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EI UMa
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Title: The Intermediate Polar EI UMa: A Pre-Polar Cataclysmic Variable Authors: Tamara W. Reimer, William F. Welsh, Koji Mukai, F. A. Ringwald We present optical and X-ray time-series photometry of EI UMa that reveal modulation at 746 and 770 s, which we interpret as the white dwarf spin and spin-o...
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Dwarf Nova Systems
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Title: A Far Ultraviolet Archival Study of Cataclysmic Variables: I. FUSE and HST/STIS Spectra of the Exposed White Dwarf in Dwarf Nova Systems Authors: P. Godon, E.M. Sion, P.E. Barrett, I. Hubeny, A.P. Linnell, P. Szkody We present a synthetic spectral analysis of Far Ultraviolet Spectroscopi...
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HD154345b
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Title: The Jupiter Twin HD 154345b Authors: J. T. Wright, G. W. Marcy, R. P. Butler, S. S. Vogt We announce the discovery of a twin of Jupiter orbiting the slightly metal-poor ([Fe/H] = -0.1) nearby (d = 18 pc) G8 dwarf HD 154345. This planet has a minimum mass of 0.95 Jupiter masses and a 9.2 year, circula...
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Haro 1-14c
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Title: Preliminary Orbit of the Young Binary Haro 1-14c Authors: G. H. Schaefer, M. Simon, L. Prato, T. Barman Using the Keck Interferometer, we spatially resolved the orbit of the pre-main sequence binary, Haro 1-14c, for the first time. We present these interferometric observations along with...
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Mercury-Manganese Stars
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Title: Xenon in Mercury-Manganese Stars Authors: M. M. Dworetsky, J. L. Persaud, K. Patel Previous studies of elemental abundances in Mercury-Manganese (HgMn) stars have occasionally reported the presence of lines of the ionised rare noble gas Xe II, especially in a few of the hottest stars with...
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BE Lyncis
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Title: Does the period of BE Lyncis really vary? Authors: R. Szakáts, Gy.M. Szabó, K. Szatmáry New photometric series of BE Lyncis are presented. With template curve fitting we re-determined the O-C for BE Lyncis. The phase shift diagram is apparently constant, disproving the suspected period va...
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IRAS 05506+2414
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Title: High-Velocity Interstellar Bullets in IRAS05506+2414: A Very Young Protostar Authors: Raghvendra Sahai, Mark Claussen, Carmen Sánchez Contreras, Mark Morris, Geetanjali Sarkar We have made a serendipitous discovery of an enigmatic outflow source, IRAS 05506+2414 (hereafter IRAS 0...
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FN Taurus
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A team of Japanese astronomers resolved a circumstellar disk around the young lightweight star FN Tau. The diminutive star is located in a star-forming region toward the Constellation Taurus at a distance 460 light years from Earth. This research group (Note 1) used the Coronagraphic Imager with...
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RZ Cassiopeia
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Title: RZ Cassiopeia: Eclipsing Binary with Pulsating Component Authors: A. Golovin, E. Pavlenko We report time-resolved VR-band CCD photometry of the eclipsing binary RZ Cas obtained with 38-cm Cassegrain telescope at the Crimean Astrophysical Observatory during July 2004 - October 2005. O...
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HVC306-2+230
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Like a fork piercing a fried egg, a giant finger of hydrogen gas is poking through our Milky Way Galaxy from outside, astronomers using CSIRO radio telescopes at Parkes and Narrabri have found. The location of the intrusion may give a crucial clue to the fate of the little galaxies the gas flows from, t...
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BS Comae
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Title: The double-mode RR Lyrae variable BS Com Authors: I. Dékány We present the frequency analysis of the multicolour time series photometry of the field RRd variable BS Comae. The large number of data points in each of the BV(RI)_c bands and the ~0.01 magnitude accuracy of the individual measure...
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AM Herculis
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AM Herculis is going into outburst. AM Herculis is the prototype of the class of Variable stars known as Polars. Magnetic non-disc Cataclysmic Variable's. It's visual range is 12.0-16.0. Expand (86kb, 560 x 56...
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DZ Crucis
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Title: How peculiar is the "peculiar variable" DZ Crucis (Nova Cru 2003)? Authors: M. T. Rushton, A. Evans, S. P. S. Eyres, J. Th. van Loon, B. Smalley The variable star DZ Cru was thought to be a nova when it was discovered in eruption in 2003 August. This explanation was later challenged, h...
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AQ CMi
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[url=http://farm3.static.flickr.com/2382/2233968637_...
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OB stars
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Title: X-rays from magnetically channelled winds of OB stars Authors: David H. Cohen (Swarthmore College) OB stars with strong radiation-driven stellar winds and large-scale magnetic fields generate strong and hard X-ray emission via the Magnetically Channelled Wind Shock (MCWS) mechanism...
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