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NGC 84
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NGC 84 is a magnitude +15.0 star located in the constellation Andromeda. Some sources (wrongly?) indicate that NGC 84 is the nearby galaxy MCG+04-02-010 (LEDA 1384). The star was discovered by French astronomer Guillaume Bigourdan using a 30.48 cm (12 inch) refractor at the Paris Observatory on...
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T Sagittarius
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Maxima of the long period variable T Sagittarius (HD 180196) on the 12th August, 2010. Magnitude: 8.0-12.6 Type: Mira Position(2000): RA 19 16 14.4401, Dec -16 58 17.063
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NGC 1932
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NGC 1932 (also ESO 85-77, HD 271203, 2MASS J05222717-6609064) is a magnitude +10.1 star in the constellation Dorado. The star was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescope at Feldhausen, Claremont, Cape Town on the 2nd Novem...
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W26
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The biggest known star in the cosmos is in its death throes and will eventually explode, astronomers said on Wednesday. Using a telescope at the European Southern Observatory in Chile, the astronomers said they had spotted telltale signs in a star called W26. Located about 16,000 light years away i...
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White dwarf GD61
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Title: Possible Signs of Water and Differentiation in a Rocky Exoplanetary Body Authors: J. Farihi, C. Brinkworth, B. T. Gaensicke, T. R. Marsh, J. Girven, D. W. Hoard, B. Klein, D. Koester Spitzer observations reveal the presence of warm debris from a tidally destroyed rocky and possibly icy plan...
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J-type carbon stars
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Title: A nova re-accretion model for J-type carbon stars Author: S. Sengupta, R. G. Izzard, H.H.B. Lau The J-type carbon (J)-stars constitute 10-15% of the observed carbon stars in both our Galaxy and the Large Magellanic Cloud (LMC). They are characterized by strong 13C absorption bands with low...
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NGC 7788
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NGC 7788 (also OCL 275) is a magnitude +9.4 open star cluster in the constellation Cassiopeia. NGC 7788 was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescope at Windsor Road in Slough, Berkshire, on the 5th October 1829. RA 23h 56m4...
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NGC 7561
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NGC 7561 is a magnitude +13.9 star in the constellation Pisces. NGC 7561 was discovered by Swedish astronomer Per Magnus Herman Schultz using a 24.38 cm (9.6 inch) f/17.7 Steinheil refractor at the Uppsala Observatory, Sweden, on the 5th October 1864. RA 23h 15m 57.4s, Dec +04° 31' 21"
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NGC 7560
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NGC 7560 is a magnitude+13.5 double star in the constellation Pisces. NGC 7560 was discovered by Swedish astronomer Per Magnus Herman Schultz using a 24.38 cm (9.6 inch) f/17.7 Steinheil refractor at the Uppsala Observatory, Sweden on the 5th October 1864. RA 23h 15m 53.8s, Dec +04° 29' 45"...
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Andromeda V1
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Though the universe is filled with billions upon billions of stars, the discovery of a single variable star in 1923 altered the course of modern astronomy. And, at least one famous astronomer of the time lamented that the discovery had shattered his world view. The star goes by the inauspicious name...
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HD 184738
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Hubble Eyes a Smoldering Star This new image, snapped by NASA/ESA Hubble Space Telescope, shows the star HD 184738, also known as Campbells hydrogen star. It is surrounded by plumes of reddish gas - the fiery red and orange hues are caused by glowing gases, including hydrogen and nitrogen. HD 184738...
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KIC 7524178
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Title: KIC 7524178 -- an SU UMa-Type Dwarf Nova Showing Predominantly Negative Superhumps throughout Supercycle Authors: Taichi Kato (Kyoto U.), Yoji Osaki (U. of Tokyo) We analysed the Kepler long cadence data of KIC 7524178 (=KIS J192254.92+430905.4), and found that it is an SU UMa-type dwarf...
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X Circini
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Title: Becker's Nova Circini No. 2 1926 Authors: Cannon, A. J. Read more
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T Orionis
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T Orionis (T Ori / BD-05 1329 / GCRV 3447) is a star system in the constellation of Orion with an apparent magnitude +11.25. The AAVSO International Database shows T Orionis with a visual range of magnitude 9.3-~12.6. It is approximately 1500 light years from the Solar System. T Orionis has spectral t...
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HD 197027
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Oldest Solar Twin Identified An international team led by astronomers in Brazil has used ESO's Very Large Telescope to identify and study the oldest solar twin known to date. Located 250 light-years from Earth, the star HIP 102152 is more like the Sun than any other solar twin - except that it is nearl...
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