THE QUASAR OUTFLOW CONTRIBUTION TO AGN FEEDBACK: VLT MEASUREMENTS OF SDSS J0318-0600
نویسندگان
چکیده
منابع مشابه
Vlt + Uves Spectroscopy of the Ca Ii Lobal Quasar Sdss
We study high-resolution spectra of the ‘overlapping-trough’ low-ionization broad absorption line (LoBAL) quasar SDSS 0300+0048. The Ca II, Mg II and Mg I column densities in SDSS 0300+0048 are the largest reported to date for any BAL outflow. The broad Ca II absorption in this object is mildly blended, but the blending can be disentangled to measure the Ca II column density, which is large eno...
متن کاملUnconventional Agn from the Sdss
We discuss some of the most unusual active galactic nuclei (AGN) discovered to date by the Sloan Digital Sky Survey (SDSS): the first broad absorption line quasar seen to exhibit He ii absorption, several quasars with extremely strong, narrow UV Fe ii emission, and an AGN with an unexplained and very strange continuum shape.
متن کاملcontribution of setting to the study of characters and the main idea in e. brontes: wuthering heights and t. hardys: return of the native.
this thesis aims to adduce an unmitigated and comprehensive explication concerning the relationship of three significant elements of fiction: setting, chracter and theme. my research is basically placed on two outstanding novels of the 19th century: emily brontes wuthering heights and thomas hardys return of the native. my endeavour lies in studying the correlation among the three above-mention...
15 صفحه اولThe SDSS-XMM Quasar Sample: First Results
We have searched in the XMM-Newton public archive for quasars in the Sloan Digital Sky Survey (SDSS) First Data Release (DR1), and found 55 lying in the field of a XMM-Newton observation with exposure times >20 ksec (as of August, 2004). The 35 quasars which yielded good X-ray spectra span redshifts from 0.5 to 2.5. The large collecting area of XMM-Newton allows us to investigate the dependence...
متن کاملProperties of Galaxy Groups in the SDSS: II.– AGN Feedback and Star Formation Truncation
Successfully reproducing the galaxy luminosity function and the bimodality in the galaxy distribution requires a mechanism that can truncate star formation in massive haloes. Current models of galaxy formation consider two such truncation mechanisms: strangulation, which acts on satellite galaxies, and AGN feedback, which predominantly affects central galaxies. The efficiencies of these process...
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: 2010
ISSN: 0004-637X,1538-4357
DOI: 10.1088/0004-637x/709/2/611