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Narrow double-peaked emission lines of SDSS J131642.90+175332.5: signature of a single or a binary AGN in a merger, jet-cloud interaction, or unusual narrow-line region geometry
Authors: Xu, Dawei; Komossa, S.
Date of Publication (YYYY-MM-DD): 2009-11-01
Title of Journal: The Astrophysical Journal Letters
Volume: 705
Issue / Number: 1
Start Page: L20
End Page: L24
Document Type: Article
ID: 440042.0


XMM-Newton observations of the narrow-line Seyfert 1 galaxy Mrk 335 in a historical low X-ray flux state
Authors: Grupe, Dirk; Komossa, Stefanie; Gallo, Luigi C.; Fabian, Andrew C.; Larsson, Josefin; Pradhan, Anil K.; Xu, Dawei; Miniutti, Giovanni
Date of Publication (YYYY-MM-DD): 2008-07-10
Title of Journal: The Astrophysical Journal
Volume: 681
Issue / Number: 2
Start Page: 982
End Page: 997
Document Type: Article
ID: 374075.0


The density of the narrow-line region of type 1 active galactic nuclei
Authors: Xu, Dawei; Komossa, Stefanie; Zhou, Hongyan
Place of Publication: Mexico, DF (MEX)
Publisher: UNAM
Date of Publication (YYYY-MM-DD): 2008
Name of Conference/Meeting: The Nuclear Region, Host Galaxy and Environment of Active Galaxies
Title of Proceedings: The Nuclear Region, Host Galaxy and Environment of Active Galaxies
Start Page: 93
End Page: 95
Title of Series: Revista mexicana de astronomia y astrofisica: serie de conferencias
Volume (in Series): 32
Document Type: Conference-Paper
ID: 376780.0


The narrow-line region of narrow-line and broad-line type 1 active galactic nuclei - I. A zone of avoidance in density
Authors: Xu, Dawei; Komossa, Stefanie; Zhou, Hongyan; Wang, Tinggui; Wei, Jianyan
Date of Publication (YYYY-MM-DD): 2007-11-20
Title of Journal: Astrophysical Journal
Volume: 670
Issue / Number: 1 Part 1
Start Page: 60
End Page: 73
Document Type: Article
ID: 335877.0


A narrow-line Seyfert 1-blazar composite nucleus in 2MASX J0324+3410
Authors: Zhou, Hongyan; Wang, Tinggui; Yuan, Weimin; Shan, Hongguang; Komossa, Stefanie; Lu, Honglin; Liu, Yi; Xu, Dawei; Bai, J. M.; Jiang, D. R.
Date of Publication (YYYY-MM-DD): 2007-03-20
Title of Journal: Astrophysical Journal
Volume: 658
Issue / Number: 1 Part 2
Start Page: L13
End Page: L16
Document Type: Article
ID: 313441.0


The relation between the properties of the NLR in narrow-line Seyfert 1 galaxies and the accretion rate
Authors: Xu, Dawei; Komossa, Stefanie
Place of Publication: Cambridge, UK
Publisher: Cambridge University Press
Date of Publication (YYYY-MM-DD): 2007
Name of Conference/Meeting: 238th Symposium of the International Astronomical Union
Title of Proceedings: Black Holes from Stars to Galaxies - Across the Range of Masses
Start Page: 473
End Page: 474
Title of Series: IAU Symposium and Colloquium Proceedings Series
Volume (in Series): IAU Symposium 238
Document Type: Conference-Paper
ID: 319749.0


Radio-loud narrow-line type 1 quasars
Authors: Komossa, Stefanie; Voges, Wolfgang; Xu, Dawei; Mathur, Smita; Adorf, Hans-Martin; Lemson, Gerard; Duschl, Wolfgang J.; Grupe, Dirk
Date of Publication (YYYY-MM-DD): 2006-08
Title of Journal: Astronomical Journal
Volume: 132
Issue / Number: 2
Start Page: 531
End Page: 545
Document Type: Article
ID: 287048.0


Radio-loud narrow-line type 1 quasars
Authors: Komossa, Stefanie; Voges, Wolfgang; Xu, Dawei; Mathur, Smita; Adorf, Hans-Martin; Lemson, Gerard; Duschl, Wolfgang J.; Grupe, Dirk
Date of Publication (YYYY-MM-DD): 2006-08
Title of Journal: Astronomical Journal
Volume: 132
Issue / Number: 2
Start Page: 531
End Page: 545
Document Type: Article
ID: 287055.0


The radio-loud narrow-line quasar SDSS J172206.03+565451.6
Authors: Komossa, Stefanie; Voges, Wolfgang; Adorf, Hans-Martin; Xu, Dawei; Mathur, Smita; Anderson, Scott F.
Date of Publication (YYYY-MM-DD): 2006-03-10
Title of Journal: Astrophysical Journal
Volume: 639
Issue / Number: 2 Part 1
Start Page: 710
End Page: 715
Document Type: Article
ID: 261161.0


Absorption components in the nucleus of NGC 3227
Authors: Xu, Dawei; Komossa, Stefanie; Burwitz, Vadim; Predehl, Peter
Place of Publication: Ann Arbor, MI, USA
Publisher: International Astronomical Union
Date of Publication (YYYY-MM-DD): 2004
Name of Conference/Meeting: Recycling Intergalactic and Interstellar Matter
Title of Proceedings: Recycling Intergalactic and Interstellar Matter
Start Page: 362
End Page: 363
Title of Series: Proceedings of the Symposium of the IAU
Volume (in Series): 217
Document Type: Conference-Paper
ID: 202278.0