Unabsorbed Seyfert 2 galaxies
A&A, 394 2 (2002) 435-442
Published online: 2002-10-15
Articles citing this article
The Citing articles tool gives a list of articles citing the current article.
The citing articles come from EDP Sciences database, as well as other publishers participating in CrossRef Cited-by Linking Program. You can set up your personal account to receive an email alert each time this article is cited by a new article (see the menu on the right-hand side of the abstract page).
Cited article:
This article has been cited by the following article(s):
THE OPTX PROJECT. III. X-RAY VERSUS OPTICAL SPECTRAL TYPE FOR ACTIVE GALACTIC NUCLEI
L. Trouille, A. J. Barger, L. L. Cowie, Y. Yang and R. F. MushotzkyThe Astrophysical Journal 703 (2) 2160 (2009)
https://doi.org/10.1088/0004-637X/703/2/2160
FITTING LINER NUCLEI WITHIN THE ACTIVE GALACTIC NUCLEUS FAMILY: A MATTER OF OBSCURATION?
O. González-Martín, J. Masegosa, I. Márquez and M. GuainazziThe Astrophysical Journal 704 (2) 1570 (2009)
https://doi.org/10.1088/0004-637X/704/2/1570
The anticorrelation between the hard X-ray photon index and the Eddington ratio in low-luminosity active galactic nuclei
Minfeng Gu and Xinwu CaoMonthly Notices of the Royal Astronomical Society 399 (1) 349 (2009)
https://doi.org/10.1111/j.1365-2966.2009.15277.x
Unabsorbed Seyfert 2 galaxies: the case of ‘naked’ AGN
F. Panessa, F. J. Carrera, S. Bianchi, et al.Monthly Notices of the Royal Astronomical Society 398 (4) 1951 (2009)
https://doi.org/10.1111/j.1365-2966.2009.15225.x
XMM-NEWTONOBSERVATIONS OF A COMPLETE SAMPLE OF OPTICALLY SELECTED TYPE 2 SEYFERT GALAXIES
Stephanie M. LaMassa, Timothy M. Heckman, Andrew Ptak, et al.The Astrophysical Journal 705 (1) 568 (2009)
https://doi.org/10.1088/0004-637X/705/1/568
X-ray absorption and reflection in active galactic nuclei
T. J. Turner and L. MillerThe Astronomy and Astrophysics Review 17 (1) 47 (2009)
https://doi.org/10.1007/s00159-009-0017-1
The XMM-Newton wide-field survey in the COSMOS field
N. Cappelluti, M. Brusa, G. Hasinger, et al.Astronomy & Astrophysics 497 (2) 635 (2009)
https://doi.org/10.1051/0004-6361/200810794
Absorption properties and evolution of active galactic nuclei
G. HasingerAstronomy & Astrophysics 490 (3) 905 (2008)
https://doi.org/10.1051/0004-6361:200809839
Understanding the AGN‐Host Connection in Partially Obscured Active Galactic Nuclei. I. The Nature of AGN+HiiComposites
J. Wang and J. Y. WeiThe Astrophysical Journal 679 (1) 86 (2008)
https://doi.org/10.1086/587048
The toroidal obscuration of active galactic nuclei
Moshe ElitzurNew Astronomy Reviews 52 (6) 274 (2008)
https://doi.org/10.1016/j.newar.2008.06.010
The mid IR – hard X-ray correlation in AGN and its implications for dusty torus models
H. Horst, P. Gandhi, A. Smette and W. J. DuschlAstronomy & Astrophysics 479 (2) 389 (2008)
https://doi.org/10.1051/0004-6361:20078548
Unveiling the nature ofINTEGRALobjects through optical spectroscopy
