92 citations · 818 across the 42 of their papers we have counts for
6 papers · 1 filter
A Highly Magnified Gravitationally Lensed Red QSO at z = 2.5 with a Significant Flux Ratio Anomaly
Eilat Glikman, Cristian E. Rusu, Geoff C. -F. Chen +12
We present the discovery of a gravitationally lensed dust-reddened QSO at z = 2.517, identified in a survey for QSOs by infrared selection. Hubble Space Telescope imaging reveals a…
A powerful (and likely young) radio-loud quasar at z=5.3
S. Belladitta, A. Moretti, A. Caccianiga +5
We present the discovery of PSO J191.0569686.43172 (hereafter PSO J19186), a new powerful radio-loud quasar (QSO) in the early Universe (z = 5.32). We discovered it by cross-…
A lensed radio jet at milli-arcsecond resolution I: Bayesian comparison of parametric lens models
Devon M. Powell, Simona Vegetti, J. P. McKean +3
We investigate the mass structure of a strong gravitational lens galaxy at , taking advantage of the milli-arcsecond (mas) angular resolution of very long baseline interfe…
Milliarcsecond X-ray astrometry to resolve inner regions of AGN at using gravitational lensing
C. Spingola, D. Schwartz, A. Barnacka
We report the localization of the X-ray emission from two strongly lensed AGN, CLASS B0712+472 () and CLASS B1608+656 (). We obtain milliarcsecond X-ray astrometry…
Multi-scale VLBI observations of the candidate host galaxy of GRB 200716C
S. Giarratana, M. Giroletti, C. Spingola +3
We present the discovery and the subsequent follow up of radio emission from SDSS J130402.36293840.6 (J1304+2938), the candidate host galaxy of the gamma-ray burst GRB~200716C.…
The central engine of the highest redshift blazar
Silvia Belladitta, Alessandro Caccianiga, Alessandro Diana +8
We report on a LUCI/Large Binocular Telescope near-infrared (NIR) spectrum of PSO J030947.49+271757.31 (hereafter PSO J0309+27), the highest redshift blazar known to date (z6…