10.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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19 papers · 2 filters
Accretion Flow Morphology in Numerical Simulations of Black Holes from the ngEHT Model Library: The Impact of Radiation Physics
Koushik Chatterjee, Andrew Chael, Paul Tiede +18
In the past few years, the Event Horizon Telescope (EHT) has provided the first-ever event horizon-scale images of the supermassive black holes (BHs) (M87*) and Sagittarius A (…
Influence of extragalactic magnetic fields on extragalactic cascade gamma-ray emission
Anna Uryson
We discuss the influence of extragalactic magnetic fields on the intensity of gamma-ray emission produced in electromagnetic cascades from ultra-high energy cosmic rays propagating…
How Spatially Resolved Polarimetry Informs Black Hole Accretion Flow Models
Angelo Ricarte, Michael D. Johnson, Yuri Y. Kovalev +2
The Event Horizon Telescope (EHT) Collaboration has successfully produced images of two supermassive black holes, enabling novel tests of black holes and their accretion flows on h…
Growing evidence for high-energy neutrinos originating in radio blazars
A. V. Plavin, Y. Y. Kovalev, Y. A. Kovalev +1
Evidence for bright radio blazars being high-energy neutrino sources was found in recent years. However, specifics of how and where these particles get produced still need to be de…
Time variability of the core-shift effect in the blazar 3C 454.3
Wara Chamani, Tuomas Savolainen, Eduardo Ros +5
Using VLBI to measure a so-called core shift effect is a common way of obtaining estimates of the jet magnetic field strength. The VLBI core is typically identified as the bright f…
Gamma-ray flares from pulsar wind nebulae in the Large Magellanic Cloud
B. A. Nizamov, M. S. Pshirkov
High-energy radiation of young pulsar wind nebulae (PWNe) is known to be variable. This is most prominently exemplified by the Crab nebula which can undergo both rapid brightenings…
Pulsar death line revisited -- II. 'The death valley'
V. S. Beskin, A. Yu. Istomin
In this paper, which is the second in a series of papers, we analyse what parameters can determine the width of the radio pulsar 'death valley' in the - diagram. Using…
Peculiarities of radio emission from new pulsars at 111 MHz
Daria Teplykh, Valery Malofeev, Oleg Malov +1
The analysis of radio emission of three new pulsars discovered at the Pushchino Radio Astronomy Observatory is presented. The detailed observations were carried out at a frequency…
Unravelling the Innermost Jet Structure of OJ 287 with the First GMVA+ALMA Observations
Guang-Yao Zhao, Jose L. Gomez, Antonio Fuentes +33
We present the first very-long-baseline interferometric (VLBI) observations of the blazar OJ287 carried out jointly with the Global Millimeter VLBI Array (GMVA) and the phased Atac…
Search for periodic radio emission of gamma pulsar J0357+3205
S. A. Tyul'bashev, M. A. Kitaeva
The search for radio emission from the gamma pulsar J0357+3205 in the meter wavelength range was carried out. Periodic emission was found in one of the 1,700 observation sessions.…
On the high-energy protons regular acceleration in the Fermi Bubbles
Istomin Ya. N., Gunya A. A
We propose the model of the global structure of the electromagnetic fields in the Fermi bubbles (FBs), which makes possible the proton regular acceleration up to ultra-high energie…
Pushchino multibeam pulsar search: I. Targeted search of weak pulsars
S. A. Tyul'bashev, M. A. Kitaeva, G. E. Tyul'basheva
The search for pulsars in a sample of pulsar candidates found based on a multi-year survey conducted with low (6 channels; sampling 0.1s) time-frequency resolution on declinations…
Direction of Parsec-Scales Jets for 9220 Active Galactic Nuclei
A. V. Plavin, Y. Y. Kovalev, A. B. Pushkarev
The direction of parsec-scale jets in active galactic nuclei (AGNs) is essential information for many astrophysical and astrometric studies, including linear polarization and magne…
Pushchino multibeam pulsar search -- II. Long-term variability of RRATs
T. V. Smirnova, S. A. Tyul'bashev, E. A. Brylyakova +5
Pulses from 16 previously known rotating radio transients (RRAT) have been searched at the 110 MHz daily monitor program for 4 to 5.5 years by using the Large-Phased-Array (LPA) at…
Investigation of four rotating radio transients properties at 111 MHz
S. A. Tyul'bashev, T. V. Smirnova, E. A. Brylyakova +1
The analysis of individual pulses of four rotating radio transients (RRATs), previously discovered in a monitoring survey running for 5.5 years at the frequency of 111 MHz, is pres…
New Features of the Pulsar B0950+08 Radiation at the Frequency of 111MHz
V. M. Malofeev, I. F. Malov, O. I. Malov +1
Results of long time observations of the pulsar B0950+08 are given. These observations were carried out at the LPA radio telescope at the frequency of 111 MHz from January of 2016…
Pulsar death line revisited -- I. Almost vacuum gap
V. S. Beskin, P. E. Litvinov
In this paper, which is the first in a series of papers devoted to a detailed analysis of the death line of radio pulsars, we consider a possibility of producing secondary particle…
Probing into emission mechanisms of GRB 190530A using time-resolved spectra and polarization studies: Synchrotron Origin?
Rahul Gupta, S. Gupta, T. Chattopadhyay +47
Multi-pulsed GRB 190530A, detected by the GBM and LAT onboard \fermi, is the sixth most fluent GBM burst detected so far. This paper presents the timing, spectral, and polarimetric…
Helium fluxes measured by the PAMELA experiment from the minimum to the maximum solar activity for solar cycle 24
N. Marcelli, M. Boezio, A. Lenni +53
Time-dependent energy spectra of galactic cosmic rays (GCRs) carry fundamental information regarding their origin and propagation. When observed at the Earth, these spectra are sig…