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Reverberation Mapping of High-Luminosity Quasars

Description: This article presents the CIV BLR size and luminosity relation over eight orders of magnitude in luminosity, pushing the luminosity limit to its highest point so far.
Date: October 30, 2017
Creator: Kaspi, Shai; Brandt, William Nielsen; Maoz, Dan; Netzer, Hagai; Schneider, Donald P. & Shemmer, Ohad
Partner: UNT College of Science
open access

Fast-Growing SMBHs in Fast-Growing Galaxies, at High Redshifts: The Role of Major Mergers as Revealed by ALMA

Description: This article presents a long-term, multi-wavelength project to understand the epoch of fastest growth of the most massive black holes by using a sample of 40 luminous quasars at z ≃ 4.8.
Date: November 30, 2017
Creator: Trakhtenbrot, Benny; Lira, Paulina; Netzer, Hagai; Cicone, Claudia; Maiolino, Roberto & Shemmer, Ohad
Partner: UNT College of Science
open access

Optically Selected BL Lacertae Candidates from the Sloan Digital Sky Survey Data Release Seven

Description: This article presents a sample of 723 optically selected BL Lac candidates from the Sloan Digital Sky Survey Data Release 7 spectroscopic database.
Date: October 30, 2009
Creator: Plotkin, Richard M.; Anderson, Scott F.; Brandt, William Nielsen; Diamond-Stanic, Aleksandar M.; Fan, Xiaohui; Hall, Patrick B. et al.
Partner: UNT College of Arts and Sciences
open access

PAH Emission and Star Formation in the Host of the z ~ 2.56 Cloverleaf QSO

Description: This article reports the first detection of the 6.2 and 7.7 μm infrared polycyclic aromatic hydrocarbon emission features in the spectrum of a high-redshift QSO, from the Spitzer IRS spectrum of the Cloverleaf lensed QSO.
Date: March 30, 2007
Creator: Lutz, Dieter; Sturm, Eckhard; Tacconi, Linda; Valiante, Elisabetta; Schweitzer, Mario; Netzer, Hagai et al.
Partner: UNT College of Arts and Sciences
transcript

Episode 51: The Search for Black Holes and Quasars with Dr. Ohad Shemmer

Description: Podcast produced by the Osher Lifelong Learning Institute (OLLI) that features an interview with Dr. Ohad Shemmer, astrophysicist and Associate Professor at UNT. Susan and Dr. Shemmer discuss terms related to astrophysics, including the difference between being an astronomer and an astrophysicist, and the relation between black holes and quasars. They also discuss his inspiration behind becoming an astrophysicist, and how discoveries in the field allow scientists to understand the universe.
Date: September 30, 2020
Duration: 51 minutes 10 seconds
Creator: University of North Texas. Osher Lifelong Learning Institute.
Partner: UNT Libraries Special Collections
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