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RCW 108
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RCW 108 NASA/JPL-Caltech/CXO/CfA RCW 108 is a region where stars are actively forming within the Milky Way galaxy about 4,000 light years from Earth. This is a complicated region that contains young star clusters, including one that is deeply embedded in a cloud of molecular hydrogen. By using dat...
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2M1404B
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A team of University of Hawaii, California Institute of Technology (Caltech) and MIT astronomers, using one of the Keck telescopes on Mauna Kea, has found evidence for cloudy weather on failed stars. The star in question, 2M1404B, has a mass of about 3 percent of the mass of our sun and lives with its s...
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2XMM J123204+215255
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Title: An extreme EXO: a type 2 QSO at z=1.87 Authors: A. Del Moro, M. G. Watson, S. Mateos, M. Akiyama, Y. Hashimoto, N. Tamura, K. Ohta, F. J. Carrera, G. Stewart We aim to understand the multi-wavelength properties of 2XMM J123204+215255, the source with the most extreme X-ray-to-optical flux rat...
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HR 4796A
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Astronomers at the Carnegie Institution have found the first indications of highly complex organic molecules in the disk of red dust surrounding a distant star. The eight-million-year-old star, known as HR 4796A, is inferred to be in the late stages of planet formation, suggesting that the basic...
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KBS 13
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Title: KBS 13 -- a Rare Reflection Effect sdB Binary with an M Dwarf Secondary Authors: B.Q. For, H. Edelmann, E. M. Green, H. Drechsel, S. Nesslinger, G. Fontaine We report preliminary VRI differential photometric and spectroscopic results for KBS 13, a recently discovered non-eclipsing sdB+dM...
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Exoplanet WASP-11b
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Title: The sub-Jupiter mass transiting exoplanet WASP-11b Authors: R. G. West, A. Collier Cameron, L. Hebb, Y. C. Joshi, D. Pollacco, E. Simpson, I. Skillen, H. C. Stempels, P. J. Wheatley, D. Wilson, D. Anderson, S. Bentley, F. Bouchy, B. Enoch, N. Gibson, G. Hébrard, C. Hellier, B. Loeillet, M. Ma...
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CT Cha b
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CT Cha b is a dense 17 Jupiter masses exoplanet that is only 2.2 Jupiter diameters and orbits at 440 AU. It is possibly a brown dwarf.
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HD 42401
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Title: System Parameters for the Eclipsing B-Star Binary HD 42401 Authors: S. J. Williams I present results from an optical spectroscopic investigation of the binary system HD 42401 (V1388 Ori; B2.5 IV-V + B3 V). A combined analysis of V-band photometry and radial velocities indicates that the sy...
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BS196
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Title: BS196: an old star cluster far from the SMC main body Authors: E. Bica, J. F. C. Santos Jr., A. A. Schmidt We present B and V photometry of the outlying SMC star cluster BS196 with the 4.1-m SOAR telescope. The photometry is deep (to V~25) showing ~3 mag below the cluster turnoff point (TO) at Mv=2....
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Canopus
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The measurement of the diameter of Canopus and the detection of spots on its surface, were carried out by an international team led by Armando Domiciano de Souza, astronomer at the Laboratory Fizeau (CNRS, Université of Nice Sophia-Antipolis, Observatoire of the Coast d' Azure-KNOWLEDGE). The...
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A1 binary system
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The two heaviest stars ever have been discovered in the southern Milky Way galaxy. The double super heavyweights are actually in orbit around each other, and both break the record 83 times the suns mass for the most massive stars found to date. The heavier of the two weighs in at a whopping 114 "so...
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SDSSJ084539.17+225728.0
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Title: SDSSJ084539.17+225728.0: the first DBZ white dwarf with a metal-rich gaseous debris disc Authors: B.T. Gaensicke, D. Koester, T.R. Marsh, A. Rebassa-Mansergas, J. Southworth We report the discovery of a third white dwarf hosting a gaseous debris disc, SDSSJ084539.17+225728.0. The ty...
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Tombaugh 2
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Title: Tombaugh 2: The First Open Cluster with a Significant Abundance Spread or Embedded in a Cold Stellar Stream? Authors: P. M. Frinchaboy (U.Wisc), A. F. Marino (Padova), S. Villanova (Concepcion), G. Carraro (ESO), S. R. Majewski (UVa), D. Geisler (Concepcion) We present new abundances and...
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PSR B1929+10
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Title: Chandra observations of the pulsar PSR B1929+10 and its environment Authors: Zdenka Misanovic, George Pavlov, Gordon Garmire We report on two Chandra observations of the 3-Myr pulsar B1929+10, which reveal a faint compact (~9"x4") nebula elongated in the direction perpendi...
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LkHa 101 Cluster
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Title: The LkHa 101 Cluster Authors: Sean M. Andrews, Scott J. Wolk In the infrared, the heavily reddened LkH\alpha 101 is one of the brightest young stars in the sky. Situated just north of the Taurus-Auriga complex in the L1482 dark cloud, it appears to be an early B-type star that has been serendipi...
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