'Bal quasars' diaporamas de présentation

Integrating X-ray and Infrared Views of BAL Quasars

501 views • 33 slides

Polarimetry as a clue toward the nature of FeLoBAL quasars

Polarimetry as a clue toward the nature of FeLoBAL quasars. Daniel Lawther, Dark Cosmology Centre, Uni. of Copenhagen. Polarimetry as a clue toward the nature of FeLoBAL quasars. Structure of this talk: - What are FeLoBAL quasars? - Why are they important?

375 views • 25 slides

JVN observations of (NLS1s and) BAL quasars 200 9Mar18-20 EAVN-WS 2009 @ Seoul

JVN observations of (NLS1s and) BAL quasars 200 9Mar18-20 EAVN-WS 2009 @ Seoul. Akihiro Doi ( ?? ?? ) ?ASTRO-G/JAXA ? Keiichi Asada, Kenta Fujisawa, Noriyuki Kawaguchi, Hiroshi Nagai, and JVN/OCTAVE collaborators. Coevolution of SMBH & Galaxy?.

336 views • 19 slides

Broad Absorption Line quasars

Broad Absorption Line quasars. Xie fuguo. Observational properties Theory frames discussion. I: Basic information. ~10-20% of optical selected and ~20% of radio selected quasars are BAL quasars Subclass: HiBAL CVI ? 1549 , Si IV ? 1400, OVI ? 1034, N V ? 1240, Ly ?

280 views • 11 slides

Multi-frequency radio observations of BAL quasar 1045+352

Multi-frequency radio observations of BAL quasar 1045+352. Magdalena Kunert-Bajraszewska. Toru? Centre for Astronomy, N. Copernicus University. Features of BAL quasars. very broad, blue-shifted absorption lines arising from:

243 views • 10 slides