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HD 150136
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Title: Evidence for a physically bound third component in HD 150136 Authors: L. Mahy, E. Gosset, H. Sana, Y. Damerdji, M. De Becker, G. Rauw, C. Nitschelm Context. HD150136 is one of the nearest systems harbouring an O3 star. Although this system was for a long time considered as binary, more recent i...
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91 Aquarii
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Title: Precise radial velocities of giant stars V. A brown dwarf and a planet orbiting the K giant stars tau Gem and 91 Aqr Authors: D. S. Mitchell, S. Reffert, T. Trifonov, A. Quirrenbach, D. A. Fischer We aim to detect and characterise substellar companions to K giant stars, to further our knowledge...
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CI Aquilae
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Title: CI Aql: a Type Ia supernova progenitor? Authors: Dave Sahman, Vik Dhillon, Tom Marsh, Sarah Moll, Tim Thoroughgood, Chris Watson, Stuart Littlefair If recurrent novae are progenitors of Type Ia supernovae, their white dwarfs must have masses close to the Chandrasekhar limit. The most rel...
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HD 112999
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Title: Photometric and spectroscopic variations of the Be star HD 112999 Authors: M. A. Corti, R. C. Gamen, Y. J. Aidelman, G. A. Ferrero, W. A. Weidmann Be objects are stars of B spectral type showing lines of the Balmer series in emission. The presence of these lines is attributed to the existence of...
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IRAS 05327+3404
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Title: Millimetric and sub-millimetric observations of IRAS 05327+3404 "Holoea" in M36 Authors: O. Morata, Y. J. Kuan, P. T. P. Ho, H. C. Huang, E. A. Magnier, R. Zhao-Geisler The transition between the proto-star, Class I, and the pre-main sequence star, Class II, phases is still one o...
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WR 104
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Astronomers have spotted a binary star system that could collapse to produce a massive gamma-ray burst at any point during the next few hundred thousand years and it is pointing at Earth. The binary star system WR 104, some 8,000 light-years from Earth in the Sagittarius constellation, is made up of...
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IGR J015712-7259
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Title: Swift discovery of the orbital period of the HMXB IGR J015712-7259 in the SMC Authors: A. Segreto, G. Cusumano, V. La Parola (INAF IASF Palermo), A. D'Aì (UNIPA), N. Masetti (INAF -IASF Bo), P. D'Avanzo (INAF-OAB) In the last years the hard X-ray astronomy has made a significant step forward,...
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QZ Normae
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Title: Anchors for the Cosmic Distance Scale: the Cepheid QZ Normae in the Open Cluster NGC 6067 Authors: D. Majaess, L. Sturch, C. Moni Bidin, M. Soto, W. Gieren, R. Cohen, F. Mauro, D. Geisler, C. Bonatto, J. Borissova, D. Minniti, D. Turner, D. Lane, B. Madore, G. Carraro, L. Berdnikov Cepheids are...
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Hen 3-1341
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Title: Detection of X-rays from the jet-driving symbiotic star Hen 3-1341 Authors: Matthias Stute (1), Gerardo J. M. Luna (2, 3), Ignazio F. Pillitteri (3), Jennifer L. Sokoloski (4) ((1) Eberhard Karls Universitaet Tuebingen, (2) CONICET-UBA, (3) Harvard-Smithsonian Center for Astrophysic...
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NGC 7538 IRS9
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Title: The Spatial Distribution of Organics toward the High-Mass YSO NGC 7538 IRS9 Authors: Karin I. Oberg, Mavis Dufie Boamah, Edith C. Fayolle, Robin T. Garrod, Claudia Cyganowski, Floris van der Tak Based on astrochemical theory, the complex molecular composition around high-mass YSOs shou...
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RX J1037.5-5647
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Title: Finding a 60.9-day orbital period for the HMXB 4U 1036-56 with the Swift-BAT monitoring Authors: G. Cusumano, A. Segreto, V. La Parola, N. Masetti, A. D'Aì, G. Tagliaferri Since November 2004, the Burst Alert Telescope on board Swift is producing a monitoring of the entire sky in the 15-150 k...
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MN Lupi
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Title: MN Lup: X-rays from a weakly accreting T Tauri star Authors: H. M. Guenther, U. Wolter, J. Robrade, S. J. Wolk Young T Tauri stars (TTS) are surrounded by an accretion disk, which over time disperses due to photoevaporation, accretion, and possibly planet formation. The accretion shock on th...
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SDSS J000555.90-100213.5
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Title: SDSS J000555.90-100213.5: a hot, magnetic carbon-atmosphere WD rotating with a 2.1 day period Authors: K. A. Lawrie, M. R. Burleigh, P. Dufour, S. T. Hodgkin A surprisingly large fraction (70%) of hot, carbon dominated atmosphere (DQ) white dwarfs are magnetic and/or photometrically va...
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HD 165052
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Title: Apsidal motion in massive close binary systems. I. HD 165052 an extreme case? Authors: G. Ferrero, R. Gamen, O. G. Benvenuto, E. Fernández-Lajús We present a new set of radial-velocity measurements of the spectroscopic binary HD 165052 obtained by disentangling of high-resolution optic...
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PSR J2021+4026
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Title: Discovery of X-ray Pulsation from the Geminga-like Pulsar PSR J2021+4026 Authors: L. C. C. Lin (1), C. Y. Hui (2), C. P. Hu (3), J. H. K. Wu (4), R. H. H. Huang (4), L. Trepl (5), J. Takata (6), K. A. Seo (2), Y. Wang (6), Y. Chou (3), K. S. Cheng (6) ((1) China Medical University, (2) Chungnam National...
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