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Possible Nova in Scorpius
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John Seach (Chatsworth Island, NSW, Australia) has identified a possible magnitude 9.5 nova on 3 images taken with a digital SLR camera on June 1st, 2011. Position (2000): RA 16 55 11 | Dec -38° 38' 12''[url=http://www.aavso.org/aavso-special-notice-240-possible-nova-scorpius]Sour...
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CoRoT 102699796
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Title: CoRoT 102699796, the first metal-poor Herbig Ae pulsator: a hybrid delta Sct-gamma Dor variable? Authors: V. Ripepi, F. Cusano, M. Di Criscienzo, G. Catanzaro, F. Palla, M. Marconi, P. Ventura, C. Neiner, C. Catala, S. Bernabei We present the analysis of the time series observations of CoR...
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KU Cygni
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Title: DASCH on KU Cyg: a ~5 year dust accretion event in ~1900 Authors: Sumin Tang, Jonathan Grindlay, Edward Los, Mathieu Servillat KU Cyg is an eclipsing binary consisting of a F-type star accreting through a large accretion disk from a K5III red giant. Here we present the discovery of a 5-yr dip ar...
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V5569 Sagittarii
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Cataclysmic variable star V5569 Sagittarii Magnitude range: 9.8 - 12.04 V Spectral type: Fe D Period: 509 Type: Z And, eclipsing binary system +BE Position(2000): RA 18 50 03.5696 | Dec -26 24 15.382
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V453 Ophiuchi
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Semiregular Variable Star V453 Ophiuchi Magnitude range: 10.3 - 11.3 V Spectral type: Fp Period: 91.0 days Type: RV Tauri Position(2000): RA 17 26 49.13310 | Dec -02 23 36.2659
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TZ Ophiuchi
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Variable Star TZ Ophiuchi Spectral type: F6 D (?) Magnitude range: ? Period: ? Type: ? Position(2000): RA 16 29 07.76 | Dec -20 14 04.8
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IRAS 18113-2503
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Title: IRAS 18113-2503: the water fountain with the fastest jet? Authors: Jose F. Gomez, J. Ricardo Rizzo, Olga Suarez, Luis F. Miranda, Martin A. Guerrero, Gerardo Ramos-Larios We present Expanded Very Large Array (EVLA) water maser observations at 22 GHz toward the source IRAS 18113-2503. Mas...
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CT Herculis
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Title: Multi-site, multi-year monitoring of the oscillating Algol-type eclipsing binary CT Her Authors: P. Lampens, A. Strigachev, S.-L. Kim, E. Rodriguez, M.J. Lopez-Gonzalez, J. Vidal-Sainz, D. Mkrtichian, J.-R. Koo, Y. B. Kang, P. Van Cauteren, P. Wils, Z. Kraicheva, D. Dimitrov, J. South...
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CSS 41177
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Title: A deeply eclipsing detached double helium white dwarf binary Authors: S. G. Parsons, T. R. Marsh, B. T. Gänsicke, A. J. Drake, D. Koester Using Liverpool Telescope+RISE photometry we identify the 2.78 hour period binary star CSS 41177 as a detached eclipsing double white dwarf binary with a...
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Trumpler 15
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Title: A Chandra ACIS Study of the Young Star Cluster Trumpler 15 in Carina and Correlation with Near-infrared Sources Authors: Junfeng Wang, Eric D. Feigelson, Leisa K. Townsley, Patrick S. Broos, Konstantin V. Getman, Scott J. Wolk, Thomas Preibisch, Keivan G. Stassun, Anthony F. J. Moffat, Go...
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M31-V1
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Hubble Views the Star that Changed the Universe Though the universe is filled with billions upon billions of stars, NASA's Hubble Space Telescope has been trained on a single variable star that in 1923 altered the course of modern astronomy. And, at least one famous astronomer of the time lamented t...
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CR Bootis
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The cataclysmic binary CR Bootis is in outburst. Date: 16th May, 2011 Magnitude range: 13.0 - 17.5 V Period: ? Satellite period: 0.017029 days Type: AM. Herculi (?) Position (2000): RA 13 48 55.22, Dec +07 57 35.8 CR Bootis is an enigmatic blue variable star with rapid photmetric variations and a spec...
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SDSS J010657.39-100003.3
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Title: The Shortest Period Detached Binary White Dwarf System Authors: Mukremin Kilic, Warren R. Brown, S. J. Kenyon, Carlos Allende Prieto, J. Andrews, S. J. Kleinman, K. I. Winget, D. E. Winget, J. J. Hermes We identify SDSS J010657.39-100003.3 (hereafter J0106-1000) as the shortest period de...
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SNR G76.9+1.0
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Title: Discovery of an Energetic Pulsar Associated with SNR G76.9+1.0 Authors: Z. Arzoumanian, E. V. Gotthelf, S. M. Ransom, S. Safi-Harb, R. Kothes, T. L. Landecker We report the discovery of PSR J2022+3842, a 24 ms radio and X-ray pulsar in the supernova remnant G76.9+1.0, in observations with t...
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G-type Stars
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Title: Abundances of Refractory Elements for G-type Stars with Extrasolar Planets Authors: Wonseok Kang, Sang-Gak Lee, Kang-Min Kim We confirm the difference of chemical abundance between stars with and without exoplanet, as well as present the relation between chemical abundances and the ph...
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