Works matching DE "QUASARS"

Results: 1083

Estimating the spins of supermassive black holes in distant ultraluminous quasars.

Published in:

International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2025, v. 34, n. 11, p. 1, doi. 10.1142/S0218271825500464

By:

Piotrovich, Mikhail Yu.;
Buliga, Stanislava D.;
Natsvlishvili, Tinatin M.

Publication type:

Article

Reverberation responses in light curves of the SBS1520+530 quasar.

Published in:

Astrophysics & Space Science, 2025, v. 370, n. 6, p. 1, doi. 10.1007/s10509-025-04450-7

By:

Berdina, Liudmyla;
Tsvetkova, Victoria

Publication type:

Article

Quasars as strong standard candle candidates.

Published in:

International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics, 2025, v. 40, n. 23, p. 1, doi. 10.1142/S0217751X25501015

By:

Parra, Jose L.

Publication type:

Article

Optical Photometric Monitoring of the Blazar OT 355 and Local Standard Stars' Calibration.

Published in:

Universe (2218-1997), 2025, v. 11, n. 6, p. 171, doi. 10.3390/universe11060171

By:

Bachev, R.;
Tripathi, Tushar;
Gupta, Alok C.;
Kurtenkov, A.;
Nikolov, Y.;
Strigachev, A.;
Boeva, S.;
Latev, G.;
Spassov, B.;
Minev, M.;
Ovcharov, E.;
Yang, W.-X.;
Liu, Yi;
Fan, J.-H.

Publication type:

Article

Spin of the M87 Black Hole.

Published in:

Annalen der Physik, 2020, v. 532, n. 4, p. 1, doi. 10.1002/andp.201900480

By:

Garofalo, David

Publication type:

Article

Cosmological Distance scale. Part 13: Galactic Polar Redshift Anisotropy of Quasars and Type Ia Supernovae.

Published in:

Measurement Techniques, 2023, v. 65, n. 10, p. 712, doi. 10.1007/s11018-023-02143-7

By:

Levin, S. F.

Publication type:

Article

A cosmological distance scale program.

Published in:

Measurement Techniques, 2013, v. 56, n. 3, p. 223, doi. 10.1007/s11018-013-0183-4

By:

Klenitskii, A.

Publication type:

Article

Cosmological distance scale based on a red-shift interpolation model.

Published in:

Measurement Techniques, 2012, v. 55, n. 6, p. 609, doi. 10.1007/s11018-012-0009-9

By:

Levin, S.

Publication type:

Article

Observability of Acausal and Uncorrelated Optical Quasar Pairs for Quantum-Mechanical Experiments.

Published in:

Universe (2218-1997), 2025, v. 11, n. 4, p. 130, doi. 10.3390/universe11040130

By:

Steinbring, Eric

Publication type:

Article

Where to Search for Supermassive Binary Black Holes.

Published in:

Universe (2218-1997), 2025, v. 11, n. 3, p. 76, doi. 10.3390/universe11030076

By:

Marziani, Paola;
Bon, Edi;
Bon, Natasa;
D'Onofrio, Mauro

Publication type:

Article

Super-Eddington Accretion in Quasars.

Published in:

Universe (2218-1997), 2025, v. 11, n. 2, p. 69, doi. 10.3390/universe11020069

By:

Marziani, Paola;
Garnica Luna, Karla;
Floris, Alberto;
del Olmo, Ascensión;
Deconto-Machado, Alice;
Buendia-Rios, Tania M.;
Negrete, C. Alenka;
Dultzin, Deborah

Publication type:

Article

Studying Intra-Night Optical Variability of AGNs Using the TESS Survey Data.

Published in:

Universe (2218-1997), 2024, v. 10, n. 12, p. 434, doi. 10.3390/universe10120434

By:

Yang, Yujian;
Ma, Bo;
Chen, Chen

Publication type:

Article

The Composite Spectral Energy Distribution of Quasars Is Surprisingly Universal Since Cosmic Noon.

