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Infrared photometric study of SDSS selected narrow line Seyfert 1 galaxies
Chen PS(陈培生); Liu JY(刘杰英); Dan HG(单红光)
Source PublicationNEW ASTRONOMY
2017-07
Volume54Pages:30-37
DOI10.1016/j.newast.2017.01.005
Contribution Rank第1完成单位
Indexed BySCI
KeywordGalaxies: photometry Galaxies: Seyfert Infrared: galaxies
Abstract

The infrared photometric study of SDSS selected Narrow Line Seyfert 1 Galaxies (NLS1s) is presented in this paper. We have made cross-identifications for such NLS1s with 2MASS and WISE observations. Finally 992 NLS1s have 2MASS and WISE counterparts. Comparisons of NLS1s with the Broad Line Seyfert 1 (BLS1s) and Seyfert 2 galaxies are made. It is shown that from 1 mu m to 5 mu m NLS1s are redder than BLS1s and Seyfert 2 galaxies possibly due to the richer dust environment in NLS1 nuclei or to the orientation effect while in the longer wavelengths those three kinds of sources have quite similar behavior indicative of radiation mainly from the similar warm starburst-related dust and the related AGN dust.

In addition, relations between infrared colors and related (to H-beta) strengths of some important lines are also investigated. The results show that the related strengths of [Fell] 4570 angstrom are positively correlated with infrared colors in the 1-5 mu m region, but negatively correlated with infrared colors in the 12-22.pm region; the related strength of [OIII] 5007 angstrom are negatively correlated with infrared colors in the 1-5 pm region, but positively correlated with infrared colors in the 12-22 mu m region; the related strength of [NII]6583 angstrom are also negatively correlated with infrared colors in the 1-5 mu m region, but positively correlated with infrared colors in the 12-22 mu m region. Therefore it is indicated that the behavior of [Fell] 4570 angstrom is just opposed to that for [OIII] 5007 angstrom and [NII] 6583 angstrom This result may be caused by different origins of such lines. (C) 2017 Elsevier B.V. All rights reserved.

Funding ProjectNNSFC[11173056] ; NNSFC[11373067] ; NNSFC[11303086]
Funding OrganizationNNSFC[11173056, 11373067, 11303086]
Language英语
Subject Area天文学 ; 空间天文学 ; 红外天文学 ; 星系与宇宙学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherELSEVIER SCIENCE BV
Publication PlacePO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
ISSN1384-1076
URL查看原文
Archive Date2017-02-02
WOS IDWOS:000397369300004
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics ; Astronomy & Astrophysics
WOS KeywordACTIVE GALACTIC NUCLEI ; DIGITAL SKY SURVEY ; SPECTROSCOPY ; EMISSION ; QUASARS ; SPECTRA ; 2MASS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/11898
Collection其他
中国科学院天体结构与演化重点实验室
Corresponding AuthorChen PS(陈培生)
AffiliationYunnan Observatories and Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China
Recommended Citation
GB/T 7714
Chen PS,Liu JY,Dan HG. Infrared photometric study of SDSS selected narrow line Seyfert 1 galaxies[J]. NEW ASTRONOMY,2017,54:30-37.
APA Chen PS,Liu JY,&Dan HG.(2017).Infrared photometric study of SDSS selected narrow line Seyfert 1 galaxies.NEW ASTRONOMY,54,30-37.
MLA Chen PS,et al."Infrared photometric study of SDSS selected narrow line Seyfert 1 galaxies".NEW ASTRONOMY 54(2017):30-37.
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