2001ApJ...559...96B

Query : 2001ApJ...559...96B

2001ApJ...559...96B - Astrophys. J., 559, 96-100 (2001/September-3)

Hard radio spectra from reconnection regions in galactic nuclei.

BIRK G.T., CRUSIUS-WATZEL A.R. and LESCH H.

Abstract (from CDS):

Extremely flat and inverted radio spectra as observed in galactic nuclei and BL Lac sources are still a challenge for fast-particle acceleration models. Continuous acceleration by electric fields in reconnection regions can result in almost-constant particle distributions and therefore in inverted synchrotron spectra independent of the details of the injected spectra. These spectra are calculated from a spatially averaged diffusion transport equation in momentum space that includes systematic momentum gains and losses as well as finite particle-escape lifetimes.

Abstract Copyright: ∼

Journal keyword(s): Acceleration of Particles - Galaxies: BL Lacertae Objects: General - Galaxies: Nuclei - Magnetohydrodynamics: MHD - Radio Continuum: Galaxies

Simbad objects: 6

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Number of rows : 6
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 M 77 Sy2 02 42 40.7091669408 -00 00 47.859690204 9.70 9.61 8.87 10.1 9.9 ~ 4897 2
2 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
3 Z 184-50 BLL 11 04 27.3140835504 +38 12 31.798495872   13.50 12.90 8.31   ~ 2841 1
4 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
5 NAME Sgr A* X 17 45 40.03599 -29 00 28.1699           ~ 4970 3
6 NGC 7427 G 22 57 09.9407987160 +08 30 20.441644416   15.5       ~ 21 0

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