Theoretical energy levels: Zhang, Sampson, ADNDT, 1992 , 52, 143 %Experimental energy levels: Edlen, B., 1983, Phys. Scripta, 28, 51. %produced as part of the Arcetri/Cambridge/NRL atomic data base collaboration CHIANTI and the Arcetri Spectral Code % Enrico Landi 1997 . ...

... AstroGrid, a three year, PPARC-funded, e-Science project, which forms the UK's contribution to world-wide efforts to build a Virtual Observatory based on Grid technologies, announces the availability of several new, web-based, collaboration tools. The static pages of the project portal, now located at http://www.astrogrid.org , present background information about the project plus links to core documents and the new collaboration tools. ... European AVO Project: http://www.eso.org/projects/avo/ . ...

... Educational programs (English) . ... Pre-university education . ... Research areas . ... Samara region . SSAU History . ... Scientific Publications . ... Samara State Aerospace University and Schneider Electric signed a memorandum of cooperation. Document was signed by Evgeniy Shakhmatov, SSAU Rector and Joachim Dahms, Senior Vice President in management of Schneider Electric Energetics market, Chairman of the Board of Directors of PC Electroshield - TM Samara . ... Schneider Electric . ...

Astrophysics Group . Cavendish Laboratory . Department of Physics > Astrophysics . ... This workshop will discuss possible future CMB ground-based experiments, aimed particularly at detection of primordial B-mode polarisation and at imaging of the Sunyaev-Zel'dovich effect. ... Last modified: 9 August 2009 . 2009 Astrophysics Group, Department of Physics, Cavendish Laboratory, University of Cambridge . ...

... Technology Transfer > Technologies that have been developed or extended in collaboration with industry through an ESO development contract or colloboration agreement . ... Developments at ESO . ... During this period, and continuing with the development of the AO systems for the VLT (NACO, MACAO, SINFONI, CRIRES etc.) a number of firms received ESO contracts for developing the key technologies. ... ESO Technology Division . ... Development Contract . ... Historic Developed Technologies . ...

... 1.Magnetic and magneto-elastic properties of heavy rare earth metals. ... High magnetic fields of 100 kOe and more were necessary to saturate the magnetization of havy rare earth metals. ... It was shown that the effective exchange field theory is sufficient for the description of the magnetic order in heavy rare earth metals and their compounds. ... The duality of the state of the magnetic carriers in the traditional 3d-magnetic materials. ... LHPP ISSP RAS © 2004 All rights reserved ...

Monte Carlo Methods for Including Calibration Uncertainties in Model Fitting Analyses Jeremy J. Drakea , Peter Ratzlaffa , Vinay Kashyapa , Richard Edgara , Rima Izemb , Diab Jeriusa , Herman ... University, Cambridge, MA 02138 MIT Kavli Institute for Astrophysics and Space Research, Cambridge, MA 02139 b c SUMMARY · Instrument response uncertainties almost universally ignored in astrophysical X-ray ... Limiting accuracy of Chandra ACIS reached in spectra with 10 4 counts. ...

This module allows "anonymous" user access to authenticated areas. ... Source File: mod_auth_anon.c . ... This module does access control in a manner similar to anonymous-ftp sites; i.e. have a 'magic' user id 'anonymous' and the email address as a password. ... Anonymous_VerifyEmail The example below (when combined with the Auth directives of a htpasswd-file based (or GDM, mSQL etc. ) base access control system allows users in as 'guests' with the following properties: . ... Default: none . ...

... RECOMMENDED VALUES OF PHYSICAL CONSTANTS AND CONVERSION FACTORS. ... This reference must be included when these constants are used in a context where their full accuracy is important. ... elementary charge (of proton) . ... gravitational constant . ... unified atomic mass constant . ... of electron . ... of proton . ... Planck constant . ... Rydberg constant, m 0 2 m e e 4 c 3 /8h 3 . ... fine structure constant, m 0 e 2 c/2h . ... Bohr radius, h 2 ( pm 0 c 2 m e e 2 ) . ... Bohr magneton, e h /2m e...

... Assured of a reliable method of solving the normal equations, we now consider the equations of condition. The observed magnitude m of a star at M air masses with true instrumental magnitude is modelled as ([ 10 ], [ 28 ]) . ... The effective extinction coefficient depends on the effective spectral gradient [ 29 ] of the star, for which we use some color index, affected by half the atmospheric reddening ([ 26 ], [ 10 ]): . ... Thus, for the B band of UBV, we use the (U-V) color. ...

