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RCW 34
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Title: A near-infrared study of the star forming region RCW 34 Authors: D.J. van der Walt, H.M. de Villiers, R.J. Czanik We report the results of a near-infrared imaging study of a 7.8 x 7.8 arcminČ region centred on the 6.7 GHz methanol maser associated with the RCW 34 star forming region using the 1.4...
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HD 51106 and HD 50747
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Title: HD 51106 and HD 50747: an ellipsoidal binary and a triple system observed with CoRoT Authors: N. Dolez, S. Vauclair, E. Michel, A. Hui Bon Hua, G. Vauclair, D. Le Contel, P. Mathias, E. Poretti, P. J. Amado, M. Rainer, R. Samadi, A. Baglin, C. Catala, M. Auvergne, K. Uytterhoeven, J. C. Valtier W...
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Egg Nebula
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Title: Proper-Motion Measurements of the Cygnus Egg Nebula
Authors: Toshiya Ueta (USRA SOFIA/NASA Ames Research Center), Koji Murakawa (Max-Planck Institute for Radio Astronomy), Margaret Meixner (STScI)
Reserchers present the results of proper-motion measuremen...
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Messier 43
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Title: Discovery of Crystallised Water Ice in a Silhouette Disk in the M43 Region Authors: Hiroshi Terada, Alan T. Tokunaga We present the 1.9--4.2um spectra of the five bright (L<11.2) young stars associated with silhouette disks with moderate to high inclination angle of 39--80deg in the M4...
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Starburst clusters
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Title: Instantaneous starburst of the massive clusters Westerlund 1 and NGC 3603 YC Authors: Natalia Kudryavtseva, Wolfgang Brandner, Mario Gennaro, Boyke Rochau, Andrea Stolte, Morten Andersen, Nicola Da Rio, Thomas Henning, Emanuele Tognelli, David Hogg, Simon Clark, Rens Water We presen...
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Eclipsing binaries
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Photometric data gathered by INTEGRAL's Optical Monitoring Camera (OMC) has been used to study selected eclipsing binary stars for which the light curve had hitherto not been analysed. This recent study by Petr Zasche (Astronomical Institute, Charles University in Prague) provides new key inf...
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VZ Pyxidis
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The dwarf nova VZ Pyxidis is in outburst. VZ Pyxidis = H0857-242 Date: 2008 11 17 Magnitude: 12.5 - 16.8 V Period: ? days Satellite period: 0.07332 days Type: UGSU Position(2000): RA=08 59 19.84 | Dec=-24° 28' 55.3"
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X Leo
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The dwarf nova type cataclysmic variable X Leo is in outburst. Date of Outburst: 24th October 2008 Magnitude: 11.1 - 15.7 V Period: 16.9 days Satellite period: 0.1644 days Type: UGSS Position(2000): RA=09 51 01.46, Dec=+11°52'31.3"
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Z Camelopardalis
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NASA Mission Finds Link Between Big and Small Stellar Blasts Proof that certain double star systems can erupt in full-blown explosions and then continue to flare up with smaller bursts has been spotted by the ultraviolet eyes of NASA's Galaxy Evolution Explorer. The finding bolsters a 20-yea...
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NGC 2040
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Hubble Peeks inside a Stellar Cloud IMAGE (699kb, 670 x 686) These bright stars shining through what looks like a haze in the night sky are part of a young stellar grouping in one of the largest known star formation regions of the Large Magellanic Cloud (LMC), a dwarf satellite galaxy of the Milky Way. T...
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AFGL 490
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Title: A Structural Analysis of Star-Forming Region AFGL 490 Authors: L. C. Masiunas, R. A. Gutermuth, J. L. Pipher, S. T. Megeath, P. C. Myers, L. E. Allen, H. M. Kirk, G. G. Fazio We present Spitzer IRAC and MIPS observations of the star-forming region containing intermediate-mass young stellar o...
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HH 797
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Title: A rotating molecular jet from a Perseus protostar Authors: Gerardo Pech, Luis A. Zapata, Laurent Loinard, Luis F. Rodriguez We present ^{12}CO(2-1) line and 1.4 mm continuum archival observations, made with the Submillimeter Array, of the outflow HH 797 located in the IC 348 cluster in Per...
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SNR Kes 69
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Title: A population of isolated hard X-ray sources near the supernova remnant Kes 69 Authors: F. Bocchino, A. M. Bykov, Y. Chen, A. M. Krassilchtchikov, K. P. Levenfish, M. Miceli, G. G. Pavlov, Yu. A. Uvarov, X. Zhou Recent X-ray observations of the supernova remnant IC443 interacting with molecu...
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EM Cygni
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Title: EM Cygni: a study of its eclipse timings Authors: Sz. Csizmadia, Zs. Nagy, T. Borkovits, T. Hegedus, I. B. Biro, Z. T. Kiss EM Cygni is a Z Cam-subtype eclipsing dwarf nova. Its orbital period variations were reported in the past but the results were in conflict to each other while other studies...
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HIP 56948
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Astronomers have found the most Sun-like star yet, and they say it is an ideal place to hunt for alien civilisations. The star, called HIP 56948, lies a little more than 200 light years from Earth. Its size, mass, temperature, and chemical makeup are all so similar to the Sun's that no measurable diffe...
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