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beta Hydri
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Title: Solar-like oscillations in the G2 subgiant beta Hydri from dual-site observations
Authors: Timothy R. Bedding, Hans Kjeldsen, Torben Arentoft, Francois Bouchy, Jacob Brandbyge, Brendon J. Brewer, R. Paul Butler, Joergen Christensen-Dalsgaard, Thomas Dall, Soere...
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ETHOS 1
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Title: ETHOS 1: A high latitude planetary nebula with jets forged by a post common envelope binary central star Authors: B. Miszalski, R. L. M. Corradi, H. M. J. Boffin, D. Jones, L. Sabin, M. Santander-García, P. Rodríguez-Gil, M. M. Rubio-Díez We report on the discovery of ETHOS 1 (PN G068.1+11.0)...
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Palomar 13
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Title: The Curious Case of Palomar 13: The Influence of the Orbital Phase on the Appearance of Galactic Satellites Authors: A.H.W. Kuepper (1,2), S. Mieske (2), P. Kroupa (1) ((1) AIfA Bonn, (2) ESO Chile) We investigate the dynamical status of the low-mass globular cluster Palomar 13 by means of N-...
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NGC 5460
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Title: A detailed spectroscopic analysis of the open cluster NGC 5460 Authors: L. Fossati, C.P. Folsom, S. Bagnulo, J.H. Grunhut, O. Kochukhov, J.D. Landstreet, C. Paladini, G.A. Wade Within the context of a large project aimed at studying early F-, A- and late B-type stars we present the abundanc...
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WW Ceti
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The cataclysmic variable WW Ceti is in outburst. Date of outburst: 22nd September 2008 Magnitude: 9.3 - 16.8 V Period between the flashes: 31.2 days Satellite orbital period: 24 hours ? Type: UG, Hot White Dwarf binary Position(2000): RA=00h11m24.77s, Dec=-11°28` 42.7"
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HAT-P-4b
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Title: HAT-P-4b: A metal-rich low-density transiting hot Jupiter Authors: G. Kovacs (1), G. A. Bakos (2,3), G. Torres (2), A. Sozzetti (2,4), D. W. Latham (2), R. W. Noyes (2), R. P. Butler (5), G. W. Marcy (6), D. A. Fischer (7), J. M. Fernandez (2), G. Esquerdo (2), D. D. Sasselov (2), R. P. Stefanik (2...
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RAVE
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An international team of astronomers at The Johns Hopkins University, have announced the first results from the Radial Velocity Experiment (RAVE), an ambitious all-sky spectroscopic survey aimed at measuring the speed, temperature, surface gravity and composition of up to a million stars pas...
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Galactic Star Clusters
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[url=http://www.oneminuteastronomer.com/OMALibrary/galactic-star-clusters.html]Read
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KPD 1930+2752
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Title: The subdwarf B + white dwarf binary KPD 1930+2752 - a Supernova Type Ia progenitor candidate
Authors: S. Geier, S. Nesslinger, U. Heber, N. Przybilla, R. Napiwotzki, R.-P. Kudritzki
The nature of the progenitors of type Ia supernovae is still under controversial deb...
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HD 37776
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Title: The light variability of the helium strong star HD 37776 as a result of its inhomogeneous elemental surface distribution Authors: J. Krticka, Z. Mikulasek, J. Zverko, J. Ziznovsky We simulate light curves of the helium strong chemically peculiar star HD 37776 assuming that the observed pe...
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Iota Horologii
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By studying in great detail the 'ringing' of a planet-harbouring star, a team of astronomers using ESO's 3.6-m telescope have shown that it must have drifted away from the metal-rich Hyades cluster. This discovery has implications for theories of star and planet formation, and for the dynamics of...
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BP Piscium
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Old Stars Piscium and Tycho Give New Births Hundreds of millions or even billions of years after planets would have initially formed around two unusual stars, a second wave of planetesimal and planet formation appears to be taking place, UCLA astronomers and colleagues believe. "This is a ne...
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V4332 Sagittarii
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Title: V4332 Sagittarii: A circumstellar disc obscuring the main object Authors: T. Kaminski, M. Schmidt, R. Tylenda V4332 Sgr experienced an outburst in 1994 whose observational characteristics in many respects resemble those of the eruption of V838 Mon in 2002. It has been proposed that these...
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RS Canum Venaticorum
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RS Canum Venaticorum (HD 114519) is the prototype for a variable binary class of stars. RS Canum Venaticorum comprises of a pair of similar sized yellow and orange (F5 V+K2 IV) stars that orbit each other every 4.8 days. The two stars are so close, that both stars are tidally locked together. The tid...
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IRAS 05437+2502
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A new image of a little-known nebula taken from the Hubble Space Telescope has astronomers wondering what's lighting it up. NASA has released an image of IRAS 05437+2502, or "Ira's Ghost", after it was snapped by Hubble as a "bonus target" - part of a list of things for Hubble to...
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