Works matching Quasars discovered

Results: 40

Optical Spectroscopy of Quasars Discovered by SRG/eROSITA with a 2.5-m Telescope at the Caucasus Mountain Observatory of SAI MSU.
Published in:
Astronomy Letters, 2021, v. 47, n. 10, p. 661, doi. 10.1134/S1063773721100029
By:
- Dodin, A. V.;
- Shatsky, N. I.;
- Belinski, A. A.;
- Atapin, K. E.;
- Burlak, M. A.;
- Zheltoukhov, S. G.;
- Tatarnikov, A. M.;
- Postnov, K. A.;
- Cherepashchuk, A. M.;
- Belvedersky, M. I.;
- Borisov, V. D.;
- Burenin, R. A.;
- Gilfanov, M. R.;
- Krivonos, R. A.;
- Medvedev, P. S.;
- Meshcheryakov, A. V.;
- Sazonov, S. Yu.;
- Sunyaev, R. A.;
- Khorunzhev, G. A.
Publication type:
Article
The First Distant X-ray Quasars () among the Sources Discovered by the eROSITA Telescope of the SRG Orbital Observatory during a Deep Lockman Hole Survey.
Published in:
Astronomy Letters, 2020, v. 46, n. 3, p. 149, doi. 10.1134/S1063773720030032
By:
- Khorunzhev, G. A.;
- Meshcheryakov, A. V.;
- Burenin, R. A.;
- Lyapin, A. R.;
- Medvedev, P. S.;
- Sazonov, S. Yu.;
- Eselevich, M. V.;
- Sunyaev, R. A.;
- Gilfanov, M. R.
Publication type:
Article
The spectra of three newly discovered high-redshift quasars.
Published in:
Astronomische Nachrichten, 1979, v. 300, n. 1, p. 31, doi. 10.1002/asna.19793000105
By:
- Afanasjev, V. L.;
- Karachentsev, I. D.;
- Lipovetsky, V. A.;
- Lorenz, H.;
- Stoll, D.
Publication type:
Article
Nine lensed quasars and quasar pairs discovered through spatially extended variability in Pan-STARRS.
Published in:
Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 682, p. 1, doi. 10.1051/0004-6361/202347598
By:
- Dux, Frédéric;
- Lemon, Cameron;
- Courbin, Frédéric;
- Neira, Favio;
- Anguita, Timo;
- Galan, Aymeric;
- Kim, Sam;
- Hempel, Maren;
- Hempel, Angela;
- Lachaume, Régis
Publication type:
Article
First observation of a quasar with a redshift of 4.
Published in:
Nature, 1987, v. 325, n. 6100, p. 131, doi. 10.1038/325131a0
By:
- Warren, S. J.;
- Hewett, P. C.;
- Irwin, M. J.;
- McMahon, R. G.;
- Bridgeland, M. T.;
- Bunclark, P. S.;
- Kibblewhite, E. J.
Publication type:
Article
A quasar with z = 3.71 and limits on the number of more distant objects.
Published in:
Nature, 1986, v. 319, n. 6054, p. 564, doi. 10.1038/319564a0
By:
- Dunlop, J. S.;
- Downes, A. J. B.;
- Peacock, J. A.;
- Savage, A.;
- Lily, S. J.;
- Watson, F. G.;
- Longair, M. S.
Publication type:
Article
Intranight optical monitoring of the rare quasar J0950+5128, the brightest known candidate for transition from radio-quiet to radio-loud state.
Published in:
Publications of the Astronomical Society of Australia, 2024, v. 41, p. 1, doi. 10.1017/pasa.2024.116
By:
- Chand, Krishan;
- Gopal-Krishna;
- Chand, Hum
Publication type:
Article
Physical Properties of the First Quasars.
Published in:
Publications of the Astronomical Society of Australia, 2017, v. 34, p. 1, doi. 10.1017/pasa.2017.14
By:
- Gallerani, S.;
- Fan, X.;
- Maiolino, R.;
- Pacucci, F.
Publication type:
Article
Astronomy: Quasar quartet in galactic nursery.
Published in:
Nature, 2015, v. 521, n. 7552, p. 263, doi. 10.1038/521263a
Publication type:
Article
An ultraluminous quasar with a twelve-billion-solar-mass black hole at redshift 6.30.
