activity
20162025
most citedGaia DR2 unravels incompleteness of nearby cluster population: New open clusters in the direction of Perseus

120 citations · 433 across the 21 of their papers we have counts for

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Showing astro-ph.HEShow all

7 papers · 1 filter

astro-ph.HE2025

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

L. Lisalda, E. Gau, H. Krawczynski +157

The blazar Markarian 501 (Mrk 501) was observed on three occasions over a 4-month period between 2022 March and 2022 July with the Imaging X-ray Polarimetry Explorer (IXPE). In thi…

astro-ph.HE2024★ 19 cited

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

S. Abe, J. Abhir, V. A. Acciari +260

We present the first multi-wavelength study of Mrk 501 including very-high-energy (VHE) gamma-ray observations simultaneous to X-ray polarization measurements from the Imaging X-ra…

astro-ph.HE2023

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

S. Abe, J. Abhir, V. A. Acciari +250

We perform the first broadband study of Mrk421 from radio to TeV gamma rays with simultaneous measurements of the X-ray polarization from IXPE. The data were collected within an ex…

astro-ph.HE2023

Extreme photometric and polarimetric variability of blazar S4 0954+65 at its maximum optical and -ray brightness levels

C. M. Raiteri, M. Villata, M. I. Carnerero +64

In 2022 the BL Lac object S4 0954+65 underwent a major variability phase, reaching its historical maximum brightness in the optical and -ray bands. We present optical photometri…

astro-ph.HE2021★ 19 cited

The Time-Dependent Distribution of Optical Polarization Angle Changes in Blazars

S. Kiehlmann, D. Blinov, I. Liodakis +17

At optical wavelengths, blazar Electric Vector Position Angle (EVPA) rotations linked with gamma-ray activity have been the subject of intense interest and systematic investigation…

astro-ph.HE2020★ 58 cited

RoboPol: AGN polarimetric monitoring data

D. Blinov, S. Kiehlmann, V. Pavlidou +29

We present uniformly reprocessed and re-calibrated data from the RoboPol programme of optopolarimetric monitoring of active galactic nuclei (AGN), covering observations between 201…

astro-ph.HE2018★ 8 cited

Search for AGN counterparts of unidentified Fermi-LAT sources with optical polarimetry: Demonstration of the technique

N. Mandarakas, D. Blinov, I. Liodakis +12

The third Fermi-LAT catalog (3FGL) presented the data of the first four years of observations from the Fermi Gamma-ray Space Telescope mission. There are 3034 sources, 1010 of whic…