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Entries: 1-10  
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Black hole masses of intermediate-redshift quasars: near-infrared spectroscopy
Authors: Dietrich, Matthias; Mathur, Smita; Grupe, Dirk; Komossa, Stefanie
Date of Publication (YYYY-MM-DD): 2009-05-10
Title of Journal: The Astrophysical Journal
Volume: 696
Issue / Number: 2
Start Page: 1998
End Page: 2013
Document Type: Article
ID: 431662.0
 
Full text / Content available
First detection of hard X-ray photons in the soft X-ray transient narrow-line Seyfert 1 galaxy WPVS 007: the X-ray photon distribution observed by Swift
Authors: Grupe, Dirk; Leighly, Karen M.; Komossa, Stefanie
Date of Publication (YYYY-MM-DD): 2008-12
Title of Journal: Astronomical Journal
Volume: 136
Issue / Number: 6
Start Page: 2343
End Page: 2349
Document Type: Article
ID: 400380.0
 
Full text / Content available
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
 
Full text / Content available
Discovery of the narrow-line Seyfert 1 galaxy Markarian 335 in a historical low X-ray flux state
Authors: Grupe, Dirk; Komossa, Stefanie; Gallo, Luigi C.
Date of Publication (YYYY-MM-DD): 2007-10-20
Title of Journal: Astrophysical Journal
Volume: 668
Issue / Number: 2 Part 2
Start Page: L111
End Page: L114
Document Type: Article
ID: 324166.0
 
Full text / Content available
An update on the X-ray transient narrow-line Seyfert 1 galaxy WPVS 007: swift observations of UV variability and persistence of X-ray faintness
Authors: Grupe, Dirk; Schady, Patricia; Leighly, Karen M.; Komossa, Stefanie; O'Brien, Paul T.; Nousek, John A.
Date of Publication (YYYY-MM-DD): 2007-05
Title of Journal: Astronomical Journal
Volume: 133
Issue / Number: 5
Start Page: 1988
End Page: 1994
Document Type: Article
ID: 318977.0
 
Full text / Content available
Swift observations of the highly X-ray variable narrow-line seyfert 1 galaxy RX J0148.3-2758
Authors: Grupe, Dirk; Leighly, Karen M.; Komossa, Stefanie; Schady, Patricia; O'Brien, Paul T.; Burrows, David N.; Nousek, John A.
Date of Publication (YYYY-MM-DD): 2006-09
Title of Journal: Astronomical Journal
Volume: 132
Issue / Number: 3
Start Page: 1189
End Page: 1201
Document Type: Article
ID: 288689.0
 
Full text / Content available
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
 
Full text / Content available
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
 
Full text / Content available
Multiwavelength studies of AGN
Authors: Grupe, Dirk
Place of Publication: Berlin
Publisher: Springer
Date of Publication (YYYY-MM-DD): 2004
Name of Conference/Meeting: oward an International Virtual Observatory
Title of Proceedings: Toward an International Virtual Observatory
Start Page: 283
End Page: 284
Document Type: Conference-Paper
ID: 201551.0
X-ray transient galaxies and AGN
Authors: Grupe, Dirk
Place of Publication: Berlin
Publisher: Springer
Date of Publication (YYYY-MM-DD): 2002
Name of Conference/Meeting: Lighthouses of the Universe : The Most Luminous Celestial Objects and Their Use for Cosmology
Title of Proceedings: Lighthouses of the Universe : The Most Luminous Celestial Objects and Their Use for Cosmology
Start Page: 292
End Page: 294
Title of Series: ESO Astrophysics Symposia
Document Type: Conference-Paper
ID: 14701.0
Entries: 1-10  
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