Articles by Sebastian Kiehlmann

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Sebastian Kiehlmann

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Insights from the first flaring activity of a high-synchrotron-peaked blazar with X-ray polarization and VHE gamma rays

1 September 2025 by Magic Collaboration and others

High Energy Astrophysical Phenomena

Insights into the broad-band emission of the TeV blazar Mrk 501 during the first X-ray polarization measurements

1 September 2025 by Shinichiro Abe and others

High Energy Astrophysical Phenomena

Wide Area Linear Optical Polarimeter Control Software

20 July 2025 by John Kypriotakis and others

Instrumentation and Methods for Astrophysics, Computational Physics

Zero-polarization candidate regions for calibration of wide-field optical polarimeters

15 July 2025 by Nikolaos Mandarakas and others

Solar and Stellar Astrophysics, Astrophysics of Galaxies

IXPE Observations of the Blazar Mrk 501 in 2022: A Multiwavelength View

9 July 2025 by Lindsey Lisalda and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

PKS 2131-021 -- Discovery of Strong Coherent Sinusoidal Variations from Radio to Optical Frequencies: Compelling Evidence for a Blazar Supermassive Black Hole Binary

11 April 2025 by Sebastian Kiehlmann and others

High Energy Astrophysical Phenomena

Atacama Cosmology Telescope: Observations of supermassive black hole binary candidates. Strong sinusoidal variations at 95, 147 and 225 GHz in PKS 2131-021 and PKS J0805-0111

5 April 2025 by Adam Hincks and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

Exploring Compact Symmetric Objects with Complex Morphologies

29 March 2025 by E. Sheldahl and others

Astrophysics of Galaxies, High Energy Astrophysical Phenomena

Very-high-energy gamma-ray detection and long-term multi-wavelength view of the flaring blazar B2 1811+31

24 March 2025 by Kenshi Abe and others

High Energy Astrophysical Phenomena

IXPE Observation of the Low-Synchrotron Peaked Blazar S4 0954+65 During An Optical-X-ray Flare

10 March 2025 by Pouya Kouch and others

High Energy Astrophysical Phenomena

Time-dependent modelling of short-term variability in the TeV-blazar VER J0521+211 during the major flare in 2020

20 December 2024 by Magic Collaboration and others

High Energy Astrophysical Phenomena

Spectral Energy Distribution Variability of the Blazar OJ 287 during 2009-2021

14 December 2024 by Wenwen Zuo and others

High Energy Astrophysical Phenomena

The WALOP-North Instrument I: Optical Design, Filter Design, Calibration

1 December 2024 by John Kypriotakis and others

Instrumentation and Methods for Astrophysics, Cosmology and Nongalactic Astrophysics

Multi-wavelength study of OT 081: broadband modelling of a transitional blazar

12 November 2024 by Magic Collaboration and others at

Technische Universität Dortmund, D-44221 Dortmund, Germany

High Energy Astrophysical Phenomena

A wiggling filamentary jet at the origin of the blazar multi-wavelength behaviour

29 October 2024 by C. Raiteri and others

High Energy Astrophysical Phenomena

A Two-Week IXPE Monitoring Campaign on Mrk 421

25 October 2024 by W. Peter Maksym and others at

Boston University

High Energy Astrophysical Phenomena

The Radio Spectra of High Luminosity Compact Symmetric Objects (CSO-2s): Implications for Studies of Compact Jetted Active Galactic Nuclei

23 August 2024 by P. V. De La Parra and others at

ASTRON

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

PKS~J0805-0111: A Second Owens Valley Radio Observatory Blazar Showing Highly Significant Sinusoidal Radio Variability -- The Tip of the Iceberg

5 August 2024 by P. V. De La Parra and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

Association of the IceCube neutrinos with blazars in the CGRaBS sample

9 July 2024 by Pouya Kouch and others

High Energy Astrophysical Phenomena

Systems design, assembly, integration and lab testing of WALOP-South Polarimeter

27 June 2024 by Siddharth Maharana and others

Instrumentation and Methods for Astrophysics

Testing particle acceleration in blazar jets with continuous high-cadence optical polarization observations

21 June 2024 by Ioannis Liodakis and others

High Energy Astrophysical Phenomena

A γ-Ray Emitting Blazar at Redshift 3.64: Fermi-LAT and OVRO Observations of PKS 0201+113

5 June 2024 by Hai Lei and others

High Energy Astrophysical Phenomena

The first degree-scale starlight-polarization-based tomography map of the magnetized interstellar medium

16 April 2024 by Vincent Pelgrims and others

Astrophysics of Galaxies, Instrumentation and Methods for Astrophysics

The variability patterns of the TeV blazar PG 1553+113 from a decade of MAGIC and multi-band observations

4 March 2024 by Magic Collaboration and others at

MAGIC Collaboration

High Energy Astrophysical Phenomena

Owens Valley Radio Observatory monitoring of LS I +61°303 completes three cycles of the super-orbital modulation

12 February 2024 by Frédéric Jaron and others at

Technische Universität Wien

High Energy Astrophysical Phenomena, Solar and Stellar Astrophysics

Detection of X-ray Polarization from the Blazar 1ES 1959+650 with the Imaging X-ray Polarimetry Explorer

9 January 2024 by Manel Errando and others

High Energy Astrophysical Phenomena

First characterization of the emission behavior of Mrk421 from radio to VHE gamma rays with simultaneous X-ray polarization measurements

17 December 2023 by Shinichiro Abe and others

High Energy Astrophysical Phenomena

Unprecedented extreme high-frequency radio variability in early-stage active galactic nuclei

4 December 2023 by Emilia Järvelä and others

Astrophysics of Galaxies

Compact Symmetric Objects -- III Evolution of the High-Luminosity Branch and a Possible Connection with Tidal Disruption Events

26 November 2023 by A. C. S. Readhead and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

Compact Symmetric Objects -- II Confirmation of a Distinct Population of High-Luminosity Jetted Active Galaxies

26 November 2023 by Sebastian Kiehlmann and others

High Energy Astrophysical Phenomena

Topics

High Energy Astrophysical Phenomena Astrophysics of Galaxies Cosmology and Nongalactic Astrophysics Instrumentation and Methods for Astrophysics Solar and Stellar Astrophysics General Relativity and Quantum Cosmology