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A microlensing measurement of the size of the broad emission line region in the lensed QSO 2237+0305
Randall B. Wayth, Matthew O'Dowd, Rachel L. Webster
We present spatially resolved spectroscopic images of the gravitationally lensed QSO 2237+0305 taken with the GMOS Integral Field Unit (IFU) on the Gemini North telescope. These ob…
Host Galaxy Evolution in Radio-Loud AGN
Matthew O'Dowd, C. Megan Urry
We investigate the luminosity evolution of the host galaxies of radio-loud AGN through Hubble Space Telescope imaging of 72 BL Lac objects, including new STIS imaging of nine z > 0…
H1517+656: the Birth of a BL Lac Object?
Matthew O'Dowd, C. Megan Urry, Riccardo Scarpa +2
H1517+656 is an unusual source, even for a BL Lac object. It is one of the most luminous BL Lacs known, with extreme emission properties at radio, optical, and X-ray frequencies. F…