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MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 12/2019, Volume 490, Issue 3, pp. 3936 - 3951
We present the results of a 2 yr optical continuum photometric reverberation mapping campaign carried out on the nucleus of the Seyfert-1 galaxy Mrk509.... 
BROAD-LINE REGION | LUMINOSITY | galaxies: Seyfert | SIZE | BLACK-HOLES | VARIABILITY | galaxies: individual: Mrk509 | QUASARS | ACTIVE GALACTIC NUCLEI | ACCRETION DISC | galaxies: active | galaxies: distances and redshifts | ASTRONOMY & ASTROPHYSICS | X-RAY | quasars: supermassive black holes | EMISSION | Physics - Astrophysics of Galaxies
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 11/2006, Volume 459, Issue 1, pp. 55 - 69
Context. Spatially resolved emission-line spectroscopy is a powerful tool for determining the physical conditions in the narrow-line region (NLR) of active... 
Galaxies: nuclei | Galaxies: active | Galaxies: Seyfert | galaxies : nuclei | SPACE-TELESCOPE SURVEY | EMISSION-LINE | EXTENDED GAS | BROAD-LINE | WATER-MEGAMASER GALAXIES | ACTIVE GALACTIC NUCLEI | BLACK-HOLE MASS | ASTRONOMY & ASTROPHYSICS | O-III LAMBDA-5007 | NEAR-INFRARED SPECTROSCOPY | PHOTOIONIZATION MODELS | galaxies : active | galaxies : Seyfert
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 07/2010, Volume 518, Issue 22, p. A10
Aims. This catalogue is aimed at presenting a compilation of all known AGN in a compact and convenient form, and we hope that it will be useful to all workers... 
Galaxies: Seyfert | Quasars: general | BL Lacertae objects: general | quasars: general | galaxies: Seyfert | GRAVITATIONALLY LENSED QUASAR | ADAPTIVE OPTICS | SPECTROSCOPY | LINE SEYFERT-1 GALAXIES | DIGITAL SKY SURVEY | ASTRONOMY & ASTROPHYSICS | 1ST SURVEY | LENSING GALAXY | QSO REDSHIFT SURVEY | STELLAR OBJECTS | DATA RELEASE | galaxies | general | quasars | Seyfert
Journal Article
ASTROPHYSICAL JOURNAL, ISSN 0004-637X, 06/2010, Volume 716, Issue 1, pp. 269 - 280
To investigate the black hole mass versus stellar velocity dispersion (M-BH-sigma(*)) relation of active galaxies, we measured the velocity dispersions of a... 
BROAD-LINE REGION | galaxies: Seyfert | STELLAR VELOCITY DISPERSION | COSMOLOGICAL EVOLUTION | HOST GALAXIES | BLACK-HOLE MASSES | FIELD SPECTROGRAPH | galaxies: active | COSMIC EVOLUTION | ASTRONOMY & ASTROPHYSICS | ADAPTIVE OPTICS SYSTEM | GALACTIC NUCLEI | galaxies: kinematics and dynamics | SEYFERT-1 GALAXIES | galaxies: nuclei
Journal Article
ASTROPHYSICAL JOURNAL, ISSN 0004-637X, 02/2013, Volume 764, Issue 2
Journal Article
ASTROPHYSICAL JOURNAL, ISSN 0004-637X, 09/2011, Volume 739, Issue 1
We present new measurements of stellar velocity dispersions, using spectra obtained with the Keck Echellette Spectrograph and Imager (ESI) and the Magellan... 
galaxies: Seyfert | VELOCITY DISPERSION CORRELATION | HOST GALAXIES | EMISSION-LINE | RADIUS-LUMINOSITY RELATIONSHIP | galaxies: dwarf | galaxies: active | LINE SEYFERT-1 GALAXIES | GASEOUS KINEMATICS | BLACK-HOLE MASS | DIGITAL SKY SURVEY | ASTRONOMY & ASTROPHYSICS | BH-SIGMA RELATION | GALACTIC NUCLEI | galaxies: nuclei
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 08/2006, Volume 455, Issue 2, pp. 773 - 777
Journal Article
ASTRONOMY & ASTROPHYSICS, ISSN 0004-6361, 07/1991, Volume 247, Issue 1, pp. 25 - 34
Ginga observations of several bright Seyfert 1 galaxies have recently revealed the presence in their X-ray spectra of both the iron K fluorescence line and a... 
