez, I., Amils, R. I., Fluckiger, R., Marti, D. & Hesper, R., May-2024, In: Ieee transactions on terahertz science and technology. 14, 3, p. 1-10 10 p.

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    3 Citations (Scopus)
    118 Downloads (Pure)

  • ALMA Band 9 upgrade: aA feasibility study

    Realini, S., Hesper, R., Barkhof, J. & Baryshev, A., 28-Mar-2024, mm Universe 2023 - Observing the Universe at mm Wavelengths. Mayet, F., Catalano, A., Macias-Perez, J. F. & Perotto, L. (eds.). EDP Sciences, 6 p. 00043. (EPJ Web of Conferences; vol. 293).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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  • Broadband multi-wavelength properties of M87 during the 2018 EHT campaign including a very high energy flaring episode

    H.E.S.S. Collaboration, The Event Horizon Telescope Collaboration, The Fermi Large Area Telescope Collaboration, MAGIC Collaboration, VERITAS Collaboration, EAVN Collaboration, Algaba, J. C., Baloković, M., Chandra, S., Cheong, W.-Y., Cui, Y.-Z., D'Ammando, F., Falcone, A. D., Aschersleben, J., Hesper, R. & Vecchi, M., Dec-2024, In: Astronomy & Astrophysics. 692, 44 p., A140.

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    4 Citations (Scopus)
    168 Downloads (Pure)

  • Development of Mixers for the High Resolution Spectrometer of the Millimetron Space Observatory

    Tretyakov, I. V., Khudchenko, A. V., Rudakov, K. I., Ivashentseva, I. V., Kaurova, N. S., Voronov, B. M., Kirsanova, M. S., Larchenkova, T. I., Goltsman, G. N., Baryshev, A. M., Hesper, R., Khan, F. V., Zhukova, E. S., Chekushkin, A. M., Melentev, A. V., Zhivetev, K. V., Terentiev, A. V., Koshelets, V. P. & Likhachev, S. F., 25-Nov-2024, In: Ieee transactions on terahertz science and technology. 15, 2, p. 191-199 9 p.

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  • First Sagittarius A* Event Horizon Telescope Results. VII. Polarization of the Ring

    The Event Horizon Telescope Collaboration, Akiyama, K., Alberdi, A., Alef, W., Algaba, J.-C., Anantua, R., Asada, K., Hesper, R., Hughes, D. H., Jeter, B., Johnson, M. D. & Issaoun, S., 27-Mar-2024, In: Astrophysical Journal Letters. 964, 2, 32 p., L24.

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    35 Citations (Scopus)
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  • First Sagittarius A∗ Event Horizon Telescope Results. VIII. Physical Interpretation of the Polarized Ring

    The Event Horizon Telescope Collaboration, Akiyama, K., Alberdi, A., Alef, W., Algaba, J. C., Anantua, R., Asada, K., Azulay, R., Bach, U., Baczko, A. K., Ball, D., Baloković, M., Bandyopadhyay, B., Barrett, J., Bauböck, M., Benson, B. A., Bintley, D., Blackburn, L., Blundell, R. & Bouman, K. L. & 31 others, Bower, G. C., Boyce, H., Bremer, M., Brinkerink, C. D., Brissenden, R., Britzen, S., Broderick, A. E., Broguiere, D., Bronzwaer, T., Bustamante, S., Byun, D. Y., Carlstrom, J. E., Ceccobello, C., Chael, A., Chan, C. K., Chang, D. O., Chatterjee, K., Chatterjee, S., Chen, M. T., Chen, Y., Cheng, X., Cho, I., Christian, P., Conroy, N. S., Hesper, R., Nagar, N. M., Sun, H., van Bemmel, I., Yu, W., Yuan, Y. F. & Zhang, S., 1-Apr-2024, In: Astrophysical Journal Letters. 964, 2, 37 p., L26.

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    39 Citations (Scopus)
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  • First Very Long Baseline Interferometry Detections at 870 μm

    et al., 27-Aug-2024, In: The Astronomical Journal. 168, 3, 19 p., 130.

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    7 Citations (Scopus)
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  • Ordered magnetic fields around the 3C 84 central black hole

    Paraschos, G. F., Kim, J.-Y., Wielgus, M., Röder, J., Krichbaum, T. P., Ros, E., Agudo, I., Myserlis, I., Moscibrodzka, M., Traianou, E. & Hesper, R., Feb-2024, In: Astronomy & Astrophysics. 682, 15 p., L3.

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    13 Citations (Scopus)
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  • The persistent shadow of the supermassive black hole of M87: I. Observations, calibration, imaging, and analysis

    The Event Horizon Telescope Collaboration, Akiyama, K., Alberdi, A., Alef, W., Algaba, J.-C., Anantua, R., Asada, K., Azulay, R. & Hesper, R., Jan-2024, In: Astronomy & Astrophysics. 681, 63 p., A79.

