GMP-selected dual and lensed AGNs: selection function and classification based on near-IR colors and resolved spectra from VLT/ERIS, KECK/OSIRIS, and LBT/LUCI
GMP-selected dual and lensed AGNs: selection function and classification based on near-IR colors and resolved spectra from VLT/ERIS, KECK/OSIRIS, and LBT/LUCI
The Gaia-Multi-Peak (GMP) technique can be used to identify large numbers of dual or lensed AGN candidates at sub-arcsec separation, allowing us to study both multiple SMBHs in the same galaxy and rare, compact lensed systems. The observed samples can be used to test the predictions of the models of SMBH merging once 1) the selection function of the GMP technique is known, and 2) each system has been classified as dual AGN, lensed AGN, or AGN/star alignment. Here we show that the GMP selection is very efficient for separations above 0.15'' when the secondary (fainter) object has magnitude G0.5 selected by the GMP technique, and compare this sample with other such systems from the literature, concluding that GMP can provide a large number of confirmed dual AGNs at separations below 7 kpc.
astro-ph.GA
Mannucci, F.
f2ba6acc-e65c-45cb-b080-8f08306519aa
Scialpi, M.
99fa508f-a95d-4d69-95dc-3c2ebd221f44
Ciurlo, A.
cbdf47aa-4475-4fc4-9796-bab13bb1cbbd
Puglisi, A.
97237841-1e6d-48fb-9133-671b6f3af18b
Mannucci, F.
f2ba6acc-e65c-45cb-b080-8f08306519aa
Scialpi, M.
99fa508f-a95d-4d69-95dc-3c2ebd221f44
Ciurlo, A.
cbdf47aa-4475-4fc4-9796-bab13bb1cbbd
Puglisi, A.
97237841-1e6d-48fb-9133-671b6f3af18b
[Unknown type: UNSPECIFIED]
Abstract
The Gaia-Multi-Peak (GMP) technique can be used to identify large numbers of dual or lensed AGN candidates at sub-arcsec separation, allowing us to study both multiple SMBHs in the same galaxy and rare, compact lensed systems. The observed samples can be used to test the predictions of the models of SMBH merging once 1) the selection function of the GMP technique is known, and 2) each system has been classified as dual AGN, lensed AGN, or AGN/star alignment. Here we show that the GMP selection is very efficient for separations above 0.15'' when the secondary (fainter) object has magnitude G0.5 selected by the GMP technique, and compare this sample with other such systems from the literature, concluding that GMP can provide a large number of confirmed dual AGNs at separations below 7 kpc.
Text
2305.07396v2
- Author's Original
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e-pub ahead of print date: 12 May 2023
Keywords:
astro-ph.GA
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Local EPrints ID: 487461
URI: http://eprints.soton.ac.uk/id/eprint/487461
PURE UUID: 0f9cd7df-7a9f-4968-9a3e-4174cefccbf7
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Date deposited: 20 Feb 2024 18:20
Last modified: 17 Mar 2024 07:38
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Author:
F. Mannucci
Author:
M. Scialpi
Author:
A. Ciurlo
Author:
A. Puglisi
Corporate Author: et al.
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