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The black hole mass of the multiply imaged quasar SDSS J2222+2745 from velocity-resolved time lags of the CIV emission line
Peter R. Williams, Tommaso Treu, Håkon Dahle +6
We present the first results of a 4.5 year monitoring campaign of the three bright images of multiply imaged quasar SDSS J2222+2745 using the Gemini North Multi-Object Sp…
COOL-LAMPS I. An Extraordinarily Bright Lensed Galaxy at Redshift 5.04
Gourav Khullar, Katya Gozman, Jason J. Lin +19
We report the discovery of COOL J1241+2219, a strongly-lensed galaxy at redshift =5.0430.002 with observed magnitude , lensed by a moderate-mass galaxy cluste…
A Comparison of Rest-frame Ultraviolet and Optical Emission-Line Diagnostics in the Lensed Galaxy SDSS J1723+3411 at Redshift z=1.3293
J. R. Rigby, Michael Florian, A. Acharyya +13
For the extremely bright lensed galaxy SDSS J1723+3411 at z=1.3293 , we analyze spatially integrated MMT, Keck, and Hubble Space Telescope spectra that fully cover the rest-frame w…
REQUIEM-2D: Spatially Resolved Stellar Populations from HST 2D Grism Spectroscopy
Mohammad Akhshik, Katherine E. Whitaker, Gabriel Brammer +13
We present a novel Bayesian methodology to jointly model photometry and deep Hubble Space Telescope (HST) 2d grism spectroscopy of high-redshift galaxies. Our requiem2d code measur…