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    46 Citations (Scopus)
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  • The putative center in NGC 1052

    et al., Baczko, A. K., Kadler, M., Ros, E., Fromm, C. M., Wielgus, M., Perucho, M., Krichbaum, T. P. & Hesper, R., Dec-2024, In: Astronomy & Astrophysics. 692, 15 p., A205.

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    3 Citations (Scopus)
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  • VLBI Instrument for Millimetron Space Observatory

    Khudchenko, A., Turygin, S., Golubev, E., Rudakov, K. I., Smirnov, A., Cherny, R., Baryshev, A., Andrianov, A., Andrianov, M., Arkhipov, M., Ozolin, A., Kostenko, V., Vodzyanovsky, Y. O., Nazarov, G. P., Ivashentseva, I., Tretyakov, I. V., Koshelets, V. P., Larchenkova, T. I., Shchurov, M. A. & Syachina, T. & 5 others, Hesper, R., Lee, J. W., Jung, T., Rudnitskiy, A. & Likhachev, S. F., 2024, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XII. Zmuidzinas, J., Gao, J.-R. & Gao, J.-R. (eds.). SPIE, 131022A. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13102).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

  • 2023

    A Search for Pulsars around Sgr A* in the First Event Horizon Telescope Data Set

    Torne, P., Liu, K., Eatough, R. P., Wongphechauxsorn, J., Cordes, J. M., Desvignes, G., De Laurentis, M., Kramer, M., Ransom, S. M., Chatterjee, S., Wharton, R., Karuppusamy, R., Blackburn, L., Janssen, M., Chan, C. K., Crew, G. B., Matthews, L. D., Goddi, C., Rottmann, H. & Wagner, J. & 265 others, Sánchez, S., Ruiz, I., Abbate, F., Bower, G. C., Salamanca, J. J., Gómez-Ruiz, A. I., Herrera-Aguilar, A., Jiang, W., Lu, R. S., Pen, U. L., Raymond, A. W., Shao, L., Shen, Z., Paubert, G., Sanchez-Portal, M., Kramer, C., Castillo, M., Navarro, S., John, D., Schuster, K. F., Johnson, M. D., Rygl, K. L. J., Akiyama, K., Alberdi, A., Alef, W., Algaba, J. C., Anantua, R., Asada, K., Azulay, R., Bach, U., Baczko, A. K., Ball, D., Baloković, M., Barrett, J., Bauböck, M., Benson, B. A., Bintley, D., Blundell, R., Bouman, K. L., Boyce, H., Bremer, M., Brinkerink, C. D., Brissenden, R., Britzen, S., Broderick, A. E., Broguiere, D., Bronzwaer, T., Bustamante, S., Byun, D. Y., Carlstrom, J. E., Ceccobello, C., Chael, A., Chang, D. O., Chatterjee, K., Chen, M. T., Chen, Y., Cheng, X., Cho, I., Christian, P., Conroy, N. S., Conway, J. E., Crawford, T. M., Cruz-Osorio, A., Cui, Y., Dahale, R., Davelaar, J., Deane, R., Dempsey, J., Dexter, J., Dhruv, V., Doeleman, S. S., Dougal, S., Dzib, S. A., Falcke, H., Farah, J., Emami, R., Fish, V. L., Fomalont, E., Ford, H. A., Foschi, M., Fraga-Encinas, R., Freeman, W. T., Friberg, P., Fromm, C. M., Fuentes, A., Galison, P., Gammie, C. F., García, R., Gentaz, O., Georgiev, B., Gold, R., Gómez, J. L., Gu, M., Gurwell, M., Hada, K., Haggard, D., Haworth, K., Hecht, M. H., Hesper, R., Heumann, D., Ho, L. C., Ho, P., Honma, M., Huang, C. W. L., Huang, L., Hughes, D. H., Ikeda, S., Impellizzeri, C. M. V., Inoue, M., Issaoun, S., James, D. J., Jannuzi, B. T., Jeter, B., Jiménez-Rosales, A., Jorstad, S., Joshi, A. V., Jung, T., Karami, M., Kawashima, T., Keating, G. K., Kettenis, M., Kim, D. J., Kim, J. Y., Kim, J., Kim, J., Kino, M., Koay, J. Y., Kocherlakota, P., Kofuji, Y., Koyama, S., Krichbaum, T. P., Kuo, C. Y., Bella, N. L., Lauer, T. R., Lee, D., Lee, S. S., Leung, P. K., Levis, A., Li, Z., Lico, R., Lindahl, G., Lindqvist, M., Lisakov, M., Liu, J., Liuzzo, E., Lo, W. P., Lobanov, A. P., Loinard, L., Lonsdale, C. J., MacDonald, N. R., Mao, J., Marchili, N., Markoff, S., Marrone, D. P., Marscher, A. P., Martí-Vidal, I., Matsushita, S., Medeiros, L., Menten, K. M., Michalik, D., Mizuno, I., Mizuno, Y., Moran, J. M., Moriyama, K., Moscibrodzka, M., Müller, C., Müller, H., Mus, A., Musoke, G., Myserlis, I., Nadolski, A., Nagai, H., Nagar, N. M., Nakamura, M., Narayan, R., Narayanan, G., Natarajan, I., Nathanail, A., Neilsen, J., Neri, R., Ni, C., Noutsos, A., Nowak, M. A., Oh, J., Okino, H., Olivares, H., Ortiz-León, G. N., Oyama, T., Özel, F., Palumbo, D. C. M., Paraschos, G. F., Park, J., Parsons, H., Patel, N., Pesce, D. W., Piétu, V., Plambeck, R., PopStefanija, A., Porth, O., Pötzl, F. M., Preciado-López, J. A., Psaltis, D., Pu, H. Y., Prather, B., Ramakrishnan, V., Rao, R., Rawlings, M. G., Rezzolla, L., Ripperda, B., Ricarte, A., Roelofs, F., Rogers, A., Ros, E., Romero-Cañizales, C., Roshanineshat, A., Roy, A. L., Ruszczyk, C., Sánchez-Argüelles, D., Sasada, M., Satapathy, K., Savolainen, T., Schloerb, F. P., Schonfeld, J., Small, D., Sohn, B. W., SooHoo, J., Souccar, K., Sun, H., Tetarenko, A. J., Tiede, P., Tilanus, R. P. J., Titus, M., Toscano, T., Traianou, E., Trent, T., Trippe, S., Turk, M., van Bemmel, I., van Langevelde, H. J., van Rossum, D. R., Vos, J., Ward-Thompson, D., Wardle, J., Weintroub, J., Wex, N., Wielgus, M., Wiik, K., Witzel, G., Wondrak, M. F., Wong, G. N., Wu, Q., Yadlapalli, N., Yamaguchi, P., Yfantis, A., Yoon, D., Young, A., Young, K., Younsi, Z., Yu, W., Yuan, F., Yuan, Y. F., Zensus, J. A., Zhang, S., Zhao, G. Y. & Zhao, S. S., 1-Dec-2023, In: Astrophysical Journal. 959, 1, 27 p., 14.

