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IGR J17445-2747
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ATel 10272: Discovery of SWIFT J174429.9-274557 - a soft X-ray counterpart of the X-ray burster IGR J17445-2747
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MASTER OT J174534.82-643044.4
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ATel 10258: New Bright Optical Object on South Hemisphere detected by MASTER at the X-Ray source position. Image
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PNV J09552544+6905239
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ATel 10254: Discovery of an Apparent Nova in M81
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Swift J010745.0-722740
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ATel 10253: Detection of a new X-ray outburst from the SMC Be/X-ray binary Swift J010745.0-722740, confirming the 1180 d orbital period
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SGR J1745-2900
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Title: NuSTAR discovery of a 3.76-second transient magnetar near Sagittarius A* Authors: Kaya Mori, Eric V. Gotthelf, Shuo Zhang, Hongjun An, Frederick K. Baganoff, Nicolas M. Barriere, Andrei Beloborodov, Steven E. Boggs, Finn E. Christensen, William W. Craig, Francois Dufour, Brian W. Gref...
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FO Aquarii
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Title: FO Aqr time keeping Author: Michel Bonnardeau Twelve seasons, from 2004 to 2015, of photometric monitoring of the intermediate polar FO Aqr are presented and are compared with previous observations. The ambiguities in the cycle counting can be lifted and a new O-C diagram, spanning 34 yr, i...
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VVV-NOV-020
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ATel 10247: Discovery of the Galactic nova VVV-NOV-020
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V Trianguli
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Title: Photometric and Spectroscopic Observations of the Algol Type Binary V Triangle Author: A. B. Ren, X. B. Zhang, J. N. Fu, Y. P. Zhang, T. Q. Cang, L. Fox-Machado, C. Q. Li, P. Khokhuntod, Y. P. Luo Time-series, multi-colour photometry and high-resolution spectra of the short period eclipsing...
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Nova Sagittarii 2005 b
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Title: The supersoft X-ray source in V5116 Sgr I. The high resolution spectra Author: G. Sala, J.U. Ness, M. Hernanz, J. Greiner Classical novae occur on the surface of an accreting white dwarf in a binary system. After ejection of a fraction of the envelope and when the expanding shell becomes optic...
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HIP 21539
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Title: HIP 21539 is not a past very close neighbour of the Sun Author: F. Crifo, C. Soubiran, G. Jasniewicz, D. Katz, P. Sartoretti, P. Panuzzo Aims: A previous study claimed that the star HIP 21539 passed close to the Sun, at a distance of 1.9 pc, around 0.14 Myr ago. We show that this is not the case. Meth...
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RS Librae
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The Variable Star RS Librae is at maximum in the early hours of the 21st April, 2011. Magnitude range: 7.0 - 13.0 V Period: 217.7 days Type: Mira Position(2000): RA 15 24 19.7912, Dec -22° 54' 39.871"
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CDF-S XT1
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CDF-S Transient: Mysterious Cosmic Explosion Puzzles Astronomers Scientists have discovered a mysterious flash of X-rays using NASA's Chandra X-ray Observatory, in the deepest X-ray image ever obtained, as reported in our latest press release. The X-ray source is located in a region of the sky...
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BE Camelopardalis
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BE Camelopardalis (also BE Cam, HR 1155, and HD 23475) is a irregular variable star located 795 light-years away in the constellation Camelopardalis. Magnitude range: 4.35 - 4.48 Type: M1III giant star Right ascension 03h 49m 31.27989s, Declination +65° 31' 33.5015"
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Eta Crucis
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Title: A Herschel resolved debris disc around HD 105211 Author: S. Hengst, J. P. Marshall, J. Horner, S. C. Marsden Debris discs are the dusty aftermath of planet formation processes around main-sequence stars. Analysis of these discs is often hampered by the absence of any meaningful constraint...
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47 Tucanae X9
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Title: The ultracompact nature of the black hole candidate X-ray binary 47 Tuc X9 Author: Arash Bahramian, Craig O. Heinke, Vlad Tudor, James C.A. Miller-Jones, Slavko Bogdanov, Thomas J. Maccarone, Christian Knigge, Gregory R. Sivakoff, Laura Chomiuk, Jay Strader, Javier A. Garcia, Timothy K...
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