Hubble Space Telescope Faint Object Spectrograph and ground-based observations of the broad absorption line quasar 0226-1024

1992 ◽  
Vol 401 ◽  
pp. 529 ◽  
Author(s):  
Kirk T. Korista ◽  
Ray J. Weymann ◽  
Simon L. Morris ◽  
Michael, Jr. Kopko ◽  
David A. Turnshek ◽  
...  
Keyword(s):  
Absorption Line ◽  
Hubble Space Telescope ◽  
Broad Absorption ◽  
Space Telescope ◽  
Broad Absorption Line ◽  
Faint Object ◽  
Faint Object Spectrograph

Hubble Space Telescope Faint Object Spectrograph and Ground-based Observations of the Broad Absorption Line Quasar 0226-1024: Erratum

1993 ◽  
Vol 413 ◽  
pp. 445 ◽  
Author(s):  
Kirk T. Korista ◽  
Ray J. Weymann ◽  
Simon L. Morris ◽  
Michael, Jr. Kopko ◽  
David A. Turnshek ◽  
...  
Keyword(s):  
Absorption Line ◽  
Hubble Space Telescope ◽  
Broad Absorption ◽  
Space Telescope ◽  
Broad Absorption Line ◽  
Faint Object ◽  
Faint Object Spectrograph

scholarly journals The contribution of quasar absorption outflows to AGN feedback

2020 ◽  
Vol 499 (1) ◽  
pp. 1522-1529
Author(s):  
Timothy R Miller ◽  
Nahum Arav ◽  
Xinfeng Xu ◽  
Gerard A Kriss
Keyword(s):  
Absorption Line ◽  
Active Galactic Nucleus ◽  
Hubble Space Telescope ◽  
Broad Absorption ◽  
Feedback Effects ◽  
Space Telescope ◽  
Central Source ◽  
Broad Absorption Line

ABSTRACT Determining the distance of quasar absorption outflows from the central source (R) and their kinetic luminosity ($\dot{E}_\mathrm{\scriptstyle k}$) is crucial for understanding their contribution to active galactic nucleus (AGN) feedback. Here, we summarize the results for a sample of nine luminous quasars that were observed with the Hubble Space Telescope. We find that the outflows in more than half of the objects are powerful enough to be the main agents for AGN feedback, and that most outflows are found at R > 100 pc. The sample is representative of the quasar absorption outflow population as a whole and is unbiased towards specific ranges of R and $\dot{E}_\mathrm{\scriptstyle k}$. Therefore, the analysis results can be extended to the majority of such objects, including broad absorption line quasars. We find that these results are consistent with those of another sample (seven quasars) that is also unbiased towards specific ranges of R and $\dot{E}_\mathrm{\scriptstyle k}$. Assuming that all quasars have absorption outflows, we conclude that most luminous quasars produce outflows that can contribute significantly to AGN feedback. We also discuss the criterion for whether an outflow is energetic enough to cause AGN feedback effects.

scholarly journals Preliminary analysis of a Hubble FOS spectrum of VW Hyi in quiescence: A DAZQ white dwarf and accretion belt/ring

1996 ◽  
Vol 158 ◽  
pp. 249-250
Author(s):  
E. M. Sion ◽  
M. Huang ◽  
F. H. Cheng ◽  
I. Hubeny ◽  
P. Szkody
Keyword(s):  
White Dwarf ◽  
Preliminary Analysis ◽  
Hubble Space Telescope ◽  
Uv Spectrum ◽  
Space Telescope ◽  
Dwarf Nova ◽  
Faint Object ◽  
Faint Object Spectrograph

AbstractWe present a preliminary analysis of the UV spectrum of the dwarf nova VW Hyi during early quiescence, obtained with the Faint Object Spectrograph (FOS) on the Hubble Space Telescope (HST). The data were obtained approximately one day after the end of a normal outburst.

scholarly journals A 21 Centimeter Absorber Identified with a Spiral Galaxy: Hubble Space Telescope Faint Object Spectrograph and Wide-Field Camera Observations of 3CR 196

1996 ◽  
Vol 456 ◽  
pp. 132 ◽  
Author(s):  
Ross D. Cohen ◽  
E. A. Beaver ◽  
Athanassios Diplas ◽  
Vesa T. Junkkarinen ◽  
Thomas A. Barlow ◽  
...  
Keyword(s):  
Spiral Galaxy ◽  
Hubble Space Telescope ◽  
Wide Field ◽  
Space Telescope ◽  
Faint Object ◽  
Faint Object Spectrograph

Far-ultraviolet spectroscopy of the quasar UM 675 with the faint object spectrograph on the Hubble Space Telescope

1991 ◽  
Vol 377 ◽  
pp. L1 ◽  
Author(s):  
E. A. Beaver ◽  
E. M. Burbidge ◽  
Ross D. Cohen ◽  
Vesa T. Junkkarinen ◽  
Ronald W. Lyons ◽  
...  
Keyword(s):  
Hubble Space Telescope ◽  
Ultraviolet Spectroscopy ◽  
Space Telescope ◽  
Faint Object ◽  
Far Ultraviolet ◽  
Faint Object Spectrograph
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