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W Ophiuchi
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Maxima of long period variable W Ophiuchi on the 12th March, 2010 Magnitude: 9.3-14.9 V Type: Mira Period: 332.68 days Position (2000): RA 16 21 24.46, Dec -07 42 00.2
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Blobrana
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Teegarden's Star
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Astronomers have discovered one of the closest stars to our Sun, and they say that more undetected close neighbours may be lurking in our vicinity. The new star was found because its relatively swift motion across the sky was picked up by automated sky surveys. It ranks as the third closest star syste...
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RR Caeli
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Title: The mass and radius of the M-dwarf in the short period eclipsing binary RR Caeli Authors: P.F.L. Maxted (1,2), D. O'Donoghue (3), L. Morales-Rueda (4,2), R. Napiwotzki (5) ((1)Keele University, UK, (2)Southampton University, UK, (3) SAAO, South Africa, (4) Universi...
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Young moving groups
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Title: Cool Young Stars in the Northern Hemisphere: Beta Pictoris and AB Doradus Moving Group Candidates Authors: Joshua E. Schlieder, Sébastien Lépine, Michal Simon As part of our continuing effort to identify new, low-mass members of nearby, young moving groups (NYMGs), we present a list of y...
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Blobrana
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XB1832-330
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Title: XMM-Newton observations of the low-mass X-ray binary XB1832-330 in the galactic globular cluster NGC 6652 Authors: L. Sidoli (1), N. La Palombara (1), T. Oosterbroek (2), A.N. Parmar (3) ((1)-INAF, Istituto di Astrofisica Spaziale e Fisica Cosmica, Milano, Italy (2)-Science Payload a...
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Dwarf nova QZ Virgo
(Preview)
The dwarf nova QZ Virgo (= T Leo) is in outburst. Date: 2009 01 26 Magnitude: 10.2 - 15.7 Period: ? Satellite period: unknown Type: UGSU Position(2000): RA=11 38 26.82, Dec=+03°22'07.1"
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Blobrana
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3
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OH 231.84 +4.22
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Title: Rotten Egg Nebula: The magnetic field of a binary evolved star Authors: M. L. Leal-Ferreira, W. H. T. Vlemmings, P. J. Diamond, A. Kemball, N. Amiri, J.-F. Desmurs Most of PNe are not spherical. The loss of spherical symmetry occurs somewhere between the AGB and PN phase. The cause of this chan...
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U Herculis
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Maximum of U Herculis Variable Star, at 0.6h, 22nd February, 2010 Magnitude=6.4mag Minimum=13.4mag Period= 2.1days Position(2000): RA =16 25 47.4713, Dec =+18 53 32.867
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Blobrana
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4
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G28.87+0.07
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Title: Massive star-formation toward G28.87+0.07 (IRAS 18411-0338) investigated by means of maser kinematics and radio to infrared, continuum observations Authors: J. J. Li, L. Moscadelli, R. Cesaroni, R. S. Furuya, Y. Xu, T. Usuda, K. M. Menten, M. Pestalozzi, D. Elia, E. Schisano We used the V...
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UGPSJ0722-05
(Preview)
UGPSJ0722-05 is a sub-brown dwarf located approximately nine light years from Earth. The astronomical object was discovered by Philip Lucas at the University of Hertfordshire in 2010. Read more
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Blobrana
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CW Monocerotis
(Preview)
The grazing eclipsing dwarf nova CW Monocerotis is in outburst. Date: 27th October 2008 Magnitude: 11.9 - 16.3 Period: 121.7 days Satellite period: 0.1766 days Type: UGSS Position(2000): RA=06 36 54.58, Dec=+00°02'17.2"
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Blobrana
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HX Pegasi
(Preview)
Date of outbreak: 9th June 2010 Magnitude: 12.9 - 16.62 V Period: 0.2008 days Orbital period of satellite: days Type: UGZ Position(2000): RA=23 40 23.70, Dec=+12°37'41.7"
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Blobrana
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Red giants
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(Preview)
When stars like our sun die, they bloat to become red giants and then eject gigantic clouds of gas and dust into space. Increasingly, however, scientists found themselves at a profound loss to explain how exactly dying stars could blow away these clouds. Now astrophysicists propose that unexpecte...
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CRTS survey
(Preview)
Astronomers Release an Unprecedented Data Set on Variability of Celestial Objects An example of a star that flares occasionally. This is a so-called dwarf nova, a binary star system where a material flows from a red giant star to a compact, dense white dwarf companion, and sometimes causes major e...
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RT Sagittarii
(Preview)
Maxima of long period variable RT Sagittarii on the 29th April, 2010 Magnitude: 7.0-13.3 V Type: Mira Position (2000): RA 20 17 43.6461, Dec -39 06 46.024
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