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M31N 2017-06e
(Preview)
ATel 10497: Spectroscopic classification of M31N 2017-06e (Gaia17bmf) as a classical nova
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Blobrana
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TCP J17394608-2457555
(Preview)
ATel 10366: Spectroscopic classification of TCP J17394608-2457555 as a Galactic nova
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Blobrana
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3
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GALEX J184559.8-413827
(Preview)
Title: GALEX J184559.8-413827: a new extreme helium star identified using SALT Author: C. Simon Jeffery A high-resolution spectrum of the helium-rich 'hot subdwarf' GALEX J184559.8-413827 (J1845-4138) obtained with SALT HRS demonstrates it to be the first extreme helium (EHe) star to be disc...
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Blobrana
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Scorpius X-1
(Preview)
Title: The Orbital Period of Scorpius X-1 Authors: Robert I. Hynes, Christopher T. Britt (Louisiana State University) The orbital period of Sco X-1 was first identified by Gottlieb et al. (1975). While this has been confirmed on multiple occasions, this work, based on nearly a century of photogra...
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Blobrana
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5
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DO Draconis
(Preview)
ATel 10477: Rare Low State of DO Dra, the Magnetic Dwarf Nova=Outbursting Intermediate Polar
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Blobrana
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HD 3167
(Preview)
Title: The transiting multi-planet system HD3167: a 5.7 MEarth Super-Earth and a 8.3 MEarth mini-Neptune Author: Davide Gandolfi, Oscar Barragán, Artie P. Hatzes, Malcolm Fridlund, Luca Fossati, Paolo Donati, Marshall C. Johnson, Grzegorz Nowak, Jorge Prieto-Arranz, Simon Albrecht, Fei Da...
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Blobrana
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PNV J00423878+4115498
(Preview)
ATel 10476: Discovery of an Apparent Nova in M31
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Blobrana
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Stein 2051 B
(Preview)
Hubble Astronomers Develop a New Use for a Century-Old Relativity Experiment to Measure a White Dwarf's Mass Hubble observed the nearby white dwarf star Stein 2051 B as it passed in front of a background star. During the close alignment, the white dwarf's gravity bent the light from the distant star...
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Blobrana
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AT 2017emq
(Preview)
ATel 10464: PS17dfh: a bright, nearby transient discovered by PSST. Ed ~ in galaxy UGC 5369
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Blobrana
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V350 Cephei
(Preview)
Title: A deep decrease event in the brightness of the PMS star V350 Cep Author: Evgeni H. Semkov, Sunay I. Ibryamov, Stoyanka P. Peneva New photometric data from CCD UBVRI observations of the PMS star V350 Cep during the period from March 2014 to May 2017 are presented. In the period April-May 2016 we r...
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Blobrana
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OGLE-2016-BLG-0168
(Preview)
Title: OGLE-2016-BLG-0168 Binary Microlensing Event: Prediction and Confirmation of the Micorlens Parallax Effect from Space-based Observation Author: I.-G. Shin, A. Udalski, J. C. Yee, S. Calchi Novati, C. Han, J. Skowron, P. Mróz, I. Soszyski, R. Poleski, M. K. Szymaski, S. Kozowski, P. Pie...
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Blobrana
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HD 27894
(Preview)
Title: Three planets around HD 27894. A close-in pair with a 2:1 period ratio and an eccentric Jovian planet at 5.4 AU Author: T. Trifonov, M. Kürster, M. Zechmeister, O. V. Zakhozhay, S. Reffert, M. H. Lee, F. Rodler, S. S. Vogt, S. S. Brems Aims. Our new program with HARPS aims to detect mean motion res...
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Blobrana
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WISE J104915.57-531906
(Preview)
WISE 1049-5319 (full designation name WISE J104915.57-531906) is a binary brown dwarf system about 6.5 light-years from the Sun in the southern constellation Vela. Read more
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Blobrana
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9
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MASTER OT J152915.84-344746.7
(Preview)
ATel 10307: MASTER-OAFA: very bright, 7.6mag-amplitude OT
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Blobrana
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HD 114174 B
(Preview)
Title: Mid-Infrared High-Contrast Imaging of HD 114174 B : An Apparent Age Discrepancy in a "Sirius-Like" Binary System Author: Christopher T. Matthews, Justin R. Crepp, Andrew Skemer, Philip M. Hinz, Alexandros Gianninas, Mukremin Kilic, Michael Skrutskie, Vanessa P. Bailey, De...
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