THE HOST GALAXY OF THE GAMMA-RAY NARROW-LINE SEYFERT 1 GALAXY 1H 0323+342

被引：56

作者：

Leon Tavares, J. ^{[1
,2
]}

Kotilainen, J. ^{[2
]}

Chavushyan, V. ^{[1
]}

Anorve, C. ^{[3
]}

Puerari, I. ^{[1
]}

Cruz-Gonzalez, I. ^{[4
]}

Patino-Alvarez, V. ^{[1
]}

Anton, S. ^{[5
,6
]}

Carraminana, A. ^{[1
]}

Carrasco, L. ^{[1
]}

Guichard, J. ^{[1
]}

Karhunen, K.

Olguin-Iglesias, A. ^{[1
]}

Sanghvi, J. ^{[7
]}

Valdes, J. ^{[1
]}

机构：

[1] INAOE, Puebla 72000, Mexico

[2] Univ Turku, Finnish Ctr Astron ESO FINCA, FI-21500 Piikkio, Finland

[3] Univ Autonoma Sinaloa, Fac Ciencias Tierra & Espacio FACITE, Culiacan 80010, Sinaloa, Mexico

[4] Univ Nacl Autonoma Mexico, Inst Astron, Mexico City 04510, DF, Mexico

[5] CSIC, Inst Astrofis Andalucia, E-18008 Granada, Spain

[6] Univ Lisbon, Fac Ciencias, Inst Astrofis & Ciencias Espaco, PT-1749016 Lisbon, Portugal

[7] Univ Turku, Dept Phys & Astron, Tuorla Observ, FI-20100 Turku, Finland

来源：

ASTROPHYSICAL JOURNAL | 2014年 / 795卷 / 01期

关键词：

galaxies: evolution; galaxies: individual (1H 0323+342); galaxies: interactions; galaxies: jets; galaxies: Seyfert; gamma rays: galaxies; ACTIVE GALACTIC NUCLEI; BLACK-HOLE MASS; BL-LACERTAE OBJECTS; INTRANIGHT OPTICAL VARIABILITY; DIGITAL SKY SURVEY; BH-SIGMA RELATION; PMN J0948+0022; EMISSION-LINE; VELOCITY DISPERSION; SPECTROSCOPIC ATLAS;

D O I：

10.1088/0004-637X/795/1/58

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present optical and near-infrared (NIR) imaging data of the radio-loud, narrow-line Seyfert 1 galaxy 1H 0323+342, which shows intense and variable gamma-ray activity discovered by the Fermi satellite with the Large Area Telescope. Near-infrared and optical images are used to investigate the structural properties of the host galaxy of 1H 0323+342; this together with optical spectroscopy allows us to examine its black hole mass. Based on two-dimensional (2D) multiwavelength surface-brightness modeling, we find that statistically, the best model fit is a combination of a nuclear component and a Sersic profile (n similar to 2.8). However, the presence of a disk component (with a small bulge n similar to 1.2) also remains a possibility and cannot be ruled out with the present data. Although at first glance a spiral-arm-like structure is revealed in our images, a 2D Fourier analysis of the imagery suggests that this structure corresponds to an asymmetric ring, likely associated with a recent violent dynamical interaction. We discuss our results in the context of relativistic jet production and galaxy evolution.

引用

页数：13

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