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A search for double-peaked narrow emission line galaxies and AGNs in the LAMOST DR1

dc.contributor.authorSHI, Zhi-Xin
dc.contributor.authorLUO, A-Li
hal.structure.identifierLaboratoire d'Astrophysique de Marseille [LAM]
dc.contributor.authorCOMTE, Georges
dc.contributor.authorCHEN, Xiao-Yan
dc.contributor.authorWEI, Peng
dc.contributor.authorZHAO, Yong-Heng
dc.contributor.authorWU, Fu-Chao
dc.contributor.authorZHANG, Yan-Xia
dc.contributor.authorSHEN, Shi-Yin
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorYANG, Ming
dc.contributor.authorWU, Hong
dc.contributor.authorWU, Xue-Bing
dc.contributor.authorZHANG, Hao-Tong
dc.contributor.authorLEI, Ya-Juan
dc.contributor.authorZHANG, Jian-Nan
dc.contributor.authorWANG, Ting-Gui
dc.contributor.authorJIN, Ge
hal.structure.identifierWolfgang Pauli Institute [WPI]
dc.contributor.authorZHANG, Yong
dc.date.accessioned2024-04-08T12:11:53Z
dc.date.available2024-04-08T12:11:53Z
dc.date.issued2014-10
dc.identifier.issn1674-4527
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/196718
dc.description.abstractEnThe Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) has released more than two million spectra, which provide the opportunity to search for double-peaked narrow emission line (NEL) galaxies and active galactic nuclei (AGNs). The double-peaked narrow-line profiles can be well modeled by two velocity components, respectively blueshifted and redshifted with respect to the systemic recession velocity. This paper presents 20 double-peaked NEL galaxies and AGNs found from LAMOST DR1 using a search method based on a multi-Gaussian fit of the narrow emission lines. Among them, ten have already been published by other authors, either listed as genuine double-peaked NEL objects or as asymmetric NEL objects, and the remaining ten are original discoveries. We discuss some possible origins for the double-peaked narrow-line features, such as interaction between jet and narrow line regions, interaction with companion galaxies, and black hole binaries. Spatially resolved optical imaging and/ or follow-up observations in other spectral bands are needed to further discuss the physical mechanisms at work.
dc.language.isoen
dc.publisherIOP Publishing
dc.title.enA search for double-peaked narrow emission line galaxies and AGNs in the LAMOST DR1
dc.typeArticle de revue
dc.identifier.doi10.1088/1674-4527/14/10/003
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]
bordeaux.journalResearch in Astronomy and Astrophysics
bordeaux.page1234--1250
bordeaux.volume14
bordeaux.hal.laboratoriesInteractions Soil Plant Atmosphere (ISPA) - UMR 1391*
bordeaux.issue10
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-01441976
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01441976v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Research%20in%20Astronomy%20and%20Astrophysics&rft.date=2014-10&rft.volume=14&rft.issue=10&rft.spage=1234--1250&rft.epage=1234--1250&rft.eissn=1674-4527&rft.issn=1674-4527&rft.au=SHI,%20Zhi-Xin&LUO,%20A-Li&COMTE,%20Georges&CHEN,%20Xiao-Yan&WEI,%20Peng&rft.genre=article


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