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001     622810
005     20250202032104.0
024 7 _ |2 INSPIRETeX
|a MAGIC:2024sia
024 7 _ |2 inspire
|a inspire:2756468
024 7 _ |2 arXiv
|a arXiv:2402.04755
024 7 _ |a altmetric:159244302
|2 altmetric
037 _ _ |a PUBDB-2025-00491
041 _ _ |a English
082 _ _ |a 520
088 _ _ |2 arXiv
|a arXiv:2402.04755
100 1 _ |a Abe, S.
|b 0
245 _ _ |a Performance and first measurements of the MAGIC stellar intensity interferometer
260 _ _ |c 2024
336 7 _ |0 PUB:(DE-HGF)25
|2 PUB:(DE-HGF)
|a Preprint
|b preprint
|m preprint
|s 1738064282_2497522
336 7 _ |2 ORCID
|a WORKING_PAPER
336 7 _ |0 28
|2 EndNote
|a Electronic Article
336 7 _ |2 DRIVER
|a preprint
336 7 _ |2 BibTeX
|a ARTICLE
336 7 _ |2 DataCite
|a Output Types/Working Paper
500 _ _ |a 18 pages, 13 figures, submitted to MNRAS
520 _ _ |a In recent years, a new generation of optical intensity interferometers has emerged, leveraging the existing infrastructure of Imaging Atmospheric Cherenkov Telescopes (IACTs). The MAGIC telescopes host the MAGIC-SII system (Stellar Intensity Interferometer), implemented to investigate the feasibility and potential of this technique on IACTs. After the first successful measurements in 2019, the system was upgraded and now features a real-time, dead-time-free, 4-channel, GPU-based correlator. These hardware modifications allow seamless transitions between MAGIC’s standard very-high-energy gamma-ray observations and optical interferometry measurements within seconds. We establish the feasibility and potential of employing IACTs as competitive optical Intensity Interferometers with minimal hardware adjustments. The measurement of a total of 22 stellar diameters are reported, 9 corresponding to reference stars with previous comparable measurements, and 13 with no prior measurements. A prospective implementation involving telescopes from the forthcoming Cherenkov Telescope Array Observatory’s Northern hemisphere array, such as the first prototype of its Large-Sized Telescopes, LST-1, is technically viable. This integration would significantly enhance the sensitivity of the current system and broaden the UV-plane coverage. This advancement would enable the system to achieve competitive sensitivity with the current generation of long-baseline optical interferometers over blue wavelengths.
536 _ _ |0 G:(DE-HGF)POF4-613
|a 613 - Matter and Radiation from the Universe (POF4-613)
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|f POF IV
|x 0
536 _ _ |0 G:(EU-Grant)101076533
|a MicroStars - Extreme time and angular resolution in the optical with Cherenkov telescopes (101076533)
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588 _ _ |a Dataset connected to CrossRef, INSPIRE, Journals: bib-pubdb1.desy.de
650 _ 7 |2 autogen
|a instrumentation: high angular resolution
650 _ 7 |2 autogen
|a instrumentation: interferometers
650 _ 7 |2 autogen
|a stars: fundamental parameters
650 _ 7 |2 autogen
|a stars: imaging
693 _ _ |0 EXP:(DE-H253)MAGIC-20170101
|5 EXP:(DE-H253)MAGIC-20170101
|e Major Atmospheric Gamma Imaging Cherenkov
|x 0
700 1 _ |a Abhir, J.
|b 1
700 1 _ |a Acciari, V. A.
|b 2
700 1 _ |a Aguasca-Cabot, A.
|b 3
700 1 _ |a Agudo, I.
|b 4
700 1 _ |a Aniello, T.
|b 5
700 1 _ |a Ansoldi, S.
|b 6
700 1 _ |a Antonelli, L. A.
|b 7
700 1 _ |a Engels, A. Arbet
|b 8
700 1 _ |a Arcaro, C.
|b 9
700 1 _ |a Artero, M.
|b 10
700 1 _ |a Asano, K.
|b 11
700 1 _ |a Babić, A.
|b 12
700 1 _ |a Baquero, A.
|b 13
700 1 _ |a de Almeida, U. Barres
|b 14
700 1 _ |a Barrio, J. A.
|b 15
700 1 _ |a Batković, I.
|b 16
700 1 _ |a Bautista, A.
|b 17
700 1 _ |a Baxter, J.
|b 18
700 1 _ |a González, J. Becerra
|b 19
700 1 _ |a Bernardini, E.
|b 20
700 1 _ |a Bernardos, M.
|b 21
700 1 _ |a Bernete, J.
|b 22
700 1 _ |a Berti, A.
|b 23
700 1 _ |a Besenrieder, J.
|b 24
700 1 _ |a Bigongiari, C.
|b 25
700 1 _ |a Biland, A.
|b 26
700 1 _ |a Blanch, O.
|b 27
700 1 _ |a Bonnoli, G.
|b 28
700 1 _ |a Bošnjak, Ž.
|b 29
700 1 _ |a Burelli, I.
|b 30
700 1 _ |a Busetto, G.
|b 31
700 1 _ |a Campoy-Ordaz, A.
|b 32
700 1 _ |a Carosi, A.
|b 33
700 1 _ |a Carosi, R.
|b 34
700 1 _ |a Carretero-Castrillo, M.
|b 35
700 1 _ |a Ceribella, G.
|b 36
700 1 _ |a Chai, Y.
|b 37
700 1 _ |a Cifuentes, A.
|b 38
700 1 _ |a Colombo, E.
|b 39
700 1 _ |a Contreras, J. L.
|b 40
700 1 _ |a Cortina, J.
|b 41
700 1 _ |a Covino, S.
|b 42
700 1 _ |a D'Amico, G.
|b 43
700 1 _ |a D'Elia, V.
|b 44
700 1 _ |a Da Vela, P.
|b 45
700 1 _ |a Dazzi, F.
|b 46
700 1 _ |a De Angelis, A.
|b 47
700 1 _ |a De Lotto, B.
|b 48
700 1 _ |a de Menezes, R.
|b 49
700 1 _ |a Del Popolo, A.
|b 50
700 1 _ |a Delfino, M.
