... In one situation, we can use light from quasars to probe the material between us and them because that light may pass through one or more galaxies or gas clouds on its way to us. The gas inside the galaxies or the intergalactic clouds acts then as a filter, absorbing selected wavelengths from the quasar light. ... Light from a quasar must pass through clouds of gas and even faint galaxies -- each leaving its imprint on the light -- before we receive it here on Earth. ... Gravitational lensing . ...

... Posts tagged ?systematic error? ... Thanks to L. Lyons? work discussed in [ArXiv] Particle Physics , I found this paper, titled Systematic Errors describing the concept and statistical inference related to systematic errors in the field of particle physics. ... Continue reading ?systematic errors? Tags: coverage , Heinrich , likelihood , Lyons , nuisance parameter , objective priors , p-value , particle physics , statistical error , subjective priors , systematic error . ... Comment . ...

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. ...

... Research objects and scientific purposes . Space scientific program includes development and launch of two supersmall spacecrafts "Universitetskiy" and "Kompas-2" intended for monitoring of radiation conditions near the Earth. ... All the studies conducted in the near-Earth space are characterised by strong radiation fields. ... The circular polar orbits, which cover all the near-Earth space, are the most favorable for comprehensive studies of the radiation conditions near the Earth. ...

... 1) The MS lower envelopes for groups of stars with different metallicities turn out to be coincident. ... 4) The conformation of the kinematics of stars within narrow ranges ob b-y with the ages derived from isohrones reveals that, at Z < Z , the isohrone ages seem to be increasingly overestimated with growing b-y . ... At a given metallicity, they have a much narrower MS and the locus of their MS lower envelope seems to be brighter for the metal-rich group of stars. ...

. The temperature of degenerating is the temperature below which there appear the quantum effects connected with the indenty of the particles. For bose-gas this temperature Td is equal to the one below which the condensation of Bose-Einstein occurs. Td = Ef/ k , where Ef - maximum energy of particles at T = 0 (fermy-energy), k - constant of Boltzman ( k = 1,3807*10^-23 Dg/K). Back .

. Figure 3. SOHO/EIT derotated 6-hour difference images of the 14 July 2000 event in four diverse-temperature lines 171, 195, 284, and 304 . For each line, the 13 UT heliogram is subjected to the suppression of the `snowstorm' produced by energetic particles, and only dimmings (i.e. structures of negative resulting intensity) are shown. Different appearance of the images is due to different exposure times.

SVS KRISTALLIZATOR PLASMA CRYSTAL . ... Discharge rate of generated plasma - 13.56 MHz . ... to record the generation process of plasma-dust structures ; . ... Phase 1a . Investigation of plasma-dust structures in gas-discharge plasma of a high-frequency capacitive discharge. ... Investigation of plasma-dust structures in plasma of glow discharge of direct current. ... Investigation of plasma-dust structures in space environment exposed to UV Sun radiation, plasma flows and ionizing radiation. ...

... As seen from the alpha particle testing, the spectrometry performance of the CPS32 is limited by peripheral hits and pixel-to-pixel variability, issues unrelated to radiation effects. ... First, it is important to note that, up to the 10 krad dose tested, the CPS32 remained entirely functional. The dominant total dose effect was an increase in the 25єC dark current of 0.58 nA/cm 2 /krad. ... Thus, for imaging, the dark current FPN is likely to be the main performance limitation. ...

11 august 2014/Monday: Arriving, Registration . ... The variation of solar flare coronal X-ray source spatial properties. ... Melnikov V.F., Charikov Yu.E., Kudriavtsev I.V. Directivity of X-ray and gamma-ray emission from different parts of flaring magnetic loops. ... E., Melnikov V.F. Angular characteristics of polarization degree of hard X-ray emission from different parts of flaring magnetic loops. ... The thick target model and analytical calculations of the hard X-ray emission from solar flares. ...