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    5 Citations (Scopus)
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  • Comparison of Polarized Radiative Transfer Codes Used by the EHT Collaboration

    The Event Horizon Telescope Collaboration & Hesper, R., Jun-2023, In: Astrophysical Journal. 950, 1, 23 p., 35.

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    16 Citations (Scopus)
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  • Design and Analysis of a Waveguide Structure for 211–275 GHz 2SB SIS Mixer

    Khudchenko, A., Tretyakov, I., Koshelets, V. P., Hesper, R. & Baryshev, A. M., Nov-2023, In: Ieee transactions on terahertz science and technology. 13, 6, p. 645-653 9 p.

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    2 Citations (Scopus)
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  • First M87 Event Horizon Telescope Results. IX. Detection of Near-horizon Circular Polarization

    The Event Horizon Telescope Collaboration, Akiyama, K., Alberdi, A., Alef, W., Algaba, J.-C., Anantua, R., Asada, K., Azulay, R. & Hesper, R., Nov-2023, In: The Astrophysical Journal Letters. 957, 2, 42 p., L20.

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    33 Citations (Scopus)
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  • 2022

    A Universal Power-law Prescription for Variability from Synthetic Images of Black Hole Accretion Flows

    et al., Georgiev, B., Pesce, D. W., Broderick, A. E., Wong, G. N., Dhruv, V., Wielgus, M., Gammie, C. F. & Hesper, R., 10-May-2022, In: Astrophysical Journal Letters. 930, 2, 32 p., L20.

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    29 Citations (Scopus)
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  • Characterizing and Mitigating Intraday Variability: Reconstructing Source Structure in Accreting Black Holes with mm-VLBI

    et al., Broderick, A. E., Gold, R., Georgiev, B., Pesce, D. W., Tiede, P., Ni, C., Moriyama, K. & Hesper, R., 10-May-2022, In: Astrophysical Journal Letters. 930, 2, 30 p., L21.

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    28 Citations (Scopus)
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  • Dispersive Spectrometry at Terahertz Frequencies for Probing the Quality of NbTiN Superconducting Films

    Khudchenko, A., Lap, B. N. R., Rudakov, K. I., Hesper, R., Koshelets, V. P., Dmitriev, P. N., Chekushkin, A., Khan, F. V., Zhukova, E. S., Kadyrov, L. S., Gorshunov, B. P. & Baryshev, A. M., 1-Jun-2022, In: IEEE Transactions on Applied Superconductivity. 32, 4, 6 p.

