Next: General CCF Components Up: Calibration Access and Data Previous: List of CAL Routines Contents . This section contains descriptions of the structure of CCF constituents. ... The calibration team of the SOC is also providing additional CCF components where required in conjunction with data that were generated with SciSim. ... These CCF components are generated on a need basis and are identical in structure to the real life components. ... Generation from Ground Calibration Data . ...

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• RGS CCF Components
• CAL_getRGAObscure

... We analyze HST GHRS observations of the interstellar medium in the direction of two supergiant B stars, CMa and CMa, located 200 pc away in a region very deficient in neutral gas (N(HI) cm ). ... Many observations report that the Sun is embedded in a small interstellar cloud, with T=7000 K and n of the order of 0.1 cm , itself located in a region of low density (n 5 ) and high temperature (T K) called the Local Bubble. ... We have obtained spectra of both CMa and CMa with the HST GHRS. ...

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• Dust Attenuation in Late-Type Galaxies. I. Effects on Bulge and Disk Components
• CDBS Operations
• Dust/gas correlations from Herschel observations

... Pulsars offer a variety of observables for study of interstellar scattering. Observations of scattering of nearby pulsars and intra-day variable quasars point to the existence of a component of the interstellar medium (ISM) which has properties quite different from the more distant, diffuse ISM. ... The time series of electric field emitted by the pulsar is convolved with an impulse-response function due to scattering, when sampled at the observer plane [1]. ... Nearby interstellar scattering. ...

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• MEMORANDUM

... We have developed an integrated system that performs astronomical observations in Near Infrared bands operating two-dimensional instruments at the Italian National Infrared Facility's ARNICA and LONGSP . ... The user interface is organized as widget-based X11 client. ... 1993; Di Giacomo et al. 1993). ... Moreover, if the interprocess communication interface includes support for networking, the software immediately becomes network distributed software. ... DESQview/X User Guide 1993, Quarterdeck . ...

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• Calculating the Position and Velocity Components of HST
• ADASS 2003 Conference Proceedings
• StarView II: A Customizable Query Generation Tool

... W e study the SPS for each of regions in the Bridge, as a function of velocity and of velocity integrated width. ( v): There is considerable variation in the HI structure throughout the MB. W e probe the power spectra for four different regions in the Bridge (see Figure 1). ... W e find that the northern regions have a peak value of (v) which is ver y distinct from the sout her n regio ns. ( dv): The variation of the power spectrum index, as a function of velocity is shown in Figure 3. ...

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• http://www.naic.edu/vscience/schedule/tpfiles/NowakowskitagP1745tp.ps
• http://www.naic.edu/vscience/schedule/tpfiles/HankinstagP1977tp.ps
• http://www.naic.edu/~astro/talks/abstracts/deshpande.html

Next: Transparency of the Stochastic Up: Model of the Galaxy Previous: Frequency distribution of galactic . ... The parameters of the model resulted from a numerical fitting of various data, such as the observed distribution of the young star population and neutral hydrogen, the density of population II stars in the vicinity of the Sun, the galactic rotation curve and the dynamics and distribution of globular clusters   and dwarf irregular satellites of the Galaxy. ...

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• Initial Distributions of Binary Parameters
• Conclusions

The spectrophotometrical complex of the 6-m telescope in Nasmyth-1 focus . ... A new sample of 360 blue compact galaxies with a strong star formation was build on the base of the Second Byurakan Survey. ... More that 20 galaxies with the extremely low-abundances of heavy elements in the range of 1/30-1/10 of the Sun's one, were found. ... During the 15-years observation term near 500 spectra of the unique source SS~433, from which the relativistic jets were found for the first time, were obtained. ...

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• OOTY Lunar Occultation surveys: lists 6-10
• A 20 cm VLA survey of Abell clusters of galaxies
• A fast-scan extragalactic source survey at 4.755 GHz

... The HH flow associated with young stellar object HL Tau has an exciting history and even until now the origin of some its features is not clear yet. ... Knotty structures of Herbig-Haro jets are common phenomena and knowing the origin of such structures is essential for understanding the processes of jet formation. ... In the flow detected compact knots with high (-150 km/s) and bow shape structures in front of those, with low radial velocities (-50 km/s). ...