... Comarazamy, D. E., J. E. Gonzalez, C. A. Tepley, S. Raizada, and R. V. R. Pandya, Effects of atmospheric particle concentration on cloud microphysics over Arecibo, J. Geophys. Res. ... Friedman, J. S., C. A. Tepley, S. Raizada, Q. H. Zhou, J. Hedin, and R. Delgado, Potassium Doppler-resonance lidar for the study of the mesosphere and lower thermosphere at the Arecibo Observatory, J. Atmos. ... Raizada and Tepley (2003) . ... Res. , 112 , doi:10.1029/2005JD006938, 2007b. Sinha and Raizada (2000) . ...

... Sun as a Source of Perturbation of Near-Earth Medium and Solar System Bodies. ... Tidal Influence of the Sun on the Earth. ... Structure of Solar Atmosphere. ... Observing Manifestations of Solar Activity. ... Forecasting of Solar Activity. ... Influence of Solar Activity on the Structure and Dynamics of Terrestrial Atmosphere. ... Problem of Mechanism of Solar-Troposphere Connections. ... Phenomenons in Auroral Zones of the Earth as a Result of the Sun Influence on the Terrestrial Atmosphere. ...

Blackholes2 Forum Message . ... Time Particles - And The Lack There Of. ... There is no such thing as time. ... For example time travel isn't possible really. ... The whole idea that travelling faster than light will send you back in time is more than ridiculous. ... No such thing as time, no so such thing as time travel or time particals. ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

. This Directory contains Model of distribution of density, temperature and effective collision freguency of electrons. Yu.K.Chasovitin. 1998. This Directory contains The program RIM98 for calculating the parameters of the ionosphere to use the "Reference Ionospheric Model-98" (RIM-98).Yu.K.Chasovitin. 1998.

README FILE FOR OK.WAD -======================- by Scott Adams scotta@netcom.com This file contains 6 PWADS for DOOM that, unless I've missed a bug, are without bugs. Intentionally, they are very basic and short. They are intended for the beginning DEU user, and illustrate some techniques that can be used to achieve different effects without too much effort. ... There are, intentionally, no enemies, since they are quite easy to add and can get in the way sometimes. ...

... It is reasonable to expect that UV part of the irradiating spectrum is most influenced by the grain evolution (growth and sedimentation ) which marks the very initial stage of planet formation. 2 log J [erg s­1 cm­2] 1 0 -1 -2 -3 1000 BB 40 0 0 (A5 ) BB 20 0 00 (A5) Drai ne (A5 ) BP Ta u (A5) BB 40 0 0 (GS) BB 20 0 00 (GS) Drai ne (GS) BP Ta u (GS) Disk Model Density distribution is based on a 1+1D disk ... Green lines are used for a model with dust growth and sedimentation. ...

... Acceleration of particles in the vicinity of a massive black hole We propose a two-step mechanism for charged particle acceleration in the magnetosphere of a massive black hole surrounded by an accretion disk. Particles first gain energy by stochastic process during the accretion phase. It is shown that effective proton acceleration up to energies eV is possible in the turbulent magnetized accretion disk. ...

MODERN APPROACHES TO CALCULATION OF THE PROPERTIES OF MATERIALS FOR ENERGY STORAGE A. Kabanov Samara State University The modern technologies demands to compact and effective rechargeable systems of energy storage. ... In this work we investigated the activation energies of one promising compound ­ Li2CoPO4F using combination of two methods ­ ab-initio and geometrical calculations. ... The nudged elastic band (NEB) method is adopted to find the kinetic energy barrier along diffusion pathways. ...

... GCR and SCR are primary cosmic rays. 10-15 years after the discovery of cosmic radiation (1919) there emerged two main avenues of investigation in the physics of cosmic rays (CR): 1) nuclear - elucidation of the origin of elementary particles and nuclear interactions; and 2) astrophysical (space physics) - solution of the problem related to the origin and variations (changes in intensity) of CR. ... Besides, the CR flux in interplanetary space is, strictly speaking, not isotropic. ...

... Under conditions of the Earth gravitation we are using the method of semi-natural simulation of linear accelerations in the centrifuges with a mobile cab for simulation of G-loads, originating in a space flight. ... The major factor of the orbital flight, affecting a cosmonaut, is a weightlessness state, which causes essential changes in cardiovascular and vestibular systems operation. ... Under the Earth conditions you can "execute" a short-term space flight according to the following cyclogram: . ...