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SDSS J094604.90+183541.8
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Title: SDSS J094604.90+183541.8: A Gravitationally Lensed Quasar at z=4.8 Authors: Ian D. McGreer (1), Patrick B. Hall (2), Xiaohui Fan (1), Fuyan Bian (1), Naohisa Inada (3), Masamune Oguri (4), Michael A. Strauss (5), Donald P. Schneider (6), Kara Farnsworth (1) ((1)Steward Observatory, (2)...
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Radio Galaxy 3C 33
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Title: Suzaku Observations of the Radio Galaxy 3C 33 Authors: Daniel A. Evans (1), James N. Reeves (2), Martin J. Hardcastle (3), Ralph P. Kraft (4), Julia C. Lee (4), Shanil N. Virani (5) ((1) MIT Kavli Institute for Astrophysics and Space Research, (2) Keele University, (3) University of Hertford...
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Young galaxies
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Young galaxies gorge on gas Scientists find explanation for higher star formation rate in young galaxies Stars form from giant gas clouds in galaxies - the star formation rate however has changed over cosmic timescales. In the young universe many more stars were born. Scientists from the Max Planc...
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SDSS J125454.87+084652.1
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Title: SDSS J1254+0846: A Binary Quasar Caught in the Act of Merging Authors: Paul J. Green (1), Adam D. Myers (2), Wayne A. Barkhouse (3), John S. Mulchaey (4), Vardha N. Bennert (5), Thomas J. Cox (1,3), Thomas L. Aldcroft (1) ((1) Harvard-Smithsonian Centre for Astrophysics, (2) University of Il...
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Dwarf Irregular Galaxy KKH 98
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Title: The Asymptotic Giant Branch and the Tip of the Red Giant Branch as Probes of Star Formation History: The Nearby Dwarf Irregular Galaxy KKH 98 Authors: J. Melbourne (Caltech), B. Williams (U. Washington), J. Dalcanton (U. Washington), S. M. Ammons (Arizona), C. Max (UCSC), D. C. Koo (UCSC), L...
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Supernova 2009kf
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Title: SN 2009kf : a UV bright type IIP supernova discovered with Pan-STARRS 1 and GALEX Authors: M.T. Botticella (Queen's University Belfast), C. Trundle, A. Pastorello, S. Rodney, A. Rest, S. Gezari, S. J. Smartt, G. Narayan, M.E. Huber, J. L. Tonry, D. Young, K. Smith, F. Bresolin, S. Valenti, R....
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NGC 300 X-1
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Black Hole Hunters Set New Distance Record Astronomers using ESO's Very Large Telescope have detected, in another galaxy, a stellar-mass black hole much farther away than any other previously known. With a mass above fifteen times that of the Sun, this is also the second most massive stellar-mass...
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Wolf-Rayet/black-hole binary
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Title: A Wolf-Rayet/black-hole X-ray binary candidate in NGC 300
Authors: S. Carpano, A.M.T. Pollock, J. Wilms, M. Ehle, M. Schirmer
Wolf Rayet/black hole binaries are believed to exist as a later evolutionary product of high-mass X-ray binaries. Hundreds of such binari...
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NGC300 Cepheids
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VLT Enables Most Accurate Distance Measurement to Spiral Galaxy NGC 300
Cepheid pulsating stars have been used as distance indicators since the early discovery of Henrietta Leavitt almost a hundred years ago. From her photographic data regarding one of the Milky Way's neigh...
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Supernova 2010P
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A magnitude 15.9 supernova, 2010P, was discovered by S. Mattila and E. Kankare on the 23rd January, 2010, in the galaxy NGC 3690 in the constellation Ursa Major. The supernova is located 6.2" East and 0.3" North from the center of the galaxy. As yet the type is unknown. Position (2000): RA 1...
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NGC 1376
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Snowflake-Shaped Galaxy As part of its Hubble Heritage program, NASA has released an image, taken by a team led by University of Arizona astronomer Rodger Thompson, of a galaxy that resembles a snowflake. Click here to view the image. A bluish-white spiral galaxy hangs delicately in the cold vacuu...
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NGC6868 and NGC6861
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Title: The Mysterious Merger of NGC6868 and NGC6861 in the Telescopium Group Authors: M. E. Machacek (1), E. O'Sullivan (1 and 2), S.W. Randall (1), C. Jones (1), W. R. Forman (1) ((1) CfA, (2) Univ. of Birmingham) We use Chandra X-ray observations of the hot gas in and around NGC6868 and NGC6861 in the...
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Mark 279
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Title: XMM-Newton unveils the complex iron K alpha region of Mrk 279 Authors: E. Costantini (1), J.S. Kaastra (1 and 2), K. Korista (3), J. Ebrero (1), N. Arav (4), G. Kriss (5), K.C. Steenbrugge (6) ((1) SRON, (2) Utrecht University, (3) WMU, (4) VT, (5) STSci, (6) Oxford University) (Submitted on 15...
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GRB 071025
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Astronomers may have detected smoke signals generated by a group of supernovas that blew up when the universe was only about 1.2 billion years old. If correct, the researchers have detected would be one of the earliest known signs of supernova-produced dust in the universe and the very earliest det...
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SDSS J0927+2943
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Title: A quasar companion to the puzzling quasar SDSS J0927+2943 Authors: R. Decarli, R. Falomo, A. Treves, M. Barattini We report the discovery of a quasar close to SDSS J0927+2943 (z = 0.713), which is a massive binary / recoiling black hole candidate. The companion quasar is at a projected distan...
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