Published in:

Universe (2218-1997), 2024, v. 10, n. 11, p. 431, doi. 10.3390/universe10110431

By:

Cai, Zhenyi

Publication type:

Article

A Comprehensive Study on the Mid-Infrared Variability of Blazars.

Published in:

Universe (2218-1997), 2024, v. 10, n. 9, p. 360, doi. 10.3390/universe10090360

By:

Zhang, Xuemei;
Hu, Zhipeng;
Huang, Weitian;
Mao, Lisheng

Publication type:

Article

The Host Galaxy Fluxes of Active Galaxy Nuclei Are Generally Overestimated by the Flux Variation Gradient Method.

Published in:

Universe (2218-1997), 2024, v. 10, n. 7, p. 282, doi. 10.3390/universe10070282

By:

Cai, Minxuan;
Wan, Zhen;
Cai, Zhenyi;
Fan, Lulu;
Wang, Junxian

Publication type:

Article

Revisiting a Core–Jet Laboratory at High Redshift: Analysis of the Radio Jet in the Quasar PKS 2215+020 at z = 3.572.

Published in:

Universe (2218-1997), 2024, v. 10, n. 2, p. 97, doi. 10.3390/universe10020097

By:

Frey, Sándor;
Fogasy, Judit;
Perger, Krisztina;
Kulish, Kateryna;
Benke, Petra;
Koller, Dávid;
Gabányi, Krisztina Éva

Publication type:

Article

Testing Primordial Black Hole Dark Matter with Atacama Large Millimeter Array Observations of the Gravitational Lens B1422+231.

Published in:

Universe (2218-1997), 2024, v. 10, n. 1, p. 37, doi. 10.3390/universe10010037

By:

Wen, Di;
Kemball, Athol J.

Publication type:

Article

Spectral Variability Studies in Active Galactic Nuclei: Exploring Continuum and Emission Line Regions in the Age of LSST and JWST.

Published in:

Universe (2218-1997), 2023, v. 9, n. 12, p. 492, doi. 10.3390/universe9120492

By:

Panda, Swayamtrupta;
Marziani, Paola;
Czerny, Bożena;
Rodríguez-Ardila, Alberto;
Pozo Nuñez, Francisco

Publication type:

Article

DPQP: A Detection Pipeline for Quasar Pair Candidates Based on QSO Photometric Images and Spectra.

Published in:

Universe (2218-1997), 2023, v. 9, n. 9, p. 425, doi. 10.3390/universe9090425

By:

Liu, Yuanbo;
Qiu, Bo;
Luo, A-li;
Jiang, Xia;
Yao, Lin;
Wang, Kun;
Zhao, Guiyu

Publication type:

Article

Deep Learning of Quasar Lightcurves in the LSST Era.

Published in:

Universe (2218-1997), 2023, v. 9, n. 6, p. 287, doi. 10.3390/universe9060287

By:

Kovačević, Andjelka B.;
Ilić, Dragana;
Popović, Luka Č.;
Andrić Mitrović, Nikola;
Nikolić, Mladen;
Pavlović, Marina S.;
Čvorović-Hajdinjak, Iva;
Knežević, Miljan;
Savić, Djordje V.

Publication type:

Article

Gas and Stars in the Teacup Quasar Looking with the 6-m Telescope.

Published in:

Universe (2218-1997), 2023, v. 9, n. 2, p. 66, doi. 10.3390/universe9020066

By:

Moiseev, Alexei V.;
Ikhsanova, Alina I.

Publication type:

Article

Optical Singly-Ionized Iron Emission in Radio-Quiet and Relativistically Jetted Active Galactic Nuclei.

Published in:

Universe (2218-1997), 2021, v. 7, n. 12, p. 1, doi. 10.3390/universe7120484

By:

Marziani, Paola;
Berton, Marco;
Panda, Swayamtrupta;
Bon, Edi

Publication type:

Article

6D-QSAR for predicting biological activity of human aldose reductase inhibitors using quasar receptor surface modeling.

