A radio-jet-driven outflow in the Seyfert 2 galaxy NGC 2110?

被引：10

作者：

de Arriba, L. Peralta ^{[1
]}

Alonso-Herrero, A. ^{[1
]}

Garcia-Burillo, S. ^{[2
]}

Garcia-Bernete, I. ^{[3
]}

Villar-Martin, M. ^{[4
]}

Garcia-Lorenzo, B. ^{[5
,6
]}

Davies, R. ^{[7
]}

Rosario, D. J. ^{[8
]}

Hoenig, S. F. ^{[9
]}

Levenson, N. A. ^{[10
]}

Packham, C. ^{[11
,12
]}

Almeida, C. Ramos ^{[5
,6
]}

Pereira-Santaella, M. ^{[13
]}

Audibert, A. ^{[5
,6
]}

Bellocchi, E. ^{[14
,15
]}

Hicks, E. K. S. ^{[16
]}

Labiano, A. ^{[17
]}

Ricci, C. ^{[18
,19
]}

Rigopoulou, D. ^{[3
,20
]}

机构：

[1] CSIC, INTA, Ctr Astrobiol CAB, Camino Bajo Castillo s-n, Madrid 28692, Spain

[2] IGN, OAN, Observ Madrid, Alfonso XII 3, Madrid 28014, Spain

[3] Univ Oxford, Dept Phys, Keble Rd, Oxford OX1 3RH, England

[4] CSIC, INTA, Ctr Astrobiol CAB, Carretera Ajalvir km 4, Madrid 28850, Spain

[5] Inst Astrofis Canarias IAC, Calle Via Lactea s-n, San Cristobal la Laguna 38205, Tenerife, Spain

[6] Univ La Laguna, Dept Astrofis, San Cristobal la Laguna 38206, Tenerife, Spain

[7] Max Planck Inst Extraterr Phys, Postfach 1312, D-85741 Garching, Germany

[8] Newcastle Univ, Sch Math Stat & Phys, Newcastle Upon Tyne NE1 7RU, England

[9] Univ Southampton, Sch Phys & Astron, Southampton SO17 1BJ, Hants, England

[10] Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA

[11] Univ Texas San Antonio, 1 UTSA Circle, San Antonio, TX 78249 USA

[12] Natl Inst Nat Sci NINS, Natl Astron Observ Japan, 2-21-1 Osawa, Tokyo 1818588, Japan

[13] CSIC, Inst Fis Fundamental, Calle Serrano 123, Madrid 28006, Spain

[14] Univ Complutense Madrid, Fac CC Fis, Dept Fis Tierra & Astrofis, Madrid 28040, Spain

[15] Univ Complutense Madrid, Fac CC Fis, Inst Fis Particulas & Cosmos IPARCOS, Madrid 28040, Spain

[16] Univ Alaska Anchorage, Dept Phys & Astron, Anchorage, AK 99508 USA

[17] European Space Agcy, Telespazio UK, ESAC, Camino Bajo Castillo s-n, Villanueva De La Canada 28692, Spain

[18] Univ Diego Portales, Fac Ingn, Nucleo Astron, Av Ejercito Libertador 441, Santiago, Chile

[19] Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China

[20] European Univ Cyprus, Sch Sci, Diogenes St, CY-1516 Nicosia, Cyprus

来源：

ASTRONOMY & ASTROPHYSICS | 2023年 / 675卷

基金：

美国国家航空航天局;

关键词：

galaxies; active; Seyfert; ISM; jets and outflows; techniques; imaging spectroscopy; NARROW-LINE REGIONS; IONIZED OUTFLOWS; STAR-FORMATION; HOST GALAXIES; AGN; EMISSION; FEEDBACK; GAS; CLASSIFICATION; KINEMATICS;

D O I：

10.1051/0004-6361/202245408

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a spatially resolved study of the ionized gas in the central 2 kpc of the Seyfert 2 galaxy NGC 2110 and investigate the role of its moderate-luminosity radio jet (kinetic radio power of P-jet = 2.3 x 10(43) erg s(-1)). We used new optical integral-field observations taken with the MEGARA spectrograph at the Gran Telescopio Canarias, which cover the 4300 - 5200 & ANGS; and 6100 - 7300 & ANGS; ranges with a spectral resolution of R & SIME; 5000 - 5900. We fitted the emission lines with a maximum of two Gaussian components, except at the position of the active galactic nucleus (AGN), where we used three. Aided by existing stellar kinematics, we used the observed velocity and velocity dispersion (& sigma;) of the emission lines to classify the different kinematic components. The disk component is characterized by lines with & sigma; & SIME; 60 - 200 km s(-1). The outflow component has typical values of & sigma; & SIME; 700 km s(-1) and is confined to the central 2.5 & DPRIME; & SIME; 400 pc, which is coincident with the linear part of the radio jet detected in NGC 2110. At the AGN position, the [O III]& lambda;5007 line shows high velocity components that reach at least 1000 km s(-1). This and the high velocity dispersions indicate the presence of outflowing gas outside the galaxy plane. Spatially resolved diagnostic diagrams reveal mostly low ionization (nuclear) emitting region-like excitation in the outflow and some regions in the disk, which could be due to the presence of shocks. However, there is also Seyfert-like excitation beyond the bending of the radio jet, which probably traces the edge of the ionization cone that intercepts with the disk of the galaxy. NGC 2110 follows the observational trends between the outflow properties and the jet radio power found for a few nearby Seyfert galaxies. All these pieces of information suggest that part of the observed ionized outflow in NGC 2110 might be driven by the radio jet. However, the radio jet was bent at radial distances of & SIM;200 pc (in projection) from the AGN, and beyond there, most of the gas in the galaxy disk is rotating.

引用

页数：25

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