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Supernova 2008ax
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Title: The type IIb SN 2008ax: spectral and light curve evolution Authors: A. Pastorello, M. M. Kasliwal, R. M. Crockett, S. Valenti, R. Arbour, K. Itagaki, S. Kaspi, A. Gal-Yam, S. J. Smartt, R. Griffith, K. Maguire, E. O. Ofek, N. Seymour, D. Stern, W. Wiethoff We present spectroscopy and photomet...
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Fomalhaut
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New observations from NASA's Hubble Space Telescope (HST) will be presented by astronomers during a media teleconference at 1 p.m. EDT, Wednesday, June 22.
link:
A picture taken by Hubble has provided the most detailed visible-ligh...
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Galactic Center Cloud G2
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Title: Simulations of the Origin and Fate of the Galactic Center Cloud G2 Authors: M. Schartmann, A. Burkert, Ch. Alig, S. Gillessen, R. Genzel, F. Eisenhauer, T. K. Fritz We investigate the origin and fate of the recently discovered gas cloud G2 close to the Galactic Center. Our hydrodynamical sim...
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Haro11
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A tiny galaxy has given astronomers a glimpse of a time when the first bright objects in the universe formed, ending the dark ages that followed the birth of the u...
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DA495
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Title: DA495 - an aging pulsar wind nebula Authors: R. Kothes, T.L. Landecker, W. Reich, S. Safi-Harb, Z. Arzoumanian We present a radio continuum study of the pulsar wind nebula (PWN) DA 495 (G65.7+1.2), including images of total intensity and linear polarization from 408 to 10550 MHz based on the...
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AU Microscopii
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Title: The Signature of Primordial Grain Growth in the Polarised Light of the AU Mic Debris Disk
Authors: James R. Graham, Paul G. Kalas (Berkeley), Brenda C. Matthews (HIA)
We have used the Hubble Space Telescope/ACS coronagraph to make polarization maps of the AU Mic debri...
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Red Supergiants
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Title: Physical Properties of Red Supergiants Authors: Philip Massey, Bertrand Plez, Emily M. Levesque, K. A. G. Olsen, David R. Silva, Geoffery C. Clayton Red supergiants (RSGs) are an evolved stage in the life of intermediate massive stars (<25Mo). For many years their location in the H-R di...
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Wolf-Rayet Stars
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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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G70.0-21.5
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Title: Discovery of an Apparent High Latitude Galactic Supernova Remnant Author: Robert Fesen, Jack Neustadt, Christine Black, Ari Koeppel Deep Halpha images of a faint emission complex 4.0 x 5.5 degrees in angular extent and located far off the Galactic plane at l = 70.0 degrees, b=-21.5 degrees...
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Nova Cassiopeiae 1995
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Title: V723 Cas (Nova Cassiopeiae 1995): MERLIN observations from 1996 to 2001 Authors: I. Heywood, T.J. O'Brien, S.P.S. Eyres, M.F. Bode, R.J. Davis MERLIN observations of the unusually slow nova V723 Cas are presented. Nine epochs of 6-cm data between 1996 and 2001 are mapped, showing the initi...
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Orion Nebula Cluster
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Expand
This Chandra x-ray observatory image shows the Orion Nebula Cluster, a rich cluster of young stars lo...
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Pal 5 globular cluster
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Title: The Pal 5 Star Stream Gaps Authors: R. G. Carlberg, C. J. Grillmair, Nathan Hetherington Pal 5 is a low mass, low velocity dispersion, globular cluster with spectacular tidal tails. We use the SDSS DR8 data to extend the density measurements of the trailing star stream to 23 degrees distance f...
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NGC 1783
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NGC 1783 (also ESO 85-SC29) is a magnitude +10.9 globular cluster in the constellation Dorado in the southern sky. The cluster is one of the largest in the Large Magellanic Cloud and dated as 1.4 ±0.2 billion years old. The globular cluster was discovered on the 13th December 1835 by John Herschel wit...
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The Pleiades
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Title: Spitzer 24 micron Survey of Debris Disks in the Pleiades
Authors: Nadya Gorlova, George H. Rieke, James Muzerolle, John R. Stauffer, Nick Siegler, Erick T. Young, John H. Stansberry (University of Arizona; Spitzer Science Center, Caltech)
Researchers performed a...
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HR 8799
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Two new planetary systems have been imaged in the Milky Way: a star boasting three planetary siblings and another harbouring one at a large distance from its star. Other candidate planets have been imaged near stars. But the new pictures are the first to capture the slow crawl of the planets around th...
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