Fig. 6.
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Projected separation vs. redshift of all the spectroscopically confirmed dual AGNs with separations smaller than 30 kpc. Literature data are from Brotherton et al. (1999), Morgan et al. (2000), Junkkarinen et al. (2001), Gregg et al. (2002), Pindor et al. (2006), Hennawi et al. (2006, 2010), Inada et al. (2008, 2012), Green et al. (2011), More et al. (2016), Eftekharzadeh et al. (2017), Schechter et al. (2017), Husemann et al. (2018), Lusso et al. (2018), Lemon et al. (2018, 2019, 2020, 2022), Silverman et al. (2020), Tang et al. (2021), Chen et al. (2022, 2023b), and Glikman et al. (2023). The red circles show the GMP systems, empty circles show the dual AGNs that were originally selected with this techniques and were described in Mannucci et al. (2022), Ciurlo et al. (2023), Scialpi et al. (2023), and this work.
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