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12 papers · 1 filter
Effects of Interaction Induced Activities in Hickson Compact Groups: CO and FIR Study
L. Verdes-Montenegro, M. S. Yun, J. Perea +2
A study of CO and FIR emission in a distance limited (z<0.03) complete sample of Hickson Compact Group (HCG) galaxies was conducted in order to examine the effects of their unique…
Jet-cloud interations and the brightening of the narrow line region in Seyfert galaxies
W. Steffen, J. L. Gomez, A. C. Raga +1
We study the kinematical and brightness evolution of emission line clouds in the narrow line region (NLR) of Seyfert galaxies during the passage of a jet. We derive a critical dens…
VLBI Observations of a Complete Sample of Radio Galaxies: VIII - Proper Motion in 3C338
G. Giovannini, W. D. Cotton, L. Feretti +2
We present new VLA, MERLIN and VLBI images for the radio galaxy 3C 338, and the results of the monitoring of its arcsecond core flux density. Present high sensitivity observations…
Deceleration in the Expansion of SN1993J
J. M. Marcaide, A. Alberdi, E. Ros +13
A rarity among supernova, SN 1993J in M81 can be studied with high spatial resolution. Its radio power and distance permit VLBI observations to monitor the expansion of its angular…
The dynamical status of Stephan's Quintet
M. Moles, J. W. Sulentic, I. Márquez
Multiwavelength data for Stephan's Quintet (SQ) are consistent with the following model for this compact galaxy group. (1) Discordant redshift NGC 7320 is an unrelated foreground g…
Modular Invariance on the Torus and Abelian Chern-Simons Theory
J. Guerrero, M. Calixto, V. Aldaya
The implementation of modular invariance on the torus as a phase space at the quantum level is discussed in a group-theoretical framework. Unlike the classical case, at the quantum…