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    4 Citations (Scopus)
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  • First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

    The Event Horizon Telescope Collaboration, Akiyama, K., Alberdi, A., Alef, W., Algaba, J. C., Anantua, R., Azulay, R., Asada, K., Bach, U., Hesper, R. & Reynolds, M., 12-May-2022, In: Astrophysical Journal Letters. 930, 2, 21 p., L12.

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    995 Citations (Scopus)
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  • First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibration

    The Event Horizon Telescope Collaboration, Akiyama, K., Alberdi, A., Alef, W., Algaba, J. C., Anantua, R., Asada, K., Azulay, R. & Hesper, R., 10-May-2022, In: Astrophysical Journal Letters. 930, 2, 31 p., L13.

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    212 Citations (Scopus)
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  • First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole

    The Event Horizon Telescope Collaboration, Akiyama, K., Alberdi, A., Alef, W., Algaba, J. C., Anantua, R., Asada, K., Azulay, R. & Hesper, R., 10-May-2022, In: Astrophysical Journal Letters. 930, 2, 64 p., L14.

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    252 Citations (Scopus)
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  • First Sagittarius A* Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass

    The Event Horizon Telescope Collaboration, Akiyama, K., Alberdi, A., Alef, W., Algaba, J. C., Anantua, R., Asada, K., Azulay, R. & Hesper, R., 10-May-2022, In: Astrophysical Journal Letters. 930, 2, 52 p., L15.

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    201 Citations (Scopus)
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  • First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole

    The Event Horizon Telescope Collaboration, Akiyama, K., Alberdi, A., Alef, W., Algaba, J. C., Anantua, R., Asada, K., Azulay, R. & Hesper, R., 10-May-2022, In: Astrophysical Journal Letters. 930, 2, 49 p., L16.

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    279 Citations (Scopus)
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  • First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric

    The Event Horizon Telescope Collaboration, Akiyama, K., Alberdi, A., Alef, W., Algaba, J. C., Anantua, R., Asada, K., Azulay, R. & Hesper, R., 10-May-2022, In: Astrophysical Journal Letters. 930, 2, 44 p., L17.

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    390 Citations (Scopus)
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  • Millimeter Light Curves of Sagittarius A* Observed during the 2017 Event Horizon Telescope Campaign

    The Event Horizon Telescope Collaboration, Wielgus, M., Marchili, N., Martí-Vidal, I., Keating, G. K., Ramakrishnan, V., Tiede, P., Fomalont, E. & Hesper, R., 10-May-2022, In: Astrophysical Journal Letters. 930, 2, 32 p., L19.

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    81 Citations (Scopus)
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  • Resolving the Inner Parsec of the Blazar J1924-2914 with the Event Horizon Telescope

    The Event Horizon Telescope Collaboration, 1-Aug-2022, In: The Astrophysical Journal. 934, 2, 21 p., 145.

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    37 Citations (Scopus)
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  • Selective Dynamical Imaging of Interferometric Data

    The Event Horizon Telescope Collaboration, Farah, J., Galison, P., Akiyama, K., Bouman, K. L., Bower, G. C., Chael, A., Fuentes, A. & Hesper, R., 10-May-2022, In: Astrophysical Journal Letters. 930, 2, 21 p., L18.

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    20 Citations (Scopus)
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  • The Variability of the Black Hole Image in M87 at the Dynamical Timescale

    et al., Satapathy, K., Psaltis, D., Özel, F., Medeiros, L., Dougall, S. T., Chan, C. K. & Hesper, R., 20-Jan-2022, In: Astrophysical Journal. 925, 1, 19 p., 13.

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    10 Citations (Scopus)
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  • 2021

    Broadband Multi-wavelength Properties of M87 during the 2017 Event Horizon Telescope Campaign

    EHT MWL Science Working Group, Algaba, J.-C., Anczarski, J., Asada, K., Baloković, M., Chandra, S., Cui, Y.-Z., Falcone, A. D. & Hesper, R., 2021, In: Astrophysical Journal Letters. 911, 1, 43 p.

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    80 Citations (Scopus)
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  • Characterization of superconducting NbTiN films using a dispersive Fourier transform spectrometer

    Lap, B. N. R., Khudchenko, A., Hesper, R., Rudakov, K. I., Dmitriev, P., Khan, F., Koshelets, V. P. & Baryshev, A. M., 11-Oct-2021, In: Applied Physics Letters. 119, 15, 6 p., 152601.

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    7 Citations (Scopus)
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  • Constraints on black-hole charges with the 2017 EHT observations of M87*

    EHT Collaboration, Kocherlakota, P., Rezzolla, L., Falcke, H., Fromm, C. M., Kramer, M., Mizuno, Y., Nathanail, A. & Hesper, R., 15-May-2021, In: Physical Review D. 103, 10, 18 p., 104047.

