2025-10-20
15:47 |
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2025-09-29
14:52 |
Constraints on the VHE counterpart of two binary black holes mergers observed by the MAGIC and CTAO LST-1 telescopes
/RE23/CTA-LST collaboration
We present very high-energy observations of two binary black holes merger candidates, S240615dg and S241125n, performed with the Major Atmospheric Gamma Imaging Cherenkov (MAGIC) and the first Large Sized Telescope of the Cherenkov Telescope Array Observatory's (CTAO LST-1) telescopes. S240615dg was the best localized event of the fourth observing run of the LIGO-Virgo-KAGRA gravitational waves interferometers. [...]
CERN-RE23-2025-009.-
Geneva : CERN, 2025
S240615dg___S241125n___draft_1: PDF; S240615dg___S241125n___draft_1_commJS: PDF;
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2025-09-29
12:47 |
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2025-09-17
13:01 |
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2025-07-08
11:49 |
VHE gamma-ray intranight variability from BL Lacertae during the extreme flaring state of 2022
/RE23/CTA-LST collaboration
Context: BL Lacertae (BL Lac), the archetypal blazar of its subclass and one of the most studied blazars in the last decades, has gone through a series of major multi-wavelength outbursts since 2020, resulting in its highest gamma-ray flare up to date between September and November 2022 together with those from August 2021 and October 2024. Aims: We characterise the gamma-ray and multi-wavelength emission and spectral energy distribution (SED) of BL Lac as well as their evolution during the major and extended gamma-ray and multi-wavelength flare occurring between September and November 2022. [...]
CERN-RE23-2025-006.-
Geneva : CERN, 2025
BLLac_2022_flare_7July2025: PDF; BLLac_2022_flare_16October2025: PDF; BLLac_2022_flare_22July2025_cds: PDF;
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2025-07-01
10:32 |
Extreme Blazars Observed with MAGIC: Second Catalog Release
/ Foffano, Luca (CERN)
/RE23/CTA-LST collaboration
Extremely high-peaked BL Lac objects - also named extreme blazars - are among the most energetic and persistent extragalactic accelerators in the Universe. These sources are defined by a synchrotron emission peaking above 1017 Hz (∼ 0.3 keV) in the X-ray band [...]
CERN-RE23-2025-005.-
Geneva : CERN, 2025
2nd_MAGIC_EHBL_catalog_phase3_prelim_linenumb: PDF; 2nd_MAGIC_EHBL_catalog_v0_internalreferees_v1: PDF;
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2025-06-26
12:27 |
Camera calibration of the first CTAO Larged-Size Telescope
/ Cassol, Franca (Centre National de la Recherche Scientifique (FR))
/RE23/CTA-LST collaboration
The Cherenkov Telescope Array Observatory (CTAO), a forthcoming very-high- energy gamma-ray facility, will use the Imaging Atmospheric Cherenkov Technique (IACT) to achieve unprecedented resolution from 20 GeV to 300 TeV. Large-Sized Telescopes (LSTs) are crucial for the low-energy range [...]
CERN-RE23-2025-004.-
Geneva : CERN, 2025
camera_calibration_paper_v01: PDF; camera_calibration_paper_v02: PDF; camera_calibration_paper_v02_md_review: PDF; camera_calibration_paper_v03: PDF; camera_calibration_paper_v04: PDF; camera_calibration_paper_v06: PDF;
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2025-03-13
15:50 |
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2025-02-27
09:50 |
VHE γ-ray observations of bright BL Lacs with the Large-Sized Telescope prototype
/RE23/CTA-LST collaboration
Context. Cherenkov Telescope Array Observatory (CTAO) is the next-generation ground-based γ-ray observatory operating in the energy range from 20 GeV up to 300 TeV, with two sites in La Palma (Spain) and Paranal (Chile). [...]
CERN-RE23-2025-002.-
Geneva : CERN, 2024
JournalReview_AGNZoo: PDF; LST1_AGN_Zoo_Paper_MNRAS_v6: PDF; LST1_AGN_Zoo_Paper_MNRAS_v8: PDF; LST1_AGN_Zoo_Paper_review_v0: PDF; LST1_AGN_Zoo_Paper_review_v1: PDF; LST1_AGN_Zoo_Paper_review_v2: PDF; LST1_AGN_Zoo_Paper_review_v2_authors: PDF; LST1_AGN_Zoo_Paper_review_v4: PDF;
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2025-01-30
11:53 |
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