Articles

Search Articles

Advanced search
Help

Catalogue

Articles

Databases

X
Search Filters
Format Format
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
astronomy & astrophysics (42) 42
galaxies: active (41) 41
active galactic nuclei (40) 40
astrophysics (37) 37
astrophysics - astrophysics of galaxies (35) 35
cosmology and extragalactic astrophysics (32) 32
high energy astrophysical phenomena (31) 31
galaxy astrophysics (30) 30
quasars: general (30) 30
galaxies: nuclei (25) 25
astrophysics - cosmology and nongalactic astrophysics (19) 19
galaxies (19) 19
physics - astrophysics of galaxies (19) 19
astrophysics - high energy astrophysical phenomena (18) 18
black holes (18) 18
luminosity (17) 17
digital sky survey (16) 16
quasars (16) 16
emission (13) 13
supermassive black-holes (12) 12
host galaxies (11) 11
red shift (10) 10
solar and stellar astrophysics (10) 10
black hole physics (9) 9
galaxies: seyfert (9) 9
physics - cosmology and nongalactic astrophysics (9) 9
quasars: emission lines (8) 8
spectral energy-distributions (8) 8
star-forming galaxies (8) 8
x-rays: galaxies (8) 8
galaxies: evolution (7) 7
near-infrared spectroscopy (7) 7
star & galaxy formation (7) 7
accretion (6) 6
accretion disks (6) 6
astrophysics, cosmology and astronomy (6) 6
data release (6) 6
digital-sky-survey (6) 6
earth and planetary astrophysics (6) 6
high-redshift (6) 6
mass (6) 6
quasars: supermassive black holes (6) 6
seyfert-galaxies (6) 6
stars & galaxies (6) 6
black-hole mass (5) 5
infrared: galaxies (5) 5
star-formation (5) 5
x-ray (5) 5
black-hole growth (4) 4
black-holes (4) 4
emission-line (4) 4
evolution (4) 4
galaxies: luminosity function, mass function (4) 4
galaxy nuclei (4) 4
general (4) 4
physics - high energy astrophysical phenomena (4) 4
spectra (4) 4
spectroscopy (4) 4
star formation (4) 4
stellar mass (4) 4
supernovae (4) 4
accretion rate (3) 3
accretion, accretion discs (3) 3
active - galaxies (3) 3
active; galaxies: nuclei; quasars: general [black hole physics; galaxies] (3) 3
astronomy (3) 3
asymptotic properties (3) 3
bolometers (3) 3
broad-line region (3) 3
catalogs (3) 3
comparative evaluations (3) 3
correlation analysis (3) 3
deep field-south (3) 3
feedback (3) 3
galaxies : active (3) 3
galaxies: star formation (3) 3
growth-rate (3) 3
multidisciplinary sciences (3) 3
natural history (3) 3
physical properties (3) 3
physics (3) 3
physics - earth and planetary astrophysics (3) 3
physics - instrumentation and methods for astrophysics (3) 3
physics - solar and stellar astrophysics (3) 3
quasar luminosity function (3) 3
quasars : emission lines (3) 3
quasi-stellar objects (3) 3
searching (3) 3
similar-to 2 (3) 3
star-formation rate (3) 3
stars (3) 3
ultraviolet radiation (3) 3
universe (3) 3
x-rays: general (3) 3
115 astronomy, space science (2) 2
7th data release (2) 2
[ phys.astr ] physics [physics]/astrophysics [astro-ph] (2) 2
[phys.astr]physics [physics]/astrophysics [astro-ph] (2) 2
accretion discs (2) 2
accretion, accretion disks (2) 2
more...
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