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    218 Citations (Scopus)
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  • Efficiency of the Image Band Suppression in Sideband Separating SIS Receivers for Radio Astronomy

    Khudchenko, A., Baryshev, A., Hesper, R., Filipenko, L., Rudakov, K. & Koshelets, V., 8-Jan-2021, Proceedings - 2020 7th All-Russian Microwave Conference, RMC 2020. Institute of Electrical and Electronics Engineers Inc., p. 19-20 2 p. 9312246. (Proceedings - 2020 7th All-Russian Microwave Conference, RMC 2020).

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    1 Citation (Scopus)
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  • Event Horizon Telescope observations of the jet launching and collimation in Centaurus A

    The Event Horizon Telescope Collaboration, Oct-2021, In: Nature Astronomy. 5, 10, p. 1017-1028 12 p.

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    112 Citations (Scopus)
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  • First M87 Event Horizon Telescope Results. VII. Polarization of the Ring

    The Event Horizon Telescope Collaboration, Akiyama, K., Algaba, J.-C., Alberdi, A., Alef, W., Anantua, R., Asada, K. & Hesper, R., 2021, In: Astrophysical Journal Letters. 910, 1, 48 p.

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    258 Citations (Scopus)
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  • First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon

    The Event Horizon Telescope Collaboration, Akiyama, K., Algaba, J.-C., Alberdi, A., Alef, W., Anantua, R., Asada, K., Azulay, R. & Hesper, R., 2021, In: Astrophysical Journal Letters. 910, 1

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    390 Citations (Scopus)
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  • Polarimetric Properties of Event Horizon Telescope Targets from ALMA

    Goddi, C., Martí-Vidal, I., Messias, H., Bower, G. C., Broderick, A. E., Dexter, J., Marrone, D. P. & Hesper, R., 2021, In: Astrophysical Journal Letters. 910, 1, 54 p.

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    80 Citations (Scopus)
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  • Superconducting Sub-THz Receivers for Space and Ground-Based Radio Astronomy

    Koshelets, V., Rudakov, K., Khudchenko, A., Filippenko, L., Hesper, R., Lepine, J., Shi, S. C. & Baryshev, A., 8-Nov-2021, In: Bulletin of the Lebedev Physics Institute. 48, 9, p. 287-291 5 p.

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    3 Citations (Scopus)
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  • The Polarized Image of a Synchrotron-emitting Ring of Gas Orbiting a Black Hole

    Narayan, R., Palumbo, D. C. M., Johnson, M. D., Gelles, Z., Himwich, E., Chang, D. O. & Hesper, R., 2021, In: The Astrophysical Journal. 912, 1, 26 p., 35.

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    60 Citations (Scopus)
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  • Thz range low-noise sis receivers for space and ground-based radio astronomy

    Rudakov, K. I., Khudchenko, A. V., Filippenko, L. V., Paramonov, M. E., Hesper, R., da Costa Lima, D. A. R., Baryshev, A. M. & Koshelets, V. P., 1-Nov-2021, In: Applied Sciences (Switzerland). 11, 21, 15 p., 10087.

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  • 2020

    APEX-SEPIA660 Early Science: gas at densities above 107 cm-3 towards OMC-1

    Hacar, A., Hogerheijde, M. R., Harsono, D., Portegies Zwart, S., De Breuck, C., Torstensson, K., Boland, W., Baryshev, A. M., Hesper, R., Barkhof, J., Adema, J., Bekema, M. E., Koops, A., Khudchenko, A. & Stark, R., Dec-2020, In: Astronomy & Astrophysics. 644, 8 p., A133.

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    8 Citations (Scopus)
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  • Event Horizon Telescope imaging of the archetypal blazar 3C 279 at an extreme 20 microarcsecond resolution

    Event Horizon Telescope Collaboration, Aug-2020, In: Astronomy & Astrophysics. 640, 21 p., A69.

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  • Gravitational Test beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole

    Psaltis, D., Medeiros, L., Christian, P., Özel, F., Akiyama, K., Alberdi, A., Alef, W., Asada, K., Azulay, R., Ball, D., Baloković, M., Barrett, J., Bintley, D., Blackburn, L., Boland, W., Bower, G. C., Bremer, M., Brinkerink, C. D., Brissenden, R. & Britzen, S. & 168 others, Broguiere, D., Bronzwaer, T., Byun, D.-Y., Carlstrom, J. E., Chael, A., Chan, C.-K., Chatterjee, S., Chatterjee, K., Chen, M.-T., Chen, Y., Cho, I., Conway, J. E., Cordes, J. M., Crew, G. B., Cui, Y., Davelaar, J., De Laurentis, M., Deane, R., Dempsey, J., Desvignes, G., Dexter, J., Eatough, R. P., Falcke, H., Fish, V. L., Fomalont, E., Fraga-Encinas, R., Friberg, P., Fromm, C. M., Gammie, C. F., García, R., Gentaz, O., Goddi, C., Gómez, J. L., Gu, M., Gurwell, M., Hada, K., Hesper, R., Ho, L. C., Ho, P., Honma, M., Huang, C.-W. L., Huang, L., Hughes, D. H., Inoue, M., Issaoun, S., James, D. J., Jannuzi, B. T., Janssen, M., Jiang, W., Jimenez-Rosales, A., Johnson, M. D., Jorstad, S., Jung, T., Karami, M., Karuppusamy, R., Kawashima, T., Keating, G. K., Kettenis, M., Kim, J.-Y., Kim, J., Kim, J., Kino, M., Koay, J. Y., Koch, P. M., Koyama, S., Kramer, M., Kramer, C., Krichbaum, T. P., Kuo, C.-Y., Lauer, T. R., Lee, S.-S., Li, Y.-R., Li, Z., Lindqvist, M., Lico, R., Liu, J., Liu, K., Liuzzo, E., Lo, W.-P., Lobanov, A. P., Lonsdale, C., Lu, R.-S., Mao, J., Markoff, S., Marrone, D. P., Marscher, A. P., Martí-Vidal, I., Matsushita, S., Mizuno, Y., Mizuno, I., Moran, J. M., Moriyama, K., Moscibrodzka, M., Müller, C., Musoke, G., Mus Mejías, A., Nagai, H., Nagar, N. M., Narayan, R., Narayanan, G., Natarajan, I., Neri, R., Noutsos, A., Okino, H., Olivares, H., Oyama, T., Palumbo, D. C. M., Park, J., Patel, N., Pen, U.-L., Piétu, V., Plambeck, R., PopStefanija, A., Prather, B., Preciado-López, J. A., Ramakrishnan, V., Rao, R., Rawlings, M. G., Raymond, A. W., Ripperda, B., Roelofs, F., Rogers, A., Ros, E., Rose, M., Roshanineshat, A., Rottmann, H., Roy, A. L., Ruszczyk, C., Ryan, B. R., Rygl, K. L. J., Sánchez, S., Sánchez-Arguelles, D., Sasada, M., Savolainen, T., Schloerb, F. P., Schuster, K.-F., Shao, L., Shen, Z., Small, D., Sohn, B. W., SooHoo, J., Tazaki, F., Tilanus, R. P. J., Titus, M., Torne, P., Trent, T., Traianou, E., Trippe, S., van Bemmel, I., van Langevelde, H. J., van Rossum, D. R., Wagner, J., Wardle, J., Ward-Thompson, D., Weintroub, J., Wex, N., Wharton, R., Wielgus, M., Wong, G. N., Wu, Q., Yoon, D., Young, A., Young, K., Younsi, Z., Yuan, F., Yuan, Y.-F., Zhao, S.-S. & EHT Collaboration, 1-Oct-2020, In: Physical Review Letters. 125, 14, 9 p., 141104.

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  • Monitoring the Morphology of M87* in 2009-2017 with the Event Horizon Telescope

    Wielgus, M., Akiyama, K., Blackburn, L., Chan, C.-K., Dexter, J., Doeleman, S. S., Fish, V. L., Issaoun, S., Johnson, M. D., Krichbaum, T. P., Lu, R.-S., Pesce, D. W., Wong, G. N., Bower, G. C., Broderick, A. E., Chael, A., Chatterjee, K., Gammie, C. F., Georgiev, B. & Hada, K. & 30 others, Loinard, L., Markoff, S., Marrone, D. P., Plambeck, R., Weintroub, J., Dexter, M., MacMahon, D. H. E., Wright, M., Alberdi, A., Alef, W., Asada, K., Azulay, R., Baczko, A.-K., Ball, D., Baloković, M., Barausse, E., Barrett, J., Bintley, D., Boland, W., Bouman, K. L., Bremer, M., Brinkerink, C. D., Brissenden, R., Britzen, S., Broguiere, D., Bronzwaer, T., Byun, D.-Y., Hesper, R., Nagar, N. M. & Bemmel, I. V., 1-Sept-2020, In: The Astrophysical Journal. 901, 1, p. 67

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  • Single-Layer Dichroic Filters for Multifrequency Receivers at THz Frequencies

    Montofre, D., Khudchenko, A., Mena, F. P., Hesper, R. & Baryshev, A. M., 1-Nov-2020, In: Ieee transactions on terahertz science and technology. 10, 6, p. 690-697 8 p.

