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- P.N. Lebedev Physical Institute of the Russian Academy of SciencesRU428 papers
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33 papers · 1 filter
The Spectral Energy Distribution of Fermi bright blazars
A. A. Abdo, M. Ackermann, M. Ajello +107
(Abridged) We have conducted a detailed investigation of the broad-band spectral properties of the γ-ray selected blazars of the Fermi LAT Bright AGN Sample (LBAS). By combining ou…
Observational constraints on light cosmic strings from photometry and pulsar timing
M. S. Pshirkov, A. V. Tuntsov
We constrain the cosmological density of cosmic string loops using two observational signatures -- gravitational microlensing and the Kaiser-Stebbins effect. Photometry from RXTE a…
Stability of the Ellis-Bronnikov-Morris-Thorne Wormhole
D. I. Novikov, A. G. Doroshkevich, I. D. Novikov +1
The stability of one type of the static Ellis-Bronnikov-Morris-Thorne wormholes is considered. These wormholes filled with radial magnetic field and phantom dust with a negative en…
Relativistic beaming and gamma-ray brightness of blazars
T. Savolainen, D. C. Homan, T. Hovatta +5
We investigate the dependence of gamma-ray brightness of blazars on intrinsic properties of their parsec-scale radio jets and the implication for relativistic beaming. By combining…
Multiwavelength monitoring of the enigmatic Narrow-Line Seyfert 1 PMN J0948+0022 in March-July 2009
LAT Collaboration, E. Angelakis, C. Bailyn +39
Following the recent discovery of gamma rays from the radio-loud narrow-line Seyfert 1 galaxy PMN J0948+0022 (z=0.5846), we started a multiwavelength campaign from radio to gamma r…
Jet opening angles and gamma-ray brightness of AGN
A. B. Pushkarev, Y. Y. Kovalev, M. L. Lister +1
We have investigated the differences in apparent opening angles between the parsec-scale jets of the active galactic nuclei (AGN) detected by the Fermi Large Area Telescope (LAT) d…