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Abell 2345
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Title: The complex structure of Abell 2345: a galaxy cluster with non-symmetric radio relics Authors: Walter Boschin, Rafael Barrena, Marisa Girardi We aim to obtain new insights into the internal dynamics of the cluster Abell 2345. This cluster exhibits two non-symmetric radio relics well stu...
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Leo giant gas ring
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The mysterious Leo giant gas ring explained by a billion year old collision between two galaxies
An international team unveiled the origin of the giant gas ring in the Leo group of galaxies. With the Canada-France-Hawaii Telescope, the scientists were able to detect an optical signature of the r...
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NGC 4262
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Title: NGC 4262: a Virgo galaxy with an extended ultraviolet ring Authors: Bettoni, D. (1), Buson, L. M. (1), Galletta, G. (2) ((1)INAF, Osservatorio Astronomico di Padova, (2) Dipartimento di Astronomia Universita' di Padova) The Galaxy Ultraviolet Explorer (GALEX) satellite has recently sh...
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SDSS J0123+00
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El GTC y el VLT, dos de los mayores telescopios del mundo, observan la activación de un cuásar por un encuentro entre galaxias La investigación, liderada por el Instituto de Astrofísica de Andalucía (IAA-CSIC), emplea dos de las mayores instalaciones astronómicas del mundo: el Very Large Telesco...
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J113924.74+164144.0
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Title: The curious case of J113924.74+164144.0: a possible new group of galaxies at z = 0.0693 Authors: Nirupam Roy, Chandreyee Sengupta, N. G. Kantharia J113924.74+164144.0 is an interesting galaxy at z = 0.0693, i.e. D_L ~ 305 Mpc, with tidal-tail-like extended optical features on both sides....
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LAMOST
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Title: Eight new quasars discovered by LAMOST in one extragalactic field Authors: Xue-Bing Wu, Zhendong Jia, Zhaoyu Chen, Wenwen Zuo, Yongheng Zhao, Ali Luo, Zhongrui Bai, Jianjun Chen, Haotong Zhang, Hongliang Yan, Juanjuan Ren, Shiwei Sun, Hong Wu, Yong Zhang, Yeping Li, Qishuai Lu, You Wang,...
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B0128+437
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Title: Adaptive Optics Observations of B0128+437: A Low-Mass, High-Redshift Gravitational Lens Authors: David J. Lagattuta (1), Matthew W. Auger (2), Christopher D. Fassnacht (1) ((1) UC Davis, (2) UC Santa Barbara) (Version v2) We use high-resolution adaptive optics (AO) imaging on the Keck...
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Quasar 3C 196
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First high-resolution image from the LOFAR radio telescope array Both, the Max-Planck-Institut für Radioastronomie (Bonn) and the Max-Planck-Institut für Astrophysik (Garching), run stations of the International LOFAR telescope (ILT), coordinated by ASTRON, the Netherlands Institute f...
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SDSS J085543.40-001517.7
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Title: A very bright i=16.44 quasar in the 'redshift desert' discovered by LAMOST Authors: Xue-Bing Wu, Zhaoyu Chen, Zhendong Jia, Wenwen Zuo, Yongheng Zhao, Ali Luo, Zhongrui Bai, Jianjun Chen, Haotong Zhang, Hongliang Yan, Juanjuan Ren, Shiwei Sun, Hong Wu, Yong Zhang, Yeping Li, Qishuai Lu, Y...
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HDF 130
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Credit: X-ray (NASA/CXC/IoA/A.Fabian et al.); Optical (SDSS), Radio (STFC/JBO/MERLIN) This is a composite image showing a small region of the Chandra Deep Field North. Shown in blue is a deep image from the Chandra X-ray Observatory and in red is an image from the Multi-Element Radio Linked Inter...
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Phoenix Galaxy
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Title: Suzaku observation of the Phoenix Galaxy Authors: G. Matt, S. Bianchi, H. Awaki, A. Comastri, M. Guainazzi, K. Iwasawa, E. Jimenez-Bailon, F. Nicastro In recent years, several Seyfert 2 galaxies have been discovered that change state when observed in X-rays a few years apart, switching fr...
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CXO J122518.6+144545
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A super-massive black hole -- heavier than one billion suns -- appears headed on an exit out of its home galaxy at 670,000 miles-an-hour. Noted by NASA's Chandra X-ray space telescope, the object called CXO J122518.6+144545 resides some 607,000 light years away in the SDSS DR7 galaxy (one light yea...
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Supernova 2010br
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The Westerbork Synthesis Radio Telescope will observe (at 4.8 GHz) the position of the Type Ibc supernova 2010br, at 14.34 UT, 11th May 11 to 2.31 UT 12th May.
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Missing matter
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ESAs orbiting X-ray observatory XMM-Newton has been used by a team of international astronomers to uncover part of the missing matter in the universe. 10 years ago, scientists predicted that about half of the missing ordinary or normal matter made of atoms exists in the form of low-density gas, fil...
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Abell 315 galaxy cluster
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A Cluster and a Sea of Galaxies A new wide-field image released today by ESO displays many thousands of distant galaxies, and more particularly a large group belonging to the massive galaxy cluster known as Abell 315. As crowded as it may appear, this assembly of galaxies is only the proverbial "...
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