Published in:
Nature, 2015, v. 518, n. 7540, p. 512, doi. 10.1038/nature14241
By:
- Wu, Xue-Bing;
- Wang, Feige;
- Fan, Xiaohui;
- Yi, Weimin;
- Zuo, Wenwen;
- Bian, Fuyan;
- Jiang, Linhua;
- McGreer, Ian D.;
- Wang, Ran;
- Yang, Jinyi;
- Yang, Qian;
- Thompson, David;
- Beletsky, Yuri
Publication type:
Article
Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). III. Star formation properties of the host galaxies at z ≳ 6 studied with ALMA.
Published in:
Publications of the Astronomical Society of Japan, 2018, v. 70, n. 3, p. 36-1, doi. 10.1093/pasj/psy026
By:
- Takuma IZUMI;
- Masafusa ONOUE;
- Hikari SHIRAKATA;
- Tohru NAGAO;
- Kotaro KOHNO;
- Yoshiki MATSUOKA;
- Masatoshi IMANISHI;
- STRAUSS, Michael A.;
- KASHIKAWA, Nobunari;
- SCHULZE, Andreas;
- SILVERMAN, John D.;
- Seiji FUJIMOTO;
- Yuichi HARIKANE;
- Yoshiki TOBA;
- Hideki UMEHATA;
- Kouichiro NAKANISHI;
- GREENE, Jenny E.;
- Yoichi TAMURA;
- Akio TANIGUCHI;
- Yuki YAMAGUCHI
Publication type:
Article
Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). II. Discovery of 32 quasars and luminous galaxies at 5.7 < z ≤ 6.8.
Published in:
Publications of the Astronomical Society of Japan, 2018, v. 70, n. Supp1, p. 1, doi. 10.1093/pasj/psx046
By:
- Yoshiki MATSUOKA;
- Masafusa ONOUE;
- Nobunari KASHIKAWA;
- Kazushi IWASAWA;
- STRAUSS, Michael A.;
- Tohru NAGAO;
- Masatoshi IMANISHI;
- Chien-Hsiu LEE;
- Masayuki AKIYAMA;
- Naoko ASAMI;
- James BOSCH;
- Sébastien FOUCAUD;
- Hisanori FURUSAWA;
- Tomotsugu GOTO;
- GUNN, James E.;
- Yuichi HARIKANE;
- Hiroyuki IKEDA;
- Takuma IZUMI;
- Toshihiro KAWAGUCHI;
- Satoshi KIKUTA
Publication type:
Article
Coupling constant for axion and electromagnetic fields and cosmological observations.
Published in:
Astrophysics, 2009, v. 52, n. 3, p. 412, doi. 10.1007/s10511-009-9081-5
By:
- Piotrovich, M. Yu.;
- Gnedin, Yu. N.;
- Natsvlishvili, T. M.
Publication type:
Article
Detection of Lyman-alpha-emitting galaxies at redshift 4.55.
Published in:
Nature, 1996, v. 382, n. 6588, p. 231, doi. 10.1038/382231a0
By:
- Hu, Esther M.;
- McMahon, Richard G.
Publication type:
Article
A 6.65-day pseudo-periodicity in OJ 287's flaring in 2023.
Published in:
Journal of the British Astronomical Association, 2024, v. 134, n. 1, p. 33
By:
- Kidger, Mark
Publication type:
Article
Discovery of DHM0054-284, a quasar of redshift 3.61.
Published in:
Nature, 1983, v. 303, n. 5913, p. 156, doi. 10.1038/303156a0
By:
- Shanks, T.;
- Fong, R.;
- Boyle, B. J.
Publication type:
Article
Infrared observations of the X-ray quasars 0241 + 622 and MR2251-178.
Published in:
Nature, 1979, v. 278, n. 5701, p. 231, doi. 10.1038/278231a0
By:
- SOIFER, B. T.;
- NEUGEBAUER, G.;
- MATTHEWS, K.
Publication type:
Article
Tests of gravity theories with Galactic Center observations.
Published in:
International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2019, v. 28, n. 13, p. N.PAG, doi. 10.1142/S0218271819410037
By:
- Zakharov, Alexander F.
Publication type:
Article
THE EXISTENCE OF AN OLD QUASAR AT z=3.91 AND ITS IMPLICATIONS FOR Λ(t) DEFLATIONARY COSMOLOGIES.
Published in:
International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2004, v. 13, n. 7, p. 1321, doi. 10.1142/S0218271804005481
By:
- Cunha, Joao Vital;
- Santos, rose Clívia
Publication type:
Article
Discovery of a new quasar: SDSS J022155.26-064916.6.
