Varstrometry for Off-nucleus and Dual Sub-Kpc AGN (VODKA): Long-slit Optical Spectroscopic Follow-up with Gemini/GMOS and Hubble Space Telescope/STIS

High spatial and spectral resolution observations are essential for identifying subarcsecond dual and lensed quasars and confirming their redshifts. We present Gemini/Gemini Multi-Object Spectrograph and Hubble Space Telescope/STIS optical spectra for 27 dual quasar candidates selected based on thei...

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Vydané v:	The Astrophysical journal Ročník 988; číslo 1; s. 126 - 136
Hlavní autori:	Chen, Yu-Ching, Gross, Arran C., Liu, Xin, Shen, Yue, Zakamska, Nadia L., Hwang, Hsiang-Chih, Zhuang, Ming-Yang
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Philadelphia The American Astronomical Society 20.07.2025 IOP Publishing
Predmet:	Active galactic nuclei Double quasars Hubble Space Telescope Quasars Signal to noise ratio Space telescopes Spatial resolution Spectral resolution Spectroscopy Strong gravitational lensing Supermassive black holes Vodka
ISSN:	0004-637X, 1538-4357
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