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OGLE-2007-BLG-368Lb
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Title: A Cold Neptune-Mass Planet OGLE-2007-BLG-368Lb: Cold Neptunes Are Common Authors: T. Sumi, D.P. Bennett, I.A. Bond, A. Udalski, V. Batista, M. Dominik, P. Fouqué, D. Kubas, A. Gould, B. Macintosh, K. Cook, S. Dong, L. Skuljan, A. Cassan, The MOA Collaboration: F. Abe, C.S. Botzler, A. Fuku...
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HD 48099
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Title: A new investigation of the binary HD 48099 Authors: L. Mahy, G. Rauw, F. Martins, Y. Naze, E. Gosset, M. De Becker, H. Sana, P. Eenens With an orbital period of about 3.078 days, the double-lined spectroscopic binary HD 48099 is, still now, the only short-period O+O system known in the Mon OB2 as...
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Rare metals
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Every cook knows the ingredients for making bread: flour, water, yeast, and time. But what chemical elements are in the recipe of our universe? Most of the ingredients are hydrogen and helium. These cosmic lightweights fill the first two spots on the famous periodic table of the elements. Less abun...
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SSTB213 J041757
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The best proto-brown dwarf candidate so far A recent study has found the best proto-brown dwarf candidate known to date. Calar Alto has contributed key data to this finding. This object, known as SSTB213 J041757, is placed in the constellation of Taurus, inside the dark cloud Barnard 213, at a dista...
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HD200775
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Title: Direct detection of a flared disk around a young massive star HD200775 and its 10 to 1000AU scale properties Authors: Yoshiko Kataza Okamoto, Hirokazu Kataza, M. Honda, H. Fujiwara, M. Momose, N. Ohashi, T. Fujiyoshi, I. Sakon, S. Sako, T. Yama****a, T. Miyata, T. Onaka We made mid-infrared...
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Stellar Jets
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Astrophysicists Move Closer to Understanding the Beauty Behind Stellar Jets Certain stars stream vast amounts of matter into space, creating some of the most beautiful objects in astronomers' telescopes. But while the astronomers can enjoy the beauty, they can't explain it. Adam Frank, profes...
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Delta Trianguli
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Delta Trianguli is a spectroscopic binary star system approximately 35 light-years away in the constellation of Triangulum. The primary star is a yellow dwarf, while the secondary star is thought to be an orange dwarf. Read more Po...
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HD136118
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Title: The Mass of the Candidate Exoplanet Companion to HD136118 from Hubble Space Telescope Astrometry and High-Precision Radial Velocities Authors: Eder Martioli, Barbara E. McArthur, G. Fritz Benedict, Jacob L. Bean, Thomas E. Harrison, Amber Armstrong (Version v2) We use Hubble Space Tel...
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Hypernova
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Supernovae mark the explosive deaths of particularly massive stars. During the few weeks it lasts, a supernova can outshine all the other stars in a galaxy combined. As if this wasn't powerful enough, there is a rare type of super-charged supernova called a hypernova. With a power about 100 times th...
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IRAS 06068-0641
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A possible magnitude 12.6 FU-Ori-type eruption from IRAS 06068-0641 was discovered by the Catalina Real-time Transient Survey (CRTS) on the 10th November 2009. IRAS 06068-0641 is located inside a dark nebula to the South of the Mon R2 association. Position (2000): RA = 06h09m19.32s, Dec = -06d41...
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HD 50773
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Title: Surface structure of the CoRoT CP2 target star HD 50773 Authors: T. Lüftinger, H.-E. Fröhlich, W. Weiss, P. Petit, M. Aurière, N. Nesvacil, M. Gruberbauer, D. Shulyak, E. Alecian, A. Baglin, F. Baudin, C. Catala, J.-F. Donati, O. Kochukhov, E. Michel, N. Piskunov, T. Roudier, R. Samadi We co...
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WR 102ka
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A contender for the title of brightest star in our Milky Way galaxy has been unearthed in the dusty metropolis of the galaxy's center. Nicknamed the "Peony nebula star," the bright stellar bulb was revealed by NASA's Spitzer Space Telescope and other ground-based telescopes. It blazes...
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Taurus star-forming region
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Title: The Taurus Spitzer Survey: New Candidate Taurus Members Selected Using Sensitive Mid-Infrared Photometry Authors: L. M. Rebull (Spitzer Science Centre), D. L. Padgett (Spitzer Science Centre), C.-E. McCabe (Spitzer Science Centre), L. A. Hillenbrand (Caltech), K. R. Stapelfeldt (Je...
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HD 50138
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Title: The galactic unclassified B[e] star HD 50138. I. A possible new shell phase Authors: Marcelo Borges Fernandes (1), Michaela Kraus (2), Olivier Chesneau (1), Armando Domiciano de Souza (1), Francisco Xavier de Araujo (3), Philippe Stee (1), Anthony Meilland (4) ((1) Fizeau, France, (2) As...
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WR121b
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Title: New Wolf-Rayet star and its circumstellar nebula in Aquila Authors: V.V.Gvaramadze, A.Y.Kniazev, W.-R.Hamann, L.N.Berdnikov, S.Fabrika, A.F.Valeev We report the discovery of a new Wolf-Rayet star in Aquila via detection of its circumstellar nebula (reminiscent of ring nebulae asso...
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