Published in:
Astronomische Nachrichten, 2017, v. 338, n. 5, p. 635, doi. 10.1002/asna.201713379
By:
- Robertson, J. M.;
- Tucker, D. L.;
- Smith, J. A.;
- Wester, W.;
- Lin, H.;
- Mueller, J. H.;
- Gulledge, D. J.
Publication type:
Article
Discovery of a new blue quasar: SDSS J022218.03-062511.1.
Published in:
Astronomische Nachrichten, 2015, v. 336, n. 6, p. 614, doi. 10.1002/asna.201512173
By:
- Fix, M. B.;
- Smith, J. A.;
- Tucker, D. L.;
- Wester, W.;
- Annis, J.
Publication type:
Article
A gravitationally lensed quasar with quadruple images separated by 14.62?arcseconds.
Published in:
Nature, 2003, v. 426, n. 6968, p. 810, doi. 10.1038/nature02153
By:
- Inada, Naohisa;
- Oguri, Masamune;
- Pindor, Bartosz;
- Hennawi, Joseph F.;
- Chiu, Kuenley;
- Wei Zheng;
- Ichikawa, Shin-Ichi;
- Gregg, Michael D.;
- Becker, Robert H.;
- Suto, Yasushi;
- Strauss, Michael A.;
- Turner, Edwin L.;
- Keeton, Charles R.;
- Annis, James;
- Castander, Francisco J.;
- Eisenstein, Daniel J.;
- Frieman, Joshua A.;
- Fukugita, Masataka;
- Gunn, James E.
Publication type:
Article
Type II supernovae as a significant source of interstellar dust.
Published in:
Nature, 2003, v. 424, n. 6946, p. 285, doi. 10.1038/nature01792
By:
- Dunne, Loretta;
- Eales, Stephen;
- Ivison, Rob;
- Morgan, Haley;
- Edmunds, Mike
Publication type:
Article
The SRG/eROSITA All-Sky Survey: X-ray beacons at late cosmic dawn.
Published in:
Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 691, p. 1, doi. 10.1051/0004-6361/202451035
By:
- Wolf, J.;
- Salvato, M.;
- Belladitta, S.;
- Arcodia, R.;
- Ciroi, S.;
- Di Mille, F.;
- Sbarrato, T.;
- Buchner, J.;
- Hämmerich, S.;
- Wilms, J.;
- Collmar, W.;
- Dwelly, T.;
- Merloni, A.;
- Urrutia, T.;
- Nandra, K.
Publication type:
Article
High-redshift quasar selection from the CFHQSIR survey.
Published in:
Astronomy & Astrophysics / Astronomie et Astrophysique, 2018, v. 617, p. N.PAG, doi. 10.1051/0004-6361/201833488
By:
- Pipien, S.;
- Cuby, J.-G.;
- Basa, S.;
- Willott, C. J.;
- Cuillandre, J.-C.;
- Arnouts, S.;
- Hudelot, P.
Publication type:
Article
The X-ray properties of z ~ 6 luminous quasars.
Published in:
Astronomy & Astrophysics / Astronomie et Astrophysique, 2017, v. 603, p. 1, doi. 10.1051/0004-6361/201730484
By:
- Nanni, R.;
- Vignali, C.;
- Gilli, R.;
- Moretti, A.;
- Brandt, W. N.
Publication type:
Article
Anomaly distribution of quasar magnitudes: a test of lensing by a hypothetic supergiant molecular cloud in the Galactic halo.
Published in:
Astronomy & Astrophysics / Astronomie et Astrophysique, 2012, v. 543, n. 2, p. L6-1, doi. 10.1051/0004-6361/201219487
By:
- Giraud, E.
Publication type:
Article
Anomaly distribution of quasar magnitudes: a test of lensing by a hypothetic supergiant molecular cloud in the Galactic halo.
Published in:
Astronomy & Astrophysics / Astronomie et Astrophysique, 2012, v. 543, n. 1, p. 1, doi. 10.1051/0004-6361/201219487
By:
- Giraud, E.
Publication type:
Article
The second release of the Large Quasar Astrometric Catalog (LQAC-2).
Published in:
Astronomy & Astrophysics / Astronomie et Astrophysique, 2012, v. 537, p. 1, doi. 10.1051/0004-6361/201117954
By:
- Souchay, J.;
- Andrei, A. H.;
- Barache, C.;
- Bouquillon, S.;
- Suchet, D.;
- Taris, F.;
- Peralta, R.
Publication type:
Article
The Scavenger Hunt for Quasar Samples to Be Used as Cosmological Tools.