... Chapter 12: Cosmic OriginsSpectrograph (COS) > 12.11 Mode = TIME-TAGConfig = COS/NUV . ... 12.11.3 Wavelength . ... Note : No wavelength should be specified if MIRRORA or MIRRORB is the Spectral Element. ... Specifies the estimated minimum time in which 2.35 x 10 6 photon events (half of the COS data buffer capacity) will be accumulated during a TIME-TAG exposure. ... FP-POS . ... The values FP-POS=1, 2 or 4 will result in the exposure being taken at an offset from the specified central wavelength. ...

... Since 2011 our observatory is a member of GLORIA (GLObal Robotic telescopes Intelligent Array for e-Science) project - wide international collaboration of 13 scientific institutions from 8 countries aiming at opening public access to robotic telescopes, as well as propagating astronomy in general. The GLORIA Project offers Internet users the possibility of studying the sky from professional observatories. ... The experiments are available at the users site of GLORIA. ... About GLORIA . ...

... Up: Web Services and Publications . ... We present the architecture, design, and implementation details of the ADASS XII web site. The web site was implemented in Zope, a high-performance application server, web server, and content management system rolled into one. ... The sitemap was created in the beginning to organize the constantly flowing and changing information of web sites. ... The unique Zope content management application divides web content from the site design. ...

To main of Laboratory . The research work and design of optical and optical-electronic devices are carries out by laboratory staff: . ... Lens: . ... In the layout 1 prism systems perform functions of dispersive element, corrector of aberrations, optical reducer. ... Spectral range 200 - 400 nm; . ... Back Forward . ... The main corrector's function are compensation of field aberrations of the main spherical mirror of a telescope (diameter of 600 mm, f'=1200 mm) and increase aperture ratio. ...

Next: Solar System Astronomy Up: Stellar Astrophysics Previous: Star Formation and Stellar . A new collaboration with astronomers based in Armenia, Russia, Germany and Spain was planned and funding obtained from the European funding body INTAS. ... The partners are the Max Planck Institute for Astronomy in Heidelberg, the Special Astrophysical Observatory in Russia, Byurakan Observatory in Armenia and Calar Alto Observatory in Spain. ...

TOWARDS SUPERSENSITIVE BOLOMETERS AND ELECTRON COOLERS BASED ON CARBON NANOTUBES M.TARASOV, J.SVENSSON, S.DITTMER, L.KUZMIN, AND E.CAMPBELL Chalmers University of Technology, GЖteborg SE 41294, Sweden E-mail: Mikhail.tarasov@mc2.chalmers.se Carbon nanotubes (CNT) are being intensively developed for novel electronics. Electron cooling by superconductor-insulator-nanotube (SIN) tunnel junctions could be extremely effective due to the small volume of the CNT. ...

... The SAS task especget has been designed to allow extraction of source+background and background spectra, redistribution matrices, and effective area vectors from an EPIC event list with a single command. especget can be launched from the main xmmselect window, in which case an extraction region size optimization algorithm is also ran, which maximizes the signal-to-noise of the net source spectrum. ... When you are happy with your definition, click the button 1D region in the xmmselect window. ...

... You can work in group sizes as large as 5. Each individual in that group could be assigned a particular question which would allow the group to complete the assignment in a more efficient manner. ... Off in the corner of the store was a small black box with a big sign that read . ... As the century turned, Africa began to emerge from a Dark Age stretching as far back as life on earth, into all the years that lay ahead - years of Renaissance, Enlightenment, Industry, and, if you will, Anxiety. ...

Astronomy Picture of the Day . ... Credit: The COMPTEL Collaboration , Compton Gamma Ray Observatory , NASA Explanation: Diffuse gas clouds laced with radioactive aluminum atoms (Al26) line the plane of our Milky Way Galaxy! ... Relying on the Compton Effect , the COMPTEL instrument onboard NASA's immense orbiting Compton Gamma Ray Observatory can "see" the 1.8 million electron Volt gamma rays emitted by the radioactive decay . ... NASA Web Site Statements, Warnings, and Disclaimers . ...

... July 24, 1996 . COMPTEL Explores The Radioactive Sky . Credit : The COMPTEL Collaboration , Compton Gamma Ray Observatory , NASA . Explanation: Diffuse gas clouds laced with radioactive aluminum atoms (Al26) line the plane of our Milky Way Galaxy! ... COMPTEL astronomers are exploring several origins for the radioactive clouds including nuclear processing (nucleosynthesis) by aging massive stars and supernova explosions . ... About APOD | ...