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20022009
most citedTwo Stellar Components in the Halo of the Milky Way

635 citations

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80 papers · 1 filter

astro-ph200833 cited

The origin of abundance gradients in the Milky Way: the predictions of different models

E. Colavitti, G. Cescutti, F. Matteucci +1

We aim at studying the abundance gradients along the Galactic disk and their dependence upon several parameters: a threshold in the surface gas density regulating star formation, t…

astro-ph20082 cited

Probing the kinematics of early-type galaxy halos using planetary nebulae

L. Coccato, O. Gerhard, M. Arnaboldi +11

We present first results of a study of the halo kinematics for a sample of early type galaxies using planetary nebulae (PNe) as kinematical tracers. PNe allow to extend up to sever…

astro-ph200852 cited

TeV variability in blazars: how fast can it be?

G. Ghisellini, F. Tavecchio, G. Bodo +1

Recent Cerenkov observations of the two BL Lac objects PKS 2155-304 and Mkn 501 revealed TeV flux variability by a factor ~2 in just 3-5 minutes. Even accounting for the effects of…

astro-ph2008136 cited

Results of WEBT, VLBA and RXTE monitoring of 3C 279 during 2006-2007

V. M. Larionov, S. G. Jorstad, A. P. Marscher +2

We present radio-to-optical data taken by the WEBT, supplemented by VLBA and RXTE observations, of 3C 279. Our goal is to use this extensive database to draw inferences regarding t…

astro-ph200831 cited

Simulating the formation of a proto-cluster at z~2

A. Saro, S. Borgani, L. Tornatore +3

We present results from two high-resolution hydrodynamical simulations of proto-cluster regions at z~2.1. The simulations have been compared to observational results for the socall…

astro-ph200830 cited

Polarization of asteroid (387) Aquitania: the newest member of a class of large inversion angle asteroids

Joseph Masiero, Alberto Cellino

We present new imaging polarimetric observations of two Main Belt asteroids, (234) Barbara and (387) Aquitania, taken in the first half of 2008 using the Dual-Beam Imaging Polarime…