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5 papers · 1 filter
Gravitational Lensing of Variability-slected QSO by Galaxy Clusters
L. L. Rodrigues-Williams, M. R. S. Hawkins
Distribution and properties of QSOs behind galaxy clusters in the UKJ287 field were studied. QSOs were selected using variability criteria and are confined to and $m_B…
An Adaptive Multigrid Solver for High-Resolution Cosmological Simulations
I. Suisalu, E. Saar
We have developed an adaptive multigrid code for solving the Poisson equation in gravitational simulations. Finer rectangular subgrids are adaptively created in locations where the…
Modelling the millimetre-infrared flaring behaviour of the quasar 1253-055 (3C 279)
S. J. Litchfield, J. A. Stevens, E. I. Robson +1
The infrared through millimetre light curve of 3C 279 is investigated for the period of 1986 until mid-1994, during which time several flares were observed. A quiescent spectrum (i…
Preliminary Results from the ESO Slice Project (ESP)
G. Vettolani, E. Zucca, A. Cappi +18
We present the first results of a galaxy redshift survey, ESO Slice Project (ESP), we are accomplishing as an ESO Key-Project over about 30 square degrees in a region near the Sout…
A Spherical Harmonic Analysis of Redshift Space
A. F. Heavens, A. N. Taylor
We re-examine the effects of redshift space distortion in all-sky galaxy redshift surveys in the formalism of spherical harmonics. Within this framework we show how one can treat b…