N. Masetti, E. Mason, L. Morelli, et al.Astronomy & Astrophysics 482 (1) 113 (2008)
https://doi.org/10.1051/0004-6361:20079332
Nuclear Activity in Nearby Galaxies
Luis C. HoAnnual Review of Astronomy and Astrophysics 46 (1) 475 (2008)
https://doi.org/10.1146/annurev.astro.45.051806.110546
Feedback of Active Galactic Nuclei in Seyfert 2 Galaxies
En-Peng Zhang, Wei-Hao Bian, Chen Hu, et al.Chinese Journal of Astronomy and Astrophysics 8 (5) 537 (2008)
https://doi.org/10.1088/1009-9271/8/5/04
Nuclear/Circumnuclear Starbursts and Active Galactic Nucleus Mass Accretion in Seyfert Galaxies
Yasuyuki Watabe, Nozomu Kawakatu and Masatoshi ImanishiThe Astrophysical Journal 677 (2) 895 (2008)
https://doi.org/10.1086/528933
NGC 3147: a ‘true’ type 2 Seyfert galaxy without the broad-line region
S. Bianchi, A. Corral, F. Panessa, et al.Monthly Notices of the Royal Astronomical Society 385 (1) 195 (2008)
https://doi.org/10.1111/j.1365-2966.2007.12625.x
On the nature of unabsorbed Seyfert 2 galaxies
Murray Brightman and Kirpal NandraMonthly Notices of the Royal Astronomical Society 390 (3) 1241 (2008)
https://doi.org/10.1111/j.1365-2966.2008.13841.x
The AGN Nature of 11 out of 12Swift/RXTEUnidentified Sources through Optical and X‐Ray Spectroscopy
R. Landi, N. Masetti, L. Morelli, et al.The Astrophysical Journal 669 (1) 109 (2007)
https://doi.org/10.1086/521208
The Eddington Ratios in Seyfert 2 Galaxies with and without Hidden Broad‐Line Regions
W. Bian and Q. GuThe Astrophysical Journal 657 (1) 159 (2007)
https://doi.org/10.1086/510708
Obscured and unobscured AGN populations in a hard-X-ray selected sample of the XMDS survey
M. Tajer, M. Polletta, L. Chiappetti, et al.Astronomy & Astrophysics 467 (1) 73 (2007)
https://doi.org/10.1051/0004-6361:20066667
The XMM large scale structure survey: optical vs. X-ray classifications of active galactic nuclei and the unified scheme
O. Garcet, P. Gandhi, E. Gosset, et al.Astronomy & Astrophysics 474 (2) 473 (2007)
https://doi.org/10.1051/0004-6361:20077778
Investigating the Nuclear Obscuration in Two Types of Seyfert 2 Galaxies
X. W. Shu, J. X. Wang, P. Jiang, L. L. Fan and T. G. WangThe Astrophysical Journal 657 (1) 167 (2007)
https://doi.org/10.1086/510579
The Unified Model of Active Galactic Nuclei. II. Evolutionary Connection
Jian‐Min Wang and En‐Peng ZhangThe Astrophysical Journal 660 (2) 1072 (2007)
https://doi.org/10.1086/513685
ChandraObservations of Candidate “True” Seyfert 2 Nuclei
Himel Ghosh, Richard W. Pogge, Smita Mathur, Paul Martini and Joseph C. ShieldsThe Astrophysical Journal 656 (1) 105 (2007)
https://doi.org/10.1086/510421
The luminous infrared composite Seyfert 2 galaxy NGC 7679 through the [O III] λ 5007 emission line
I. M. Yankulova, V. K. Golev and K. JockersAstronomy & Astrophysics 469 (3) 891 (2007)
https://doi.org/10.1051/0004-6361:20077440
SwiftXRT Observation of 34 NewINTEGRALIBIS AGNs: Discovery of Compton‐Thick and Other Peculiar Sources
