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

被引：30

作者：

D'Ammando, F. ^{[1
,2
]}

Acosta-Pulido, J. A. ^{[3
,4
]}

Capetti, A. ^{[5
]}

Raiteri, C. M. ^{[5
]}

Baldi, R. D. ^{[6
]}

Orienti, M. ^{[2
]}

Ramos Almeida, C. ^{[3
,4
]}

机构：

[1] Univ Bologna, Dipartimento Fis & Astron, Via Ranzani 1, I-40127 Bologna, Italy

[2] INAF, Ist Radioastron, Via Gobetti 101, I-40129 Bologna, Italy

[3] Inst Astrofis Canarias, Calle Via Lactea S-N, E-38205 Tenerife, Spain

[4] Univ La Laguna, Dept Astrofis, E-38205 Tenerife, Spain

[5] INAF, Osservatorio Astron Torino, Via Osservatorio 20, I-10025 Pino Torinese, Italy

[6] Univ Southampton, Dept Phys & Astron, Southampton SO17 1BJ, Hants, England

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2017年 / 469卷 / 01期

基金：

美国国家科学基金会;

关键词：

galaxies: evolution; galaxies: jets; galaxies: nuclei; galaxies: Seyfert; infrared: galaxies; BLACK-HOLE MASS; K-CORRECTIONS; QUASARS; SPECTRA; NUCLEUS; JETS; VIEW;

D O I：

10.1093/mnrasl/slx042

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The discovery of gamma-ray emission from radio-loud narrow-line Seyfert 1 (NLSy1) galaxies has questioned the need for large black hole masses (greater than or similar to 10(8) M-circle dot) to launch relativistic jets. We present near-infrared data of the gamma-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 Sersic 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) x 10(8) M-circle dot, consistent with the values characterizing radio-loud active galactic nuclei.

引用

页码：L11 / L15

页数：5

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