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X-ray binary 1A 1118-616
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Title: Finding a 24-day orbital period for the X-ray binary 1A 1118-616 Authors: R. Staubert, K. Pottschmidt, V. Doroshenko, J. Wilms, S. Suchy, R. Rothschild, A. Santangelo We report the first determination of the binary period and orbital ephemeris of the Be X-ray binary containing the pulsar 1...
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LS IV-14 116
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Title: An extremely peculiar hot subdwarf with a ten-thousand-fold excess of zirconium, yttrium, and strontium Authors: Naslim N., C.S. Jeffery, N.T. Behara, A. Hibbert Helium-rich subdwarf B (He-sdB) stars represent a small group of low-mass hot stars with luminosities greater than those of...
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IGR J18490-0000
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Title: Discovery of an Energetic 38.5 ms Pulsar Powering the Gamma-ray Source IGR J18490-0000/HESS J1849-000 Authors: E. V. Gotthelf (1), J. P. Halpern (1), R. Terrier (2), F. Mattana (2), ((1) Columbia University, (2) APC/CNRS University Paris 7) We report the discovery of a 38.5 ms X-ray pulsar...
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Wolf-Rayet Star WR 48a
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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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SX Aurigae
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Minimum of SX Aurigae variable star, at 18:10 UT, 10th December, 2010. Magnitude: 9.1 Max=8.4 Period= 1.2days Type: Eclipsing Binary/KE Position (2000): RA 05 11 42.9272, Dec +42 09 55.275
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VX Hydrae
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Title: VX Hydrae: Observation of a Sudden Change in a Pulsating Star Authors: M. Bonnardeau, S. Dvorak, R. Poklar, G. Samolyk Time-series of VX Hya from March 2005 to April 2010 are analyzed. A period jump is discovered to happen in 2008 in all the pulsation modes, being at its strongest for the overto...
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RS Scorpio
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Maxima of long period variable RS Scorpio on the 19th December, 2010. Magnitude: 7.0-12.2 Type: Mira Position (2000): RA 16 55 37.8135, Dec -45 06 10.769
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RW Lyrae
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Maxima of long period variable RW Lyrae on the 7th December, 2010. Magnitude: 11.3-15.6 Type: Mira Position (2000): RA 18 45 10.17, Dec +43 38 07.7
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HIP 13044
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'Alien' planet detected circling dying star Astronomers claim to have discovered the first planet originating from outside our galaxy. The Jupiter-like planet, they say, is part of a solar system which once belonged to a dwarf galaxy. This dwarf galaxy was in turn devoured by our own galaxy, the Mi...
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IRAS 18162-2048
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Discovery at Young Star Hints Magnetism Common to All Cosmic Jets Astronomers have found the first evidence of a magnetic field in a jet of material ejected from a young star, a discovery that points toward future breakthroughs in understanding the nature of all types of cosmic jets and of the role of...
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SDSS J083931.35+282824.0
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Title: The first confirmed superoutburst of the SU UMa type dwarf nova SDSS J083931.35+282824.0 Authors: Jeremy Shears, Enrique de Miguel, George Roberts, Donald F. Collins, Gordon Myers, Tut Campbell We report unfiltered CCD photometry of the first confirmed superoutburst of the recently di...
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Gamma Andromedae
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Gamma Andromedae (Gamma And, And, Andromedae) is the third brightest star in the constellation of Andromeda. It is also known by the traditional name Almach (also spelt as Almaach, Almaack, Almak, Almaak, or Alamak), from the Arabic "the caracal" (desert lynx). In 1778, Johann Tobias...
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LSPM 1459+0857AB
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Title: Discovery of a T dwarf + white dwarf binary system Authors: A.C. Day-Jones, D.J. Pinfield, M.T. Ruiz, H. Beaumont, B. Burningham, J. Gallardo, A. Gianninas, P. Bergeron, R. Napiwotzki, J.S. Jenkins, Z.H. Zhang, D. Murray, S. Catalan, J. Gomes We present the discovery of the first T dwarf + wh...
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WISEPC J045853.90+643451.9
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NASA's Wide-field Infrared Survey Explorer, or WISE, has eyed its first cool brown dwarf: a tiny, ultra-cold star floating all alone in space. WISE is scanning the whole sky in infrared light, picking up the glow of not just brown dwarfs but also asteroids, stars and galaxies. It has sent millions of...
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J0923+3028
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Astronomers Discover Merging Star Systems that Might Explode Sometimes when you're looking for one thing, you find something completely different and unexpected. In the scientific endeavor, such serendipity can lead to new discoveries. Today, researchers who found the first hypervelocity s...
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