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An X-shooter composite of bright 1 < z < 2 quasars from UV to infrared
Jonatan Selsing, Johan P. U. Fynbo, Lise Christensen +1
Quasi-stellar object (QSO) spectral templates are important both to QSO physics and for investigations that use QSOs as probes of intervening gas and dust. However, combinations of…
A quasar reddened by a sub-parsec sized, metal-rich and dusty cloud in a damped Lyman-alpha absorber at z=2.13
J. -K. Krogager, J. P. U. Fynbo, P. Noterdaeme +5
We present a detailed analysis of a red quasar at z=2.32 with an intervening damped Lyman-alpha absorber (DLA) at z=2.13. Using high quality data from the X-shooter spectrograph at…
Extinction curve template for intrinsically reddened quasars
Tayyaba Zafar, Palle Møller, Darach Watson +6
We analyze the near-infrared to UV data of 16 quasars with redshifts ranging from 0.71 2.13 to investigate dust extinction properties. The sample presented in this work…