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ARP 302
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Title: Molecular Gas and Star formation in ARP 302 Authors: Yiping Ao, Dinh-V-Trung, Jeremy Lim, Ji Yang, Satoki Matsu****a We present the Submillimeter Array observation of the CO J=2-1 transition towards the northern galaxy, ARP 302N, of the early merging system, ARP 302. Our high angular reso...
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Abell 851
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Title: Spitzer 24 micron detections of starburst galaxies in Abell 851 Authors: A. Dressler, J. Rigby, A. Oemler Jr., J. Fritz, B. Poggianti, G. Rieke, L. Bai Spitzer-MIPS 24 micron and ground-based observations of the rich galaxy cluster Abell 851 at z=0.41 are used to derive star formation rates...
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3C321
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A powerful jet from a super massive black hole is blasting a nearby galaxy, according to new findings from NASA observatories. This never-before witnessed galactic violence may have a profound effect on planets in the jet's path and trigger a burst of star formation in its destructive wake. Known a...
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Segue 3
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Title: Big fish, small fish: Two New Ultra-Faint Satellites of the Milky Way Authors: V. Belokurov (1), M.G. Walker (1), N.W. Evans (1), G. Gilmore (1), M. J. Irwin (1), D. Just (2), S. Koposov (1), M. Mateo (3), E. Olszewski (2), L. Watkins (1), L. Wyrzykowski (1) ((1) IoA, Cambridge, (2) Steward Obse...
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Cosmic Optical Background
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Title: Cosmic Optical Background: the View from Pioneer 10/11 Authors: Y. Matsuoka, N. Ienaka, K. Kawara, S. Oyabu We present the new constraints on the cosmic optical background (COB) obtained from an analysis of the Pioneer 10/11 Imaging Photopolarimeter (IPP) data. After careful examinatio...
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Abell 194
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Title: 3C 40 in Abell 194: can tail radio galaxies exist in a quiescent cluster? Authors: I. Sakelliou, M. J. Hardcastle, N. N. Jetha The nearby cluster Abell 194 hosts two luminous, distorted radio galaxies. Both reside within the cluster's core region, being separated in projection by only 100 kp...
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Cosmic infrared background
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Title: Building the cosmic infrared background brick by brick with Herschel/PEP Authors: S. Berta, B. Magnelli, R. Nordon, D. Lutz, S. Wuyts, B. Altieri, P. Andreani, H. Aussel, H. Castaneda, J. Cepa, A. Cimatti, E. Daddi, D. Elbaz, N.M. Foerster Schreiber, R. Genzel, E. Le Floc'h, R. Maiolino, I....
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Distant Black Holes
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Astronomers Discover Giant Black Holes at Edge of Universe Astronomers have been peering farther and farther into space, and back in time, using the worlds most powerful telescopes to detect galaxies billions of light years away that existed when the universe was just a fraction of its current age...
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Seyfert 1
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Title: Assessing black hole spin in deep Suzaku observations of Seyfert 1 AGN Authors: A. R. Patrick, J. N. Reeves, A. P. Lobban, D. Porquet, A. G. Markowitz We present a broad-band analysis of deep Suzaku observations of nearby Seyfert 1 AGN: Fairall 9, MCG--6-30-15, NGC 3516, NGC 3783 and NGC 4051....
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NGC 7793
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Combining observations made with ESO's Very Large Telescope and NASA's Chandra X-ray telescope, astronomers have uncovered the most powerful pair of jets ever seen from a stellar black hole. This object, also known as a microquasar, blows a huge bubble of hot gas, 1000 light-years across, twice a...
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Tiny black holes
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13 April 2005
A research group at Cambridge think that the universe might once have been packed full of tiny black holes. Dr Martin Haehnelt, a researcher in the group led by Astronomer Royal Martin Rees, will prese...
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Missing mass
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Monash student finds Universe's missing mass A Monash student has made a breakthrough in the field of astrophysics, discovering what has until now been described as the Universe's 'missing mass'. Amelia Fraser-McKelvie, working within a team at the Monash School of Physics, conducted a targete...
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M31 RV
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Title: Hubble Space Telescope Imaging of the Outburst Site of M31 RV. II. No Blue Remnant in Quiescence Authors: Howard E. Bond (Space Telescope Science Institute) M31 RV is a red transient that erupted in 1988 in the Andromeda bulge, reaching a luminosity intermediate between novae and supernova...
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Virgo HI Cloud (NGC 4388)
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Researchers are reporting the discovery of a large hydrogen (HI) cloud in the central regions of the Virgo cluster. It is 110 x 25 kpc in size and contains 3.4 x 10^8 solar masses of hydrogen gas. The shape and movement of this cloud strongly suggest that it consists of gas removed from t...
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NGC 2442
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NGC 2442 (also NGC 2443, Meathook Galaxy, IRAS 07367-6924 and PGC 21373) is a magnitude +10.4 intermediate spiral galaxy located 50 ±1.2 million light-years away in the constellation Volans. The galaxy has a distorted 'S-shaped form'. The southwest part of the galaxy is listed as NGC 2442; the no...
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