Principal course 280-FS3-1PC
Wykład (WYK) Rok akademicki 2022/23

The lecture covers the following topics:

1. Discovery of the first weak emission-line quasar (WLQ) - PG 1407+265 in 1994,

2. Basic properties of PG 1407+265,

3. Possible explanations of nature for WLQs given by McDowell et al. (1995),

4. Properties of WLQs - current state,

5. Evidence of uder-developed torus in WLQs,,

6. Covering factor of Broad Line Region (BLR),

7. Covering factor of warm dust,

8. Evidence of under-developed BLR in WLQs,

9.Evolutionary scenario,

10. Specrtal Energy Distributions of WLQs,

11. Blueshift of C IV lines, optical polarization, radio continua, optcal Fe II emission in WLQs,

12. Cold accretion disk and insufficient ionizing continua.

13. Definition of alpha ox index,

14. Baldwin and modified Baldwin effects in ordinary AGNs and WLQs,

15. Parallel and perpendicular distances of C IV emission lines in space EW-Blueshift.

16.Fe II- corrected size-luminosity scaling relation for quasars,

17. Computer simulations of BLR based on CLOUDY software.