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1RXS J160929.1-210524
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[url=http://www.theglobeandmail.com/servlet/story/LAC.20080920.PLANET20/TPStory/National/HY...
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MWC 560
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Title: Orbital eccentricity of the symbiotic star MWC 560 Authors: R. K. Zamanov, A. Gomboc, K. A. Stoyanov, I. K. Stateva We present projected rotational velocity measurements of the red giant in the symbiotic star MWC 560 (V694 Mon), using the high-resolution spectroscopic observations with t...
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Messier 15
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M15 - A Dense Swarm of Ancient Stars Messier 15, a dense globular visible from parts of the south but best positioned for those north of the equator. The extreme concentration of stars near the centre of this cluster suggests the presence of a black hole formed billions of years ago. [url=http://www....
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M101
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This Hubble Space Telescope image of the face-on spiral galaxy Messier 101 (NGC 4547, The Pinwheel Galaxy), is the largest and most detailed photo of a spiral galaxy that has ever been released from Hubble.
The galaxy’s portrait is actually composed of 51 individual exposures ta...
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Capella
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Title: Chandra/HETGS Observations of the Capella System: the Primary as a Dominating X-ray Source
Authors: Kazunori Ishibashi, Daniel Dewey, David P. Huenemoerder, Paola Testa
Using the Chandra/High Energy Transmission Grating Spectrometer (hereafter HETGS) resea...
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NGC 3923
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Title: The Globular Cluster Kinematics and Galaxy Dark Matter Content of NGC 3923 Authors: Mark A. Norris, Karl Gebhardt, Ray M. Sharples, Favio Raul Faifer, Terry Bridges, Duncan A. Forbes, Juan C. Forte, Stephen E. Zepf, Michael A. Beasley, David A. Hanes, Robert Proctor, Sheila J. Kannappan Th...
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AM_CVn Stars
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Astronomers have reported the first detection of direct radiation from the surface of a white dwarf star in a pre-supernova binary star system using the Hubble Space Telescope. This is a major step forward in identifying the type of star that will become a Type Ia supernova, the type of supernova tha...
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Black Hole A0620-00
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Title: The Eccentric Accretion Disc of the Black Hole A0620-00 Authors: J. Neilsen (Harvard University), D. Steeghs (CfA/Warwick), S.D. Vrtilek (CfA) We present spectroscopic observations of the quiescent black hole binary A0620-00 with the the 6.5-m Magellan Clay telescope at Las Campanas O...
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Abell 21
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Abell 21 (also known as The Medusa Nebula, Sharpless 274, YM 29 and PK 205+14 1) is a magnitude +7.68 planetary nebula located 1,500 light-years away in the constellation Gemini. The planetary nebula was independently discovered by UCLA astronomer George O. Abell at the Palomar Observatory, and...
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Horologium II
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Title: Double Pendulum: a Second Ultra-faint Milky Way Satellite in the Horologium Constellation Author: Dongwon Kim, Helmut Jerjen We report the discovery of a new ultra-faint Milky Way satellite candidate, Horologium II, detected in the Dark Energy Survey Y1A1 public data. Horologium II fea...
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Brown Dwarf Companions
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Title: Statistical Properties of Brown Dwarf Companions: Implications for Different Formation Mechanisms Authors: Bo Ma, Jian Ge The mass domain where massive extrasolar planets and brown dwarfs overlap is still poorly understood due to the paucity of brown dwarfs orbiting close to solar-typ...
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NGC 2302
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NGC 2302 (also NGC 2299 and OCL 554) is a magnitude +8.9 open cluster located 3000 light years away in the constellation Monoceros. The cluster was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector on the 4th March 1785. The cluster was red...
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S140 IRS1
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Title: First Science Results From SOFIA/FORCAST: Super-Resolution Imaging of the S140 Cluster at 37\micron Authors: Paul M. Harvey, Joseph D. Adams, Terry L. Herter, George Gull, Justin Schoenwald, Luke D. Keller, James M. De Buizer, William Vacca, William Reach, E. E. Becklin We present 37\mi...
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NGC 4103
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NGC 4103 (also ESO 130-SC5 and OCL 871) is a magnitude +7.4 open star cluster located 5,300 light-years away in the constellation Crux. The cluster was discovered by Scottish astronomer James Dunlop using a homemade 9-foot, 22.86 cm (9 inch) f/12 speculum Newtonian reflector at Paramatta, New Sou...
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Westerlund 2
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Title: Early-type stars in the core of the young open cluster Westerlund2
Authors: G. Rauw (1), J. Manfroid (1), E. Gosset (1), Y. Naze (1), H. Sana (1,2), M. De Becker (1), C. Foellmi (2,3), A.F.J. Moffat (4) (1= IAGL, ULg, Belgium; 2=ESO-Chile; 3=Obs. de Grenoble, France; 4= Univ...
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