A. Malizia, R. Landi, L. Bassani, et al.The Astrophysical Journal 668 (1) 81 (2007)
https://doi.org/10.1086/520874
Connecting Galaxy Evolution, Star Formation, and the Cosmic X‐Ray Background
D. R. Ballantyne, J. E. Everett and N. MurrayThe Astrophysical Journal 639 (2) 740 (2006)
https://doi.org/10.1086/499558
On the X-ray, optical emission line and black hole mass properties of local Seyfert galaxies
F. Panessa, L. Bassani, M. Cappi, et al.Astronomy & Astrophysics 455 (1) 173 (2006)
https://doi.org/10.1051/0004-6361:20064894
The Many Scales in the Universe
X. BarconsThe Many Scales in the Universe 87 (2006)
https://doi.org/10.1007/1-4020-4526-3_7
X-ray spectral survey with XMM–Newton of a complete sample of nearby Seyfert galaxies
M. Cappi, F. Panessa, L. Bassani, et al.Astronomy & Astrophysics 446 (2) 459 (2006)
https://doi.org/10.1051/0004-6361:20053893
XMM-Newton and Chandra observations of SHEEP sources
I. Georgantopoulos, K. Nandra, M. Brotherton, et al.Monthly Notices of the Royal Astronomical Society 367 (4) 1727 (2006)
https://doi.org/10.1111/j.1365-2966.2006.10088.x
The Unified Model of Active Galactic Nuclei. I. Non–Hidden Broad‐Line Region Seyfert 2 and Narrow‐Line Seyfert 1 Galaxies
En‐Peng Zhang and Jian‐Min WangThe Astrophysical Journal 653 (1) 137 (2006)
https://doi.org/10.1086/506515
NGC 7679: an anomalous, composite Seyfert 1 galaxy whose X-ray luminous AGN vanishes at optical wavelengths
L. M. Buson, M. Cappellari, E. M. Corsini, et al.Astronomy & Astrophysics 447 (2) 441 (2006)
https://doi.org/10.1051/0004-6361:20053204
IN TEG R AL IBIS Extragalactic Survey: Active Galactic Nuclei Selected at 20-100 keV
L. Bassani, M. Molina, A. Malizia, et al.The Astrophysical Journal 636 (2) L65 (2006)
https://doi.org/10.1086/500132
Unveiling the nature of INTEGRAL objects through optical spectroscopy
N. Masetti, L. Bassani, A. Bazzano, et al.Astronomy & Astrophysics 455 (1) 11 (2006)
https://doi.org/10.1051/0004-6361:20065111
The K-band properties of Seyfert 2 galaxies
Z. Peng, Q. Gu, J. Melnick and Y. ZhaoAstronomy & Astrophysics 453 (3) 863 (2006)
https://doi.org/10.1051/0004-6361:20054664
XMM--Newton observations of bright ROSAT selected active galactic nuclei with low intrinsic absorption
L. C. Gallo, I. Lehmann, W. Pietsch, et al.Monthly Notices of the Royal Astronomical Society 365 (2) 688 (2006)
https://doi.org/10.1111/j.1365-2966.2005.09755.x
The HELLAS2XMM Survey. VII. The Hard X‐Ray Luminosity Function of AGNs up toz= 4: More Absorbed AGNs at Low Luminosities and High Redshifts
F. La Franca, F. Fiore, A. Comastri, et al.The Astrophysical Journal 635 (2) 864 (2005)
https://doi.org/10.1086/497586
XMM-Newton spectral properties of the ultraluminous IRAS galaxy Mrk 273
I. Balestra, Th. Boller, L. Gallo, D. Lutz and S. HessAstronomy & Astrophysics 442 (2) 469 (2005)
https://doi.org/10.1051/0004-6361:20053558
Unobscured QSO 2: a new class of objects?
