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  Intensity interferometry with the MAGIC telescopes

Delgado, C., Acciari, V., Colombo, E., Cortina, J., Diaz Ginzo, C., Fink, D., et al. (2022). Intensity interferometry with the MAGIC telescopes. Proceedings of Science, 395, 693.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000C-B489-E Version Permalink: https://hdl.handle.net/21.11116/0000-000C-B48A-D
Genre: Conference Paper

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 Creators:
Delgado, C.1, Author
Acciari, V.A.1, Author
Colombo, E.1, Author
Cortina, J.1, Author
Diaz Ginzo, C.1, Author
Fink, D.1, Author
et al.1, Author
Affiliations:
1Max Planck Institute for Physics, Max Planck Society and Cooperation Partners, ou_2253650              

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Free keywords: MAGIC
 Abstract: Due to their large mirror size, fast response to single photons, sensitivity and telescope baselines in the order of 100 m, Imaging Atmospheric Cherenkov Telescopes are ideally suited to perform intensity interferometry observations. In 2019 a test readout setup was installed in the two 17-m diameter MAGIC telescopes to allow performing interferometry measurements with them. The first on-sky measurements were able to detect correlated intensity fluctuations consistent with the stellar diameters of three different stars: Adhara (ϵ CMa), Benetnasch (η UMa) and Mirzam (β CMa). After the upgrade of the setup in 2021, MAGIC is now equipped with a high-duty-cycle intensity interferometer, already in operation. A technical description of the interferometer and first performance results obtained by measuring several known stellar diameter are presented.

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 Dates: 2022
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: Other: MPP-2021-326
URI: https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2021-326
DOI: 10.22323/1.395.0693
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Title: Proceedings of Science
  Abbreviation : PoS
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 395 Sequence Number: - Start / End Page: 693 Identifier: -

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Title: ICRC2021
Source Genre: Proceedings
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Publ. Info: -
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 693 Identifier: -