1. Full Text The most massive active black holes at z ∼ 1.5-3.5 have high spins and radiative efficiencies
by Trakhtenbrot, Benny
Astrophysical Journal Letters, ISSN 2041-8205, 07/2014, Volume 789, Issue 1
ApJ, 789, L9 (2014) The radiative efficiencies ($\eta$) of 72 luminous unobscured Active Galactic Nuclei (AGNs) at $z\sim1.5-3.5$, powered by some of the most... 
quasars: general | black hole physics | galaxies: nuclei | galaxies: active | LUMINOSITY | RANDOMNESS | BOLOMETERS | QUASARS | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | SPIN | MASS | GALAXIES | ACCRETION DISKS | EFFICIENCY | BLACK HOLES | GALAXY NUCLEI
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
2. Full Text THE MOST MASSIVE ACTIVE BLACK HOLES ATz∼ 1.5-3.5 HAVE HIGH SPINS AND RADIATIVE EFFICIENCIES
by Trakhtenbrot, Benny
The Astrophysical Journal, ISSN 2041-8205, 06/2014, Volume 789, Issue 1, p. L9
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
3. Full Text Black hole growth to z=2-I. Improved virial methods for measuring M-BH and L/L-Edd
by Trakhtenbrot, B and Netzer, H
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 12/2012, Volume 427, Issue 4, pp. 3081 - 3102
We analyse several large samples of active galactic nuclei (AGNs) in order to establish the best tools required to study the evolution of black hole mass... 
BROAD-LINE REGION | SURVEY DATA RELEASE-3 | quasars: emission lines | quasars: general | 7TH DATA RELEASE | EMISSION-LINE | QUASAR LUMINOSITY FUNCTION | ACTIVE GALACTIC NUCLEI | galaxies: active | ASTRONOMY & ASTROPHYSICS | NEAR-INFRARED SPECTROSCOPY | X-RAY | QSO REDSHIFT SURVEY | galaxies: nuclei | DIGITAL-SKY-SURVEY
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
4. Full Text Black hole growth to z = 2 – I. Improved virial methods for measuring MBH and L/LEdd
by Trakhtenbrot, Benny and Netzer, Hagai
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 12/2012, Volume 427, Issue 4, pp. 3081 - 3102
ABSTRACT We analyse several large samples of active galactic nuclei (AGNs) in order to establish the best tools required to study the evolution of black hole... 
galaxies: nuclei | galaxies: active | quasars: emission lines – quasars: general | General | Nuclei - quasars | Galaxies | Active - galaxies | Emission lines - quasars
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
5. Bolometric luminosity black hole growth time and slim accretion discs in active galactic nuclei
by Hagai Netzer and Benny Trakhtenbrot
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 02/2014, Volume 438, Issue 1, p. 672
  We investigate the accretion rate, bolometric luminosity, black hole (BH) growth time and BH spin in a large active galactic nucleus (AGN) sample under the... 
Astrophysics | Black holes | Luminosity | Star & galaxy formation
Journal Article
Details down arrow
6. Full Text Bolometric luminosity black hole growth time and slim accretion discs in active galactic nuclei
by Netzer, Hagai and Trakhtenbrot, Benny
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2014, Volume 438, Issue 1, pp. 672 - 679
We investigate the accretion rate, bolometric luminosity, black hole (BH) growth time and BH spin in a large active galactic nucleus (AGN) sample under the... 
Galaxies: nuclei | Galaxies: active | Accretion, accretion discs | Quasars: general | quasars: general | EMISSION-LINES | accretion, accretion discs | X-RAY EXCESS | QUASARS | galaxies: active | DIGITAL SKY SURVEY | HIGH-REDSHIFT | DISKS | ASTRONOMY & ASTROPHYSICS | CONTINUUM | ULTRAVIOLET | GALAXIES | galaxies: nuclei | SPECTRA | Physics - Astrophysics of Galaxies
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
7. Full Text A population of luminous accreting black holes with hidden mergers
by Koss, Michael J and Blecha, Laura and Bernhard, Phillip and Hung, Chao-Ling and Lu, Jessica R and Trakthenbrot, Benny and Treister, Ezequiel and Weigel, Anna and Sartori, Lia F and Mushotzky, Richard and Schawinski, Kevin and Ricci, Claudio and Veilleux, Sylvain and Sanders, David B
Nature, ISSN 0028-0836, 11/2018, Volume 563, Issue 7730, pp. 214 - 216
