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M104
(Preview)
This floating ring is the size of a galaxy. In fact, it is part of the photogenic Sombrero Galaxy, one of the largest galaxies in the nearby Virgo Cluster of Galaxies.
[url=http://antwrp.gsfc.n...
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EXO 2030+375
(Preview)
Title: Giant outburst of EXO 2030+375: pulse-phase resolved analysis of INTEGRAL data Authors: D. Klochkov, A. Santangelo, R. Staubert, C. Ferrigno In June-September 2006 the Be/X-ray binary EXO 2030+375 experienced the second giant outburst since its discovery. The source was shown to have a...
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White dwarf planets
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1 2 3
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(Preview)
Astronomers using NASA's Spitzer Space Telescope will hold a media teleconference at 1 p.m. EDT Wednesday, April 5 to announce the discovery of a strange place where planets might be forming.
Astronomers have found five stellar corpses that appear to be swallowing asteroids that once orbite...
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Herbig-Haro 1 and 2
(Preview)
Herbig-Haro object #1 and #2 are formed when a surrounding the cloud is heated by shock waves from jets of high-speed gas being ejected from a newborn star. Because the star itself is embedded in a dusty cocoon, the Herbig-Haro objects provide the only visible clues to physical processes occurring i...
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Messier 78
(Preview)
The nebula M78 (also known as Messier object 78 or NGC 2068) is a reflection nebula in the constellation Orion. It was discovered by Pierre Méchain in 1780 and included by Charles Messier in his catalogue of comet-like objects that same year.
[url=http://static.flickr.com/111/267175435...
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Fermi Bubble
(Preview)
Title: Origin of the Fermi Bubble Authors: K.S. Cheng, D. O. Chernyshov, V. A. Dogiel, C.-M. Ko, W.-H. Ip Fermi has discovered two giant gamma-ray-emitting bubbles that extend nearly 10kpc in diameter north and south of the galactic centre (GC). The existence of the bubbles was first evidenced in X...
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Galactic Center Cloud 50MC
(Preview)
Title: ALMA view of the Galactic Center 50km/s molecular cloud Author: Kenta Uehara, Masato Tsuboi, Yoshimi Kitamura, Ryosuke Miyawaki, Atsushi Miyazaki We have observed the Galactic Center 50km/s molecular cloud (50MC) with ALMA to search for filamentary structures. In the CS J=2-1 emission...
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RX J1713.7-3946
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Title: 3 to 12 millimetre studies of dense gas towards the western rim of supernova remnant RX J1713.7-3946 Authors: Nigel I. Maxted, Gavin P. Rowell, Bruce R. Dawson, Michael G. Burton, Brent P. Nicholas, Yasuo Fukui, Andrew J. Walsh, Akiko Kawamura, Hirotaka Horachi, Hidetoshi Sano The young X-...
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RR Pictoris
(Preview)
Title: RR Pic (1925): A Chandra X-ray View Authors: Y. Pekon, S. Balman (METU) We present the Chandra ACIS-S3 data of the old classical nova RR Pic (1925). The source has a count rate of 0.067+/-0.002 c/s in the 0.3-5.0 keV energy range. We detect the orbital period of the underlying binary system in th...
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Hercules Dwarf Galaxy
(Preview)
An international team of astronomers using the Large Binocular Telescope (LBT) in Arizona has discovered that the Hercules Dwarf Galaxy is shaped like a cigar. That makes it an oddball among millions of its peers. The Hercules Dwarf is a companion galaxy to our own Milky Way, but has only one ten-mil...
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4
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1E161348-5055
(Preview)
Embedded in the heart of a supernova remnant 10,000 light-years away is a stellar object the likes of which astronomers have never seen before in our galaxy.
At first glance, the object looks like a densely packed stellar corpse known as a neutron star surrounded by a bubble of ejected stellar ma...
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North Polar Spur
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Title: Suzaku Observations of the North Polar Spur: Evidence for Nitrogen Enhancement Authors: Eric D. Miller, Hiroshi Tsunemi, Mark W. Bautz, Dan McCammon, Ryuichi Fujimoto, John P. Hughes, Satoru Katsuda, Motohide Kokubun, Kazuhisa Mitsuda, F. Scott Porter, Yoh Takei, Yohko Tsuboi, Noriko...
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RCW 103
(Preview)
Title: The extremely long period X-ray source in RCW 103: a descendant of Thorne-Zytkow Object? Authors: X. W. Liu, R. X. Xu, G. J. Qiao, J. L. Han, Z. W. Han, X. D. Li The spin evolution of the compact neutron core in a Thorne-Zytkow Object (TZO) is investigated to explore the origin of extremely long pe...
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IRAS 19340+2016 and IRAS 19343+2026
(Preview)
'Enterprise' Nebulae Seen by Spitzer Just in time for the 50th anniversary of the TV series "Star Trek," which first aired September 8th,1966, a new infrared image from NASA's Spitzer Space Telescope may remind fans of the historic show. On the right of the image, with a little scrutiny, you may see h...
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Terzan 5
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1 2
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(Preview)
Title: Eight New Millisecond Pulsars in NGC 6440 and NGC 6441 Authors: Paulo C. C. Freire, Scott M. Ransom, Steve Begin, Ingrid H. Stairs, Jason W. T. Hessels, Lucille H. Frey, Fernando Camilo Motivated by the recent discovery of 30 new millisecond pulsars in Terzan 5, made using the Green Bank Teles...
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