... The Chandra Ground Calibration Raytrace Database and Simulator provides simulations of tests performed on the Chandra X-Ray Observatory's High Resolution Mirror Assembly (HRMA). ... Prior to its July 23, 1999 launch, the Chandra X-Ray Observatory's High Resolution Mirror Assembly (HRMA) underwent extensive ground calibration (Weisskopf & O'Dell 1997) at Marshall Space Flight Center's X-Ray Calibration Facility (XRCF). ... When determining subsystem parameters the XRCF raytrace simulator, . ...

Next: Observational Zoo of Binaries Up: No Title Previous: Contents . In the early 1980s, our understanding of binary star evolution љ based on the pioneer work by Paczynski (1971)[ 150 ], Tutukov and Yungelson (1973)[ 195 ], van den Heuvel and Heise (1972)[ 201 ], allowed us to construct a general evolutionary scenario љ which successfully explained the genesis of well-studied normal stars and offered potential explanation for new X-ray sources discovered in space experiments. ...

Next: Appendix C: RMOH revision history . ... Appendix B: Map of the Document . ... RSOG Pre-Observation Products . ... Observation Summary File (OSF) . GRT (Ground Radio Telescope) Schedule Files . ... Data Processing Log (DPL) . Partial Correlator Input Log . ... JPL/DOTS Monitor Data File (MDF) . ... Ground Radio Telescope (GRT) Products . ... GRT Log File . ... Mission Element FTP sites . Mission Element FTP Directory Structures . ... Penticton Correlator FTP Directory Structure . ...

The study of energetic particles acceleration and transport within the magnetosphere and on its boundaries is the main goal of DOK-2 experiment on Auroral Probe in a frame of INTERBALL project. ... DOK-2 uses two pairs of energetic particle telescopes . ... This information is available only during the most informative Real Time mode of DOK-2. ... Full 56-57 channel spectra accumulated during time intervals from 10 s to 1464 s depending on a particle intensity. ... For this time interval: . ...

ENERGETIC PARTICLE EXPERIMENT DOK-2 . ... Due to much higher energy, angular and time resolution, better separation of electrons and ions it is expected that DOK-2 experiment will allow to re-examine in more details energetic particle population and related processes in magnetosphere regions covered by the spacecraft orbit. ... Thin foil in front of detector absorbes protons with energies E<400 keV so this detector measures electron spectrum in 20 - 420 keV range. ... Energy values, keV . ...

Proceedings of the Particle Physics and Early Universe Conference (PPEUC). ... TESRE, Consiglio Nazionale delle Ricerche, Via Gobetti 101, 40129 Bologna, Italy . Dip. Fisica, Universit? di Roma TRE, Roma, Italy . ... Observations will take advantage of the exceptional dryness and stability of the atmosphere on the high Antarctic Plateau, at Dome C. The first run of observations was performed in December 96 -- January 97 at the Italian-French site, Concordia, at Dome C (Antarctica). ...

Experiment COLD . ... JSEC Astronomy . ... The entire project was called "Experiment Cold". ... The best radiometer (in terms of fluctuation sensitivity) known to us, based on a parametric amplifier with a closed-cycle helium cooling system, was used in the experiment; measures were taken to "cool" the radio telescope itself; and a method of controlling the numerous sources of interference was carefully thought out. ...

Next: Method Up: Image Restorations of High Previous: Image Restorations of High . Astronomical images are commonly taken with the intent of making photometric measurements of objects in the field. For pre-COSTAR HST images, the question then arises: should these measurements be made on the original or on the restored image? When the objects of interest are stellar, we might intuitively expect that higher accuracy will be achieved using the restored image. ...

... High-pressures experiments are mostly aimed at studying phase transformations in solids, synthesising new phases and studying their composition, crystal and magnetic structure, physical and thermodynamical properties. ... The specific feature of investigations at LHPP that distinguishes it from most other high-pressure laboratories is combining in situ measurements with studies at ambient pressure of new high-pressure phases fixed by quenching to liquid nitrogen temperature. ...

... Secondary Baffle . ... The outside diameter of the tip of ring 5 (the secondary baffle tip) was 1285.7 mm with a range of 0.8 mm p-v. The specifications were 1284.6 and 7.6 mm respectively. ... The outside diameter of the base of ring 5 was 1273.4 mm with a range of 2.0 mm p-v. The specifications were 1272.1 and 8.1 mm respectively. ... The inside diameter of the tip of ring 19 (the primary baffle tip) was 857.7 mm with a range of 0.8 mm p-v. The specifications were 858.0 and 8.6 mm respectively. ...

