2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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137 papers · 1 filter
Jet collimation in NGC 315 and other nearby AGN
B. Boccardi, M. Perucho, C. Casadio +14
Aims. The collimation of relativistic jets in galaxies is a poorly understood process. Detailed radio studies of the jet collimation region have been performed so far in few indivi…
Dynamical heterogeneities in non-entangled polystyrene and poly(ethylene oxide) star melts
Petra Bačová, Eirini Gkolfi, Laurence G. D. Hawke +1
Star polymers can exhibit a heterogeneous dynamical behavior due to their internal structure. In this work we employ atomistic molecular dynamics simulations to study translational…
VHE gamma-ray detection of FSRQ QSO B1420+326 and modeling of its enhanced broadband state in 2020
V. A. Acciari, S. Ansoldi, L. A. Antonelli +230
Context. QSO B1420+326 is a blazar classified as a Flat Spectrum Radio Quasar (FSRQ). In the beginning of 2020 it underwent an enhanced flux state. An extensive multiwavelength cam…
Observation of a sudden cessation of a very-high-energy gamma-ray flare in PKS 1510-089 with H.E.S.S. and MAGIC in May 2016
H. E. S. S. Collaboration, H. Abdalla, R. Adam +430
The flat spectrum radio quasar (FSRQ) PKS 1510-089 is known for its complex multiwavelength behavior, and is one of only a few FSRQs detected at very high energy (VHE, GeV…
Evolved Massive Stars at Low-metallicity III. A Source Catalog for the Large Magellanic Cloud
Ming Yang, Alceste Z. Bonanos, Biwei Jiang +9
We present a clean, magnitude-limited (IRAC1 or WISE115.0 mag) multiwavelength source catalog for the LMC. The catalog was built upon crossmatching () and deblending ($3…
The 2017 May 20 stellar occultation by the elongated centaur (95626) 2002 GZ
P. Santos-Sanz, J. L. Ortiz, B. Sicardy +56
We predicted a stellar occultation of the bright star Gaia DR1 4332852996360346368 (UCAC4 385-75921) (m= 14.0 mag) by the centaur 2002 GZ for 2017 May 20$^{\rm th}…
Inference of Stochastic Dynamical Systems from Cross-Sectional Population Data
Anastasios Tsourtis, Yannis Pantazis, Ioannis Tsamardinos
Inferring the driving equations of a dynamical system from population or time-course data is important in several scientific fields such as biochemistry, epidemiology, financial ma…
Gaia pulsars and where to find them in EDR3
John Antoniadis
The Early Gaia Data Release 3 (EDR3) provides precise astrometry for nearly 1.5 billion sources across the entire sky. A few tens of these are associated with neutron stars in the…
First detection of orbital motion for HD 106906 b: A wide-separation exoplanet on a Planet Nine-like orbit
Meiji M. Nguyen, Robert J. De Rosa, Paul Kalas
HD 106906 is a 15 Myr old short-period (49 days) spectroscopic binary that hosts a wide-separation (737 au) planetary-mass () common proper motion companion, H…
Dispersion behavior of two dimensional monochalcogenides
Abdus Salam Sarkar, Emmanuel Stratakis
Solution processable two-dimensional (2D) materials have provided an ideal platform for both fundamental studies and wearable electronic applications. Apart from graphene and 2D di…
The role of core-collapse physics in the observability of black-hole neutron-star mergers as multi-messenger sources
Jaime Román-Garza, Simone S. Bavera, Tassos Fragos +10
Recent detailed 1D core-collapse simulations have brought new insights on the final fate of massive stars, which are in contrast to commonly used parametric prescriptions. In this…
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…
A low [CII]/[NII] ratio in the center of a massive galaxy at z=3.7: witnessing the transition to quiescence at high-redshift?
C. Schreiber, K. Glazebrook, C. Papovich +11
Understanding the process of quenching is one of the major open questions in galaxy evolution, and crucial insights may be obtained by studying quenched galaxies at high redshifts,…
Detecting ultra-low ozone and hydrogen concentrations with CsPbBr microcrystals direct grown on electrodes
Aikaterini Argyrou, Konstantinos Brintakis, Athanasia Kostopoulou +5
Highly stable ozone and hydrogen sensing elements were fabricated based on well-crystalline rounded cube-shaped CsPbBr submicron crystals, synthesized by a facile solution proc…
Laser engineering of biomimetic surfaces
E. Stratakis, J. Bonse, J. Heitz +12
The exciting properties of micro- and nano-patterned surfaces found in natural species hide a virtually endless potential of technological ideas, opening new opportunities for inno…
Discovery of two Einstein crosses from massive post--blue nugget galaxies at z>1 in KiDS
N. R. Napolitano, R. Li, C. Spiniello +18
We report the discovery of two Einstein Crosses (ECs) in the footprint of the Kilo-Degree Survey (KiDS): KIDS J232940-340922 and KIDS J122456+005048. Using integral field spectrosc…
The Metallicity Dependence of the High-Mass X-ray Binary Luminosity Function
Bret D. Lehmer, Rafael T. Eufrasio, Antara Basu-Zych +7
We present detailed constraints on the metallicity dependence of the high mass X-ray binary (HMXB) X-ray luminosity function (XLF). We analyze ~5 Ms of Chandra data for 55 actively…
UV/optical disk thermal reverberation in AGN: an in-depth study with an analytic prescription for the time-lag spectra
E. S. Kammoun, M. Dovciak, I. E. Papadakis +2
Several active galactic nuclei show correlated variations in the ultraviolet/optical range, with time delays increasing at longer wavelengths. Thermal reprocessing of the X-rays il…
Gaia pulsars and where to find them
John Antoniadis
While the majority of massive stars have a stellar companion, most pulsars appear to be isolated. Taken at face value, this suggests that most massive binaries break apart due to s…
Workload Characterization of Programmable Metasurfaces
Taqwa Saeed, Sergi Abadal, Christos Liaskos +5
Metasurfaces are envisaged to play a key role in next-generation wireless systems due to their powerful control over electromagnetic waves. The last decade has witnessed huge advan…
Analysis of Twitter and YouTube during USelections 2020
Alexander Shevtsov, Maria Oikonomidou, Despoina Antonakaki +2
The presidential elections in the United States on 3 November 2020 have caused extensive discussions on social media. A part of the content on US elections is organic, coming from…
Nanoantennas Design for THz Communication: Material Selection and Performance Enhancement
Sasmita Dash, Christos Liaskos, Ian F. Akyildiz +1
In the development of terahertz (THz) communication systems, the nanoantenna is the most significant component. Especially, the focus is to design highly directive antennas, becaus…
Toward Fault-Tolerant Deadlock-Free Routing in HyperSurface-Embedded Controller Networks
Taqwa Saeed, Vassos Soteriou, Christos Liaskos +2
HyperSurfaces (HSFs) consist of structurally reconfigurable metasurfaces whose electromagnetic properties can be changed via a software interface, using an embedded miniaturized ne…
Quantum path interferences in high-order harmonic generation from aligned diatomic molecules
S. Chatziathanasiou, I. Liontos, E. Skantzakis +8
Electron quantum path interferences in strongly laser-driven aligned molecules and their dependence on the molecular alignment is an essential open problem in strong-field molecula…