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A nonthermal bomb explains the near-infrared superflare of Sgr A*
Eduardo M. Gutiérrez, Rodrigo Nemmen, Fabio Cafardo
The Galactic center supermassive black hole, Sgr A*, has experienced a strong, unprecedented flare in May 2019 when its near-infrared luminosity reached much brighter levels than e…
VLT/SINFONI study of black hole growth in high redshift radio-loud quasars from the CARLA survey
M. Marinello, R. A. Overzier, H. J. A. Röttgering +11
We present VLT/SINFONI observations of 35 quasars at 2.1 < z < 3.2, the majority of which were selected from the Clusters Around Radio-Loud AGN (CARLA) survey. CARLA quasars have l…
Optical characterization of WISE selected blazar candidates
Raniere de Menezes, Harold A. Peña-Herazo, Ezequiel J. Marchesini +8
Over the last decade more than five thousand gamma-ray sources were detected by the Large Area Telescope (LAT) on board Fermi Gamma-ray Space Telescope. Given the positional uncert…
The Southern Photometric Local Universe Survey (S-PLUS): improved SEDs, morphologies and redshifts with 12 optical filters
C. Mendes de Oliveira, T. Ribeiro, W. Schoenell +142
The Southern Photometric Local Universe Survey (S-PLUS) is imaging ~9300 deg^2 of the celestial sphere in twelve optical bands using a dedicated 0.8 m robotic telescope, the T80-So…
Winds and feedback from supermassive black holes accreting at low rates: Hydrodynamical treatment
Ivan Almeida, Rodrigo Nemmen
Outflows produced by a supermassive black hole (SMBH) can have important feedback effects in its host galaxy. An unresolved question is the nature and properties of winds from SMBH…
The Fourth Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope
LAT collaboration
The fourth catalog of active galactic nuclei (AGNs) detected by the Fermi Gamma-ray Space Telescope Large Area Telescope (4LAC) between 2008 August 4 and 2016 August 2 contains 286…