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

被引：55
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.
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页数：13
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