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700 1 _ |a Delgado, J.
|b 52
700 1 _ |a Mendez, C. Delgado
|b 53
700 1 _ |a Di Pierro, F.
|b 54
700 1 _ |a Di Venere, L.
|b 55
700 1 _ |a Dominis Prester, D.
|b 56
700 1 _ |a Donini, A.
|b 57
700 1 _ |a Dorner, D.
|b 58
700 1 _ |a Doro, M.
|b 59
700 1 _ |a Elsaesser, D.
|b 60
700 1 _ |a Emery, G.
|b 61
700 1 _ |a Escudero, J.
|b 62
700 1 _ |a na, L. Fari
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700 1 _ |a Fariña, L.
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700 1 _ |a Fattorini, A.
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700 1 _ |a Foffano, L.
|b 66
700 1 _ |a Font, L.
|b 67
700 1 _ |a Fröse, S.
|b 68
700 1 _ |a Fukami, S.
|b 69
700 1 _ |a Fukazawa, Y.
|b 70
700 1 _ |a López, R. J. García
|b 71
700 1 _ |a Garczarczyk, M.
|b 72
700 1 _ |a Gasparyan, S.
|b 73
700 1 _ |a Gaug, M.
|b 74
700 1 _ |a Paiva, J. G. Giesbrecht
|b 75
700 1 _ |a Giglietto, N.
|b 76
700 1 _ |a Giordano, F.
|b 77
700 1 _ |a Gliwny, P.
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700 1 _ |a Gradetzke, T.
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700 1 _ |a Grau, R.
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700 1 _ |a Green, D.
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700 1 _ |a Günther, P.
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700 1 _ |a Hadasch, D.
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700 1 _ |a Hahn, A.
|b 85
700 1 _ |a Hassan, T.
|b 86
700 1 _ |a Heckmann, L.
|b 87
700 1 _ |a Herrera, J.
|b 88
700 1 _ |a Hrupec, D.
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700 1 _ |a Hütten, M.
|b 90
700 1 _ |a Imazawa, R.
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700 1 _ |a Ishio, K.
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700 1 _ |a Martínez, I. Jiménez
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700 1 _ |a Jormanainen, J.
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700 1 _ |a Kayanoki, T.
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700 1 _ |a Kerszberg, D.
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700 1 _ |a Kluge, G. W.
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700 1 _ |a Kobayashi, Y.
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700 1 _ |a Kouch, P. M.
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700 1 _ |a Kubo, H.
|b 100
700 1 _ |a Kushida, J.
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700 1 _ |a Láinez, M.
|b 102
700 1 _ |a Lamastra, A.
|b 103
700 1 _ |a Leone, F.
|b 104
700 1 _ |a Lindfors, E.
|b 105
700 1 _ |a Linhoff, L.
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700 1 _ |a Lombardi, S.
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700 1 _ |a Longo, F.
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700 1 _ |a López-Coto, R.
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700 1 _ |a López-Moya, M.
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700 1 _ |a López-Oramas, A.
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700 1 _ |a Loporchio, S.
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700 1 _ |a Lorini, A.
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700 1 _ |a Fraga, B. Machado de Oliveira
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700 1 _ |a Mas-Aguilar, A.
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700 1 _ |a Miceli, D.
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700 1 _ |a Miener, T.
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700 1 _ |a Miranda, J. M.
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700 1 _ |a Mirzoyan, R.
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700 1 _ |a González, M. Molero
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700 1 _ |a Mondal, H. A.
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700 1 _ |a Moralejo, A.
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700 1 _ |a Morcuende, D.
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700 1 _ |a Nakamori, T.
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700 1 _ |a Nanci, C.
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700 1 _ |a Neustroev, V.
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700 1 _ |a Nickel, L.
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700 1 _ |a Nievas Rosillo, M.
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700 1 _ |a Nigro, C.
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700 1 _ |a Nikolić, L.
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700 1 _ |a Nilsson, K.
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700 1 _ |a Ekoume, T. Njoh
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700 1 _ |a Otero-Santos, J.
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700 1 _ |a Paiano, S.
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700 1 _ |a Palatiello, M.
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700 1 _ |a Paneque, D.
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700 1 _ |a Paoletti, R.
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700 1 _ |a Paredes, J. M.
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700 1 _ |a Peresano, M.
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700 1 _ |a Persic, M.
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700 1 _ |a Pihet, M.
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700 1 _ |a Podobnik, F.
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700 1 _ |a Prada Moroni, P. G.
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700 1 _ |a Prandini, E.
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700 1 _ |a Principe, G.
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700 1 _ |a Priyadarshi, C.
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700 1 _ |a Rhode, W.
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700 1 _ |a Ribó, M.
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700 1 _ |a Rico, J.
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700 1 _ |a Righi, C.
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700 1 _ |a Sahakyan, N.
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