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HV Andromedae
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Title: The Photometric Period of the Cataclysmic Variable HV Andromedae Authors: Gerald D. Rude II, F. A. Ringwald We present four nights of time-resolved photometry of the cataclysmic variable star HV And. Our time series analysis has revealed a prominent period at 3.368 ±0.060 hours, as well as...
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LQ Pegasi
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Title: The Photometric Periods of the Nova-Like Cataclysmic Variable LQ Pegasi (PG 2133+115) Authors: Gerald D. Rude II, F. A. Ringwald We present a time-resolved differential photometric study and time series analysis of the nova-like cataclysmic variable star LQ Peg. We discover three peri...
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VFTS 682
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Title: The VLT-FLAMES Tarantula Survey III: A very massive star in apparent isolation from the massive cluster R136 Authors: Joachim M. Bestenlehner, Jorick S. Vink, G. Gräfener, F. Najarro, C. J. Evans, N. Bastian, A. Z. Bonanos, E. Bressert, P. A. Crowther, E. Doran, K. Friedrich, V. Hénault-Br...
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R Persei
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Maxima of long period variable R Persei on the 1st November, 2011 Magnitude range: 8.7-14.0 Period: 209.89 days Type: Mira Position (2000): RA 03 30 02.976 | Dec +35° 40' 17.07'' Google earth file: R Persei.kmz (1kb, kmz)
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ST Cygni
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Maxima of long period variable ST Cygni on the 1st November, 2011 Magnitude range: 9.9-13.9 Period: 337.29 days Type: Mira Position (2000): RA 20 32 33.48 | Dec +54° 57' 00.4'' Google earth file: ST Cygni.kmz (1kb, kmz)
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HD 174648
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Title: CoRoT's view on variable B8/9 stars: spots versus pulsations: Evidence for differential rotation in HD 174648 Authors: P. Degroote, B. Acke, R. Samadi, C. Aerts, D.W. Kurtz, A. Noels, A. Miglio, J. Montalban, S. Bloemen, A. Baglin, F. Baudin, C. Catala, E. Michel, M. Auvergne Context. Ther...
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IGRJ16418-4532
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Title: The XMM-Newton view of Supergiant Fast X-ray Transients: the case of IGRJ16418-4532 Authors: L.Sidoli (1), S. Mereghetti (1), V. Sguera (2), F. Pizzolato (1) ((1)-INAF-IASF Milano (Italy), (2)-INAF-IASF Bologna (Italy)) We report on a 40 ks long, uninterrupted X-ray observation of the...
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KOI 565
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Title: Vetting Kepler Planet Candidates with Multi-Colour Photometry from the GTC: Identification of an Eclipsing Binary Star Near KOI 565 Authors: Knicole D. Colon (University of Florida), Eric B. Ford (University of Florida) We report the discovery of an eclipsing binary star (KIC 7025851) n...
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WD 0806-661 B
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Title: Discovery of a Candidate for the Coolest Known Brown Dwarf Authors: K. L. Luhman, A. J. Burgasser, J. J. Bochanski We have used multi-epoch images from the Infrared Array Camera on board the Spitzer Space Telescope to search for substellar companions to stars in the solar neighbourhood base...
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eta Corvi
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Title: Sub-millimetre images of a dusty Kuiper belt around eta Corvi Authors: Wyatt, M. C.; Greaves, J. S.; Dent, W. R. F.; Coulson, I. M. We present submillimetre and mid-IR images of the circumstellar disk around the nearby F2 V star Corvi. The disk is resolved at 850 m with a size of ~100 AU. At 450 m th...
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WISEP J060738.65+242953.4
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Title: Discovery of a late L dwarf: Wisep J060738.65+242953.4 Authors: Philip J. Castro, John E. Gizis We discover a late-type L dwarf, WISEP J060738.65+242953.4 (W0607+2429), by comparing the Wide-field Infrared Survey Explorer (WISE) preliminary data release to the Two Micron All Sky Surve...
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KX Draconis
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Title: The Discovery of a Debris Disk Around the DAV White Dwarf PG 1541+651 Authors: Mukremin Kilic, Adam J. Patterson, Sara Barber, S. K. Leggett, P. Dufour To search for circumstellar disks around evolved stars, we targeted roughly 100 DA white dwarfs from the Palomar Green survey with the Peter...
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HD 318107
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Title: Magnetic Field and Atmospheric Chemical Abundances of the Magnetic Ap Star HD 318107 Authors: J. D. Bailey, J. D. Landstreet, S. Bagnulo, L. Fossati, O. Kochukhov, C. Paladini, J. Silvester, G. Wade New spectra have been obtained with the ESPaDOnS spectropolarimeter supplemented with un...
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UX Orionis stars
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Title: Modulation of Circumstellar Extinction in a Young Binary System with a Low-Mass Companion in a Noncoplanar Orbit Authors: V.P. Grinin, T.V. Demidova, N.Ya. Sotnikova The cyclic activity model of a young star with the low-mass secondary component (q = M2/M1 <= 0.1) accreting a matter fr...
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WD J1929+4447
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Title: Asteroseismology of the Kepler field DBV White Dwarf - It's a hot one! Authors: Agnés Bischoff-Kim, Roy H. Østensen We present an asteroseismic analysis of the helium atmosphere white dwarf (a DBV) recently found in the field of view of the Kepler satellite. We analyse the 5-mode pulsation s...
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