143 citations · 863 across the 40 of their papers we have counts for
5 papers · 1 filter
MS 2053.7-0449: Confirmation of a bimodal mass distribution from strong gravitational lensing
T. Verdugo, J. A. de Diego, M. Limousin
We present the first strong lensing study of the mass distribution in the cluster MS 2053-04 based on HST archive data. This massive, X-ray luminous cluster has a redshift z=0.583,…
Nanodiamond dust and the far-ultraviolet quasar break
L. Binette, G. Magris C., Y. Krongold +5
We explore the possibility that the steepening observed shortward of 1000A in the energy distribution of quasars may result from absorption by dust, being either intrinsic to the q…
A natural mechanism to induce an electric charge into a black hole
José A. de Diego, Deborah Dultzin-Hacyan, Jesús Galindo Trejo +1
We present a natural mechanism which may induce an electric charge into an accretting black hole in the presence of a strong, high energy radiation field. We study this mechanism u…
The WEBT BL Lacertae Campaign 2001 and its extension
M. Villata, C. M. Raiteri
BL Lacertae has been the target of four observing campaigns by the Whole Earth Blazar Telescope (WEBT) collaboration. In this paper we present light curves obtained by the…
The nuclear starburst activity in the Seyfert 2 galaxy NGC 7679
Q. Gu, J. Huang, J. A. de Diego +3
We present our recent spectrophotometric results of the infrared luminous Seyfert 2 galaxy NGC 7679. We find compelling evidence of the presence of a recent nuclear starburst, reve…