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NATURE, ISSN 0028-0836, 09/2008, Volume 455, Issue 7211, pp. 369 - 371
Active galactic nuclei and quasars are thought to be scaled- up versions of Galactic black hole binaries, powered by accretion onto supermassive black holes... 
RED NOISE | MULTIDISCIPLINARY SCIENCES | MASS | GALACTIC NUCLEI | SEYFERT-1 GALAXIES | SPECTRUM
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
by Wang, J and Xu, DW and Wang, Y and Zhang, JB and Zheng, J and Wei, JY
ASTROPHYSICAL JOURNAL, ISSN 0004-637X, 12/2019, Volume 887, Issue 1, p. 15
We report a spectroscopic identification of two new changing-look active galactic nuclei (CL-AGNs): SDSS J104705.16+544405.8 and SDSS J120447.91+170256.8, both... 
VARIABILITY | LUMINOSITY | MASSES | QUASARS | EVOLUTION | MODELS | ASTRONOMY & ASTROPHYSICS | SIZE | ACCRETION | SEYFERT-1 GALAXIES | EMISSION
Journal Article
ASTROPHYSICAL JOURNAL, ISSN 0004-637X, 02/2013, Volume 764, Issue 2
Journal Article
Nature, ISSN 0028-0836, 05/2009, Volume 459, Issue 7246, pp. 540 - 542
Since the 1995 discovery of the broad iron K-line emission from the Seyfert galaxy MCG-6-30-15 (ref. 1), broad iron K lines have been found in emission from... 
REFLECTION | MULTIDISCIPLINARY SCIENCES | X-RAY VARIABILITY | BINARIES | NARROW-LINE | SEYFERT-1 GALAXY-1H-0707-495 | GALACTIC NUCLEI | BLACK-HOLE | SPECTRA | DISK | 1H-0707-495 | Iron - analysis | Iron - chemistry | Extraterrestrial Environment - chemistry | Iron | Chemical properties | Galaxies | Observations | Black holes | Stars & galaxies | Astronomy
Journal Article
ASTROPHYSICAL JOURNAL LETTERS, ISSN 2041-8205, 11/2019, Volume 885, Issue 1
The properties of low-mass galaxies hosting central black holes provide clues about the formation and evolution of the progenitors of supermassive black holes.... 
ACTIVE GALACTIC NUCLEI | SEYFERT-1 GALAXY | ASTRONOMY & ASTROPHYSICS | STELLAR | EMISSION | VIEW | BLACK-HOLES
Journal Article
ASTROPHYSICAL JOURNAL, ISSN 0004-637X, 12/2019, Volume 887, Issue 2, p. 245
We present a new relationship between central black hole (BH) mass and host galaxy stellar bulge mass extending to the lowest BH masses known in dwarf galaxies... 
BROAD-LINE REGION | LUMINOSITY | EVOLUTION | SEYFERT-1 GALAXY | ASTRONOMY & ASTROPHYSICS | AGN | DECOMPOSITION | STELLAR | CLASSIFICATION | SIMULATION | GIANT BRANCH STARS
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, 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
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2013, Volume 428, Issue 4, pp. 2901 - 2920
We present an X-ray spectral analysis of a large sample of 25 'bare' active galactic nuclei (AGN), sources with little or no complicating intrinsic absorption,... 
galaxies: active | Black hole physics | X-RAY REFLECTION | XMM-NEWTON OBSERVATION | BLACK-HOLE SPIN | ABSORPTION ORIGIN | LINE SEYFERT-1 GALAXY-1H-0707-495 | ACCRETION DISK | SPECTRAL PROPERTIES | BROAD IRON LINES | RADIO GALAXIES | black hole physics | 1H 0707-495 | ASTRONOMY & ASTROPHYSICS
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2012, Volume 420, Issue 3, pp. 1848 - 1860
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, 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
Astrophysical Journal, ISSN 0004-637X, 03/2018, Volume 855, Issue 2, p. 120
The relativistically broadened reflection spectrum, observed in both AGN and X-ray binaries, has proven to be a powerful probe of the properties of black holes... 
accretion | galaxies: Seyfert | black hole physics | galaxies: active | X-rays: galaxies | galaxies: nuclei | accretion disks | X-RAY REFLECTION | SPIN | accretion, accretion disks | EMISSION-LINE | LINE SEYFERT-1 GALAXY-1H-0707-495 | ACCRETION DISK | MCG-6-30-15 | ACTIVE GALACTIC NUCLEI | FLUORESCENCE | SPECTROSCOPY | ASTRONOMY & ASTROPHYSICS | REVERBERATION
Journal Article
ASTROPHYSICAL JOURNAL, ISSN 0004-637X, 10/2019, Volume 884, Issue 2, p. 180
We investigate the lowest-mass quiescent galaxies known to exist in isolated environments (M* = 10(9.0-9.5) M-circle dot; 1.5 Mpc from a more massive galaxy).... 
STAR-FORMATION HISTORIES | UNCERTAINTIES | galaxies: evolution | SEYFERT-1 GALAXY | HOST GALAXIES | CLASSIFICATION | BLACK-HOLES | galaxies: dwarf | SDSS-IV MANGA | EVOLUTION | galaxies: active | ASTRONOMY & ASTROPHYSICS | STELLAR | FEEDBACK
Journal Article
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
Astronomy and Astrophysics, ISSN 0004-6361, 08/2006, Volume 455, Issue 2, pp. 773 - 777
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