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1RXS J0603.3+4214
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Title: Simulating the Toothbrush: Evidence for a triple merger of galaxy clusters Authors: M. Bruggen (1), R.J. van Weeren (2 and 3), H.J.A. Rottgering (2) ((1) University of Hamburg, (2) Sterrewacht Leiden (3) ASTRON) The newly discovered galaxy cluster 1RXS J0603.3+4214 hosts a 1.9 Mpc long, b...
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H-alpha emitters
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Title: The clustering of H-alpha emitters at z=2.23 from HiZELS Authors: J. E. Geach (McGill), D. Sobral (Leiden), R. C. Hickox (Dartmouth), D. A. Wake (Yale), Ian Smail (Durham), P. N. Best (IfA, Edinburgh), C. M. Baugh (Durham), J. P. Stott (Durham) We present a clustering analysis of 370 high-co...
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Abell 3376
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Title: Spectral and polarisation study of the double relics in Abell 3376 using the GMRT and the VLA Authors: Ruta Kale (1,2,3,4), K. S. Dwarakanath (4), Joydeep Bagchi (3), Surajit Paul (3) ((1) Dipartimento di Astronomia, University of Bologna, (2) INAF-IRA, Bologna, (3) Inter University Cent...
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NGC 7465/4/3
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Title: Study of the structure and kinematics of the NGC 7465/64/63 triplet galaxies Authors: O.A. Merkulova (1), G.M. Karataeva (1), V.A. Yakovleva (1), A.N. Burenkov (2) ((1) Astronomical Institute of Saint-Petersburg State University, Russia, (2) Special Astrophysical Observatory, Russ...
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SDSS J1425+3231
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Title: Two in one? A possible dual radio-emitting nucleus in the quasar SDSS J1425+3231 Authors: S. Frey, Z. Paragi, T. An, K. E. Gabanyi The radio-emitting quasar SDSS J1425+3231 (z=0.478) was recently found to have double-peaked narrow [O III] optical emission lines. Based on the analysis of th...
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SDSS J1320+1644
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Title: The quasar-galaxy cross SDSS J1320+1644: A probable large-separation lensed quasar Authors: Cristian E. Rusu, Masamune Oguri, Masanori Iye, Naohisa Inada, Issha Kayo, Min-Su Shin, Dominique Sluse, Michael A. Strauss We report the discovery of a pair of quasars at z=1.487, with a separa...
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Supernova 2005ke
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A magnitude 16.3 (and rising), Supernova 2005ke, was discovered on November 13th, 2005 by the Lick Observatory Supernova Search, in the galaxy NGC 1371, located 40" east and 40" south of the centre.
Position(20...
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High-redshift quasars
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Title: X-ray emission from high-redshift miniquasars: self-regulating the population of massive black holes through global warming Authors: Takamitsu Tanaka (MPA), Rosalba Perna (JILA/Colorado), Zoltán Haiman (Columbia University) Observations of high-redshift quasars at z>6 impl...
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PTF10fqs
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A magnitude 20.1 extragalactic nova, PTF10fqs (M99 2010-03a), was discovered by the Palomar Transient Factory in the galaxy M99, on the 16th March, 2010. The nova is located 8.1" east and 99.9" north from the center of the galaxy. Position (2000): RA 12 18 50.16, Dec +14°26'39.2"...
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CID-42
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CID-42: A Black Hole Slingshot?
Evidence for a recoiling black hole has been found using data from the Chandra X-ray Observatory, XMM-Newton, the Hubble Space Telescope (HST), and several ground-based telescopes. This black hole kickback was caused either by a slingshot effect produced in a t...
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MS2137.3-2353
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Title: Testing hydrostatic equilibrium in galaxy cluster ms 2137 Authors: I-Non Chiu, Sandor M. Molnar, Pisin Chen We test the assumption of strict hydrostatic equilibrium in galaxy cluster MS2137.3-2353 (MS 2137) using the latest CHANDRA X-ray observations and results from a combined strong...
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NGC5746
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Chandra X-ray telescope observations of the massive spiral galaxy NGC 5746 in the constellation Virgo, have revealed a large halo of hot gas (blue) surrounding the optical disk of the galaxy (white). The halo extends more than 60,000 light years on either side of the disk of...
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SPT-CL J0205-5829
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Title: SPT-CL J0205-5829: A z = 1.32 evolved massive galaxy cluster in the south pole telescope Sunyaev-Zel'dovich effect survey Authors: B. Stalder, J. Ruel, R. Suhada, M. Brodwin, K. A. Aird, K. Andersson, R. Armstrong, M. L. N. Ashby, M. Bautz, M. Bayliss, G. Bazin, B. A. Benson, L. E. Bleem, J. E....
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Standard Clocks
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Title: Searching for Standard Clocks in the Primordial Universe Authors: Xingang Chen, Christophe Ringeval Classically oscillating massive fields can be used as "standard clocks" in the primordial universe. They generate features in primordial density perturbations that direc...
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Abell 2256
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Title: First LOFAR observations at very low frequencies of cluster-scale non-thermal emission: the case of Abell 2256 Authors: R. J. van Weeren, H. J. A. Rottgering, D. A. Rafferty, R. Pizzo, A. Bonafede, M. Bruggen, G. Brunetti, C. Ferrari, E. Orru, G. Heald, J. P. McKean, C. Tasse, F. de Gasperin,...
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