Major galaxy mergers are thought to play an important part in fuelling the growth of supermassive black holes(1). However, observational support for this... 
DUST | DIGITAL SKY SURVEY | MULTIDISCIPLINARY SCIENCES | GROWTH | STAR-FORMATION | HOST GALAXIES | CONSTRAINTS | BAND | DATA RELEASE | PHYSICAL MODEL | DEPENDENCE | Astronomical research | Observations | Natural history | Black holes (Astronomy) | Quasars | Accretion | Galaxies | Black holes | Stars & galaxies | Spatial discrimination | Luminosity | Optics | Space telescopes | Bolometers | Galactic nuclei | Bands | Cosmic dust | Star formation | Simulation | Correlation analysis | Infrared imaging | Galaxy mergers & collisions | Star & galaxy formation | Deposition | Refueling
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
8. Full Text Cosmic Evolution of Mass Accretion Rate and Metallicity in Active Galactic Nuclei
by Netzer, Hagai and Trakhtenbrot, Benny
The Astrophysical Journal, ISSN 0004-637X, 01/2007, Volume 654, Issue 2 I, pp. 754 - 763
We present line and continuum measurements for 9818 SDSS type 1 active galactic nuclei (AGNs) with z <= 0.75. The data are used to study the four-dimensional... 
Galaxies: nuclei | Galaxies: abundances | Galaxies: active | Galaxies: starburst quasars: emission lines | VELOCITY DISPERSION | galaxies : nuclei | BLACK-HOLE MASSES | quasars : emission lines | BROAD EMISSION | LINE SEYFERT-1 GALAXIES | DIGITAL SKY SURVEY | HIGH-REDSHIFT | ASTRONOMY & ASTROPHYSICS | QUASI-STELLAR OBJECTS | LUMINOSITY RELATIONSHIP | NEAR-INFRARED SPECTROSCOPY | galaxies : abundances | galaxies : starburst | DATA RELEASE | galaxies : active
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
9. Full Text The close environments of accreting massive black holes are shaped by radiative feedback
by Ricci, C and Trakhtenbrot, B and Koss, MJ and Ueda, Y and Chawinski, KS and Oh, K and Lamperti, I and Mushotzky, R and Treister, E and Ho, LC and Weigel, A and Bauer, FE and Paltani, S and Fabian, AC and Xie, YX and Gehrels, N
NATURE, ISSN 0028-0836, 09/2017, Volume 549, Issue 7673, pp. 488 - 488
The majority of the accreting supermassive black holes in the Universe are obscured by large columns of gas and dust(1-3). The location and evolution of this... 
DUST COVERING FACTOR | ALPHA EMISSION | ACTIVE GALACTIC NUCLEI | SEYFERT-GALAXIES | MULTIDISCIPLINARY SCIENCES | RAY LUMINOSITY FUNCTION | AGN SPECTROSCOPIC SURVEY | ABSORBED AGNS | SWIFT BAT SURVEY | INFRARED LUMINOSITY | MERGER RATE | Natural history | Black holes (Astronomy) | Studies | Gravitation | Accretion | Feedback | Black holes | Sublimation | Stars & galaxies | Luminosity | Universe | Deposition | Gravity
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
10. Full Text Black Hole Mass and Growth Rate at z 4.8: A Short Episode of Fast Growth Followed by Short Duty Cycle Activity
by Trakhtenbrot, Benny and Netzer, Hagai and Lira, Paulina and Shemmer, Ohad
The Astrophysical Journal, ISSN 0004-637X, 03/2011, Volume 730, Issue 1, p. 7
We present new Gemini-North/NIRI and VLT/SINFONI H-band spectroscopy for a flux limited sample of 40 z~4.8 active galactic nuclei, selected from the Sloan... 
galaxies: nuclei | galaxies: active | quasars: emission lines | Physics - Cosmology and Nongalactic Astrophysics
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
11. Full Text OPTICAL VARIABILITY of AGNs in the PTF/iPTF SURVEY
by Caplar, Neven and Lilly, Simon J and Trakhtenbrot, Benny
Astrophysical Journal, ISSN 0004-637X, 01/2017, Volume 834, Issue 2, p. 111
We characterize the optical variability of quasars in the Palomar Transient Factory and intermediate Palomar Transient Factory (PTF/iPTF) surveys. We... 
quasars: general | methods: data analysis | black hole physics | accretion, accretion disks | POWER-SPECTRUM | X-RAY VARIABILITY | STOCHASTIC VARIABILITY | DAMPED RANDOM-WALK | SDSS STRIPE 82 | ACTIVE GALACTIC NUCLEI | DIGITAL SKY SURVEY | ASTRONOMY & ASTROPHYSICS | BLACK-HOLE GROWTH | QUASAR VARIABILITY | XMM-NEWTON
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
12. Full Text The evolution of M/MBH between z= 2 and z= 0
by Trakhtenbrot, Benny and Netzer, Hagai
