dr. R. Hesper
E-mail:
r.hesper rug.nl
Publications
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.
Research output: Contribution to journal › Article › Academic › peer-review
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.
Research output: Contribution to journal › Article › Academic › peer-review
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.
Research output: Contribution to journal › Article › Academic › peer-review
First Very Long Baseline Interferometry Detections at 870 μm
et al., 27-Aug-2024, In: The Astronomical Journal.
168, 3, 19
p., 130.
Research output: Contribution to journal › Article › Academic › peer-review
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.
Research output: Contribution to journal › Article › Academic › peer-review
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
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.
Research output: Contribution to journal › Article › Academic › peer-review
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.
Research output: Contribution to journal › Article › Academic › peer-review
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.
Research output: Contribution to journal › Article › Academic › peer-review
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.
Research output: Contribution to journal › Article › Academic › peer-review