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OGLE-LMC-CEP-1812
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Title: The Araucaria Project. Accurate determination of the dynamical mass of the classical Cepheid in the eclipsing system OGLE-LMC-CEP-1812 Authors: G. Pietrzynski, I. Thompson, D. Graczyk., W. Gieren, B. Pilecki, A. Udalski, I. Soszynski, G. Bono, P. Konorski, N. Nardetto, J. Storm We have...
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Xi Boötis A
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Title: Long-term magnetic field monitoring of the Sun-like star Ksi Boo A Authors: A. Morgenthaler, P. Petit, S. Saar, S.K. Solanki, M. Auriere, B. Dintrans, R. Fares, T. Gastine, J. Lanoux, F. Lignieres, S.C. Marsden, J. Morin, F. Paletou, J.C. Ramirez Velez, S. Theado, V. Van Grootel Aims. We aim...
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BY Draconis
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Title: New high precision orbital and physical parameters of the double-lined low-mass spectroscopic binary BY Draconis Authors: K. G. Heminiak, M. Konacki, M. W. Muterspaugh, S. E. Browne, A. W. Howard, S. R. Kulkarni We present the most precise to date orbital and physical parameters of the wel...
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V1212 Tauri
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Title: The orbital and superhump periods of the SU UMa-type dwarf nova V1212 Tauri Authors: Jeremy Shears, Tom Krajci, Enrique de Miguel, Ian Miller, Etienne Morelle, George Roberts, Richard Sabo, William Stein, Raoul Behrend We report CCD photometry of the superoutburst of the dwarf nova V1212...
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NGC 6791 sdB star B4
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Title: Exploring B4: A Pulsating sdB star, in a Binary, in the Open Cluster NGC 6791 Authors: Herbert Pablo, Steven D. Kawaler, Elizabeth M. Green We report on Kepler photometry of the hot sdB star B4 in the open cluster NGC 6791. We confirm that B4 is a reflection effect binary with an sdB component and...
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V1162 Orion
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Title: V1162 Orion: Updated Amplitude and Period Variation Authors: Pongsak Khokhuntod, Ai-Ying Zhou, Chayan Boonyarak, Shi-Yang Jiang In 2010 November 23-25, we found that the amplitude of V1162 Orion, a delta Scuti star, recovered to about 0.18 mag in V band. An updated (O-C) diagram is provid...
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BG Arietis
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Title: Superhumps and grazing eclipses in the dwarf nova BG Arietis Authors: Jeremy Shears, David Boyd, Tut Campbell, Franz-Josef Hambsch, Enrique de Miguel, Ian Miller, Etienne Morelle, George Roberts, Richard Sabo, Bart Staels We report unfiltered photometry of BG Arietis (= SDSS J015151.8...
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Wolf-Rayet star WR60a
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Title: A New Galactic Wolf-Rayet Star in Centaurus Authors: A. Roman-Lopes In this work I communicate the detection of a new Galactic Wolf-Rayet star (WR60a) in Centaurus. The H- and K-band spectra of WR60a, show strong carbon near-infrared emission lines, characteristic of Wolf-Rayet stars of...
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Beta Canis Minoris
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Title: Gas Distribution, Kinematics, and Excitation Structure in the Disks around the Classical Be Stars Beta Canis Minoris and Zeta Tauri Authors: Stefan Kraus, John D. Monnier, Xiao Che, Gail H. Schaefer, Yamina Touhami, Douglas R. Gies, Jason Aufdenberg, Fabien Baron, Nathalie Thureau, The...
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HIP 57274
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Title: M2K: II. A Triple-Planet System Orbiting HIP 57274 Authors: Debra A. Fischer, Eric Gaidos, Andrew Howard, Matthew Giguere, John A. Johnson, Geoffrey W. Marcy, Jason T. Wright, Kelsey I. Clubb, Howard Isaacson, Kevin Apps, Sebastien Lepine, Andrew Mann, John Moriarty, John Brewer, Julie...
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HD 163607
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Title: A High Eccentricity Component in the Double Planet System Around HD 163607 and a Planet Around HD 164509 Authors: Matthew J. Giguere, Debra A. Fischer, Andrew W. Howard, John A. Johnson, Gregory W. Henry, Jason T. Wright, Geoffrey W. Marcy, Howard T. Isaacson, Fengji Hou, Julien Spronck We r...
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HD 142184
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Title: HR 5907: Discovery of the most rapidly rotating magnetic B-type star by the MiMeS Collaboration Authors: J.H. Grunhut, Th. Rivinius, G.A. Wade, R.H.D. Townsend, W.L.F. Marcolino, D.A. Bohlender, Th. Szeifert, V. Petit, J.M. Matthews, J.F. Rowe, A.F.J. Moffat, T. Kallinger, R. Kuschnig...
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Cataclysmic variable in Draco
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A new magnitude 11.8 cataclysmic variable star (possibly a WZ Sge-type variable) in the constellation Draco was discovery by H. Nishimura (Japan,) on the 5th September, 2011. Position (J2000): R.A. 18 42 27.92 | Dec. +48° 37' 42.5''
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HD 144277
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Title: Regular frequency patterns in the classical delta Scuti star HD 144277 observed by the MOST satellite Authors: K. Zwintz, P. Lenz, M. Breger, A. A. Pamyatnykh, T. Zdravkov, R. Kuschnig, J. M. Matthews, D. B. Guenther, A. F. J. Moffat, J. F. Rowe, S. M. Rucinski, D. Sasselov, W. W. Weiss We prese...
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GO Cygni
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Title: Close Binary System GO Cyg Authors: B. Ulas, B. Kalomeni, V. Keskin, O. Kose, K. Yakut In this study, we present long term photometric variations of the close binary system GO Cyg. Modelling of the system shows that the primary is filling Roche lobe and the secondary of the system is almost fill...
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