Published in:

BMC Chemistry, 2023, v. 17, n. 1, p. 1, doi. 10.1186/s13065-023-00970-x

By:

Sokouti, Babak;
Hamzeh-Mivehroud, Maryam

Publication type:

Article

Residual Disease in Patients with Axial Spondyloarthritis: A Post-Hoc Analysis of the QUASAR Study †.

Published in:

Journal of Clinical Medicine, 2022, v. 11, n. 12, p. 3553, doi. 10.3390/jcm11123553

By:

D'Angelo, Salvatore;
Salvarani, Carlo;
Marando, Francesca;
Gualberti, Giuliana;
Novelli, Lucia;
Curradi, Giacomo;
Tripepi, Giovanni;
Pitino, Annalisa;
Ramonda, Roberta;
Marchesoni, Antonio

Publication type:

Article

Quasar Identification Using Multivariate Probability Density Estimated from Nonparametric Conditional Probabilities.

Published in:

Mathematics (2227-7390), 2023, v. 11, n. 1, p. 155, doi. 10.3390/math11010155

By:

Farmer, Jenny;
Allen, Eve;
Jacobs, Donald J.

Publication type:

Article

ACTIVE GALAXIES.

Published in:: Journal of the British Astronomical Association, 2024, p. 114
Publication type:: Article

ACTIVE GALAXIES.

Published in:: Journal of the British Astronomical Association, 2023, p. 111
Publication type:: Article

BAA variable star observers contribute to research on quasars & dwarf novae.

Published in:

Journal of the British Astronomical Association, 2022, v. 132, n. 4, p. 212

By:

Shears, Jeremy

Publication type:

Article

BAA Spring Meeting, 2021 April 24.

Published in:

Journal of the British Astronomical Association, 2021, v. 131, n. 6, p. 394

By:

Lorrain, Alan;
Tarver, Bill;
Collett, Hazel;
Shears, Jeremy;
Dowdell, Alan

Publication type:

Article

ACTIVE GALAXIES.

Published in:: Journal of the British Astronomical Association, 2021, p. 111
Publication type:: Article

Ancient Light: Imaging a quasar without a telescope.

Published in:

Journal of the British Astronomical Association, 2021, v. 131, n. 2, p. 120

By:

Barrett, Steve

Publication type:

Article

ACTIVE GALAXIES.

Published in:: Journal of the British Astronomical Association, 2020, p. 111
Publication type:: Article

Amplitude and Phase Calibration with the Aid of Beacons in Microwave Imaging Radiometry by Aperture Synthesis: Algebraic Aspects and Algorithmic Implications.

Published in:

Remote Sensing, 2025, v. 17, n. 6, p. 1098, doi. 10.3390/rs17061098

By:

Anterrieu, Eric

Publication type:

Article

An investigation into the range dependence of target delineation strategies for stereotactic lung radiotherapy.

Published in:

2017

By:

Mohatt, Dennis J.;
Keim, John M.;
Greene, Mathew C.;
Patel-Yadav, Ami;
Gomez, Jorge A.;
Malhotra, Harish K.

Publication type:

journal article

Letters.

Published in:

1982

By:

Talkington, Lester;
Arp, Halton;
Sansbury, Ralph;
Bergquist, Ernest H.

Publication type:

Letter

The Great Redshift Debate.

Published in:

Sciences, 1981, v. 21, n. 8, p. 10, doi. 10.1002/j.2326-1951.1981.tb01999.x

By:

Helfand, David

Publication type:

Article

Accretion disk winds as the jet suppression mechanism in the microquasar GRS 1915+105.

Published in:

2009

By:

Neilsen, Joseph;
Lee, Julia C.

Publication type:

Letter

Astrophysics: Quiet is the new loud.