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  • SYMBA: An end-to-end VLBI synthetic data generation pipeline. Simulating Event Horizon Telescope observations of M 87

    Roelofs, F., Janssen, M., Natarajan, I., Deane, R., Davelaar, J., Olivares, H., Porth, O., Paine, S. N., Bouman, K. L., Tilanus, R. P. J., van Bemmel, I. M., Falcke, H., Akiyama, K., Alberdi, A., Alef, W., Asada, K., Azulay, R., Baczko, A., Ball, D. & Baloković, M. & 189 others, Barrett, J., Bintley, D., Blackburn, L., Boland, W., Bower, G. C., Bremer, M., Brinkerink, C. D., Brissenden, R., Britzen, S., Broderick, A. E., Broguiere, D., Bronzwaer, T., Byun, D., Carlstrom, J. E., Chael, A., Chan, C., Chatterjee, S., Chatterjee, K., Chen, M., Chen, Y., Cho, I., Christian, P., Conway, J. E., Cordes, J. M., Crew, G. B., Cui, Y., De Laurentis, M., Dempsey, J., Desvignes, G., Dexter, J., Doeleman, S. S., Eatough, R. P., Fish, V. L., Fomalont, E., Fraga-Encinas, R., Friberg, P., Fromm, C. M., Gómez, J. L., Galison, P., Gammie, C. F., García, R., Gentaz, O., Georgiev, B., Goddi, C., Gold, R., Gu, M., Gurwell, M., Hada, K., Hecht, M. H., Hesper, R., Ho, L. C., Ho, P., Honma, M., Huang, C. L., Huang, L., Hughes, D. H., Ikeda, S., Inoue, M., Issaoun, S., James, D. J., Jannuzi, B. T., Jeter, B., Jiang, W., Johnson, M. D., Jorstad, S., Jung, T., Karami, M., Karuppusamy, R., Kawashima, T., Keating, G. K., Kettenis, M., Kim, J., Kim, J., Kim, J., Kino, M., Koay, J. Y., Koch, P. M., Koyama, S., Kramer, M., Kramer, C., Krichbaum, T. P., Kuo, C., Lauer, T. R., Lee, S., Li, Y., Li, Z., Lindqvist, M., Lico, R., Liu, K., Liuzzo, E., Lo, W., Lobanov, A. P., Loinard, L., Lonsdale, C., Lu, R., MacDonald, N. R., Mao, J., Markoff, S., Marrone, D. P., Marscher, A. P., Martí-Vidal, I., Matsushita, S., Matthews, L. D., Medeiros, L., Menten, K. M., Mizuno, Y., Mizuno, I., Moran, J. M., Moriyama, K., Moscibrodzka, M., Müller, C., Nagai, H., Nagar, N. M., Nakamura, M., Narayan, R., Narayanan, G., Neri, R., Ni, C., Noutsos, A., Okino, H., Olivares, H., Ortiz-León, G. N., Oyama, T., Özel, F., Palumbo, D. C. M., Patel, N., Pen, U., Pesce, D. W., Piétu, V., Plambeck, R., PopStefanija, A., Prather, B., Preciado-López, J. A., Psaltis, D., Pu, H., Ramakrishnan, V., Rao, R., Rawlings, M. G., Raymond, A. W., Rezzolla, L., Ripperda, B., Rogers, A., Ros, E., Rose, M., Roshanineshat, A., Rottmann, H., Roy, A. L., Ruszczyk, C., Ryan, B. R., Rygl, K. L. J., Sánchez, S., Sánchez-Arguelles, D., Sasada, M., Savolainen, T., Schloerb, F. P., Schuster, K., Shao, L., Shen, Z., Small, D., Won Sohn, B., SooHoo, J., Tazaki, F., Tiede, P., Titus, M., Toma, K., Torne, P., Traianou, E., Trent, T., Trippe, S., Tsuda, S., van Langevelde, H. J., van Rossum, D. R., Wagner, J., Wardle, J., Weintroub, J., Wex, N., Wharton, R., Wielgus, M., Wong, G. N., Wu, Q., Young, A., Young, K., Younsi, Z., Yuan, F., Yuan, Y., Zensus, J. A., Zhao, G., Zhao, S. & Zhu, Z., Apr-2020, In: Astronomy & Astrophysics. 636, 19 p., A5.

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  • The Influence of LO Power Heating of the Tunnel Junction on the Performance of THz SIS Mixers

    Traini, A., Tan, B.-K., Garrett, J. D., Khudchenko, A., Hesper, R., Baryshev, A. M., Dmitriev, P. N., Koshelets, V. P. & Yassin, G., 1-Nov-2020, In: Ieee transactions on terahertz science and technology. 10, 6, p. 721-730 10 p.

