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

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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Bibliographic Details
Main Authors: Yu-Ching Chen, Arran C. Gross, Xin Liu, Yue Shen, Nadia L. Zakamska, Hsiang-Chih Hwang, Ming-Yang Zhuang
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Spectroscopy
Strong gravitational lensing
Double quasars
Active galactic nuclei
Supermassive black holes
Quasars
Online Access:https://doi.org/10.3847/1538-4357/ade23b
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https://doi.org/10.3847/1538-4357/ade23b

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