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10 papers · 2 filters
Investigating Changing-Look Active Galactic Nuclei with Long-term Optical and X-Ray Observations
A. Jana, C. Ricci, M. J. Temple +7
Changing-look active galactic nuclei (CLAGNs) show the appearance and disappearance of broad emission lines in their UV/optical spectra on timescales of months to decades. Here, we…
VLTI/GRAVITY Interferometric Measurements of Innermost Dust Structure Sizes around AGNs
GRAVITY Collaboration, A. Amorim, G. Bourdarot +41
We present new VLTI/GRAVITY near-infrared interferometric measurements of the angular size of the innermost hot dust continuum for 14 type 1 AGNs. The angular sizes are resolved on…
GATOS: missing molecular gas in the outflow of NGC5728 revealed by JWST
R. Davies, T. Shimizu, M. Pereira-Santaella +49
The ionisation cones of NGC5728 have a deficit of molecular gas based on millimetre observations of CO(2-1) emission. Although photoionisation from the active nucleus may lead to s…
A quasar-galaxy merger at : rapid host growth via accretion of two massive satellite galaxies
Roberto Decarli, Federica Loiacono, Emanuele Paolo Farina +38
We present JWST/NIRSpec Integral Field Spectroscopy in the rest-frame optical bands of the system PJ308-21, a quasar at caught as its host galaxy interacts with companio…
Evidence for large scale compressible turbulence in the ism of CSWA13, a star-Forming Lensed Galaxy at z = 1.87 with outflowing wind
Itzhak Goldman
Recently, Keerthi Vasan G. et al.(2024 presented spatially resolved observations of a wind outflow in CSWA13, a gravitationally lensed Star-Forming galaxy at z = 1.87. The gravitat…
Chemical abundances along the quasar main sequence
A. Floris, P. Marziani, S. Panda +5
The 4D eigenvector 1 (E1) sequence has emerged as a powerful tool for organizing the observational and physical characteristics of type-1 active galactic nuclei (AGNs). In this stu…