... Edge-on spiral galaxies with prominent dust lanes provide us with an excellent opportunity to study the distribution and properties of the dust within them. ... Aims: Within this first paper, we present the Herschel observations and perform a qualitative and quantitative analysis on them, and we derive some global properties of the far infrared and submillimetre emission. ... Modified black-body fits to the global fluxes, measured using aperture photometry, result in dust temperatures and dust...

Еще в разделе: (Показать все результаты (>21443) - www.stsci.edu/ )

• Calibration of COS Observations of Extended Targets in Cycle 24
• Limitations on the Calibration Accuracy for COS/FUV Observations of Extended
• A New Database of Observed Spectral Energy Distributions of Nearby Starburst

The Local Volume HI Survey (LVHIS) BЁrbel Koribalski a CSIRO Australia Telescope National Facility The `Local Volume' -- the sphere of radius 10 Mpc centered on the Local Group -- includes at least 500 known galaxies. ... To expand and deepen our knowledge of the nearby Universe several teams are currently targeting LV galaxies, among them the "Local Volume HI Survey" (LVHIS; Koribalski et al.), the "Faint Irregular Galaxies GMRT Survey" (FIGGS; Begum et al.) ... Koribalski et al. ...

Еще в разделе: (Показать все результаты (>28937) - www.atnf.csiro.au/ )

• Research - The high-velocity clouds of M31
• The Local Volume HI Survey (LVHIS)

... 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. ...

Еще в разделе: (Показать все результаты (>9934) - www.arcetri.astro.it/ )

• research field
• A Hubble diagram for Quasars
• Tracing Dust in Spiral Galaxies

... Paradoxically, signal detection is concerned with fitting models to supposedly random series similarly to mathematical proofs by reductio ad absurdum of the antithesis. ... The quality of the fit is evaluated using a function S of the series , , and . ... A random variable S is characterized by its probability distribution function. ... The special realization of a random series which consists of independent variables of common (gaussian) distribution is called (gaussian) white noise. ...

Еще в разделе: (Показать все результаты (>2993) - www.sao.ru/ )

• The statistical properties of HSS BCGs
• Group IAG

Next: Extinction efficiencies: general behaviour Up: Optical properties of cosmic Previous: Optical properties of cosmic . It is now evident that observed interstellar extinction cannot be explain using particles of only one kind. ... The intensity of radiation after passing a dust cloud is equal to . ... The interstellar extinction is . ... Next: Extinction efficiencies: general behaviour Up: Optical properties of cosmic Previous: Optical properties of cosmic root 2003-04-09 ...

Еще в разделе: (Показать все результаты (>387) - www.astro.spbu.ru/ )

• Linear polarization: wavelength dependence
• Polarization properties (transmitted radiation)
• Cometary dust bibliography (draft version)

... Observations of the Moon eclipse on 17.09.97 have shown the Moon details contrasts had decreased and the total radio brightness had fallen at all observed frequency range (from 10% at 1.38 sm down to 2.5% at 13 sm). The fall of the Moon radio brightness has been detected during the eclipse at decemeter waves for the first time. ... Radio emission of the Copernicus crater at 1.38 and 2.7 sm has been detected for the first time. ...

Еще в разделе: (Показать все результаты (>1131) - jet.sao.ru/ )

• Results scientific researchs LRS
• Spectral energy distribution
• GRB follow-up team

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 . ...

Еще в разделе: (Показать все результаты (>5585) - www.naic.edu/ )

• HISA Poster for the 197th Meeting of the AAS, January, 2001
• REU Science Area

... The SMS program is a critical endeavor to investigate whether the predictions of standard cold dark matter cosmology are consistent with the observed matter distribution in the Milky Way halo. It is the deepest, most extended search for optically elusive dwarf satellite galaxies and tidal streams to date, covering the entire Southern hemisphere. ... However only a few dwarf satellites have been found around the Milky Way to date - 22 dwarfs compared to 500-10,000 predicted by theory (Klypin et al. ...

Еще в разделе: (Показать все результаты (>846) - www.mso.anu.edu.au/ )

• Raquel Salmeron - Research Interests and Experience
• Emma Kirby - Science

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. ...

Еще в разделе: (Показать все результаты (>3000) - hea-www.harvard.edu/ )

• Comments on: chi-square distribution [Eqn] By: Alex By: vlk By: aneta By: aneta
• The AstroStat Slog Blog Archive chi-square distribution [Eqn]
• Conclusions

. Next: Spectrum Up: R CORONAE BOREALIS STARS Previous: HISTORICAL BACKGROUND . Figure: The light curve of RCoronae Borealis during a fading event in 1859 . RCB stars were first identified by their characteristic light curves. A part of the light curve of RCrB itself, taken from over a century of observations compiled by Ludendorff (1906) is shown in Figure 1 . Spectrum . Galactic distribution and absolute magnitudes . Numbers and distances . Simon Jeffery . 2002-01-25

Еще в разделе: (Показать все результаты (>3183) - star.arm.ac.uk/ )

• STELLAR PROPERTIES
• C.S. Jeffery, Research Astronomer
• Basic Properties

Here you can see an image of the central part of the Fornax Cluster taken from the Digital Sky Survey. ... We studied the globular cluster systems (GCSs) of 5 early type galaxies in the Fornax cluster: NGC 1374, NGC1379, NGC 1387, NGC 1427, and the central giant elliptical NGC 1399. ... See our papers ``The central region of the Fornax cluster - I. A catalog and photometric properties of galaxies in selected CCD fields'' and ``The central region of the Fornax cluster - II. ...

