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QS Telescopii
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Title: XMM-Newton observations of the X-ray soft polar QS Telescopii Authors: I. Traulsen, K. Reinsch, A. D. Schwope, V. Burwitz, S. Dreizler, R. Schwarz, F. M. Walter Context. On the basis of XMM-Newton observations, we investigate the energy balance of selected magnetic cataclysmic varia...
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GW Orionis
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Title: First astronomical unit scale image of the GW Ori triple. Direct detection of a new stellar companion Authors: J.-P. Berger, J. D. Monnier, R. Millan-Gabet, S. Renard, E. Pedretti, W. Traub, C. Bechet, M. Benisty, N. Carleton, P. Haguenauer, P. Kern, P. Labeye, F. Longa, M. Lacasse, F. Malbe...
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Quasi-stars
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Title: The Structure and Evolution of Quasi-stars Authors: Warrick H. Ball (1), Christopher A. Tout (1), Anna N. Zytkow (1), John J. Eldridge (1) ((1) Institute of Astronomy, University of Cambridge) The existence of bright quasars at high redshifts implies that supermassive black holes were ab...
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V650 Tauri
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Title: Asterosesimology of the Delta Scuti Star V650 Tauri Authors: L. Fox-Machado, R. Michel, M. Alvarez, J.N. Fu, C. Zurita The preliminary results of a multisite photometric campaign on the Pleiades Delta Scuti variable V650 Tauri are reported. The star was observed photometrically for 14 da...
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Alpha Camelopardalis
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Speed Demon Creates a Shock Just as some drivers obey the speed limit while others treat every road as if it were the autobahn, some stars move through space faster than others. NASA's Wide-field Infrared Survey Explorer, or WISE, captured this image of the star Alpha Camelopardalis, or Alpha Cam in...
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KS Ursae Majoris
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The cataclysmic variable star KS Ursae Majoris is in outburst. Date: 14th March, 2011 Magnitude range: 12.2 - 16.2 V Period: ? Satellite period: 0.06796 days Type: SU UMa Position(2000): RA=10 20 26.52, Dec+53°04'33.2"
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TX Cancri
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Title: CCD Photometric Study of the Contact Binary TX Cnc in the Young Open Cluster NGC 2632 Authors: Liu Liang, Qian Shengbang, BOONRUCKSAR Soonthornthum, Zhu Liying, He Jiajia, J.-Z. Yuan TX Cnc is a member of the young open cluster NGC 2632. In the present paper, four CCD epochs of light minimum an...
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SS Arietis
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Title: SS Ari: a shallow-contact close binary system Authors: Liu Liang, Qian Shengbang, He Jiajia, Zhang Jia, Li Linjia Two CCD epochs of light minimum and a complete R light curve of SS Ari are presented. The light curve obtained in 2007 was analysed with the 2003 version of the W-D code. It is shown t...
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SDSS J08205+0008
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Title: Binaries discovered by the MUCHFUSS project SDSS J08205+0008 - An eclipsing subdwarf B binary with brown dwarf companion Authors: S. Geier, V. Schaffenroth, H. Drechsel, U. Heber, T. Kupfer, A. Tillich, R. H. Oestensen, K. Smolders, P. Degroote, P. F. L. Maxted, B. N. Barlow, B. T. Gaensick...
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2MASS 1207 b
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Title: Evidence Against an Edge-On Disk Around the Extrasolar Planet 2MASS 1207 b and a New Thick Cloud Explanation for its Under-Luminosity Authors: Andrew J. Skemer, Laird M. Close, László Sz\Hucs, Dániel Apai, Ilaria Pascucci, Beth A. Biller Since the discovery of the first directly-imaged,...
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HD 176582
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Title: The Discovery of a Strong Magnetic Field and Co-rotating Magnetosphere in the Helium-weak Star HD 176582 Authors: David A. Bohlender, Dmitry Monin We report the detection of a strong, reversing magnetic field and variable H-alpha emission in the bright helium-weak star HD 176582 (HR 7185...
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UX Monocerotis
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Title: UX Mon as a W Ser binary Authors: D. Sudar, P. Harmanec, H. Lehmann, S. Yang, H. Boi, D. Rudjak Using our new photometric and spectroscopic observations as well as all available published data, we present a new interpretation of the properties of the peculiar emission-line binary UX Mon. We co...
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Ross 458C
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Title: The properties of the T8.5p dwarf Ross 458C Authors: Ben Burningham, S. K. Leggett, D. Homeier, D. Saumon, P.W. Lucas, D. J. Pinfield, C. G. Tinney, F. Allard, M. S. Marley, H.R.A. Jones, D. N. Murray, M. Ishii, A. D. Jones, J. Gomes, Z. Zhang We present near-infrared photometry and spectrosco...
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HMXB 1A 1118-61
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Title: Suzaku observations of the HMXB 1A 1118-61 Authors: Slawomir Suchy, Katja Pottschmidt, Richard E. Rothschild, Joern Wilms, Felix Fuerst, Laura Barragan, Isabel Caballero, Victoria Grinberg, Ingo Kreykenbohm, Victor Doroshenko, Andrea Santangelo, Ruediger Staubert, Yukikatsu Ter...
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QZ Carinae
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Title: X-ray emission from the double-binary OB-star system QZ Car (HD 93206) Authors: E. R. Parkin, P. S. Broos, L. K. Townsley, J. M. Pittard, A. F. J. Moffat, Y. Naze, G. Rauw, L. M. Oskinova X-ray observations of the double-binary OB-star system QZ Car (HD 93206) obtained with the Chandra X-ray Ob...
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