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Ly-alpha Blobs
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Title: The Chandra Deep Protocluster Survey: Ly-alpha Blobs are powered by heating, not cooling Authors: J. E. Geach (1), D. M. Alexander (1), B. D. Lehmer (1), Ian Smail (1), Y. Matsuda (1), S. C. Chapman (2), C. A. Scharf (3), R. J. Ivison (4), M. Volonteri (5), T. Yamada (6), A. W. Blain (7), R. G. Bowe...
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RCS 2319+00
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Herschel Sees Intergalactic Bridge Aglow With Stars The Herschel Space Observatory has discovered a giant, galaxy-packed filament ablaze with billions of new stars. The filament connects two clusters of galaxies that, along with a third cluster, will smash together and give rise to one of the l...
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Isolated globular cluster
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Title: Discovery of the most isolated globular cluster in the local universe Authors: In Sung Jang, Sungsoon Lim, Hong Soo Park, Myung Gyoon Lee We report the discovery of two new globular clusters in the remote halos of M81 and M82 in the M81 Group based on Hubble Space Telescope archive images. They...
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NGC 5044 and 4636
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Title: Spitzer Observations of Transient, Extended Dust in Two Elliptical Galaxies: New Evidence of Recent Feedback Energy Release in Galactic Cores Authors: Pasquale Temi, Fabrizio Brighenti, William G. Mathews Spitzer observations of extended dust in two optically normal elliptical gala...
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Abell 1201
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Title: Abell 1201: a Minor merger at second core passage Authors: Cheng-Jiun Ma, Matt Owers, Paul E. J. Nulsen, Brian R. McNamara, Stephen S. Murray, Warrick J. Couch We present an analysis of the structures and dynamics of the merging cluster Abell~1201, which has two sloshing cold fronts around a...
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Abell 3667
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Title: Properties of the intracluster medium of Abell 3667 observed with Suzaku XIS Authors: H. Akamatsu, J. de Plaa, J. Kaastra, Y. Ishisaki, T. Ohashi, M. Kawaharada, K. Nakazawa We observed the northwest region of the cluster of galaxies A3667 with the Suzaku XIS instrument. The temperature an...
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PKS 0048-097
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Title: On the redshift of the bright BL Lac object PKS 0048-097 Authors: Marco Landoni, Renato Falomo, Aldo Treves, Boris Sbarufatti, Roberto Decarli, Fabrizio Tavecchio, Jari Kotilainen Aims: The determination of elusive redshifts of bright BL Lac objects Methods: We use the capabilities of n...
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AGN cosmological distance
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Title: A new cosmological distance measure using AGN Authors: D. Watson (1), K. D. Denney (1), M. Vestergaard (1), T. M. Davis (2) ((1) Dark Cosmology Centre, U. Copenhagen, (2) U. Queensland) Accurate distances to celestial objects are key to establishing the age and energy density of the Univers...
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Abell 1185
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Hubble Sees the Eye of the Storm in Galaxy Cluster Credit: ESA/Hubble & NASA Expand This image from the NASA/ESA Hubble Space Telescope could seem like a quiet patch of sky at first glance. But zooming into the central part of a galaxy cluster - one of the largest structures of the Universe - is ra...
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BL Lacertae objects
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Title: On the relationship between BL Lacertae objects and radio galaxies Authors: Hermine Landt (1), Hayley E. Bignall (2,3) ((1) Harvard-Smithsonian CfA, (2) JIVE, (3) Curtin University of Technology) We present deep radio images at 1.4 GHz of a large and complete sample of BL Lacertae objects...
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Dwarf spheroidal galaxies
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Cosmic Dance Helps Galaxies Lose Weight A study published this week in the journal Nature offers an explanation for the origin of dwarf spheroidal galaxies. The research may settle an outstanding puzzle in understanding galaxy formation. Dwarf spheroidal galaxies are small and very faint, cont...
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Abell 1555
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Title: Suzaku Observation of Abell 1555 and Abell 1558: Searching for Non-thermal Emission from Large Scale Structure Formation Authors: Ryu Makiya, Tomonori Totani, Kazuhiro Nakazawa We report X-ray observations of two galaxy clusters Abell 1555 and Abell 1558 with Suzaku, which are include...
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Muñoz 1 globular cluster
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'Ridiculously' Dim Bevy of Stars Found Beyond Milky Way Credit: Geha & Muñoz A team of American, Canadian and Chilean astronomers have stumbled onto a remarkably faint cluster of stars orbiting the Milky Way that puts out as much light as only 120 modest Sun-like stars. The tiny cluster, calle...
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Bubble Universe
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Title: More on the Evidence for a Bubble Universe with a Mass ~10^21 solar masses Authors: Michael J. Longo This is a very informal report that gives further details on the evidence for a bubble universe based on an anomaly in the angular distribution of quasar magnitudes that was presented in a short...
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z~6 Protocluster
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Title: Discovery of a protocluster at z~6 Authors: Jun Toshikawa, Nobunari Kashikawa, Kazuaki Ota, Tomoki Morokuma, Takatoshi Shibuya, Masao Hayashi, Tohru Nagao, Linhua Jiang, Matthew A. Malkan, Eiichi Egami, Kazuhiro Shimasaku, Kentaro Motohara, Yoshifumi Ishizaki We report the discove...
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