Published in:
Galaxies (2075-4434), 2024, v. 12, n. 1, p. 4, doi. 10.3390/galaxies12010004
By:
- Dainotti, Maria Giovanna;
- Bargiacchi, Giada;
- Lenart, Aleksander Łukasz;
- Capozziello, Salvatore
Publication type:
Article
The Global Jet Structure of the Archetypical Quasar 3C 273.
Published in:
Galaxies (2075-4434), 2018, v. 6, n. 1, p. 15, doi. 10.3390/galaxies6010015
By:
- Akiyama, Kazunori;
- Asada, Keiichi;
- Fish, Vincent L.;
- Nakamura, Masanori;
- Hada, Kazuhiro;
- Nagai, Hiroshi;
- Lonsdale, Colin J.
Publication type:
Article
Stellar mass fraction and quasar accretion disk size in SDSS J1004+4112 from photometric follow-up.
Published in:
Proceedings of the International Astronomical Union, 2022, v. 18, n. S381, p. 157, doi. 10.1017/S1743921323003666
By:
- Forés-Toribio, R.;
- Muñoz, J. A.;
- Fian, C.;
- Jiménez-Vicente, J.;
- Mediavilla, E.
Publication type:
Article
A rapidly evolving quasar population at the epoch of reionzation.
Published in:
Proceedings of the International Astronomical Union, 2020, v. 15, n. S352, p. 126, doi. 10.1017/S1743921320001180
By:
- Fan, Xiaohui;
- da Cunha, Elisabete;
- Hodge, Jacqueline;
- Afonso, José;
- Pentericci, Laura;
- Sobral, David
Publication type:
Article
The most distant quasars and their environments.
Published in:
Proceedings of the International Astronomical Union, 2020, v. 15, n. S352, p. 125, doi. 10.1017/S1743921320001179
By:
- Bañados, Eduardo;
- da Cunha, Elisabete;
- Hodge, Jacqueline;
- Afonso, José;
- Pentericci, Laura;
- Sobral, David
Publication type:
Article
Massive quasar host galaxies in the reionisation epoch.
Published in:
Proceedings of the International Astronomical Union, 2020, v. 15, n. S352, p. 127, doi. 10.1017/S1743921319009037
By:
- Venemans, Bram P.;
- Walter, Fabian;
- Neeleman, Marcel;
- Novak, Mladen;
- Decarli, Roberto;
- da Cunha, Elisabete;
- Hodge, Jacqueline;
- Afonso, José;
- Pentericci, Laura;
- Sobral, David
Publication type:
Article
The LQAC-4, last update of the Large Quasar Astrometric Catalogue.
Published in:
Proceedings of the International Astronomical Union, 2017, v. 12, n. S330, p. 75, doi. 10.1017/S1743921317005646
By:
- Souchay, J.;
- Andrei, A. H.;
- Barache, C.;
- Taris, F.;
- Gattano, C.;
- Coelho, B.;
- Recio-Blanco, A.;
- de Laverny, P.;
- Brown, A.G.A.;
- Prusti, T.
Publication type:
Article
The discovery of eight z ~ 6 quasars from Pan-STARRS1.
Published in:
Proceedings of the International Astronomical Union, 2013, v. 9, n. S304, p. 19, doi. 10.1017/S1743921314003172
By:
- Bañados, E.;
- Venemans, B. P.;
- Morganson, E.;
- Decarli, R.;
- Walter, F.;
- Chambers, K. C.;
- Rix, H-W.;
- Farina, E. P.;
- Fan, X.;
- Jiang, L.;
- McGreer, I.;
- De Rosa, G.;
- Simcoe, R.;
- Weiß, A.;
- Price, P. A.;
- Morgan, J. S.;
- Burgett, W. S.;
- Greiner, J.;
- Kaiser, N.;
- Kudritzki, R.-P.
Publication type:
Article
Strong gravitational lensing: relativity in action.
Published in:
Proceedings of the International Astronomical Union, 2009, v. 5, n. S261, p. 249, doi. 10.1017/S1743921309990470
By:
- Wambsganss, Joachim
Publication type:
Article
Black hole in early universe is a massive problem.
Published in:
Astronomy & Geophysics, 2015, v. 56, n. 2, p. 2.10, doi. 10.1093/astrogeo/atv055
Publication type:
Article
Is this a record?
Published in:
Astronomy & Geophysics, 2011, v. 52, n. 4, p. 4.07, doi. 10.1111/j.1468-4004.2011.52404_16.x
Publication type:
Article