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R Ophiuchi
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Maxima of long period variable R Ophiuchi on the 26th December, 2010. Magnitude: 7.6-13.3 Type: Mira Position (2000): RA 17 07 45.7854, Dec -16 05 33.982
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HD 117555
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Title: FK Comae Berenices, King of Spin: The COCOA-PUFS Project Author: Thomas R. Ayres, V. Kashyap, S. Saar, D. Huenemoerder, H. Korhonen, J.J. Drake, P. Testa, O. Cohen, C. Garraffo, T. Granzer, K. Strassmeier COCOA-PUFS is an energy-diverse, time-domain study of the ultra-fast spinning, hea...
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HD 18078
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Title: HD 18078: A very slowly rotating Ap star with an unusual magnetic field structure Author: G. Mathys, I. I. Romanyuk, D. O. Kudryavtsev, J. D. Landstreet, D. M. Pyper, S. J. Adelman Context. The existence of a significant population of Ap stars with very long rotation periods (up to several hun...
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2MASS J09531000+3353527
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Title: An Extreme Analogue of Epsilon Aurigae: An M-giant Eclipsed Every 69 Years by a Large Opaque Disk Surrounding a Small Hot Source Author: Joseph E. Rodriguez, Keivan G. Stassun, Michael B. Lund, Robert J. Siverd, Joshua Pepper, Sumin Tang, Stella Kafka, Scott Gaudi, Kyle E. Conroy, Thomas G....
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HD 190585
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Title: KIC 9246715: The Double Red Giant Eclipsing Binary With Odd Oscillations Author: Meredith L. Rawls, Patrick Gaulme, Jean McKeever, Jason Jackiewicz, Jerome A. Orosz, Enrico Corsaro, Paul Beck, Benoît Mosser, David W. Latham, Christian A. Latham We combine Kepler photometry with ground...
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HIP 85605
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HIP 85605 is a star in the constellation Hercules with a visual apparent magnitude of 11.03. It may be a M dwarf or K-type main-sequence star potentially 1828 light-years (5.68.5 parsecs) from the Sun. Read more
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W Virginis
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W Virginis (also SAO 139335, and HD 116802) is a giant yellow pulsating star, which varies between magnitudes 9.46 and 10.75 over a period of 17.2736 days. The star is located 11,000 light-years away in the constellation Virgo. The star is the prototype variable star, that exhibit pulsation period...
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Kappa Velorum
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The star is only a couple of degrees from the south celestial pole of Mars, so it could therefore be considered the southern polar star of Mars. Read more
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V728 Herculis
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Title: The low mass ratio contact binary system V728 Herculis Author: Naci Erkan, Burak Ulas We present the orbital period study and the photometric analys of the contact binary system V728 Her. Our orbital period analysis shows that the period of the system increases (dP/dt=1.92x10^-7dyr^-1) a...
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R Corvi
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Maxima of long period variable R Corvi (R Crv) on the 31st March, 2014. Magnitude: 6.7-14.4 Period: 317.0 days Type: MiraPosition(2000): RA 12 19 37.87267 | Dec -19° 15' 21.8767''
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Alpha Fornacis
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Alpha Fornacis (also Dalim, Fornacis, 12 Eridani, GJ 127, HIP 14879, SAO 168373 and HD 20010) is a magnitude +3.85 binary subgiant star located 46.0 ± 0.4 light-years away in the constellation Fornax. Its age is estimated to be 2.9 billion years old. RA 03 12 04.52736, Dec -28 59 15.4336 Approximat...
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FL Lyrae
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FL Lyrae (also FL Lyr, BD+46° 2641, HD 179890, HIP 94335, KIC 9641031 and SAO 48190) is a magnitude +9.36 eclipsing binary star located 420 ± 40 light years away in the constellation Lyra. Right ascension19h 12m 04.86170s, Declination+46° 19' 26.8632" The variability of this system was d...
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HD 188112
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Title: HD188112: Supernova Ia progenitor? Author: M. Latour, A. Irrgang, U. Heber, V. Schaffenroth HD188112 is an extremely low mass white dwarf in a close binary system. According to a previous study, the mass of HD188112 is ~0.24 Msun and a lower limit of 0.73 Msun could be put for the mass of its uns...
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Nova Orion AD 483
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Title: Discovery of an eclipsing dwarf nova in the ancient nova shell Te 11 Author: Brent Miszalski, Patrick A. Woudt, Stuart P. Littlefair, Brian Warner, Henri M. J. Boffin, Romano L. M. Corradi, David Jones, Mokhine Motsoaledi, Pablo Rodríguez-Gil, Laurence Sabin, Miguel Santander-García We...
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GG Tauri A
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Title: The Orbit of GG Tau A Authors: Rainer Köhler GG Tau A is a pre-main-sequence binary system that is encircled by a circumbinary disk with a sharp inner edge. We present a study of the orbit of the binary system GG Tau A and its relation to the circumbinary disk. Three new relative astrometric posit...
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