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NGC 6441
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NGC 6441 (also ESO 393-SC34 and GCL 78) is a magnitude +7.2 globular star cluster located 37800 light years away in the constellation Scorpius. NGC 6441 is near G Scorpii (HD 161892). The cluster was discovered by Scottish astronomer James Dunlop using a 22.86 cm (9 inch) f/12 reflecting telescope a...
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NGC 6229
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Title: The BSS population in NGC 6229 Authors: N. Sanna, E. Dalessandro, B. Lanzoni, F. R. Ferraro, G. Beccari, R. T. Rood We have used a combination of high-resolution Hubble Space Telescope WFPC2 and wide-field ground-based observations in ultraviolet and optical bands to study the blue stragg...
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NGC 5986
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NGC 5986 (also ESO 329-SC 018, Melotte 136 and GCL 37) is a magnitude +7.6 globular cluster located 33900 light-years away in the constellation Lupus. The cluster was discovered by Scottish astronomer James Dunlop using a 22.86 cm (9 inch) Reflector at Paramatta (now named Parramatta), New South W...
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NGC 6134
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NGC 6134 (also ESO 226-SC9 and OCL 968) is a magnitude +7.2 open star cluster located 2978 light-years away in the constellation Norma. The cluster was discovered by Scottish astronomer James Dunlop using a 22.86 cm (9 inch) Reflector at Paramatta (now named Parramatta), New South Wales on the 10 Ma...
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NGC 3114
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Title: Chemical analysis of giant stars in the young open cluster NGC 3114 Authors: O. J. Katime Santrich (1), C. B. Pereira (2), N. A. Drake (1,2) ((1) Observatório Nacional, Rio de Janeiro, RJ, Brazil, (2) Sobolev Astronomical Institute, St. Petersburg State University, St. Petersburg, Russia...
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NGC 6766
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NGC 6766 (also NGC 6884, HD 191916 and PK 82 +7.1) is a magnitude +10.9 planetary nebula located 12700 to to 17600 light-years away in the constellation Cygnus. The planetary nebula was discovered by American astronomer Edward Charles Pickering using a 38.1 cm (15 inch) refractor at the Harvard Col...
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NGC 6833
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NGC 6833 (also HD 187836 and PK 82+11.1) is a magnitude +12.1 planetary nebula located in the constellation Cygnus. The planetary nebula was discovered by American astronomer Edward Charles Pickering using a 38.1 cm (15 inch) refractor at the Harvard College Observatory on the 8th May 1883. Right...
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NGC 2808
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Title: The infrared eye of the Wide-Field Camera 3 on the Hubble Space Telescope reveals multiple main sequences of very low-mass stars in NGC 2808 Authors: A. P. Milone, A. F. Marino, S. Cassisi, G. Piotto, L. R. Bedin, J. Anderson, F. Allard, A. Aparicio, A. Bellini, R. Buonanno, M. Monelli, A. Piet...
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Messier 5
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Title: The High Velocity Gas toward Messier 5: Tracing Feedback Flows in the Inner Galaxy Authors: William F. Zech, Nicolas Lehner, J. Christopher Howk, W. Van Dyke Dixon, Thomas M. Brown We present Far Ultraviolet Spectroscopic Explorer (FUSE) and Space Telescope Imaging Spectrograph (STIS E1...
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CXOGC J174540.0-290005
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Title: The 2013 outburst of a transient very faint X-ray binary, 23" from Sgr A* Author: E. W. Koch (1,2), A. Bahramian (1), C. O. Heinke (1), K. Mori (3), N. Rea (4,5), N. Degenaar (6), D. Haggard (7), R. Wijnands (4), G. Ponti (8), J. M. Miller (6), F. Yusef-Zadeh (8), F. Dufour (9), W. D. Cotton (10...
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Gl581 planet
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Researchers have discovered a Neptune-mass planet around the M dwarf star Gl 581 (Spectral Type M3V, 0.31 solar masses), using precise Doppler measurements with the HARPS spectrograph at the La Silla Observatory.
The observed radial velocities reveal a circular orbit with a p...
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TW Hydrae Association
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Exploring Terrestrial Planet Formation in the TW Hydrae Association
Authors: F. J. Low (1), P. S. Smith (1), M. Werner (2), C. Chen, (2 and 3), V. Krause (4), M. Jura (5), D. C. Hines (6) ((1) Steward Observatory, (2) JPL, (3) NOAO/KPNO, (4) California Institute of Technology, (5...
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Collinder 147
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Melotte 66 (also OCL 739, Collinder 147 and Lund 336) is a magnitude +7.8 open (galactic) cluster located 14000 light years away in the constellation Puppis. The cluster is composed of about 200 members. The brightest star in the cluster is at magnitude +11.4 Right Ascension 07h 26m 23.0s, Declin...
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TT Arietis
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Title: TT Arietis - Observations of a Cataclysmic Variable Star with the MOST Space Telescope Authors: J.Weingrill, G.Kleinschuster, R.Kuschnig, J.M.Matthews, A.Moffat, S.Rucinski, D.Sasselov, W.W.Weiss We measured the photometric flux of the cataclysmic variable TT Arietis (BD+14 341)...
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Andrews-Lindsay 1
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Title: On the Crucial Cluster Andrews-Lindsay 1 and a 4% Distance Solution for its PN Author: D. Majaess, G. Carraro, C. Moni Bidin, C. Bonatto, D. Turner, M. Moyano, L. Berdnikov, E. Giorgi Andrews-Lindsay 1 is a pertinent open cluster granted it may host the planetary nebula PHR 1315-6555, yet amb...
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