44 citations · 69 across the 6 of their papers we have counts for
4 papers · 1 filter
Long-term optical spectroscopic variations in blazar 3C 454.3
Krzysztof Nalewajko, Alok C. Gupta, Mai Liao +3
Characterisation of the long-term variations in the broad line region in a luminous blazar, where Comptonisation of broad-line emission within a relativistic jet is the standard sc…
Exploring the role of X-ray reprocessing and irradiation in the anomalous bright optical outbursts of A0538-66
L. Ducci, S. Mereghetti, K. Hryniewicz +2
In 1981, the Be/X-ray binary (Be/XRB) A0538-66 showed outbursts characterized by high peak luminosities in the X-ray and optical bands. The optical outbursts were qualitatively exp…
Quasar main sequence in the UV plane
Marzena Śniegowska, Szymon Kozłowski, Bożena Czerny +2
Active galaxies form a clear pattern in the optical plane showing the correlation between the Full Width Half Maximum (FWHM) of the H line and the ratio of the Equivalent Width…
Modelling of the quasar main sequence in the optical plane
Swayamtrupta Panda, Bożena Czerny, Tek P. Adhikari +4
The concept of the quasar main sequence is very attractive since it stresses correlations between various parameters and implies the underlying simplicity. In the optical plane def…