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8 papers · 2 filters
Polarization in broad emission lines of Active Galactic Nuclei
L. C. Popović, E. Shablovinskaya, Dj. Savić
We discuss the polarization of broad emission lines in the type 1 active galactic nuclei (AGNs). The polarization depends on the geometry of the broad line region (BLR), and also o…
Gaia GraL: Gaia DR2 Gravitational Lens Systems. VII. XMM-Newton Observations of Lensed Quasars
Thomas Connor, Daniel Stern, Alberto Krone-Martins +23
We present XMM-Newton X-ray observations of nine confirmed lensed quasars at identified by the Gaia Gravitational Lens program. Eight systems are strongly…
The first supermassive black hole mass measurement in active galactic nuclei using the polarization of broad emission line Mg II
Đorđe Savić, Luka Č. Popović, Elena Shablovinskaya
Spectropolarimetric efforts in the last few years have provided an efficient method that is based on the profiles of the polarization plane position angle of broad emission lines i…
Geometry and kinematics of the broad emission line region in the lensed quasar Q2237+0305
Damien Hutsemékers, Dominique Sluse
Line profile distortions are commonly observed in gravitationally lensed quasar spectra. These distortions are caused by microlensing from the stars in the lensing galaxy, which pr…
Gaia Early Data Release 3: Updated radial velocities from Gaia DR2
G. Seabroke, C. Fabricius, D. Teyssier +40
Gaia's Early Third Data Release (EDR3) does not contain new radial velocities because these will be published in Gaia's full third data release (DR3), expected in the first half of…
Linear Spectropolarimetric Analysis of Fairall 9 with VLT/FORS2
Bo-Wei Jiang, Paola Marziani, Đorđe Savić +10
The quasar Main Sequence (MS) appears to be an incredibly powerful tool to organize the diversity in large samples of type-1 quasars but the most important physical parameters gove…