Title: The Mass of the Black Hole in the Quasar PG 2130+099 Authors: C. J. Grier, B. M. Peterson, M. C. Bentz, K. D. Denney, J. D. Eastman, M. Dietrich, R. W. Pogge, J. L. Prieto, D. L. DePoy, R. J. Assef, D. W. Atlee, J. Bird, M. E. Eyler, M. S. Peeples, R. Siverd, L. C. Watson, J. C. Yee We present the results o...
Hi All New to this particular forum , but I thought that in my first post I would introduce a slightly different observation. On July 26 Soyuz - 2 launched , thought to be carrying a new spy sat "Persona" I have seen much speculation about what Persona looks like......linking it to Arkon...
Title: Riding the Spiral Waves: Implications of Stellar Migration for the Properties of Galactic Disks Authors: Rok Rokar, Victor P. Debattista, Thomas R. Quinn, Gregory S. Stinson, James Wadsley Stars in disks of spiral galaxies are usually assumed to remain roughly at their birth radii. This a...
Title: SN 2006tf: Precursor Eruptions and the Optically Thick Regime of Extremely Luminous Type IIn Supernovae Authors: Nathan Smith, Ryan Chornock, Weidong Li, Mohan Ganeshalingam, Jeffrey M. Silverman, Ryan J. Foley, Alexei V. Filippenko, Aaron J. Barth SN2006tf is the third most luminous s...
NASA's Johnson Space Centre closed at 12 p.m. CDT Monday and will remain closed through Tuesday because of the threat of tropical storm Edouard. Plans call for the centre to reopen Wednesday. Edouard is predicted to cross the Texas coast early Tuesday. [url=http://www.nasa.gov/home/hqnews/20...
Title: The Luminous and Carbon-Rich Supernova 2006gz: A Double Degenerate Merger? Authors: M. Hicken, P. M. Garnavich, J. L. Prieto, S. Blondin, D. L. DePoy, R. P. Kirshner, J. Parrent Spectra and light curves of SN 2006gz show the strongest signature of unburned carbon and one of the slowest fadin...
Title: VW LMi: tightest quadruple system known. Light-time effect and possible secular changes of orbits Authors: T. Pribulla, D. Baludansky, P. Dubovsky, I. Kudzej, S. Parimucha, M. Siwak, M. Vanko Tightest known quadruple systems VW LMi consists of contact eclipsing binary with P_12 = 0.4775...
Title: On the nature of the intermittent pulsar PSR B1931+24 Authors: N. Rea (1,2), M. Kramer (3), L. Stella (4), P. Jonker (2,5,6), C. Bassa (6), P. Groot (7), G. Israel (4), M. Mendez (8), A. Possenti (9), A. Lyne (3) ((1) U. Amsterdam, (2) SRON-Utrecht, (3) Jodrell Bank Observatory, (4) INAF-OAR, (...
Learable Hill in Strath of Kildonan (Sutherland) has a complex of three or four groups of stone avenues. In the north are two parallel stone rows and to the south there is a fan-shaped row. The site contains a 1.6m tall standing stone, bearing on its west face an incised cross. Latitude: 58.191831N L...
Chinese scientists are gearing up for a trip to the North Pole in mid-July to explore the arctic.
The expedition will last six months and include research into polar meteorology, environmental monitoring and sea ice.
A team of 21 Chinese scientists will soon leave for the Yellow River Statio...
An Ariane 3 (Stage 4) Rocket Body that was launched in September, 1988, from the Guiana Space Centre for the GStar 3/SBS 5 mission, is predicted to re-enter the Earths atmosphere on 31st July 2008 @ 09:48 UTC ± 72 hours TLE Data...
Firefighters are monitoring a patch of land north of Fillmore where the ground climbed to 812 degrees on Friday for unknown reasons. Possible theories include that natural hydrocarbons such as oil or gas are burning deep in the earth. But nobody knows for sure what might have ignited the materials....