These routines are meant to provide a high level mechanism to manage the construction of data. ... Create a management object for creating array data. construct_array_destroy_manager . Destroy a management object for creating array data. construct_array_select_algorithm . ... Construct an array. ... KConstructArrayManager construct_array_create_manager (KListWidget listw, void (*change_name) (), void *info) . ... void construct_array_create_data (KConstructArrayManager manager, CONST char *name) . ...

IACETH Institute for Atmospheric and Climate Science Road traffic emissions in ff Switzerland: Results from the Results Gubrist tunnel Institute for Atmospheric and Climate Science (IACETH), Swiss Federal Institute of Technology ZЭrich (ETHZ) UniversitДtstrasse 16 CH-8092 ZЭrich, Switzerland email: Johannes.Staehelin@env.ethz.ch Johannes Staehelin 1. ... Road traffic emission models and Road emission tunnel measurements 3. ... Measurements of the Gubrist tunnel Measurements of 5. ...

... Research . Projects . ... The name of the project APEX is a reduction from words " Active Plasma Experiments " . The core of the project are active experiments with injection of electron and (or) plasma beams from a board of the satellite with simultaneous registration of the phenomena, produced by interaction of injected beam with background plasma. ... Active experiments utilise modulated electron beam accelerator and source of modulated xenon plasma beam on the main spacecraft APEX. ...

... Credit: NEAR Project , NLR , JHUAPL , Goddard SVS , NASA Explanation: Orbiting the Sun between Mars and Earth , asteroid 433 Eros was visited by the robot spacecraft NEAR-Shoemaker in 2000 February. ... On 2001 February 12, the NEAR mission drew to a dramatic close as it was crash landed onto the asteroid's surface , surviving well enough to return an analysis of the composition of the surface regolith . ... Publications with keywords: Eros - NEAR-Shoemaker . ... NEAR at Eros: Before Touchdown . ...

... 2009 June 7 . Asteroid Eros Reconstructed . Credit: NEAR Project , NLR , JHUAPL , Goddard SVS , NASA . ... On 2001 February 12, the NEAR mission drew to a dramatic close as it was crash landed onto the asteroid's surface , surviving well enough to return an analysis of the composition of the surface regolith . In December of 2002, NASA made an unsuccessful attempt to communicate with the spacecraft after it spent 22 months resting on the asteroid's surface. ... About APOD | ...

... Measuring Objects in Free Fall: Atrium Experiments and Ball Drop Applet velocity and acceleration . ... Potential and Kinetic Energy: Classroom experiment breaking energy barriers with objects and Kinetic and Potential Energy Applets. Conservation of Energy . ... Conservation of Momentum: Classroom experiments and Momentum applets on elastic and inelasitc collisions. ... Planetary Dectection via Momentum Conservation: Planetary detector applet Universality of Newton's Laws; Angular Momentum . ...

... Imaging of the core of the OMC-1 region using NICMOS camera 2 through the F212N and F215N filters shows a wide variety of interesting structure on scales of 0.2" at a very high dynamic range (Stolovy et al. ... The application of image restoration techniques, including multi-channel variants of the Richardson-Lucy technique, offers the chance to enhance structure on the finest scales and also to suppress the prominent and richly structured point-spread functions of the many bright stars in the...

Dr. Phil Plait , aka "The Bad Astronomer" . ... Bad Astronomy site . ... His numerous appearances on radio, television, podcasts, and live in front of audiences have made him a celebrity in science circles, and put him in demand as an expert on astronomical matters. ... His website, Bad Astronomy , is a virtual encyclopedia of astronomical errors, and his blog is one of the most popular science blogs on the web, with thousands of fans eagerly reading it every day. ... Phil seemed tireless!" ...

... We computed the permanently shadowed areas and temperatures inside the craters for the variation of the position of the lunar pole of rotation with respect to the ecliptic pole with a period of 18.6 years. ... According to our results, the total permanently shadowed area in the polar craters of the Moon is equal to 50428.7 km2, or 0.13% of the total area of the lunar surface [3]. ... The area of permanently shaded part of a crater makes 59 % from all area of a crater [3]. ...

... For the experimental investigation IRE has installed several radiometers in Oberpfaffenhofen, Germany, having the same frequencies as the Priroda- IKAR radiometers (13, 22.2, 37 and 90 GHz), close to a 19 GHz dual polarisation radiometer and meteorological equipment of DLR (2 raingauges, a distrometer for measurements of the size of rain drops, and sensors for humidity, temperature and pressure). ... N, 17 deg. ... 1000 . ... Table 1: Specifications of ground based radiometers in Oberpfaffenhofen. ...