Imaging Redshift Estimates for Fermi BL Lacs

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Abstract/Contents

Abstract
We have measured i images of BL Lacertae objects (BL Lacs) to detect or constrain the flux of the host galaxy. Under common standard candle assumptions these data provide estimates of, or lower bounds on, the redshift. Our targets are a set of flat-spectrum radio counterparts of high flux Fermi Large Area Telescope (LAT) sources, with deep spectral observations showing them to be continuum-dominated BL Lacs. In this sample, 6 of 11 BL Lacs yielded significant host detections, with standard candle redshifts z=0.13-0.58. Our estimates and lower bounds are generally in good agreement with other redshifts estimates for these sources.

Description

Type of resource text
Date created May 2014

Creators/Contributors

Author Stadnik, Matthew
Primary advisor Romani, Roger
Advisor Church, Sarah
Degree granting institution Stanford University, Department of Physics

Subjects

Subject BL Lac
Genre Thesis

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User agrees that, where applicable, content will not be used to identify or to otherwise infringe the privacy or confidentiality rights of individuals. Content distributed via the Stanford Digital Repository may be subject to additional license and use restrictions applied by the depositor.
License
This work is licensed under a Creative Commons Attribution Non Commercial 3.0 Unported license (CC BY-NC).

Preferred citation

Preferred Citation
Stadnik, Matthew. (2014). Imaging Redshift Estimates for Fermi BL Lacs. Stanford Digital Repository. Available at: http://purl.stanford.edu/nm127fw4914

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Undergraduate Theses, Department of Physics

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