124 citations · 325 across the 7 of their papers we have counts for
7 papers
Gauging the dark matter fraction in a S0 galaxy at z=0.47 through gravitational lensing from deep HST/ACS imaging
G. Covone, M. Paolillo, N. R. Napolitano +9
We analyze a new gravitational lens, OAC-GL J1223-1239, serendipitously found in a deep I-band image of the Hubble Space Telescope (HST) Advanced Camera for Surveys (ACS). The lens…
Gravitational lensing by cosmic strings: what we learn from the CSL-1 case
M. V. Sazhin, O. S. Khovanskaya, M. Capaccioli +5
Cosmic strings were postulated by Kibble in 1976 and, from a theoretical point of view, their existence finds support in modern superstring theories, both in compactification model…
The true nature of CSL-1
M. V. Sazhin, M. Capaccioli, G. Longo +5
On January 12 2006, the Hubble Space Telescope observed the peculiar double extragalactic object CSL-1, suspected to be the result of gravitational lensing by a cosmic string. The…
Further spectroscopic observations of the CSL-1 object
M. Sazhin, M. Capaccioli, G. Longo +2
CSL-1 is a peculiar object (R.A._{2000}= 12h 23m 30.5"; Dec_{2000}= -12deg 38' 57.0") which, for its photometric and spectroscopic properties, is possibly the first case of gravita…
Separation of foreground and background signals in single frequency measurements of the CMB Polarization
M. V. Sazhin, G. Sironi, O. S. Khovanskaya
The polarization of the Cosmic Microwave Background (CMB)is a powerful observational tool at hand for modern cosmology. It allows to break the degeneracy of fundamental cosmologica…
CSL-1: a chance projection effect or serendipitous discovery of a gravitational lens induced by a cosmic string?
M. Sazhin, G. Longo, J. M. Alcala' +7
CSL-1 (Capodimonte--Sternberg--Lens Candidate, No.1) is an extragalactic double source detected in the OAC-DF (Osservatorio Astronomico di Capodimonte - Deep Field). It can be inte…
Black Hole Relics in String Gravity: Last Stages of Hawking Evaporation
S. Alexeyev, A. Barrau, G. Boudoul +2
One of the most intriguing problem of modern physics is the question of the endpoint of black hole evaporation. Based on Einstein-dilaton-Gauss-Bonnet four dimensional string gravi…