Monthly Notices of the Royal Astronomical Society: Letters, ISSN 1745-3925, 07/2010, Volume 406, Issue 1, pp. L35 - L39
ABSTRACT We propose a novel method to estimate M*/MBH, the ratio of stellar mass (M*) to black hole mass (MBH) at various redshifts using two recent... 
quasars: general | galaxies: nuclei | galaxies: active | galaxies: evolution | Galaxies: nuclei | Galaxies: evolution | Galaxies: active | Quasars: general
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
13. Full Text AGN EVOLUTION from A GALAXY EVOLUTION VIEWPOINT
by Caplar, Neven and Lilly, Simon J and Trakhtenbrot, Benny
Astrophysical Journal, ISSN 0004-637X, 10/2015, Volume 811, Issue 2, p. 148
We explore the connections between the evolving galaxy and active galactic nucleus (AGN) populations. We present a simple phenomenological model that links the... 
quasars: general | quasars: supermassive black holes | galaxies: luminosity function, mass function | galaxies: active | galaxies: evolution | LESS-THAN 2 | STAR-FORMING GALAXIES | SIMILAR-TO 2 | EDDINGTON RATIO DISTRIBUTION | SUPERMASSIVE BLACK-HOLES | STELLAR MASS FUNCTIONS | DARK-MATTER HALOS | QUASAR LUMINOSITY FUNCTION | ACTIVE GALACTIC NUCLEI | ASTRONOMY & ASTROPHYSICS | BULGE SCALING RELATIONS
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
14. Full Text HOT-dust clouds with pure-graphite composition around type-I active galactic nuclei
by Mor, Rivay and Trakhtenbrot, Benny
Astrophysical Journal Letters, ISSN 2041-8205, 08/2011, Volume 737, Issue 2, p. L36
We fitted the optical to mid-infrared (MIR) spectral energy distributions of similar to 15,000 type-I, 0.75 < z < 2, active galactic nuclei (AGNs) in an... 
galaxies: active | catalogs | infrared: galaxies | LINE REGION | GROWTH-RATE | QUASARS | SPECTRAL ENERGY-DISTRIBUTIONS | TORI | BLACK-HOLE MASS | DIGITAL SKY SURVEY | HIGH-REDSHIFT | ASTRONOMY & ASTROPHYSICS | CONTINUUM | REVERBERATION | Physics - Cosmology and Nongalactic Astrophysics
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
15. Full Text An over-massive black hole in a typical star-forming galaxy, 2 billion years after the Big Bang
by Trakhtenbrot, Benny and Urry, C. Megan and Civano, Francesca and Rosario, David J and Elvis, Martin and Schawinski, Kevin and Suh, Hyewon and Bongiorno, Angela and Simmons, Brooke D
Science, ISSN 0036-8075, 07/2015, Volume 349, Issue 6244, pp. 168 - 171
Supermassive black holes (SMBHs) and their host galaxies are generally thought to coevolve, so that the SMBH achieves up to about 0.2 to 0.5% of the host... 
COEVOLUTION | NGC 1277 | ACTIVE GALACTIC NUCLEI | HIGH-REDSHIFT | COSMIC EVOLUTION | FIELD | MULTIDISCIPLINARY SCIENCES | GROWTH-RATE | HOST GALAXIES | STELLAR MASS | M87 | Black holes | Star & galaxy formation | Big Bang theory | Spectroscopy | Red shift | Accretion | Star formation | Galaxies | Black holes (astronomy) | Universe | Time measurements
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
16. Full Text AGN Evolution from the Galaxy Evolution Viewpoint. II
by Caplar, Neven and Lilly, Simon J and Trakhtenbrot, Benny
Astrophysical Journal, ISSN 0004-637X, 11/2018, Volume 867, Issue 2, p. 148
In order to relate the observed evolution of the galaxy stellar mass function and the luminosity function of active galactic nuclei (AGNs), we explore a... 
quasars: general | quasars: supermassive black holes | galaxies: luminosity function, mass function | galaxies: active | galaxies: evolution | STAR-FORMATION RATE | SIMILAR-TO 2 | HOST GALAXIES | MAIN-SEQUENCE | FIELD-SOUTH SURVEY | X-RAY LUMINOSITY | ACTIVE GALACTIC NUCLEI | BLACK-HOLE MASS | ASTRONOMY & ASTROPHYSICS | BULGE MASS | STELLAR MASS | Physics - Astrophysics of Galaxies
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
17. Full Text The systematic search for z ≳ 5 active galactic nuclei in the Chandra Deep Field South
by Weigel, Anna K and Schawinski, Kevin and Treister, Ezequiel and Megan Urry, C and Koss, Michael and Trakhtenbrot, Benny
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2015, Volume 448, Issue 4, pp. 3167 - 3195
Galaxies | Active - galaxies | High-redshift -X-rays
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights