Works matching DE "SPECTRA of quasars"
Results: 55
New Quasars with z = 3.4 and 3.7 and the surface density of very high redshift quasars.
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- Nature, 1985, p. 238, doi. 10.1038/314238a0
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- Article
4.8 GHz Intra-Day Variability of FSRQ 0507+179.
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- Journal of Astrophysics & Astronomy, 2014, v. 35, n. 3, p. 271, doi. 10.1007/s12036-014-9210-3
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- Article
Correlations between Optical Variability and Physical Parameters of Quasars.
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- Journal of Astrophysics & Astronomy, 2014, v. 35, n. 3, p. 407, doi. 10.1007/s12036-014-9243-7
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Connections between the Radio, Optical and Soft X-ray Luminosities for Flat-Spectrum Radio Quasars.
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- Journal of Astrophysics & Astronomy, 2014, v. 35, n. 3, p. 471, doi. 10.1007/s12036-014-9256-2
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Spectral Variability of Quasar SDSS J030639.57 + 000343.1.
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- Journal of Astrophysics & Astronomy, 2014, v. 35, n. 3, p. 477, doi. 10.1007/s12036-014-9257-1
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Recent Seven Years of Radio and Optical Variabilities of Quasar 1156 + 295.
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- Journal of Astrophysics & Astronomy, 2014, v. 35, n. 3, p. 481, doi. 10.1007/s12036-014-9260-6
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- Article
Identification of Metal Absorption Lines on Quasar Spectra of SDSS DR9.
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- Journal of Astrophysics & Astronomy, 2014, v. 35, n. 3, p. 529, doi. 10.1007/s12036-014-9277-x
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Aligning Quasars: Spooky or Just Spurious?
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- Mercury, 2015, v. 44, n. 1, p. 13
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The diversity of quasars unified by accretion and orientation.
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- Nature, 2014, v. 513, n. 7517, p. 210, doi. 10.1038/nature13712
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Astrophysics: Quasar complexity simplified.
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- Nature, 2014, v. 513, n. 7517, p. 181, doi. 10.1038/513181a
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Astrophysics: Cosmic lens reveals spinning black hole.
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- Nature, 2014, v. 507, n. 7491, p. 173, doi. 10.1038/nature13209
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Astronomy: Outflows from the first quasars.
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- Nature, 2012, v. 489, n. 7414, p. 42, doi. 10.1038/489042a
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Quasar absorption lines: an overview.
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- Bulletin of the Astronomical Society of India, 2013, v. 41, n. 1, p. 41
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Characteristics of GPS sources in the Planck survey.
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- Astronomy Reports, 2016, v. 60, n. 9, p. 781, doi. 10.1134/S1063772916080096
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- Article
The relationship between variable and polarized optical spectral components of luminous type 1 non-blazar quasars.
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- Publications of the Astronomical Society of Japan, 2016, v. 68, n. 4, p. 52-1, doi. 10.1093/pasj/psw050
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An effective selection method for low-mass active black holes and first spectroscopic identification.
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- Publications of the Astronomical Society of Japan, 2016, v. 68, n. 3, p. 1, doi. 10.1093/pasj/psw033
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- Article
Modeling the spectral energy distribution of 3C 454.3 in a "flat" broad-line region scenario.
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- Publications of the Astronomical Society of Japan, 2014, v. 66, n. 5, p. 1, doi. 10.1093/pasj/psu067
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- Article
Fermi gamma-ray and multi-wave band emission from TeV active galactic nuclei.
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- Astrophysics & Space Science, 2013, v. 343, n. 1, p. 345, doi. 10.1007/s10509-012-1212-5
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New Limit on the Spatial and Temporal Variations of the Fine-Structure Constant Using High Redshifts of Quasar Spectra.
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- Astrophysics, 2015, v. 58, n. 1, p. 14, doi. 10.1007/s10511-015-9362-0
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Erratum to: Gigahertz-Peaked Spectrum (GPS) galaxies and quasars.
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- 2013
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- Correction Notice
Varying Constants Entropic-LCDM Cosmology.
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- Entropy, 2016, v. 18, n. 2, p. 60, doi. 10.3390/e18020060
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The effects of frequency-dependent quasar variability on the celestial reference frame.
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- Journal of Geodesy, 2014, v. 88, n. 6, p. 575, doi. 10.1007/s00190-014-0706-z
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Fundamental constants and high-resolution spectroscopy.
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- Astronomische Nachrichten, 2014, v. 335, n. 1, p. 83, doi. 10.1002/asna.201312005
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Investigating the reasons of variability in Si IV and C IV broad absorption line troughs of quasars.
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- European Physical Journal D (EPJ D), 2017, v. 71, n. 9, p. 1, doi. 10.1140/epjd/e2017-70749-x
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Long-Term Optical and Spectral Variability of FSRQ 3C454.3.
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- Advances in Astronomy, 2018, p. 1, doi. 10.1155/2018/3435814
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GALEX colours of quasars and intergalactic medium opacity at low redshift.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2019, v. 623, p. N.PAG, doi. 10.1051/0004-6361/201832673
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- Article
H<sub>2</sub>/HD molecular data for analysis of quasar spectra in search of varying constants.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2019, v. 622, p. N.PAG, doi. 10.1051/0004-6361/201834782
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Recollimation shocks and radiative losses in extragalactic relativistic jets.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2018, v. 609, p. 1, doi. 10.1051/0004-6361/201732000
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Quasar spectral variability from the XMM-Newton serendipitous source catalogue.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2017, v. 600, p. 1, doi. 10.1051/0004-6361/201629885
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Determining the fraction of reddened quasars in COSMOS with multiple selection techniques from X-ray to radio wavelengths.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2016, v. 595, p. 1, doi. 10.1051/0004-6361/201628836
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- Article
A VLBI survey of compact broad absorption line quasars with balnicity index BI > 0.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2015, v. 579, p. 1, doi. 10.1051/0004-6361/201526091
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- Article
Proving strong magnetic fields near to the central black hole in the quasar PG0043+039 via cyclotron lines.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2015, v. 577, p. 1, doi. 10.1051/0004-6361/201525984
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- Article
A sample of weak blazars at milli-arcsecond resolution.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2015, v. 577, p. 1, doi. 10.1051/0004-6361/201425527
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- Article
Infrared study of H1743-322 in outburst: a radio-quiet and NIR-dim microquasar.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2015, v. 577, p. 1, doi. 10.1051/0004-6361/201424004
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Galaxy-wide outflows in z ~ 1.5 luminous obscured quasars revealed through near-IR slit-resolved spectroscopy.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2015, v. 574, p. 1, doi. 10.1051/0004-6361/201425035
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Broadband nuclear emission in two radio-loud broad absorption line quasars.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2015, v. 574, p. 1, doi. 10.1051/0004-6361/201424729
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Baryon acoustic oscillations in the Lyα forest of BOSS DR11 quasars.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2015, v. 574, p. 1, doi. 10.1051/0004-6361/201423969
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GTC spectra of z ≈ 2.3 quasars: comparison with local luminosity analogs.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2014, v. 570, p. 1, doi. 10.1051/0004-6361/201423975
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Suite of hydrodynamical simulations for the Lyman-α forest with massive neutrinos.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2014, v. 567, p. 1, doi. 10.1051/0004-6361/201423507
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MAGIC observations and multifrequency properties of the flat spectrum radio quasar 3C 279 in 2011.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2014, v. 567, p. 1, doi. 10.1051/0004-6361/201323036
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The narrow FeKα line and the molecular torus in active galactic nuclei: an IR/X-ray view.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2014, v. 567, p. 1, doi. 10.1051/0004-6361/201322701
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Detection of chloronium and measurement of the <sup>35</sup>Cl/<sup>37</sup>Cl isotopic ratio at z = 0.89 toward PKS1830–211.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2014, v. 566, p. 1, doi. 10.1051/0004-6361/201423947
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The return to the hard state of GX 339-4 as seen by Suzaku.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2014, v. 564, p. 1, doi. 10.1051/0004-6361/201322268
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The Sloan Digital Sky Survey quasar catalog: tenth data release.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2014, v. 563, p. 1, doi. 10.1051/0004-6361/201322691
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Black-hole mass estimates for a homogeneous sample of bright flat-spectrum radio quasars.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2013, v. 560, p. 1, doi. 10.1051/0004-6361/201321424
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The metals-to-dust ratio to very low metallicities using GRB and QSO absorbers; extremely rapid dust formation.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2013, v. 560, p. 1, doi. 10.1051/0004-6361/201321413
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The ESO UVES advanced data products quasar sample.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2013, v. 556, n. 6, p. 1, doi. 10.1051/0004-6361/201321154
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The ESO UVES advanced data products quasar sample.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2013, v. 556, n. 6, p. 1, doi. 10.1051/0004-6361/201321153
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Baryon acoustic oscillations in the Lyα forest of BOSS quasars.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2013, v. 552, n. 2, p. A96, doi. 10.1051/0004-6361/201220724
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The evolution of H I and C IV quasar absorption line systems at 1.9 < z < 3.2.
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- Astronomy & Astrophysics / Astronomie et Astrophysique, 2013, v. 552, n. 2, p. A77, doi. 10.1051/0004-6361/201220042
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