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Uncovering the host galaxy of the γ-ray-emitting narrow-line Seyfert 1 galaxy FBQS J1644+2619

Uncovering the host galaxy of the γ-ray-emitting narrow-line Seyfert 1 galaxy FBQS J1644+2619
Uncovering the host galaxy of the γ-ray-emitting narrow-line Seyfert 1 galaxy FBQS J1644+2619
The discovery of γ-ray emission from radio-loud narrow-line Seyfert 1 (NLSy1) galaxies has questioned the need for large black hole masses ( ≳ 108 M⊙) to launch relativistic jets. We present near-infrared data of the γ-ray-emitting NLSy1 FBQS J1644+2619 that were collected using the camera CIRCE (Canarias InfraRed Camera Experiment) at the 10.4-m Gran Telescopio Canarias to investigate the structural properties of its host galaxy and to infer the black hole mass. The 2D surface brightness profile is modelled by the combination of a nuclear and a bulge component with a Sérsic profile with index n = 3.7, indicative of an elliptical galaxy. The structural parameters of the host are consistent with the correlations of effective radius and surface brightness against absolute magnitude measured for elliptical galaxies. From the bulge luminosity, we estimated a black hole mass of (2.1 ± 0.2) × 108 M⊙, consistent with the values characterizing radio-loud active galactic nuclei.
1745-3925
L11-L15
Filippo, D'Ammando
e0b15aab-44c3-400e-ae8c-b7a70c186d41
Acosta-Pulido, J.A.
0b8949e6-9b27-4e71-8de5-b2e24090a6bc
Capetti, Alessandro
4b5a2e61-ac39-42ca-aa3e-15983b11146c
Raiteri, Claudia
89ad8e6f-f428-4deb-b371-1f43e7adc4af
Baldi, Ranieri Diego
c416ed4c-5d1c-48ee-989c-3a8ab38cd124
Orienti, Monica
0f1fac55-587f-44b4-8801-61680a56203b
Ramos Almeida, C.
5de8e01a-be52-4502-864b-f47ea0d6473c
Filippo, D'Ammando
e0b15aab-44c3-400e-ae8c-b7a70c186d41
Acosta-Pulido, J.A.
0b8949e6-9b27-4e71-8de5-b2e24090a6bc
Capetti, Alessandro
4b5a2e61-ac39-42ca-aa3e-15983b11146c
Raiteri, Claudia
89ad8e6f-f428-4deb-b371-1f43e7adc4af
Baldi, Ranieri Diego
c416ed4c-5d1c-48ee-989c-3a8ab38cd124
Orienti, Monica
0f1fac55-587f-44b4-8801-61680a56203b
Ramos Almeida, C.
5de8e01a-be52-4502-864b-f47ea0d6473c

Filippo, D'Ammando, Acosta-Pulido, J.A., Capetti, Alessandro, Raiteri, Claudia, Baldi, Ranieri Diego, Orienti, Monica and Ramos Almeida, C. (2017) Uncovering the host galaxy of the γ-ray-emitting narrow-line Seyfert 1 galaxy FBQS J1644+2619. Monthly Notices of the Royal Astronomical Society: Letters, 469 (1), L11-L15. (doi:10.1093/mnrasl/slx042).

Record type: Article

Abstract

The discovery of γ-ray emission from radio-loud narrow-line Seyfert 1 (NLSy1) galaxies has questioned the need for large black hole masses ( ≳ 108 M⊙) to launch relativistic jets. We present near-infrared data of the γ-ray-emitting NLSy1 FBQS J1644+2619 that were collected using the camera CIRCE (Canarias InfraRed Camera Experiment) at the 10.4-m Gran Telescopio Canarias to investigate the structural properties of its host galaxy and to infer the black hole mass. The 2D surface brightness profile is modelled by the combination of a nuclear and a bulge component with a Sérsic profile with index n = 3.7, indicative of an elliptical galaxy. The structural parameters of the host are consistent with the correlations of effective radius and surface brightness against absolute magnitude measured for elliptical galaxies. From the bulge luminosity, we estimated a black hole mass of (2.1 ± 0.2) × 108 M⊙, consistent with the values characterizing radio-loud active galactic nuclei.

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More information

Accepted/In Press date: 20 March 2017
e-pub ahead of print date: 22 March 2017
Published date: July 2017

Identifiers

Local EPrints ID: 412601
URI: http://eprints.soton.ac.uk/id/eprint/412601
ISSN: 1745-3925
PURE UUID: 9fa44c0e-e0d8-46b8-b876-1d9a96d35c0c

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Date deposited: 24 Jul 2017 16:32
Last modified: 15 Jan 2020 17:33

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Contributors

Author: D'Ammando Filippo
Author: J.A. Acosta-Pulido
Author: Alessandro Capetti
Author: Claudia Raiteri
Author: Monica Orienti
Author: C. Ramos Almeida

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