Еще в разделе: (Показать все результаты (>26475) - www.eso.org/ )

• Sample Properties
• Redshift Distribution
• Mario van den Ancker

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. ...

Еще в разделе: (Показать все результаты (>95) - ip.rsu.ru/ )

... Future seminars . P a s t seminars . Seminar council . ... Joerg Buechner (Max Planck Institute for Solar System Research) . ... Michael S. Briggs (The Center for Space Plasma and Aeronomic Research, Huntsville, USA) . Observations of Terrestrial Gamma-ray Flashes (TGFs) by the Fermi Gamma-ray Burst Monitor (GBM) " . ... A.P. Itin ( Institut f r Laser-Physik, Hamburg , Germany ; Zentrum f r Optische Quantentechnologien (ZOQ), Hamburg , Germany ; Space Research Institute (IKI), Moscow ) . ...

Еще в разделе: (Показать все результаты (>1834) - www.cosmos.ru/ )

• Main results of the experimental and theoretical research completed in 2009
• Main results of the experimental and theoretical research completed in 2010

... 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 ...

Еще в разделе: (Показать все результаты (>1366) - www.issp.ac.ru/ )

• Grants LSR ISSP RAS

... Using multifrequency radio data obtained with the GMRT, VLA and RT, we are defining a sample of young radio AGN in the Spitzer FLS field which are associated with midinfrared sources. ... GMRT Observations The Spitzer extragalactic First Look Survey (FLS) field was observed with the Giant Metrewave Radio Telescope (GMRT, Figure 1), Pune, India, at 610 MHz in March 2004. ... Figure 1: Three of the antennas in the inner square kilometre of the Giant Metrewave Radio Telescope (GMRT). ...

Еще в разделе: (Показать все результаты (>2840) - www.mrao.cam.ac.uk/ )

• Dave Green: research
• Small scale distribution in Molecular Clouds
• CO in NGC 1530, aperture synthesis of a barred spiral

... The nebular spectra of SNeIa can be used to determine the mass, density, and distribution of the SN ejecta, and the distance and reddening to the SN. Synthetic spectra can very rapidly be computed in NLTE and compared to the observed ones. Given the relatively large number of parameters, it is convenient to explore the parameter space in an automated form. The nebular spectrum synthesis code can be run in parallel on a workstation cluster. ...

Еще в разделе: (Показать все результаты (>1882) - www.adass.org/ )

• Synthetic Images of the Solar Corona from Octree Representation of 3-D Electron
• The Astrometric Properties of the NOAO Mosaic Imager
• Spatial Models and Spatial Statistics for Astronomical Data

... The sample of the Local Volume galaxies (distance smaller than 10 Mpc) gives a unique opportunity to study the properties of galaxies including the weakest objects: the absolute magnitude M B -10 and the virial mass M vir 10 9 M x263C;. ... Luminosity function of the Local Volume galaxies. ... The luminosity functions for galaxies are presented: red dashed line - from the 2dFGRS survey (Norberg et al. 2002); blue dash-dotted line - from the SDSS survey (Blanton et al. ...

Еще в разделе: (Показать все результаты (>356) - mavr.sao.ru/ )

• C/2010 S1 (LINEAR), C/2010 R1 (LINEAR)
• Measurement of the dark halo shape in polar ring galaxies
• Small telescopes short description

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. ...

Еще в разделе: (Показать все результаты (>6952) - xmm.vilspa.esa.es/ )

• Suppression of detector noise at low energies
• XMM-Newton Trainee Project 2004
• XMM-Newton OM Response Files Page

Next: Star Formation Rate and Up: No Title Previous: Calculation of Evolutionary Tracks . To start calculations, we choose the distributions of the initial binary parameters: the mass of the primary ZAMS component, , binary mass ratio, , orbital separation a . ... whereas the mass ratio distribution is not. ... The zero assumption often made is that the mass ratio distribution has a flat shape, that is binaries with a high mass ratio occur as frequently as those with equal masses. ...

Еще в разделе: (Показать все результаты (>612) - xray.sai.msu.ru/ )

• Introduction
• Evolution of the Double Neutron Star Merging Rate andthe Cosmological Origin of
• Spatial distribution of X-ray binaries at the Galactic center after the

Home . ... Observing . Exposure Time Calculator (ETC) . Survey processing . ... ESO - Public Surveys . near IR surveys . ... Exposure Time Calculator . ... Survey Area Definition Tool . Recommended values for Detector Integration Time (DIT) . ... Detector Properties . ... Filter properties . ... ESO ][ VISTA Home ] ...

Еще в разделе: (Показать все результаты (>28) - www.vista.ac.uk/ )