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γ² Velorum
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Stars/galaxy News
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3
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6634
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Title: Direct constraint on the distance of γ² Velorum from AMBER/VLTI observations
Authors: F. Millour, et al
In this work, we present the first AMBER observations, of the Wolf-Rayet and O (WR+O) star binary system γ² Velorum. The AMBER instrument was used with...
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WR121b
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Stars/galaxy News
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1
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2081
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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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WR138a
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Stars/galaxy News
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0
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2080
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Title: Discovery of a new Wolf-Rayet star and its ring nebula in Cygnus Authors: V.V.Gvaramadze, S.Fabrika, W.-R.Hamann, O.Sholukhova, A.F.Valeev, V.P.Goranskij, A.M.Cherepashchuk, D.J.Bomans, L.M.Oskinova We report the serendipitous discovery of a ring nebula around a candidate Wolf-...
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WR 102ka
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Stars/galaxy News
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4
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5587
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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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WR 142
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Stars/galaxy News
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0
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2370
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Title: Chandra Detects the Rare Oxygen-type Wolf-Rayet Star WR 142 and OB Stars in Berkeley 87 Authors: Kimberly R. Sokal, Stephen L. Skinner, Svetozar A. Zhekov, Manuel Güdel, Werner Schmutz We present first results of a Chandra X-ray observation of the rare oxygen-type Wolf-Rayet star WR 142 (=...
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HD 36402
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Stars
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0
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2155
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Title: Heated dust around the LMC Wolf-Rayet system HD 36402 (BAT99-38) Authors: P. M. Williams (Institute for Astronomy, Royal Observatory Edinburgh) Infrared photometry of the probable triple WC4 (+O?) +O8I: system HD 36402 (BAT99-38) in the LMC shows emission characteristic of heated dust...
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WR 22
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Stars
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0
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2017
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A spectacular new image from ESO's Wide Field Imager at the La Silla Observatory in Chile shows the brilliant and unusual star WR 22 and its colourful surroundings. WR 22 is a very hot and bright star that is shedding its atmosphere into space at a rate many millions of times faster than the Sun. It lies i...
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Wolf-Rayet Star WR 48a
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Stars
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0
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2057
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Title: XMM-Newton Observations Reveal Very High X-ray Luminosity from the Carbon-rich Wolf-Rayet Star WR 48a Authors: Svetozar A. Zhekov, Marc Gagne, Stephen L. Skinner We present XMM-Newton observations of the dusty Wolf-Rayet star WR 48a. This is the first detection of this object in X-rays....
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Wolf-Rayet star WR123
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Stars/galaxy News
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4
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4858
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The Wolf-Rayet star WR123 is even weirder than astronomers ever suspected.
The new findings, by Laure Lefevre and Anthony Moffat (Universite de Montreal), Sergey Marchenko (Western Kentucky University) using the Canadian MOST astronomical space telescope, are based on ove...
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Wolf-Rayet star WR60a
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Stars
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0
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1731
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Title: A New Galactic Wolf-Rayet Star in Centaurus Authors: A. Roman-Lopes In this work I communicate the detection of a new Galactic Wolf-Rayet star (WR60a) in Centaurus. The H- and K-band spectra of WR60a, show strong carbon near-infrared emission lines, characteristic of Wolf-Rayet stars of...
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HDE 326823
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Stars
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0
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1845
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Title: A Binary Orbit for the Massive, Evolved Star HDE 326823, a WR+O System Progenitor Authors: Noel D. Richardson, Douglas R. Gies, Stephen J. Williams The hot star HDE 326823 is a candidate transition-phase object that is evolving into a nitrogen-enriched Wolf-Rayet star. It is also a known lo...
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WR 55
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Stars
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0
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1797
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Title: NANTEN 12CO (J=1-0) observations around the star WR 55 Authors: N. U. Duronea, E. M. Arnal, J. C. Testori Context: A complete study of the molecular and ionised gas in the environs of the nebula RCW 78 around WR 55 is presented. Aims: The aim of this work is to investigate the spatial distributio...
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Wolf-Rayet stars
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KMZ
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2
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2227
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Google earth file: WR Stars.kmz (18kb, kmz)
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Wolf-Rayet Stars
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Stars/galaxy News
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4
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2664
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Title: 12 New Galactic Wolf-Rayet Stars Identified via 2MASS+Spitzer/GLIMPSE Authors: Jon Mauerhan, Schuyler Van Dyk, Pat Morris We report new results from our effort to identify obscured Wolf-Rayet stars in the Galaxy. Candidates were selected by their near-infrared (2MASS) and mid-infrar...
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WR 110
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Stars
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0
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1865
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Title: WR 110: A Single Wolf-Rayet Star With Corotating Interaction Regions In Its Wind? Authors: A.-N. Chené (NRC/HIA, U. de Concepción, U. de Valparaíso), A. F. J. Moffat (U. de Montréal), C. Cameron (U. of British Columbia), R. Fahed (U. de Montréal), R. C. Gamen (U. Nacional de La Plata), L. Lefè...
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