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R Telescopii
(Preview)
Maxima of long period variable R Telescopii on the 23rd July, 2011. Magnitude: 8.6-14.8 Period: 461.88 days Type: Mira Position (2000): RA 20 14 45.11 | Dec -46 58 54.9
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Blobrana
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V Pegasi
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Maxima of long period variable V Pegasi on the 23rd July, 2011. Magnitude range: 8.7-14.4 Period: 302.35 days Type: Mira Position (2000): RA 22 01 02.57 | Dec +06 07 11
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Spitzer 073425.3-465409
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Cosmic Alligator Eats its Way through the Sky Many people enjoy the summer pastime of imagining pictures in clouds in the sky. The same can be done with clouds in the universe. Seen here by NASA's Wide-field Infrared Survey Explorer, or WISE, the cloud CG4 might be imagined as a cosmic alligator eatin...
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ES Draconis
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Title: The Orbital Period and Variability of the Dwarf Nova ES Draconis Authors: F. A. Ringwald, Kenia Velasco A radial velocity study of the cataclysmic variable ES Dra (PG 1524+622) is presented. ES Dra is found to have an orbital period of 0.17660 ±0.00006 d (4.2384 ±0.0014 h). The mass-losing se...
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USNO-B1.0 1320-0390658
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Title: Two New Cataclysmic Variables in Lyra Authors: D. V. Denisenko I report on the discovery of two cataclysmic variables in the same field in Lyra originally identified from their magnitudes in USNO-B1.0 catalogue and Palomar images. The historical light curves were analysed on 300+ photogr...
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GJ 896A
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Title: Radio Interferometric Planet Search II: Constraints on sub-Jupiter-Mass Companions to GJ 896A Authors: Geoffrey C. Bower, Alberto Bolatto, Eric B. Ford, Adam Fries, Paul Kalas, Karol Sanchez, Phoebe Sanderbeck, Vincent Viscomi We present results from the Radio Interferometric Plane...
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HD 123396
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Title: CNO and F abundances in the barium star HD 123396 Authors: Alan Alves-Brito, Amanda Karakas, David Yong, Jorge Meléndez, Sergio Vásquez Barium stars are moderately rare chemically peculiar objects which are believed to be the result of the pollution of an otherwise normal star by material...
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T Ophiuchi
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Maxima of long period variable T Ophiuchi on the 18th July, 2011. Magnitude range: 9.8-14.0 Period: 366.82 days Type: Mira Position (2000): RA 16 33 43.54 | Dec -16 07 54.3
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WISE J0254+0223 and WISE J1741+2553
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Title: Two very nearby (d ~ 5 pc) ultracool brown dwarfs detected by their large proper motions from WISE, 2MASS, and SDSS data Authors: R.-D. Scholz, G. Bihain, O. Schnurr, J. Storm (Leibniz-Institut für Astrophysik Potsdam (AIP)) Aims: WISE provides an infrared all-sky survey which aims at comp...
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Y Monocerotis
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Maxima of long period variable Y Monocerotis on the 16th July, 2011. Magnitude range: 9.1-13.9 Period: 227.9 days Position (2000): RA 06 56 52.14 | Dec +11° 14' 32.3"
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V1723 Aquilae
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Title: EVLA Nova Project Observations of the Classical Nova V1723 Aquilae Authors: Miriam I. Krauss, Laura Chomiuk, Michael Rupen, Nirupam Roy, Amy J. Mioduszewski, J. L. Sokoloski, Thomas Nelson, Koji Mukai, M. F. Bode, S. P. S. Eyres, T. J. O'Brien We present radio light curves and spectra of the...
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R Tucanae
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Maxima of the long period variable R Tucanae on the 14th July, 2011. Magnitude: 9.8-15.1 Period: 286.06 days Type: Mira Position(2000): RA 23 57 26.35 | Dec -65 23 04.8
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SDSS J065133.33 +284423.3
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Title: A 12 minute Orbital Period Detached White Dwarf Eclipsing Binary Authors: Warren R. Brown (1), Mukremin Kilic (1), J. J. Hermes (2), Carlos Allende Prieto (3), Scott J. Kenyon (1), D. E. Winget (2) ((1) SAO, (2) UT Austin, (3) IAC) We have discovered a detached pair of white dwarfs (WDs) with a 1...
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LQ Aquarii
(Preview)
Pulsating variable star LQ Aquarii (HD 215553). Magnitude: 6.68 V Distance = 881 light years Google earth file: LQ Aquarii.kmz (1kb, kmz) Position (2000): RA 22 46 14.22156 | Dec -11° 09' 58.6989''
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1RXS J073346.0+261933
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Title: New Cataclysmic Variable 1RXS J073346.0+261933 in Gemini Authors: D. V. Denisenko, A. J. Drake, S. G. Djorgovski, T. V. Kryachko, A. V. Samokhvalov, A. Yu. Tkachenko In course of the search for the optical identifications associated with ROSAT X-ray sources we have found a highly variable...
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