VARIABILITY | QUASARS | NUCLEI | X-RAYS, SPECTROSCOPY | GALAXIES, SEYFERT | ASTRONOMY & ASTROPHYSICS | BINARIES | ULTRAVIOLET EXCESS | ABSORPTION | SPECTRA | LINES, PROFILE | DISK | FLUORESCENCE LINE
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2012, Volume 422, Issue 1, pp. 129 - 134
Recent X-ray observations have enabled the study of reverberation delays in active galactic nuclei (AGN) for the first time. All the detections so far are in... 
galaxies: Seyfert | X‐rays: galaxies | galaxies: nuclei | galaxies: active | Galaxies: nuclei | Galaxies: active | X-rays: galaxies | Galaxies: Seyfert | NGC-4151 | LAGS | SPECTRAL VARIABILITY | ACCRETION DISKS | REGION | 1H 0707-495 | BLACK-HOLE MASS | ASTRONOMY & ASTROPHYSICS | LINE | SEYFERT-1 GALAXIES | Iron | Astronomy | X-rays | Stars & galaxies | X ray astronomy
Journal Article
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 11/1995, Volume 277, Issue 1, pp. L11 - L15
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 01/2010, Volume 708, Issue 1, pp. 137 - 157
Journal Article
The Astrophysical Journal Supplement Series, ISSN 0067-0049, 03/2010, Volume 187, Issue 1, pp. 64 - 106
We report Swift observations of a sample of 92 bright soft X-ray selected active galactic nuclei (AGNs). This sample represents the largest number of AGNs... 
Galaxies: active | COMPLETE SAMPLE | WARM ABSORBER | galaxies: active | LINE SEYFERT-1 GALAXIES | BLACK-HOLE MASS | DIGITAL SKY SURVEY | ASTRONOMY & ASTROPHYSICS | FLUX STATE | EMISSION-LINE | ACCRETION DISKS | XMM-NEWTON | RADIUS-LUMINOSITY RELATIONSHIP
Journal Article
ASTROPHYSICAL JOURNAL LETTERS, ISSN 2041-8205, 08/2015, Volume 809, Issue 1
Scaling relations between black hole (BH) masses and their host galaxy properties have been studied extensively over the last two decades, and point toward... 
LUMINOSITY | SEYFERT-1 GALAXY | HOST GALAXIES | DWARF GALAXIES | EMISSION-LINE | galaxies: dwarf | ACTIVE GALACTIC NUCLEI | SCALING RELATIONS | galaxies: active | GALAXY HENIZE 2-10 | DIGITAL SKY SURVEY | ASTRONOMY & ASTROPHYSICS | quasars: supermassive black holes | RADIO-EMISSION
Journal Article
ASTROPHYSICAL JOURNAL, ISSN 0004-637X, 12/2009, Volume 707, Issue 2, pp. 1334 - 1346
We investigate the relationship between the linewidths of broad Mg II lambda 2800 and H beta in active galactic nuclei (AGNs) to refine them as tools to... 
INTRINSIC SCATTER | quasars: emission lines | quasars: general | VELOCITY DISPERSION | HOST-GALAXY STARLIGHT | HIGH-REDSHIFT QUASARS | EDDINGTON RATIO | RADIUS-LUMINOSITY RELATIONSHIP | ASTRONOMICAL DATA | black hole physics | galaxies: active | DIGITAL SKY SURVEY | ASTRONOMY & ASTROPHYSICS | SEYFERT-1 GALAXIES | RADIATION PRESSURE
Journal Article
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 07/2017, Volume 468, Issue 3, pp. 3489 - 3498
Ark 564 is an archetypal narrow-line Seyfert 1 that has been well observed in soft X-rays from 0.3-10 keV, revealing a steep spectrum, strong soft excess, iron... 
MRK 335 | TIME-LAGS | X-rays: individual: Ark 564 | ACCRETION DISK | SUPERMASSIVE BLACK-HOLE | black hole physics | ACTIVE GALACTIC NUCLEI | galaxies: active | LINE SEYFERT-1 GALAXIES | 1H 0707-495 | ASTRONOMY & ASTROPHYSICS | X-RAY REVERBERATION | IRON-K | XMM-NEWTON
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 04/2018, Volume 475, Issue 2, pp. 2045 - 2050
The hard X-ray emission observed in accreting compact sources is believed to be produced by inverse Compton scattering of soft photons arising from the... 
Relativistic processes | X-rays: binaries | X-rays: galaxies | Galaxies: Seyfert | Black hole physics | galaxies: Seyfert | LAGS | NUSTAR ERA | relativistic processes | black hole physics | ASTRONOMY & ASTROPHYSICS | LINE | AGN CORONAE | SEYFERT-1 GALAXIES | EMISSION | REVERBERATION
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 02/2006, Volume 365, Issue 4, pp. 1067 - 1081
ABSTRACT We present a large sample of type 1 active galactic nuclei (AGN) spectra taken with XMM–Newton, and fit them with both the conventional model (a power... 
X‐rays: galaxies | galaxies: active | accretion, accretion discs | Galaxies: active | Accretion, accretion discs | X-rays: galaxies | MODEL | X-rays : galaxies | ACCRETION DISK | MCG-6-30-15 | REFLECTION | LINE SEYFERT-1 GALAXIES | ASTRONOMY & ASTROPHYSICS | MASSIVE BLACK-HOLE | ABSORPTION | EMISSION | PG-1404+226 | galaxies : active | XMM-NEWTON | Stars & galaxies | Astronomy | X rays
Journal Article