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... ArXiv] Identifiability and mixtures of distributions, Aug. ... In the previous versions of BEHR, users are allowed to choose only the gamma prior distribution that is parametrized in terms of an index (shape) parameter and a scale parameter. But there was need for using a tabulated prior distribution that does not necessarily look like a gamma distribution. ... Currently, BEHR supports the tabulated prior distribution only under the Gibbs mode, but it will be updated for the quadrature mode. ...

... LWN.net FAQ . ... Read-copy-update (RCU) is a mutual exclusion technique which can operate without locking most of the time. It can yield significant performance benefits when the data to be protected is accessed via a pointer, is read frequently, changed rarely, and references to the structure are not held while a kernel thread sleeps. The core idea behind RCU is that, when the data requires updating, a pointer to a new structure containing the new data can be stored immediately. ...

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... Hu ChangSong for his Chinese translation * Ciprian Manea for his Romanian translation * Neil Muller for his suggestions on making bbclone work with register_globals off * Carlos Oliva for his Spanish translation * Vilius Simonaitis for his Lithuanian translation * Chad Schmidt for his numerous corrections * Gregori Arjona for his Catalan translation * Engelbert Gruber for his suggestions on correcting fopenlock() * Josef Pinc for his Czech ...

... ID: New Procedure for Production of CCD Bias and Dark Reference Files . ... Finally, on a related note: We have changed the bias monitoring program for STIS in Cycle 8 in that we are now taking ~100 unbinned biases per week in CCDGAIN=1 (plus ~20 in CCDGAIN=4 and 14 in often-used binned modes in CCDGAIN=1) to enable one to create "straightforward" weekly unbinned CCDGAIN=1 bias reference files (thus eliminating the need to update the hot columns and thus the need to run the "weekbias" script). ...

... ESO is building what will be the World's largest optical telescope array, The Very Large Telescope (VLT). The VLT Project organisation is responsible for the design and construction of the Unit Telescopes, including enclosures, optics, adapter-rotators and coating unit. ... Unit Telescopes Overview - This page is outdated, an update is in process. ... Secondary mirror (M2 Unit) - This page is outdated, an update is in process. ... Coating Unit - This page is outdated, an update is in process. ...

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Moon . ... The Magazine . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Hayabusa update . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... applies to task version 0.1 and 1.0 . ... applies to task version 1.1: minor updates . ... applies to task version 1.4: improved flow-chart . ... applies to task version 2.0: new parameter names . ... applies to task version 2.1: new parameter names, some minor updates . ... minor updates for task version 3.0 . ... applies to task version 4.0: new command line parameter . ... applies to task version 5.0: another new command line parameter . ... applies to task version 6.3: new L A T E Xmacros . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . ... Monthly Sky Notes . ... By admin January 21, 2011 Posted in: Robot Exploration . A UFO hovers in the Martian sky (Image credit:NASA/JPL) . The car-sized Mars Science Laboratory Curiosity is too heavy to slam into the rocky plains of Mars encased in airbags like its predecessors, so this imaginative and complex system was devised instead. ... Is there a video anywhere on the internet of a test of the ?sky crane? rockets? ...

. Comments on some possible models of TMC-1 . T.W. Hartquist, D.A. Williams, P. Caselli . 1996, Astrophys. and Space Science, 238, 303 . A comment on "Chemical evolution in circumstellar structure of B5 IRS1" . D.A. Williams, T.W. Hartquist, P. Caselli . 1996, MNRAS, 282, 900 . Click to examine publications from other years . 1998 . 1997 . 1996 . 1995 . Star Formation Group . Radioastronomy Group . Infrared Group . Arcetri Home Page .