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IRAS F13308+5946: A POSSIBLE TRANSITION PHASE FROM TYPE I ULTRALUMINOUS INFRARED GALAXY TO OPTICAL QUASAR
Meng, Xian-Min1,2; Wu, Hong1; Gu, Qiu-Sheng3; Wang, Jing1; Cao, Chen4
2010-08-01
Source PublicationASTROPHYSICAL JOURNAL
Volume718Issue:2Pages:928-938
AbstractWe present a stellar population synthesis study of a type I luminous infrared galaxy: IRAS F13308+5946. It is a quasar with absolute magnitude M(i) = -22.56 and has the spectral feature of a Seyfert 1.5 galaxy. Optical images show characteristics of later stages of a merger. With the help of the stellar synthesis code starlight and both Calzetti et al.'s and Leitherer et al.'s extinction curves, we estimate the past infrared (IR) luminosities of the host galaxy and find that it may have experienced an ultraluminous infrared galaxy (ULIRG) phase for nearly 300 Myr, so this galaxy has probably experienced a type I ULIRG phase. Both nuclear starburst (SB) and active galactic nuclei contribute to the present IR luminosity budget, with the SB contributing similar to 70%. The mass of the supermassive black hole is M(BH) = 1.8 x 10(8) M(circle dot) and the Eddington ratio L(bol)/L(Edd) is 0.12, both of which are approximate typical values of Palomar-Green QSOs. These results indicate that IRAS F13308+5946 is probably at the transitional phase from a type I ULIRG to a classical QSO.
KeywordInfrared: Galaxies Galaxies: Evolution Galaxies: Starburst Galaxies: Stellar Content Quasars: Individual (Iras f13308+5946)
DOI10.1088/0004-637X/718/2/928
Indexed BySCI
Language英语
WOS IDWOS:000279976200029
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8079
Collection光学天文研究部
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
3.Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China
4.Shandong Univ Weihai, Weihai 264209, Peoples R China
Recommended Citation
GB/T 7714
Meng, Xian-Min,Wu, Hong,Gu, Qiu-Sheng,et al. IRAS F13308+5946: A POSSIBLE TRANSITION PHASE FROM TYPE I ULTRALUMINOUS INFRARED GALAXY TO OPTICAL QUASAR[J]. ASTROPHYSICAL JOURNAL,2010,718(2):928-938.
APA Meng, Xian-Min,Wu, Hong,Gu, Qiu-Sheng,Wang, Jing,&Cao, Chen.(2010).IRAS F13308+5946: A POSSIBLE TRANSITION PHASE FROM TYPE I ULTRALUMINOUS INFRARED GALAXY TO OPTICAL QUASAR.ASTROPHYSICAL JOURNAL,718(2),928-938.
MLA Meng, Xian-Min,et al."IRAS F13308+5946: A POSSIBLE TRANSITION PHASE FROM TYPE I ULTRALUMINOUS INFRARED GALAXY TO OPTICAL QUASAR".ASTROPHYSICAL JOURNAL 718.2(2010):928-938.
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