A. Wolter, I. M. Gioia, J. P. Henry and C. R. MullisAstronomy & Astrophysics 444 (1) 165 (2005)
https://doi.org/10.1051/0004-6361:20053441
Hard X‐Ray–emitting Active Galactic Nuclei Selected by theChandraMultiwavelength Project
J. D. Silverman, P. J. Green, W. A. Barkhouse, et al.The Astrophysical Journal 618 (1) 123 (2005)
https://doi.org/10.1086/425895
X-ray spectra of XMM-Newton serendipitous medium flux sources
S. Mateos, X. Barcons, F. J. Carrera, et al.Astronomy & Astrophysics 433 (3) 855 (2005)
https://doi.org/10.1051/0004-6361:20041340
XMM-Newton observations of the Lockman Hole IV: spectra of the brightest AGN
S. Mateos, X. Barcons, F. J. Carrera, et al.Astronomy & Astrophysics 444 (1) 79 (2005)
https://doi.org/10.1051/0004-6361:20052881
A search for changing-look AGN in the Grossan catalog
S. Bianchi, M. Guainazzi, G. Matt, et al.Astronomy & Astrophysics 442 (1) 185 (2005)
https://doi.org/10.1051/0004-6361:20053389
The Nature of Composite Seyfert/Star‐forming Galaxies Revealed by X‐Ray Observations
Francesca Panessa, Anna Wolter, Silvia Pellegrini, et al.The Astrophysical Journal 631 (2) 707 (2005)
https://doi.org/10.1086/432569
Simultaneous X-ray and optical spectroscopy of the Seyfert galaxy Mrk 993
A. Corral, X. Barcons, F. J. Carrera, M. T. Ceballos and S. MateosAstronomy & Astrophysics 431 (1) 97 (2005)
https://doi.org/10.1051/0004-6361:20041690
XMM-Newtonspectra of hard spectrumRosatAGN: X-ray absorption and optical reddening
F. J. Carrera, M. J. Page and J. P. D. MittazAstronomy & Astrophysics 420 (1) 163 (2004)
https://doi.org/10.1051/0004-6361:20035683
Astrophysics in 2003
Virginia Trimble and Markus J. AschwandenPublications of the Astronomical Society of the Pacific 116 (817) 187 (2004)
https://doi.org/10.1086/383241
The XMM-NewtonHBS28 sample: Studying the obscuration in hard X-ray selected AGNs
A. Caccianiga, P. Severgnini, V. Braito, et al.Astronomy & Astrophysics 416 (3) 901 (2004)
https://doi.org/10.1051/0004-6361:20034148
Exploring the X-ray sky with the XMM-Newton bright serendipitous survey
R. Della Ceca, T. Maccacaro, A. Caccianiga, et al.Astronomy & Astrophysics 428 (2) 383 (2004)
https://doi.org/10.1051/0004-6361:20040252
Supermassive Black Holes in the Distant Universe
Guido Risaliti and Martin ElvisAstrophysics and Space Science Library, Supermassive Black Holes in the Distant Universe 308 187 (2004)
https://doi.org/10.1007/978-1-4020-2471-9_6
Follow‐UpHubble Space Telescope/Space Telescope Imaging Spectroscopy of Three Candidate Tidal Disruption Events
S. Gezari, J. P. Halpern, S. Komossa, D. Grupe and K. M. LeighlyThe Astrophysical Journal 592 (1) 42 (2003)
https://doi.org/10.1086/375553
ChandraObservations of NGC 4698: A Seyfert 2 Galaxy with No Absorption
I. Georgantopoulos and A. ZezasThe Astrophysical Journal 594 (2) 704 (2003)
https://doi.org/10.1086/377120
AnXMM‐NewtonandChandraInvestigation of the Nuclear Accretion in the Sombrero Galaxy (NGC 4594)
S. Pellegrini, A. Baldi, G. Fabbiano and D.‐W. KimThe Astrophysical Journal 597 (1) 175 (2003)
https://doi.org/10.1086/378235
On the Nature of Low‐Luminosity Narrow‐Line Active Galactic Nuclei
Ari LaorThe Astrophysical Journal 590 (1) 86 (2003)
https://doi.org/10.1086/375008
AChandraSurvey of the Nearest Ultraluminous Infrared Galaxies: Obscured Active Galactic Nuclei or Superstarbursts?
A. Ptak, T. Heckman, N. A. Levenson, K. Weaver and D. StricklandThe Astrophysical Journal 592 (2) 782 (2003)
https://doi.org/10.1086/375766
H1320+551: a type 1.8/1.9 Seyfert galaxy with an unabsorbed X-ray spectrum
X. Barcons, F. J. Carrera and M. T. CeballosMonthly Notices of the Royal Astronomical Society 339 (3) 757 (2003)
https://doi.org/10.1046/j.1365-8711.2003.06238.x
Changing look: from Compton-thick to Compton-thin, or the rebirth of fossil active galactic nuclei
G. Matt, M. Guainazzi and R. MaiolinoMonthly Notices of the Royal Astronomical Society 342 (2) 422 (2003)
https://doi.org/10.1046/j.1365-8711.2003.06539.x
On the origin of the X-ray emission from a narrow-line radio quasar at z > 1
X. Barcons, R. Carballo, F. J. Carrera, et al.Monthly Notices of the Royal Astronomical Society 343 (1) 137 (2003)
https://doi.org/10.1046/j.1365-8711.2003.06652.x