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  • THEMIS: A Parameter Estimation Framework for the Event Horizon Telescope

    Broderick, A. E., Gold, R., Karami, M., Preciado-López, J. A., Tiede, P., Pu, H.-Y., Akiyama, K., Alberdi, A., Alef, W., Asada, K., Azulay, R., Baczko, A.-K., Baloković, M., Barrett, J., Bintley, D., Blackburn, L., Boland, W., Bouman, K. L., Bower, G. C. & Bremer, M. & 174 others, Brinkerink, C. D., Brissenden, R., Britzen, S., Broguiere, D., Bronzwaer, T., Byun, D.-Y., Carlstrom, J. E., Chael, A., Chatterjee, S., Chatterjee, K., Chen, M.-T., Chen, Y., Cho, I., Conway, J. E., Cordes, J. M., Crew, G. B., Cui, Y., Davelaar, J., De Laurentis, M., Deane, R., Dempsey, J., Desvignes, G., Doeleman, S. S., Eatough, R. P., Falcke, H., Fish, V. L., Fomalont, E., Fraga-Encinas, R., Friberg, P., Fromm, C. M., Galison, P., Gammie, C. F., García, R., Gentaz, O., Georgiev, B., Goddi, C., Gómez, J. L., Gu, M., Gurwell, M., Hada, K., Hecht, M. H., Hesper, R., Ho, L. C., Ho, P., Honma, M., Huang, C.-W. L., Huang, L., Hughes, D. H., Inoue, M., Issaoun, S., James, D. J., Janssen, M., Jeter, B., Jiang, W., Jiménez-Rosales, A., Johnson, M. D., Jorstad, S., Jung, T., Karuppusamy, R., Kawashima, T., Keating, G. K., Kettenis, M., Kim, J.-Y., Kim, J., Kino, M., Koay, J. Y., Koch, P. M., Koyama, S., Kramer, M., Kramer, C., Krichbaum, T. P., Kuo, C.-Y., Lee, S.-S., Li, Y.-R., Li, Z., Lindqvist, M., Lico, R., Liu, K., Liuzzo, E., Lo, W.-P., Lobanov, A. P., Loinard, L., Lonsdale, C., Lu, R.-S., MacDonald, N. R., Mao, J., Marscher, A. P., Martí-Vidal, I., Matsushita, S., Matthews, L. D., Menten, K. M., Mizuno, Y., Mizuno, I., Moran, J. M., Moriyama, K., Moscibrodzka, M., Müller, C., Nagai, H., Nagar, N. M., Nakamura, M., Narayan, R., Narayanan, G., Natarajan, I., Neri, R., Ni, C., Noutsos, A., Okino, H., Olivares, H., Ortiz-León, G. N., Oyama, T., Palumbo, D. C. M., Park, J., Pen, U.-L., Pesce, D. W., Piétu, V., Plambeck, R., PopStefanija, A., Porth, O., Prather, B., Ramakrishnan, V., Rao, R., Rawlings, M. G., Raymond, A. W., Rezzolla, L., Ripperda, B., Roelofs, F., Rogers, A., Ros, E., Rose, M., Rottmann, H., Ruszczyk, C., Ryan, B. R., Rygl, K. L. J., Sánchez, S., Sánchez-Arguelles, D., Sasada, M., Savolainen, T., Schloerb, F. P., Schuster, K.-F., Shao, L., Shen, Z., Small, D., Sohn, B. W., SooHoo, J., Tazaki, F., Tilanus, R. P. J., Titus, M., Toma, K., Torne, P., Traianou, E., Trippe, S., Tsuda, S., van Bemmel, I., van Langevelde, H. J., van Rossum, D. R., Wagner, J., Wardle, J., Weintroub, J., Wex, N., Wharton, R., Wielgus, M., Wong, G. N., Wu, Q., Yoon, D., Young, A., Young, K., Younsi, Z., Yuan, F., Yuan, Y.-F., Zensus, J. A., Zhao, G., Zhao, S.-S., Zhu, Z. & Event Horizon Telescope Collaboration, 1-Jul-2020, In: The Astrophysical Journal. 897, 2, 139.

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  • Verification of Radiative Transfer Schemes for the EHT

    et al. & Eatough, R. P., 1-Jul-2020, In: The Astrophysical Journal. 897, 2, p. 1-21 20 p., 148.

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  • 2019

    Advanced tuning algorithms for high-frequency SIS mixers

    Hesper, R., Barkhof, J., Vos, T. & Baryshev, A., 1-Jun-2019.

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  • Design and Performance of a Sideband Separating SIS Mixer for 800-950 GHz

    Khudchenko, A., Hesper, R., Baryshev, A. M., Barkhof, J., Rudakov, K., Montofre, D., Nguyen, D. V., Koshelets, V. P., Dmitriev, P. N., Fominsky, M., Heiter, C., Heyminck, S., Guesten, R. & Klein, B., Nov-2019, In: Ieee transactions on terahertz science and technology. 9, 6, p. 532-539 8 p.

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    18 Citations (Scopus)
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