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Short-period binary systems
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Title: Seven new binaries discovered in the Kepler light curves through the BEER method confirmed by radial-velocity observations Authors: S. Faigler, T. Mazeh, S. N. Quinn, D. W. Latham, L. Tal-Or We present seven newly discovered non-eclipsing short-period binary systems with low-mass comp...
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theta Cygni
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Title: Observational Constraints, Stellar Models, and Kepler Data for theta Cyg, the Brightest Star Observable by Kepler Authors: J.A. Guzik, G. Houdek, W.J. Chaplin, D. Kurtz, R.L. Gilliland, F. Mullally, J.F. Rowe, M.R. Haas, S.T. Bryson, M.D. Still, T. Boyajian The V=4.48 F4 main-sequence s...
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HDE 326823
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Title: A Binary Orbit for the Massive, Evolved Star HDE 326823, a WR+O System Progenitor Authors: Noel D. Richardson, Douglas R. Gies, Stephen J. Williams The hot star HDE 326823 is a candidate transition-phase object that is evolving into a nitrogen-enriched Wolf-Rayet star. It is also a known lo...
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Miras
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Mira variables pulsate with a period between 80 and 1000 days.
In visual light, the amplitude of the light change is in general between 2.5 and 10 magnitudes.
In infrared the amplitude is significantly smaller. Miras are of spectral type M, S or C, dependent on the ratio between the amount of carb...
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TW Normae
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Title: New Evidence Supporting Membership for TW Nor in Lynga 6 and the Centaurus Spiral Arm Authors: Daniel J. Majaess, David G. Turner, Christian Moni Bidin, Francesco Mauro, Douglas Geisler, Wolfgang Gieren, Dante Minniti, André-Nicolas Chené, Philip Lucas, Jura Borissova, Radostn Kurtev...
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HD 93250
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Title: The non-thermal radio emitter HD 93250 resolved by long baseline interferometry Authors: H. Sana, J.-B. Le Bouquin, M. De Becker, J.-P. Berger, A. de Koter, A. Merand As the brightest O-type X-ray source in the Carina nebula, HD 93250 (O4 III(fc)) is X-ray overluminous for its spectral type...
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HD 175679
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Title: A Possible Substellar Companion to the Intermediate-mass Giant HD 175679 Authors: Liang Wang, Bun'ei Sato, Gang Zhao, Yujuan Liu, Kunio Noguchi, Hiroyasu Ando, Hideyuki Izumiura, Eiji Kambe, Masashi Omiya, Hiroki Harakawa, Fan Liu, Xiaoshu Wu, Yoichi Takeda, Michitoshi Yoshida, Eiic...
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DASCH J075731.1+201735 or J0757
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Title: DASCH J075731.1+201735: Discovery of A Peculiar Slow Nova in A Peculiar Symbiotic Binary Authors: Sumin Tang, Jonathan Grindlay, Maxwell Moe, Jerome Orosz, Robert Kurucz, Samuel Quinn, Matthew Servillat We present photometric and spectroscopic observations of a peculiar slow nova (d...
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Cool White Dwarf Stars
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Title: Stars with Unusual Compositions: Carbon and Oxygen in Cool White Dwarf Stars Authors: P. Dufour I present a broad historical review on cool white dwarf stars with carbon and/or oxygen detected at the photosphere. This book chapter covers the observational signatures, physical propertie...
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ZZ Ceti stars
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Title: Toward ensemble asteroseismology of ZZ Ceti stars with fully evolutionary models Authors: Alejandra D. Romero, Alejandro H. Córsico, Leandro G. Althaus, S. O. Kepler, Barbara G. Castanheira, Marcelo M. Miller Bertolami ZZ Ceti stars form the most numerous group of degenerate variable s...
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SDSS J163030.58+423305.8
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Title: SDSS J163030.58+423305.8: A 40 minute Orbital Period Detached White Dwarf Binary Authors: Mukremin Kilic, Warren R. Brown, J. J. Hermes, Carlos Allende Prieto, S. J. Kenyon, D. E. Winget, K. I. Winget We report the discovery of a new detached, double white dwarf system with an orbital perio...
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HIP 38939B
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Title: HIP 38939B: A New Benchmark T Dwarf in the Galactic Plane Discovered with Pan-STARRS1 Authors: Niall R. Deacon (1), Michael C. Liu (1), Eugene A. Magnier (1), Brendan P. Bowler (1), Joshua Redstone (2), Bertrand Goldman (3), W. S. Burgett (1), K. C. Chambers (1), H. Flewelling (1), N. Kaiser (...
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CGCS 5926
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Title: Is CGCS 5926 a symbiotic X-ray binary? Authors: N. Masetti, U. Munari, A.A. Henden, K.L. Page, J.P. Osborne, S. Starrfield We here report on multiwavelength (X-ray to optical) followup observations of carbon star CGCS 5926. These were motivated by the fact that this star is positionally co...
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V1408 Aquilae
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Title: The Optical Orbital Light Curve of the Low-mass X-ray Binary V1408 Aquilae (= 4U 1957+115) Authors: Amanda J. Bayless, Edward L. Robinson, Paul A. Mason, Paul Robertson (Version v3) V1408 Aql (= 4U 1957+115) is a low-mass X-ray binary with an orbital period near 9.3 hr, whose compact star is a...
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SDSS J112003.40+663632.4
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Title: The 2011 February superoutburst of the dwarf nova SDSS J112003.40+663632.4 Authors: Jeremy Shears, Steve Brady, Tom Krajci, Enrique de Miguel, Mike Potter, Richard Sabo, William Stein We report unfiltered photometry of SDSS J112003.40+663632.4 during the 2011 February outburst whic...
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