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NGC 1365
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Chandra Sees Remarkable Eclipse of Black Hole Chandra observations of the galaxy NGC 1365 have captured a remarkable eclipse of the supermassive black hole at its centre. A dense cloud of gas passed in front of the black hole, which blocked h...
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NGC 404
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NASA's Galaxy Evolution Explorer has lifted the veil off a ghost known to haunt the local universe, providing new insight into the formation and evolution of galaxies. The eerie creature, called NGC 404, is a type of galaxy known as "lenticular." Lenticular galaxies are disk-shaped, w...
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SPLASH survey
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A new survey of galaxies by NASA's Spitzer Space Telescope is taking a plunge into the deep and uncharted waters of our cosmos. In one of the longest surveys the telescope will have ever performed, astronomers have begun a three-month expedition trawling for faint galaxies billions of light-years...
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GRS 1915+105
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Credit: X-ray (NASA/CXC/Harvard/J.Neilsen); Optical & IR (Palomar DSS2) This optical and infrared image from the Digitised Sky Survey shows the crowded field around the micro-quasar GRS 1915+105 (GRS 1915 for short) located near the plane of our Galaxy. The inset shows a close-up of the Cha...
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Laniakea Supercluster
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Newly Identified Galactic Supercluster Is Home to the Milky Way Astronomers using the National Science Foundation's Green Bank Telescope (GBT) -- among other telescopes -- have determined that our own Milky Way galaxy is part of a newly identified ginormous supercluster of galaxies, which they...
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SDSS J150243.09+111557.3
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Title: A close-pair binary in a distant triple supermassive black-hole system Author: R. P. Deane (1,2), Z. Paragi (3), M. J. Jarvis (4,5), M. Coriat (1,2), G. Bernardi (2,6,7), R. P. Fender (4), S. Frey (8), I. Heywood (9,6), H.-R. Klöckner (10), K. Grainge (11), C. Rumsey (12), ((1) University of C...
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SGR 1900+14
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NASA's Spitzer Space Telescope has found a bizarre ring of material around the magnetic remains of a star that blasted to smithereens. The stellar corpse, called SGR 1900+14, belongs to a class of objects known as magnetars. These are the cores of massive stars that blew up in supernova explosions,...
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NGC 752
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Title: Seven-color Vilnius photometry of the open cluster NGC 752 Authors: S. Bartasiute, V. Deveikis, V. Straizys, A. Bogdanovicius (Version v2) New photoelectric seven-colour observations in the Vilnius system are presented for 65 stars in the region of the open cluster NGC 752. Based on indi...
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Dark Energy Survey
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Dark Energy Survey kicks off second season cataloguing deep space UCL scientists are set to continue investigations into why expansion of the universe is speeding up, having already secured high quality early data. On 15th August, with its successful first season behind it, the Dark Energy Surve...
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NGC 7063
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Title: uvby--beta photoelectric photometry of NGC 7063 Authors: J.H. Pena, L. Fox Machado, R. Garrido From uvby photometry of 75 stars in the direction of NGC 7063 we were able to determine membership of some stars and fix the distance (722 ± 105 pc), log age (of 8.146) and reddening (E(b-y) = 0.091 ± 0...
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TXS 1731+152A
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ATel 6393: Fermi LAT Detection of a New Gamma-ray Source TXS 1731+152A
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IRC-0218A
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Title: A Chandra view of the z=1.62 galaxy cluster IRC-0218A Authors: M. Pierre, N. Clerc, B. Maughan, F. Pacaud, C. Papovich, C. N. A. Willmer Context: Very few z > 1.5 clusters of galaxies are known. It is important to study the properties of galaxies in these clusters and the ICM and, further, to...
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Arp 82
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A pair of interacting galaxies might be experiencing the galactic equivalent of a mid-life crisis. For some reason, the pair, called Arp 82, didn't make their stars early on as is typical of most galaxies. Instead, they got a second wind later in life — about 2 billion years ago — and started pumpi...
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MACS J0416.1-2403
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Title: CLASH: The enhanced lensing efficiency of the highly elongated merging cluster MACS J0416.1-2403 Authors: A. Zitrin, M. Meneghetti, K. Umetsu, T. Broadhurst, M. Bartelmann, R. Bouwens, L. Bradley, M. Carrasco, D. Coe, H. Ford, D. Kelson, A. M. Koekemoer, E. Medezinski, J. Moustakas, L. A...
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Triangulum-Andromeda overdensity
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Title: TriAnd and its Siblings: Satellites of Satellites in the Milky Way Halo Author: A. J. Deason, V. Belokurov, K. M. Hamren, S. E. Koposov, K. M. Gilbert, R. L. Beaton, C. E. Dorman, P. Guhathakurta, S. R. Majewski, E. C. Cunningham We explore the Triangulum-Andromeda (TriAnd) overdensity in th...
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