Published in:

Nature, 2009, v. 458, n. 7237, p. 414, doi. 10.1038/458414a

By:

Proga, Daniel

Publication type:

Article

Astrophysics: Capturing black-hole pairs.

Published in:

Nature, 2009, v. 458, n. 7234, p. 40, doi. 10.1038/458040a

By:

Miller, Jon M.

Publication type:

Article

Abstractions.

Published in:: 2009
Publication type:: Interview

An excess of cosmic ray electrons at energies of 300–800 GeV.

Published in:

2008

By:

Chang, J.;
Adams, J. H.;
Ahn, H. S.;
Bashindzhagyan, G. L.;
Christl, M.;
Ganel, O.;
Guzik, T. G.;
Isbert, J.;
Kim, K. C.;
Kuznetsov, E. N.;
Panasyuk, M. I.;
Panov, A. D.;
Schmidt, W. K. H.;
Seo, E. S.;
Sokolskaya, N. V.;
Watts, J. W.;
Wefel, J. P.;
Wu, J.;
Zatsepin, V. I.

Publication type:

Letter

Astronomy: Hidden gems.

Published in:: Nature, 2008, v. 456, n. 7218, p. 5, doi. 10.1038/456005a
Publication type:: Article

An 84-μG magnetic field in a galaxy at redshift z = 0.692.

Published in:

Nature, 2008, v. 455, n. 7213, p. 638, doi. 10.1038/nature07264

By:

Wolfe, Arthur M.;
Jorgenson, Regina A.;
Robishaw, Timothy;
Heiles, Carl;
Prochaska, Jason X.

Publication type:

Article

The characteristic blue spectra of accretion disks in quasars as uncovered in the infrared.

Published in:

Nature, 2008, v. 454, n. 7203, p. 492, doi. 10.1038/nature07114

By:

Kishimoto, Makoto;
Antonucci, Robert;
Blaes, Omer;
Lawrence, Andy;
Boisson, Catherine;
Albrecht, Marcus;
Leipski, Christian

Publication type:

Article

Strong magnetic fields in normal galaxies at high redshift.

Published in:

Nature, 2008, v. 454, n. 7202, p. 302, doi. 10.1038/nature07105

By:

Bernet, Martin L.;
Miniati, Francesco;
Lilly, Simon J.;
Kronberg, Philipp P.;
Dessauges–Zavadsky, Miroslava

Publication type:

Article

The rotating wind of the quasar PG 1700+518.

Published in:

Nature, 2007, v. 450, n. 7166, p. 74, doi. 10.1038/nature06319

By:

Young, S.;
Axon, D. J.;
Robinson, A.;
Hough, J. H.;
Smith, J. E.

Publication type:

Article

Suppression of dwarf galaxy formation by cosmic reionization.

Published in:

Nature, 2006, v. 441, n. 7091, p. 322, doi. 10.1038/nature04748

By:

Wyithe, J. Stuart B.;
Loeb, Abraham

Publication type:

Article

Shifting constant could shake laws of nature.

Published in:

Nature, 2006, v. 440, n. 7088, p. 1094, doi. 10.1038/4401094a

By:

Peplow, Mark

Publication type:

Article

Discovery of a bright quasar without a massive host galaxy.

Published in:

Nature, 2005, v. 437, n. 7057, p. 381, doi. 10.1038/nature04013

By:

Magain, Pierre;
Letawe, G&éraldine;
Courbin, Fr&éd&éric;
Jablonka, Pascale;
Jahnke, Knud;
Meylan, Georges;
Wisotzki, Lutz

Publication type:

Article

The obscuration by dust of most of the growth of supermassive black holes.

Published in:

Nature, 2005, v. 436, n. 7051, p. 666, doi. 10.1038/nature03829

By:

Martínez-Sansigre, Alejo;
Rawlings, Steve;
Lacy, Mark;
Fadda, Dario;
Marleau, Francine R.;
Simpson, Chris;
Willott, Chris J.;
Jarvis, Matt J.

Publication type:

Article