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Zeta Arietis
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Occultation of the magnitude +4.87, A-type main sequence dwarf Zeta Arietis in the constellation Aries by the Moon (73%). The event is visible from Europe and North America. Zeta Arietis is approximately 340 light years from Earth. Aberdeen: 23:01 31 UT, 14th January, 201...
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G77-50
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Title: The Magnetic and Metallic Degenerate G77-50 Authors: J. Farihi, P. Dufour, R. Napiwotzki, D. Koester An accumulation of multi-epoch, high-resolution, optical spectra reveal that the nearby star G77-50 is a very cool DAZ white dwarf externally polluted by Mg, Fe, Al, Ca, and possibly Na, C...
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LMC-SC1-105
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Title: The Distance to the Massive Eclipsing Binary LMC-SC1-105 in the Large Magellanic Cloud Authors: Alceste Z. Bonanos, Norberto Castro, Lucas M. Macri, Rolf-Peter Kudritzki This paper presents the first distance measurement to the massive, semi-detached, eclipsing binary LMC-SC1-105,...
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Eta Piscium
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Occultation of the magnitude +3.62, Spectral type G7 III multiple star Eta Piscium in the constellation Pisces by the Moon. The event is visible from South Africa and South America. Eta Piscium is approximately 294 light years from Earth. 21:20 - 23:25 UT, 12th January, 2011 Position(2000): RA 01...
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YSO IRAS 17527-2439
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Title: A parsec-scale outflow from the luminous YSO IRAS 17527-2439 Authors: Watson P. Varricatt Imaging observations of IRAS 17527-2439 are obtained in the near-IR JHK photometric bands and in a narrow-band filter centred at the wavelength of the H_2 1-0 S(1) line. The continuum-subtracted H_...
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Possible variable in Orion
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A possible magnitude 14.4 variable star was discovered on the 8th January, 2011, in the constellation Orion. As yet the type is unknown. Position(2000): RA = 06 19 59.96, Dec = +19 26 59.0
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Blobrana
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SDSS 154453+2553
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Title: The New Eclipsing Cataclysmic Variable SDSS 154453+2553 Authors: Julie N. Skinner, John R. Thorstensen, Eve Armstrong, Steve Brady The cataclysmic variable SDSS154453+2553 was recently identified in the Sloan Digital Sky Survey. We obtained spectra and photometry at the MDM Observat...
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U Ophiuchi
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Minimum of U Ophiuchi variable star at 5:25 GMT, 9th January, 2011. Magnitude=6.6mag Max=5.8mag Period= 1.7days Type: Eclipsing Algol type binary Eclipse begins at about 2:09 and ends at 8:35 GMT. Position(2000): RA=17 16 31.7159, Dec= +01 12 37.964
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V374 Pegasi
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Title: Powerful Winds from Low-Mass Stars: V374 Peg Authors: A. A. Vidotto (1), M. Jardine (1), M. Opher (2), J.-F. Donati (3), T. I. Gombosi (4) ((1) Univ. of St Andrews - UK, (2) George Mason University - USA, (3) Obs. Midi-Pyrenees - France, (4) University of Michigan - USA) (Version v2) The rapid ro...
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HD 37124
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Title: The California Planet Survey III. A Possible 2:1 Resonance in the Exoplanetary Triple System HD 37124 Authors: J. T. Wright, Dimitri Veras, Eric B. Ford, John Asher Johnson, G. W. Marcy, A. W. Howard, H. Isaacson, D. A. Fischer, J. Spronk, J. Anderson, J. Valenti We present new radial velocit...
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1RXS J053234.9+624755
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Title: 2009 Superoutburst of Dwarf Nova 1RXS J053234.9+624755 Authors: A. Rutkowski, A. Olech, R. Poleski, M. Sobolewska, P. Kankiewicz, T.Ak, D. Boyd We present photometric observations of the dwarf nova 1RXS J053234.9+624755. We performed a detailed analysis of the superoutburst that occu...
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QSO J0035-0918
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Title: A Carbon-enhanced Metal-poor Damped Lyman alpha System: Probing Gas from Population III Nucleosynthesis? Authors: Ryan Cooke (Institute of Astronomy, University of Cambridge), Max Pettini (Institute of Astronomy, University of Cambridge), Charles C. Steidel (California Institut...
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Nu Ophiuchi
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Nu Ophiuchi ( Oph, Oph) is a Class K0, third-magnitude star in the constellation Ophiuchus. Its closest stellar neighbour is the bright binary system Tau Ophiuchi, roughly 16.9 light years away from the star. Read more
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O Stars
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Title: The Sparsest Clusters With O Stars Authors: J. B. Lamb, M. S. Oey, J. K. Werk, L. D. Ingleby There is much debate on how high-mass star formation varies with environment, and whether the sparsest star-forming environments are capable of forming massive stars. To address this issue, we have ob...
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GJ569Bab
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Title: Lucky Imaging Adaptive Optics of the brown dwarf binary GJ569Bab Authors: Autors: B. Femenía (1 and 2), R. Rebolo (1 and 3), J. A. Pérez-Prieto (1), S. R. Hildebrandt (1 and 4), L. Labadie (1 and 2), A. Pérez-Garrido (5), V. J. S. Béjar (1 and 2), A. Díaz-Sánchez (5), I. Villó (5), A. Oscoz (1), R. L...
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