ar X iv : a st ro - p h / 99 10 53 8 v 2 1 9 N ov 1 99 9 Polarization and beaming effect for BL Lacertae objects - II

ar X iv : a st ro - p h / 99 10 53 8 v 1 2 9 O ct 1 99 9 Polarization and beaming effect for BL Lacertae objects - II

Received ; accepted – 2 – ABSTRACT In this paper, based on the polarization-Doppler factor result (Fan et al. 1997, paper I), relations between the polarization and the variation (∆m), as well as the core-dominance (log R) are derived and used to analyse the observation data of a 37-BL Lacertae-object sample. These correlations are consistent with the statistical results, which suggest that the...

ar X iv : a st ro - p h / 99 11 43 8 v 1 2 3 N ov 1 99 9 H 2 molecules and cold clouds in cooling flow clusters †

ar X iv : a st ro - p h / 99 11 40 7 v 1 2 2 N ov 1 99 9 The First Five Minutes of a Core Collapse Super - nova : Multidimensional Hydrodynamic Models

ar X iv : a st ro - p h / 96 11 14 3 v 1 1 9 N ov 1 99 6 A high deuterium abundance in the early Universe

ar X iv : a st ro - p h / 99 11 49 7 v 1 2 9 N ov 1 99 9 Cosmic Microwave Background Anisotropies : Inflation versus Topological Defects

I present a briefly summary of the current status of inflationary models versus topological defects scenarios, as the mechanisms which could have induced the initial density perturbations, which left an imprint on the cosmic microwave backgound radiation anisotropies.