Scientific results of the work of Laboratory of Radio Spectroscopy : . In presented messages outlined the results of scientific researches conducted by the stuft of LRS. ... Interaction of the Supernova Remnant S 147 with the Ambient Interstellar Gas . ... The spatial power spectra of galactic neutral hydrogen at high galactic latitudes . Properties of the interstellar gas clouds . ... Scaling relations and intrinsic motions in the interstellar neutral hydrogen clouds . ...

The goal of this paper is to present the results of a preliminary analysis of the extended infrared (IR) emission by dust in the interstellar medium (ISM) of the Large Magellanic Cloud (LMC). We combine Spitzer Surveying the Agents of Galaxy Evolution (SAGE) and Infrared Astronomical Satellite (IRAS) data and correlate the infrared emission with gas tracers of H I, CO, and HЮБ. ... We construct maps of the temperature of large dust grains. ...

P. Frisch - Warm partially ionized interstellar gas at the Sun . ... W. M. Goss - Time variations in small-scale galactic HI structure toward 3C138 . S. Stanimirovic - Does tiny-scale atomic structure exist in the ISM? ... T. Bania - The distance to molecular clouds via HI self-absorption . ... C. Heiles - Arecibo Millennium Survey statistics of magnetic field, column density and turbulence in the CNM . R. Crutcher - Magnetic fields in molecular clouds . ...

... The sky distribution of the BCGs from the HSS sample is shown in Fig. 6 together with BCGs from the SBS and Case surveys (Izotov et al. [ 1993b ]; Pustilnik et al. ... First, we compare the apparent magnitude distributions of the three samples. ... The similar behaviour of the faint end of the apparent magnitude distributions infers that the Northern BCG sample may have a similar completeness down to this limiting magnitude. ...

Next: EVOLUTION MODELS Up: EXTREME HELIUM STARS: PULSATION Previous: EXTREME HELIUM STARS . The characteristic surface properties, effective temperature , surface gravity and composition , of EHes have been summarized by Jeffery (1996). ... Helium: ( ) By definition, helium dominates the atmospheric abundances. ... This is supported by a correlation between N and Fe abundances in EHes. ... Next: EVOLUTION MODELS Up: EXTREME HELIUM STARS: PULSATION Previous: EXTREME HELIUM STARS Simon Jeffery . ...

The efficiency of interaction of radiation with a particle and hence its optical properties depend on the particle chemical composition, size, shape, structure, etc. ... Particle size expressed in units of the wavelength of incident radiation, together with chemical composition, most strongly affects the optical properties of a scatterer. ... There are many methods to solve the light-scattering problem for a homogeneous spheroid (our survey of the light-scattering methods see here ). ...

Next: Redshift Distribution Up: Sample Identification Previous: Previously Identified Sources . ... In Figure 3, we plot the redshift distribution of DXRBS FSRQs opposite that of the 1 Jy and S4 samples. In Figure 4, we plot the redshift distribution of DXRBS BL Lacs opposite the Slew and 1 Jy samples. ... The apparent deficit of objects at the very highest luminosities is a result of the smaller area of sky covered by DXRBS compared to, e.g., the Slew and 1 Jy samples. ...

... Home The ATNF News What's On Observers Research Technology Outreach Resources Contact Search Internal . LVHIS Homepage . LVHIS Galaxies . ... Galactic l,b = 25.3, -18.4 . ... extended HI distribution, confused by Galactic emission . Original: B. Koribalski (10-Feb-2005) . Modified: B. Koribalski (10-Feb-2005) . Copyright CSIRO Australia 2004. CSIRO Media Release information , Legal Notice and Disclaimer , Privacy Statement . ...

Authors: Yu.G. Shevelev , V.A. Marsakov , . ... We have constructed and investigated properties of metallicity function of disk stars with different ages, proceeding from the statistically restored real altitude distributions of stars at the solar galactocentric distance. It is shown that the metallicity distribution of stars in each age range is not of Gaussian form, but it may be considered as a superposition of two normal distributions centered at -0.2 and 0.0 dex. ...

Emission Line -- Continuum Correlations in Low­Redshift Quasars Belinda Wilkes , Smita Mathur, Jonathan McDowell (SAO) and Ari Laor (Caltech) We investigate the relation between the observed optical emission line strengths, widths and ratios and the observed continuum properties for two samples of quasars: 43 Einstein observed quasars for which we have obtained IR--soft­X­ 1994). ... 1) Contrary to PG sample and Shastri et al. ...

