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SV Piscium
(Preview)
Title: The geometry of the close environment of SV Psc as probed by VLTI/MIDI Authors: D. Klotz, S. Sacuto, F. Kerschbaum, C. Paladini, H. Olofsson, J. Hron Context. SV Psc is an asymptotic giant branch (AGB) star surrounded by an oxygen-rich dust envelope. The mm-CO line profile of the object's out...
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Alpha Canum Venaticorum
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Cor Caroli (Alpha Canum Venaticorum, originally known by the more elaborate Cor Caroli Regis Martyris) is the brightest star in the northern constellation Canes Venatici. Cor Caroli is a binary star with a combined apparent magnitude of 2.81. The two stars are 19.6 arcseconds apart in the sky and a...
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Hip70973 and Hip72479
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Title: Physical Parameters of the Visually Close Binary Systems Hip70973 and Hip72479 Authors: Mashhoor Al-Wardat Atmospheric modelling of the components of the visually close binary systems Hip70973 and Hip72479 was used to estimate the individual physical parameters of their components....
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Possible nova in Sagittarius
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A possible magnitude 9.6 nova was discovered in the constellation Sagittarius on the 21st April, 2012, by S. Korotkiy (Ka-Dar Observatory). Position (J2000): R.A. 17 45 27.91 | Dec. -23° 05' 21.3''
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CPD-20 1123
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Title: CPD-20 1123 (Albus 1) is a bright He-B Subdwarf Authors: Stephane Vennes, Adela Kawka, J. Allyn Smith Date: August 2007 Based on photometric and astrometric data it has been proposed that Albus 1 (also known as CPD-20 1123) might be a hot white dwarf similar to G191-B2B or, alternatively, a...
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YZ Cancri
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The Variable star YZ Cancri is in outburst. Date: 2011 01 22 Magnitude: 10.5 - 16.3 V Period: ? Satellite period: 0.0868 days Type: UGSU Position(2000): RA=08 10 56.65, Dec=+28°08'33.2"
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CE Boötis
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Title: Infrared Variability of the Gliese 569B System Authors: Matthew A. Kenworthy, Louis J. Scuderi Gliese 569B is a multiple brown dwarf system whose exact nature has been the subject of several investigations over the past few years. Interpretation has partially relied on infra-red photome...
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HD 167971
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Title: The long period eccentric orbit of the particle accelerator HD167971 revealed by long baseline interferometry Authors: M. De Becker, H. Sana, O. Absil, J.-B. Le Bouquin, R. Blomme Using optical long baseline interferometry, we resolved for the first time the two wide components of HD1679...
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HD 74560
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Title: Complex asteroseismology of the Slowly Pulsating B-type star HD74560 Authors: Przemysaw Walczak, Wojciech Szewczuk, Jadwiga Daszyska-Daszkiewicz We present the results of complex seismic modelling of the Slowly Pulsating B-type star HD74560. The star pulsates in five frequencies d...
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Possible nova in Scutum
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A possible magnitude 9.7 nova was discovered in the constellation Scutum on the 12th April, 2012, by Y. Sakurai (Japan). Position (J2000): R.A. 18 56 21.70 | Dec. -08° 52' 30.0''
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TW Corona Borealis
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Title: Investigating the properties of the near contact binary system TW CrB Authors: G. Faillace, C. Owen, D. Pulley, D. Smith TW Coronae Borealis (TW CrB) is a binary system likely to be active showing evidence of starspots and a hotspot. We calculated a new ephemeris based on all available timing...
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WD 0346+246
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University of Oklahoma Astronomer and Colleagues Identify 12 Billion-Year-Old White Dwarf Stars Only 100 Light Years Away A University of Oklahoma assistant professor and colleagues have identified two white dwarf stars considered the oldest and closest known to man. Astronomers identifie...
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Common proper motion pairs
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Title: New northern common proper motion pairs Authors: John Greaves (Version, v2) A list of 705 new Northern Celestial Hemisphere common proper motion pairs as derived from the Second U.S. Naval Observatory CCD Astrograph Catalog is presented, along with details of their separation, motion, b...
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SDSS J184037.78+642312.3
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Title: SDSS J184037.78+642312.3: The First Pulsating Extremely Low Mass White Dwarf Authors: J. J. Hermes, M. H. Montgomery, D. E. Winget, Warren R. Brown, Mukremin Kilic, Scott J. Kenyon We report the discovery of the first pulsating extremely low mass (ELM) white dwarf (WD), SDSS J184037.78+6...
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Possible nova in Centaurus
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A possible magnitude 9.8 nova was discovered by J. Seach (Australia) on the 5th April, 2012, in the constellation Centaurus. Position (J2000): R.A. 14 25 06.00 | Dec. -58° 45' 36.0''
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