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LSPM J1112+7626
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Title: LSPM J1112+7626: detection of a 41-day M-dwarf eclipsing binary from the MEarth transit survey Authors: Jonathan M. Irwin, Samuel N. Quinn, Zachory K. Berta, David W. Latham, Guillermo Torres, Christopher J. Burke, David Charbonneau, Jason Dittmann, Gilbert A. Esquerdo, Robert P. Stef...
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Blobrana
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KOI-126
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Title: KOI-126: A Triply Eclipsing Hierarchical Triple with Two Low-Mass Stars Authors: Joshua A. Carter, Daniel C. Fabrycky, Darin Ragozzine, Matthew J. Holman, Samuel N. Quinn, David W. Latham, Lars A. Buchhave, Jeffrey Van Cleve, William D. Cochran, Miles T. Cote, Michael Endl, Eric B. Ford,...
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Blobrana
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Possible nova in the constellation Scorpius
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Possible magnitude 9.7 nova in the constellation Scorpius was discovered on the 6th September, 2011, by Y. Nakamura (Japan). Position (J2000): R.A. 16 36 44.29 | Dec. -41° 32' 37.7''
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Blobrana
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HD49385
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Title: Constraints on the structure of the core of subgiants via mixed modes: the case of HD49385 Authors: S. Deheuvels, E. Michel The solar-like pulsator HD49385 was observed with the CoRoT satellite during 137 days. The analysis of its oscillation spectrum yielded precise estimates of the mode...
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WISEP J180026.60+013453.1
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Title: WISEP J180026.60+013453.1: A Nearby Late L Dwarf Near the Galactic Plane Authors: John E. Gizis, Adam J. Burgasser, Jacqueline K. Faherty, Philip J. Castro, Michael M. Shara We report a nearby L7.5 dwarf discovered using the Preliminary Data Release of the Wide-field Infrared Survey Expl...
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IP Pegasi
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The dwarf nova IP Pegasi is in outburst. Date: 27th July, 2011 Magnitude: 12 - 18.6 Period: ? Satellite period: 0.15820609 days Type: UG+E Position(2000): RA=23 23 08.60 | Dec=+18°24'59.6"
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Blobrana
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WISEP J1541-225
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It looks like we have a new neighbour. It's actually been there all along, but astronomers have only now spotted what could be the seventh closest star system to the sun. The system is just nine light years away, a mere stone's throw in astronomical terms. It took so long to find because it's an extremel...
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Delta Eridani
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Delta Eridani is a 3.54 magnitude star in the constellation of Eridanus. It is also called Rana. The name Rana means "the frog" in Latin Read more
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Lambda Pavonis
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Title: Spectroscopic variabilities in Lambda Pavonis Authors: R. S. Levenhagen, N. V. Leister and R. Künzel Aims. We investigate the time-varying patterns in line profiles, V/R, and radial velocity of the Be star HD 173948 (Lambda Pavonis). Methods. Time series analyses of radial velocity, V/R...
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V1500 Cygni
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V1500 Cygni or Nova Cygni 1975 was a bright nova occurring in 1975 in the constellation Cygnus. V1500 Cygni was discovered on August 29 and reached magnitude 1.7 on the next day. It remained visible to the naked eye for about a week. 680 days after maximum the star had dimmed by 12.5 magnitudes. [url=ht...
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U Arae
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Maxima of the long period variable U Arae on the 29th August, 2011. Date: 29th August, 2011 Magnitude range: 8.4 - 13.6 (?) Period: 225.21 days (?) Type: Mira Position(2000): RA=17 53 37.61 | Dec=-51° 41' 14.3"
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Blobrana
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TT Bootis
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The cataclysmic variable star TT Bootis is in outburst. Date: 26th February, 2011 Magnitude range: 12.7 - <15.6 Period: 45 days Satellite period: ? Type: UGSU Position(2000): RA=14 57 44.74, Dec=+40°43'42.2" 14th August 2009 outburst [video=http://www.youtube.com/watch?v=I2rb0...
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Blobrana
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Deneb
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Deneb (Alpha Cygni) is the brightest star in the constellation Cygnus and one of the vertices of the Summer Triangle. It is the 19th brightest star in the night sky, with an apparent magnitude of 1.25. A blue-white supergiant, Deneb is also one of the most luminous nearby stars. It is, or has been, know...
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SDSS J085746.18+034255.3
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Title: The shortest period detached white dwarf + main-sequence binary Authors: S. G. Parsons, T. R. Marsh, B. T. Gänsicke, V. S. Dhillon, C. M. Copperwheat, S. P. Littlefair, S. Pyrzas, A. J. Drake, D. Koester, M. R. Schreiber, A. Rebassa-Mansergas We present high-speed ULTRACAM and SOFI photome...
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ST Sagittarii
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Maxima of long period variable ST Sagittarii on the 26th August, 2011. Magnitude range: 9.0-15.2 Period: 395.12 days Type: Mira Position (2000): RA 19 01 29.22 | Dec -12° 45' 33.9"
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