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HE 0437-5439
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Using ESO’s Very Large Telescope, astronomers have recorded a massive star moving at more than 2.6 million kilometres per hour. Stars are not born with such large velocities. Its position in the sky leads to the suggestion that the star was kicked out from the [url=http://www.geocities.com/amig...
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XTE J1739-302
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ESA’s Integral gamma-ray satellite observatory has discovered a new, highly populated class of X-ray fast ‘transient’ binary stars, undetected in previous observations.
With this discovery, Integral confirms how much the satellite is contributing to revealing a whole hidden Universe....
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Blobrana
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Ruprecht 93 Region
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Title: No Open Cluster in the Ruprecht 93 Region Authors: S. Cheon, H. Sung, M.S. Bessell UBVI CCD photometry has been obtained for the Ruprecht 93 (Ru 93) region. We were unable to confirm the existence of an intermediate-age open cluster in Ru 93 from the spatial distribution of blue stars. On the ot...
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HESS J1632-478
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Title: HESS J1632-478: an energetic relic Authors: M. Balbo, P. Saouter, R. Walter, L. Pavan, A. Tramacere, M. Pohl, J.-A. Zurita-Heras HESS J1632-478 is an extended and still unidentified TeV source in the galactic plane. In order to identify the source of the very high energy emission and to cons...
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Cygnus X North Complex
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Title: A Spitzer View of Star Formation in the Cygnus X North Complex Authors: I. M. Beerer, X. P. Koenig, J. L. Hora, R. A. Gutermuth, S. Bontemps, S. T. Megeath, N. Schneider, F. Motte, S. Carey, R. Simon, E. Keto, H. A. Smith, L. E. Allen, G. G. Fazio, K. E. Kraemer, S. Price, D. Mizuno, J. D. Adams, J. Her...
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4U 1822-37
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Title: New measurement of orbital and spin period evolution of the Accretion Disk Corona source 4U 1822-37 Authors: Chetana Jain, Biswajit Paul, Anjan Dutta 4U 1822-37 is a Low Mass X-ray Binary (LMXB) system with an Accretion Disk Corona. We have obtained 16 new mid-eclipse time measurements of t...
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Nemesis
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Title: Nemesis Reconsidered Authors: Adrian L. Melott (University of Kansas), Richard K. Bambach (Smithsonian Institution Museum of Natural History) The hypothesis of a companion object (Nemesis) orbiting the Sun was motivated by the claim of a terrestrial extinction periodicity, thought t...
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G-type Giants
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Title: Oscillations in the G-type Giants Authors: Hiroyasu Ando, Yusuke Tsuboi, Eiji Kambe, Bun'ei Sato The precise radial-velocity measurements of 4 G-type giants, 11Com, zeta Hya, epsilon Tau, and eta Her were carried out. The short-term variations with amplitudes, 1-7m/s and periods, 3-10...
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Wolf940B
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Title: The discovery of an M4+T8.5 binary system Authors: Ben Burningham, D.J.Pinfield, S.K.Leggett, C.G.Tinney, M.C.Liu, D. Homeier, A.A. West, A. Day-Jones, N.Huelamo, T.J.Dupuy, Z.Zhang, D.N.Murray, N. Lodieu, D. Barrado y Navascues, S. Folkes, M.C.Galvez-Ortiz, H.R.A. Jones, P. W. Lu...
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Blobrana
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V Cygni
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Title: Discovery of water vapour in the carbon star V Cygni from observations with Herschel/HIFI Authors: D. A. Neufeld, E. González-Alfonso, G. Melnick, M. Puecka, M. Schmidt, R. Szczerba, V. Bujarrabal, J. Alcolea, J. Cernicharo, L. Decin, C. Dominik, K. Justtanont, A. de Koter, A. P. Marston,...
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Z Cephei
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Maxima of long period variable Z Cephei on the 9th July, 2010. Magnitude: 10.8-15.4 Type: Mira Position (2000): RA 02 26 17.56, Dec +81 40 41.6
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Constellations
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Constellations are just groupings of stars used to identify a region of the sky. Some of our recognised constellations predate written records, and most originally came from the myths and legends of Mesopotamia, Egypt and Greece. A few of the constellations were charted by astronomers as late as 1...
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T Canis Minoris
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Maxima of long period variable T Canis Minoris on the 5th July, 2010. Magnitude: 10.5-14.0 Type: Mira Position (2000): RA 07 34 00.5, Dec +11 44 07
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CoKu Tau/4
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Title: The Disk Around CoKu Tau/4: Circumbinary, not Transitional Authors: M.J. Ireland, A.L. Kraus (Version v2) CoKu Tau/4 has been labelled as one of the very few known transition disk objects: disks around young stars that have their inner disks cleared of dust, arguably due to planetary forma...
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LMC X-3
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Title: The Constant Inner-Disk Radius of LMC X-3: A Basis for Measuring Black Hole Spin Authors: James F. Steiner, Jeffrey E. McClintock, Ronald A. Remillard, Lijun Gou, Shin'ya Yamada, Ramesh Narayan The black-hole binary system LMC X-3 has been observed by virtually every X-ray mission since t...
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