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Gamma Leonis
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Gamma Leonis is a binary star system in the constellation Leo. It has the traditional name Algieba or Al Gieba. Algieba, as a binary system, consists of two stars. The brighter component has an apparent magnitude of +2.28 and is of spectral class K1-IIIbCN-0.5. The companion star has an apparent mag...
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HE1349-2305
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Title: Gaseous Material Orbiting the Polluted, Dusty White Dwarf HE1349-2305 Authors: Carl Melis, P. Dufour, J. Farihi, J. Bochanski, Adam J. Burgasser, S. Parsons, B. Gaensicke, D. Koester, Brandon Swift We present new spectroscopic observations of the polluted, dusty, helium-dominated at...
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CZ Canis Minoris
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Title: CCD Photometric Investigation of A W UMa-Type Binary GSC 0763-0572 Authors: W. Kriwattanawong, P. Pooseekheaw A photometric solution of an A-type W UMa binary, GSC 0763-0572 is examined with a revised orbital period. The overcontect degree is found as f = 40.66 %, with low mass ratio of q = 0....
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Eccentric binary systems
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Title: A Class of Eccentric Binaries with Dynamic Tidal Distortions Discovered with Kepler Authors: Susan E. Thompson, Mark Everett, Fergal Mullally, Thomas Barclay, Steve B. Howell, Martin Still, Jason Rowe, Jessie L. Christiansen, Donald W. Kurtz, Kelly Hambleton, Joseph D. Twicken, Khade...
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V2129 Ophiuchi
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Title: Accretion dynamics in the classical T Tauri star V2129 Oph Authors: S. H. P. Alencar, J. Bouvier, F. M. Walter, C. Dougados, J.-F. Donati, R. Kurosawa, M. Romanova, X. Bonfils, G. H. R. A. Lima, S. Massaro, M. Ibrahimov, E. Poretti We analyse the photometric and spectroscopic variability of t...
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LHS 1070
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Title: Orbits and Masses in the multiple system LHS 1070 Authors: R. Köhler, T. Ratzka, Ch. Leinert We present a study of the orbits of the triple system LHS1070, with the aim to determine individual masses of its components. Sixteen new relative astrometric positions of the three components in the...
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HD 144432
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Title: HD 144432: a young triple system Authors: A. Mueller, (1), A. Carmona (2,3), M.E. van den Ancker (4), R. van Boekel (1), Th. Henning (1), R. Launhardt (1) ((1) MPIA Heidelberg, (2) ISDC Data Centre for Astrophysics, (3) Observatoire de Geneve, (4) ESO) We present new imaging and spectroscopi...
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IGR J17177-3656
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Title: Modelling the Spectrum of IGR J17177-3656 Authors: Renyi Ma The correlation between radio and X-ray luminosity in the hard state of black hole X-ray binaries is important for unveiling the relation between the accretion flow and the jets. In this paper, we have modelled the quasi-simultan...
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Nova in Ophiuchus
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A magnitude 12.1 nova in Ophiuchus was discovered by H. Nishimura, Shizuoka-ken, (Japan) on the 25th March, 2012. Google earth file: Nova Ophiuchus 2012.kmz (1kb, kmz) Position (J2000): R.A. 17 26 07.02 | Dec. -25° 51' 42.1''[url=http://space.geocities.jp/yusastar77/supernova/PNin...
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Possible recurrent nova in LMC
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A magnitude 10.7 possible recurrent nova was discovered in the LMC on the 26th March 2012. Position (J2000): R.A. 04 54 56.81 | Dec. -70° 26' 56.4''
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CN Orionis
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The dwarf nova CN Orionis is in outburst. Date: 25th March, 2011 Magnitude range: 11 - 16.2 V Period: 15.85 days Satellite period: 0.163199 days Type: UGZ Position(2000): RA=05 52 07.79, Dec=-05°25'00.5"
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NSV 1436
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The cataclysmic variable Ross 4 (NSV 1436) is in outburst. Date: 9th March, 2011 Magnitude range: 12.5 - 19.17 V Period: ? Satellite period: ? Type: U Geminorum variable Position(2000): RA=04 02 39.02, Dec=+42°50'46.0"
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Possible nova in Centaurus
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A possible magnitude 9.2 nova was observed in the constellation Centaurus on the 23rd March, 2012. Position (J2000): R.A. 13 41 08 | Dec. -58° 15' 47.0''
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IRAS 15452-5459
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Title: CO observations of water-maser post-AGB stars and detection of a high-velocity outflow in IRAS 15452-5459 Authors: L. Cerrigone (1), K. M. Menten (2), T. Kaminski (2) ((1) Centro de Astrobiologia, CSIC-INTA, Torrejon de Ardoz, Spain, (2) Max-Planck-Institut fuer Radioastronomie, Bon...
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V842 Centauri
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Title: XMM-Newton EPIC and OM observation of Nova Centauri 1986 (V842 Cen) Authors: G. J. M. Luna (IAFE/Conicet), M. P. Diaz (IAG), N. S. Brickhouse (CfA), M. Moraes (IAG) We report the results from the temporal and spectral analysis of an XMM-Newton observation of Nova Centauri 1986 (V842 Cen). We...
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