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HD101412
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Title: The exceptional Herbig Ae star HD101412: The first detection of resolved magnetically split lines and the presence of chemical spots in a Herbig star Authors: S. Hubrig, M. Schoeller, I. Savanov, J.F. Gonzalez, C.R. Cowley, O. Schuetz, R. Arlt, G. Ruediger We obtained high-resolution, hi...
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Eta Cancri
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A binary pair of red stars, one giant one dwarf, has been discovered by a collaboration of astrophysicists from the University of Hertfordshire and The Chinese Academy of Sciences. The discovery, which is due to be published in the Monthly Notices of the Royal Astronomical Society later this month...
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HD65949
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Title: HD 65949: The Highest Known Mercury Excess Of Any CP Star?
Authors: Charles R. Cowley, S. Hubrig, G. F. Gonzalez, N. Nunez
ESO spectra of HD 65949 show it to be unlike any of the well-known types within its temperature range ~ 13600K. It is neither a silicon, nor a mercury-...
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GD 356
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Title: Does GD 356 have a Terrestrial Planetary Companion? Authors: Dayal T. Wickramasinghe, Jay Farihi, Christopher A. Tout, Lilia Ferrario, Richard J. Stancliffe GD 356 is unique among magnetic white dwarfs because it shows Zeeman-split Balmer lines in pure emission. The lines originate fro...
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HIP 60350
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Title: The Nature of the Hyper-Runaway Candidate HIP 60350 Authors: Andreas Irrgang, Norbert Przybilla, Ulrich Heber, M. Fernanda Nieva, Sonja Schuh Young, massive stars in the Galactic halo are widely supposed to be the result of an ejection event from the Galactic disk forcing some stars to lea...
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Alicante 8
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Title: Another cluster of red supergiants close to RSGC1 Authors: Ignacio Negueruela (Alicante), Carlos Gonzalez-Fernandez (Alicante), Amparo Marco (Alicante), J. Simon Clark (Open University), Silvia Martinez-Nunez (Alicante) Recent studies have revealed massive star clusters in a reg...
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Zeta Virginis
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Title: Discovery and Characterization of a Faint Stellar Companion to the A3V Star Zeta Virginis Authors: Sasha Hinkley (1,2), Ben R. Oppenheimer (3), Douglas Brenner (3), Neil Zimmerman (3,4), Lewis C Roberts Jr. (5), Ian R. Parry (6), Remi Soummer (7), Anand Sivaramakrishnan (3,8,9), Michal S...
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SDSS J1416+13AB
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Title: The discovery of a very cool binary system Authors: Ben Burningham, S. K. Leggett, P.W. Lucas, D.J. Pinfield, R.L. Smart, A.C. Day-Jones, H.R.A. Jones, D.Murray, E. Nickson, M. Tamura, Z. Zhang, N. Lodieu, C.G. Tinney, M. R. Zapatero Osorio We report the discovery of a very cool d/sdL7+T7.5...
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CP Draconis
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Title: Superoutbursts of the SU UMa-type dwarf nova CP Draconis Authors: Jeremy Shears, David Boyd, Denis Buczynski, Brian Martin, David Messier, Ian Miller, Arto Oksanen, Jochen Pietz, David Skillman, Bart Staels, Tonny Vanmunster Analysis of observations of the SU UMa-type dwarf nova, CP Dr...
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TYC 2675-663-1
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Title: TYC 2675-663-1: A newly discovered W UMa system in an active state Authors: M. D. Caballero-Garcia (1), G. Torres (2), I. Ribas (3), D. Risquez (4), B. Montesinos (5), J. M. Mas-Hesse (5) ((1) IoA, Cambridge, (2) Harvard-Smithsonian Center for Astrophysics, (3) IEEC, Barcelona (4) Leiden O...
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EC 11481-2303
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Title: EC 11481-2303 - A Peculiar Subdwarf OB Star Revisited Authors: T. Rauch (1), K. Werner (1), J. W. Kruk (2) ((1) Institute for Astronomy and Astrophysics, Kepler Center for Astro and Particle Physics, Eberhard Karls University, Tuebingen, Germany, (2) Department of Physics and Astronomy,...
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Very Low Mass Binaries
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Title: High Precision Dynamical Masses of Very Low Mass Binaries Authors: Q.M. Konopacky, A.M. Ghez, T.S. Barman, E.L. Rice, J.I. Bailey III, R.J. White, I.S. McLean, G. Duchene We present the results of a 3 year monitoring program of a sample of very low mass (VLM) field binaries using both astrome...
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Delta Scuti
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Title: The Blazhko Effect in Delta Scuti and other Groups of Pulsating Stars Authors: Michel Breger Amplitude and period variations have been detected in almost all types of pulsating stars. Many of these modulations are nearly periodic. In RR Lyrae stars the phenomenon in known as the Blazhko Eff...
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YY Canis Majoris
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Minimum of YY Canis Majoris beta Lyr type Eclipsing binary at 23.6h, 23rd January, 2010. Magnitude=9.1mag Max=8.3mag Period= 1.1days Position(2000): RA 08 06 38.5575, Dec +01° 55' 46.496
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New Pulsar
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West Virginia Student Discovers New Pulsar A West Virginia high-school student has discovered a new pulsar, using data from the giant Robert C. Byrd Green Bank Telescope (GBT). Shay Bloxton, 15, a participant in a project in which students analyse data from the radio telescope, spotted evidence o...
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