Narrow-absorption Line Complex. IV. Line-driven Radiative Outflows in Broad-absorption Line Quasars
نویسندگان
چکیده
منابع مشابه
High Velocity Outflows in Narrow Absorption Line Quasars
The current paradigm for the AGN phenomenon is a central engine that consists of an inflow of material accreting in the form of a disk onto a supermassive black hole. Observations in the UV and optical find high velocity ionized material outflowing from the black hole. We present results from Suzaku and XMM-Newton observations of a sample of intrinsic NAL quasars with high velocity outflows. Ou...
متن کاملVariability in Low Ionization Broad Absorption Line outflows
We present results of our time variability studies of Mg II and Al III absorption lines in a sample of 22 Low Ionization Broad Absorption Line QSOs (LoBAL QSOs) at 0.2 ≤ zem ≤ 2.1 using the 2-m telescope at IUCAA Girawali Observatory over a time-scale of 10 d to 7.69 years in the QSO’s rest frame. Spectra are analysed in conjunction with photometric light curves from Catalina Real-Time Transien...
متن کاملFast outflows in broad absorption line quasars and their connection with CSS/GPS sources
1 Max Planck Institute for Radio Astronomy, Auf dem Hügel 69, D-53121 Bonn, Germany 2 INAF Istituto di Radioastronomia, Via P. Gobetti 101, I-40129 Bologna, Italy 3 European Southern Observatory, Alonso de Córdova 3107, Vitacura, Casilla 19001, Santiago de Chile, Chile 4 Netherlands Institute for Radio Astronomy, Postbus 2, 7990 AA, Dwingeloo, The Netherlands 5 Kapteyn Astronomical Institute, R...
متن کاملThe X-ray Absorber in Broad Absorption Line Quasars
Recent observations of Broad Absorption Line (BAL) quasars demonstrated that the soft X-ray emission of these objects is extremely weak and convincing evidence for very strong absorption by a high column density (∼ 10 cm) was obtained for PG 1411+442, even though it is one of the few BAL QSOs strongly detected in soft X-rays. This paper examines the ionization status and geometry of the X-ray a...
متن کاملA Balmer-line Broad Absorption Line Quasar
I report the discovery of blueshifted broad absorption line (BAL) troughs in at least six transitions of the Balmer series of hydrogen (Hβ to H9) and in Ca II, Mg II and excited Fe II in the quasar SDSS J125942.80+121312.6. This is only the fourth active galactic nucleus known to exhibit Balmer absorption, all four in conjunction with low-ionization BAL systems containing excited Fe II. The sub...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Astrophysical Journal
سال: 2019
ISSN: 1538-4357
DOI: 10.3847/1538-4357/ab517e