Clusters of Galaxies and Large-Scale Structure ** . ... Kopylov, A. I.; Kopylova, F. G. Structure of galaxy groups and clusters measurment of their masses . ... Kopylova, F. G.; Kopylov, A. I. Pecular motions of galaxy clusters and groups in the Hercules and Leo supercluster regions . ... Kopylova, F. G.; Kopylov, A. I. Analysis of the properties of clusters of galaxies in the region of the Ursa Major supercluste . ... Kopylova, F. G.; Kopylov, A. I. The Ursa Major Supercluster of Galaxies: II. ...

In this paper we review our results on the properties and evolution of isolated neutron stars. We calculate space distributions of these objects for different assumptions about the kick velocity and show, that the distribution has a torus-like structure. We calculate the evolution of isolated neutron stars with and without magnetic field decay and give characteristic parameters for these cases with applications to ROSAT X-ray sources. ...

... The presence of small scale fluctuations of density (or of optical properties) in the spatial distribution of the dust would have important consequences for the modelling of molecular clouds because the UV light penetration and therefore the physical and chemical processes depend strongly on their structure (cf Boiss? ... We have developed methods to study in a direct way the amplitude of small scale variations of the extinction throughout translucent clouds ( mag). ...

... Abstract: We present Monte Carlo radiative transfer simulations for spiral galaxies modelled as a stellar disk and a two-phase clumpy dust distribution. ... As a general result, clumpy models are less opaque than the corresponding homogeneous models. ... 0.00 0.15 0.50 0.1 0.5 1.0 2.0 5.0 10.0 0.25 X . ... We have also produced several homogeneous models, to compare to the clumpy models. ... Homogeneous and clumpy models with the same tauV have the same dust mass. ...

XMM ­Newton CCF Release Note XMM ­ CCF ­REL­11 RGS CCD Properties C. Erd October 4, 2000 1 CCF components Name of CCF VALDATE List of Blocks changed CAL VERSION XSCS flag RGS1 ADUCONV 0004 2000 ­02­06T16:50:00 ADUCOEFF, OFFSET GAIN --- NO RGS2 ADUCONV 0005 2000 ­01­25T16:27:00 ADUCOEFF, OFFSET GAIN --- NO RGS1 CTI 0001 1998­01­ 01T00 :00:00 CTI , ... The CCD redistribution function is described with a phenomenological model [1, 3], whose parameters are stored in RGS REDIST. ...

... V.V.Shevchenko, Sternberg State Astronomical Institute, Moscow University, Universitetsky 13, Moscow 119899, Russia, shev@sai.msu.ru . ... 1.Sternberg State Astronomical Institute, 119899, Moscow, Russia. shev@sai.msu.ru . ... V.V.Shevchenko, Sternberg State Astronomical Institute, Moscow University, Moscow 119992, Russia, shev@sai.msu.ru . ... 119992 Moscow, Russia; . ... 2Sternberg Astronomical Institute, Moscow University, Moscow, 119992, Russia, . ... Moscow, 119992, Russia shev@sai.msu.ru . ...

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... Empirical and theoretical modeling of 3-D structures in the solar corona is confronted by the tremendous amount of data needed to represent phenomena with a large dynamic range both in size and magnitude, and with a rapid temporal evolution. Octree representation of the 3-D coronal electron distribution offers the right compromise between resolution and size, allowing computation of synthetic images of the solar corona. ... The time interval between images is one day. ...

... Grants, Programs, Contracts . ... Grant of the Russian Federal Property Fund: . 12-02-00537 'Specific features of formation of nanostructure at plastic deformation of amorphous alloys' (A.S. Aronin) . ... 09-02-00529-'Role of shear bands in formation nanocrystal structures at deformation of amorphous alloys' (A.S. Aronin) . ... Nanocrystal structure in alloys on the base of transitional metals: formation, atomic and magnetic structure, magnetic properties (A.S.Aronin) . ... LSR ISSP RAS . ...

... More than 300 surface reconstructions are already known for pure Si surface and Si surface with adsorbate. Study of their properties by the methods of surface physics reveal numerous interesting phenomena including various phase transitions accompanied by changes of Fermi-surface topology, development of the charge-density wave, etc . ... The charge-density wave (CDW) develops in materials with a chain-like crystal structure at temperatures below the Peierls transition temperature. ...