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QSO HE 0238 - 1904
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Title: Highly Ionised Collimated Outflow from HE 0238 - 1904 Authors: Sowgat Muzahid (IUCAA), Raghunathan Srianand (IUCAA), Blair D. Savage (Wisconsin), Anand Narayanan (IIST), Vijay Mohan (IUCAA), Gulab C. Dewangan (IUCAA) We present a detailed analysis of a highly ionised, multiphased and...
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Abell 383
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Title: The Dark Matter Distribution in Abell 383: Evidence for a Shallow Density Cusp from Improved Lensing, Stellar Kinematic and X-ray Data Authors: Andrew B. Newman, Tommaso Treu, Richard S. Ellis, David J. Sand We extend our analyses of the dark matter (DM) distribution in relaxed clusters to...
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Young galaxies
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ESO's VLT takes the search for young galaxies to new limits Staring for the equivalent of every night for two weeks at the same little patch of sky with ESO's Very Large Telescope, an international team of astronomers has found the extremely faint light from teenage galaxies billions of light years a...
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MRC0316-257
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Title: A z~3 radio galaxy and its protocluster: evidence for a superstructure? Authors: E. Kuiper, B. P. Venemans, N. A. Hatch, G. K. Miley, H. J. A. Rottgering We present spectroscopic follow-up observations of Lyman Break Galaxies (LBGs) selected in the field surrounding the radio galaxy MRC03...
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Abell 1758N
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Title: Abell 1758N from an optical point of view: new insights on a merging cluster with diffuse radio emission Authors: W. Boschin, M. Girardi, R. Barrena, M. Nonino We seek to explore the internal dynamics of the cluster Abell 1758N, which has been shown to host a radio halo and two relics, and is kno...
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Abell1689
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Title: The sizes of galaxy halos in galaxy cluster Abell 1689
Authors: A. Halkola, S. Seitz, M. Pannella
The multiple images observed in galaxy cluster Abell 1689 provide strong constraints not only on the mass distribution of the cluster but also on the ensemble properties...
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Markarian 573
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Title: Cheers results on Mrk 573: Study of deep Chandra observations Authors: Alessandro Paggi, Junfeng Wang, Giuseppina Fabbiano, Martin Elvis, Margarita Karovska We present results on Mrk 573 obtained as part of the CHandra survey of Extended Emission-line Regions in nearby Seyfert galaxie...
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Abell 2151
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VST captures collisions in young galaxy cluster The VLT Survey Telescope (VST) at ESO's Paranal Observatory in Chile has imaged a fascinating collection of interacting galaxies in the Hercules galaxy cluster. The sharpness of the new picture, and the hundreds of galaxies captured in great detai...
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IRAS F10214+4724
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Title: A new model for the infrared emission of IRAS F10214+4724 Authors: Andreas Efstathiou, Natalie Christopher, Aprajita Verma, Ralf Siebenmorgen We present a new model for the infrared emission of the high redshift hyperluminous infrared galaxy IRAS F10214+4724 which takes into account r...
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z=2.2 Leo Galaxy Cluster
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Galaxy Cluster Hidden in Plain View A team of astronomers has discovered the most distant cluster of red galaxies ever observed using FourStar, a new and powerful near-infrared camera on the 6.5m Magellan Baade Telescope. The galaxy cluster is located 10.5 billion light years away in the directio...
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Protocluster in SSA22 field
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Title: Assembly of Massive Galaxies in a High-z Protocluster Authors: Yuka K. Uchimoto, Toru Yamada, Masaru Kajisawa, Mariko Kubo, Takashi Ichikawa, Yuichi Matsuda, Masayuki Akiyama, Tomoki Hayashino, Masahiro Konishi, Tetsuo Nishimura, Koji Omata, Ryuji Suzuki, Ichi Tanaka, Chihiro Toko...
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Hubble volume
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Title: How does the Hubble Sphere limit our view of the Universe Authors: Geraint F. Lewis, Pim van Oirschot It has recently been claimed that the Hubble Sphere represents a previously unknown limit to our view of the universe, with light we detect today coming from a proper distance less than this &q...
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Abell 2163
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Title: Dark matter distribution in the merging cluster Abell 2163 Authors: G. Soucail The cluster Abell 2163 is a merging system of several subclusters with complex dynamics. It presents exceptional X-rays properties (high temperature and luminosity), suggesting that it is a very massive clus...
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Virgo Stellar Stream
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Title: Update on the Nature of Virgo Overdensity Authors: Ana Bonaca, Mario Juric, Zeljko Ivezic, Dmitry Bizyaev, Howard Brewington, Elena Malanushenko, Viktor Malanushenko, Daniel Oravetz, Kaike Pan, Alaina Shelden, Audrey Simmons, Stephanie Snedden We use the Eighth Data Release of Sloan...
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PKS 1222+216
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Title: Evidence for an axion-like particle from PKS 1222+216? Authors: F. Tavecchio, M. Roncadelli, G. Galanti, G. Bonnoli The surprising discovery by MAGIC of an intense, rapidly varying very high energy (E>50 GeV) emission from the flat spectrum radio quasar PKS 1222+216 represents a...
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