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NGC 1624-2
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Title: NGC 1624-2: A slowly rotating, X-ray luminous Of?cp star with an extraordinarily strong magnetic field Authors: G.A. Wade, J. Maíz Apellaniz, F. Martins, V. Petit, J. Grunhut, N. R. Walborn, R.H. Barbá, M. Gagné, E. García-Melendo, J. Jose, A.F.J. Moffat, Y. Nazé, C. Neiner, A. Pellerin, M...
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Possible nova in Pegasus
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A possible magnitude 13.9 nova was detected in the constellation Pegasus on the 13th September, 2012, by K. Itagaki (Japan). Image Position (J2000): R.A. 23 27 27.15 | Dec. +08° 55' 39.1''
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V369 Geminorum
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Title: V369 Gem: A New Ellipsoidal Variable System With High Level Chromospheric Activity Authors: H. A. Dal, E. Sipahi, O. Özdarcan In this study, we present BVR photometry of V369 Gem in 2006 - 2008. We combined our V data with the data taken from the literature. We analysed all the data together and...
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GSC 4589-2999
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Title: Brightness variations in totally-eclipsing binary GSC4589-2999 Authors: E. Sipahi, H. A. Dal, O. Özdarcan We present multi-colour CCD photometry of GSC4589-2999 obtained in 2008 and 2009. The observations indicate that the system is an active Algol binary. Based on the new data, the mea...
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Low-Mass Stars
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Title: A New Twist In the Evolution of Low-Mass Stars Authors: Pavel A. Denissenkov (University of Victoria) We show that the evolutionary track of a low-mass red giant should make an extended zigzag on the Hertzsprung-Russel diagram just after the bump luminosity, if fast internal rotation and e...
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HD 194816
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Title: Is there a compact companion orbiting the late O-type binary star HD 164816? Authors: L. Trepl, V. V. Hambaryan, T. Pribulla, N. Tetzlaff, R. Chini, R. Neuhäuser, S. B. Popov, O. Stahl, F. M. Walter, M. M. Hohle We present a multi-wavelength (X-ray, gamma-ray, optical and radio) study of HD 19...
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HD 221356
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Title: A new L-dwarf member of the moderately metal-poor triple system HD 221356 Authors: B. Gauza, V. J. S. Béjar, R. Rebolo, K. Peńa Ramírez, M. R. Zapatero Osorio, A. Pérez-Garrido, N. Lodieu, D. J. Pinfield, R. G. McMahon, E. González-Solares, J. P. Emerson, S. Boudreault, M. Banerji We report o...
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CG Aurigae
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Title: An Eccentric Eclipsing Binary: CGAur Authors: Esin Sipahi, Hasan Ali Dal In this study, we present CG Aur's photometric observations obtained in the observing seasons 2011 and 2012, the first available multi-colour light curves. Their shape indicates that the system is an Algol binary. T...
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XTE J1946+274
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Title: The reawakening of the sleeping X-ray pulsar XTE J1946+274 Authors: Sebastian Müller, Matthias Kühnel, Isabel Caballero, Katja Pottschmidt, Felix Fürst, Ingo Kreykenbohm, Macarena Sagredo, Maria Obst, Jörn Wilms, Carlo Ferrigno, Richard E. Rothschild, Rüdiger Staubert We report on...
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IRAS 01202+6133
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Title: IRAS 01202+6133 : A Possible Case of Protostellar Collapse Triggered by a Small HII Region Authors: Sung-Ju Kang, C.R.Kerton We present an analysis of HCO+ (J=3-2) and H13CO+ (J=3-2) observations of the massive (M ~ 20 solar masses) submm/IR source IRAS 01202+6133 located on the periphery...
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DV Piscium
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Title: Photometric study of the short-period RS CVn eclipsing binary DV Psc Authors: Qingfeng Pi, Liyun Zhang, Zhongmu Li, Hongyan Sang, Zhongzhong Zhu We present our new photometry of DV Psc obtained in 2010 and 2011, and new spectroscopic observation on Feb. 14, 2012. During our observations, t...
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HD 178875
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Title: Pulsational amplitude growth of the star KIC 3429637 (HD 178875) in the context of Am and rho Puppis stars Authors: Simon J. Murphy, A. Grigahcene, E. Niemczura, D. W. Kurtz, K. Uytterhoeven KIC 3429637 (HD 178875) is a delta Sct star whose light-curve shows continuous pulsational amplitud...
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Eta Aquilae
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On 10 September 1784 Edward Pigott detected the variability of Eta Aquilae, then known as "Eta Antinoi", and the first known representative of a class of variable stars later called Delta Cephei stars or, perhaps somewhat misleadingly, "Cepheids". This discovery occurre...
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XGPS-I J183251-100106
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Title: Detection of X-ray periodicity from a new eclipsing polar candidate XGPS-I J183251-100106 Authors: C. Y. Hui (1), K. A. Seo (1), C. P. Hu (2), L. C. C. Lin (3), Y. Chou (2) ((1) Chungnam National University, (2) National Central University, (3) China Medical University) We report the results...
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HH 80/81/80N
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Title: Centimetre continuum observations of the northern head of the HH 80/81/80N jet: revising the actual dimensions of a parsec scale jet Authors: Josep M. Masqué, Josep M. Girart, Robert Estalella, Luis F. Rodríguez, Maria T. Beltrán We present 6 and 20 cm JVLA/VLA observations of the northern...
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