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• RCJ0311+0507
• Solar system sector, archive 1997
• New data on the cpmplex field structure of chemically peculiar stars

... Laboratory for Spectroscopy of Molecular Structures . ... Optics and spectroscopy of molecular and liquid crystals, fullerenes, superthin molecular films. Optical studies of structure, phase transitions, pretransitional phenomena, structural modifications in external field and under high pressure. ... Methods developed in the laboratory enable to determine in free standing films of different types liquid crystals values of polarization, two-dimensional constants of orientational elasticity. ...

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• Equipment LSR ISSP RAS
• Laboratory of spectroscopy of defect structures ISSP RAS
• LPCBC: Abstract 2_11

Understanding the early phases of assembly and formation of galaxies is a challenge. ... The IAU symposium 317 at the XXIX IAU GA in 2015 will take place at the verge of a revolution that is brought about by the availability of unprecedent new data, provided by the Gaia satellite, space telescopes (HST, Spitzer) and by a number of large ground-based spectroscopic and photometric surveys of the Milky Way, M31 and external galaxies. ...

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• AdelePlunkettAstro
• ESO - Thesis Topic: Properties of kinematically decoupled structures in
• ESO - Spiral Structure in the Milky Way: Confronting observations and theory

... Multi-frequency synthesis Characteristics of the dirty beam Linear deconvolution Constraints CLEAN Maximum entropy Restoration Multi-frequency deconvolution 2 Filling the Fourier plane Use many antennas (6 antennas or more) Use Earth rotation (12 h observations) Physically move antennas observing time number ... A good non-linear deconvolution algorithm is one that picks plausible invisible distributions to fill in the Fourier plane. ... Generally it is quite a robust algorithm. ...

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• Data Structure
• ATNF Daily Astronomy Picture
• ATNF Colloquium

Databases (NSDC) of the Natural Planetary Satellites. ... NSDC: Database of astrometric observations of Natural Planetary Satellites . ... They are thoroughly looking for observations in different sources, creating their owndatabases which are then mostly inaccessible to other researchers. ... In the file "content" with explications, the reference is given to the data source as well as the bibliographic reference. ... Data sources. ... Why a specific bibliographic database for Natural satellites? ...

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... There are result from two global VLBI observations at 3.6 cm spaced about 2 years. ... The analysis of the apparent motion, indication of the jet flow trajectory and the other implications for the CSS quasars are discussed. ... The quasar 3C380 ( ; thus 1 arcsec corresponds to 4 kpc for , ) is one of the most powerful radio sources (its radio luminosity at 2.7 GHz is ) ( Wilkinson et al. ... 3C380 is a member of the class of Compact Steep Spectrum (CSS) sources. ...

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• PPEUC Programme - Cosmic Microwave Background Workshop
• G111.7-2.1
• 1803+78: A Helical Core Jet

... Moscow, Russia E-mail: krivosheev@iki.rssi.ru Notes: · · The Monte Carlo method (s) is also called the statistical test method An innumerable number of processes can be listed the outcome of which is not determined and has probabilistic nature, but these processes obey statistical laws, so to obtain the result we have to make multiple similar tests, i.e. to use the MC method Because probabilistic processes are widely spread in nature, the MC ...

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• Main results of the experimental and theoretical research completed in 2009
• MAGION-4 Spacecraft (C2-X)
• ASCII files description

Restored velocity field of NGC 157 in the reference frame rotating with the pattern speed overlaid on the H_alpha image of the galaxy. ... The line-of-sight velocity fields of gaseous clouds in galactic disks of NGC 157 were analyzed by the method of reconstruction of 3D vector velocity field --- three components of velocities. ... This figure is produced with the help of software VORTEX developed in the Institute of Astronomy of the Russian Academy of Sciences. ... Back to Project Vortex. ...

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• Bispectrum speckle interferometry and future long-baseline interferometry of
• Work Scan Program + Data Viewer (IDL widget)
• Fabry-Perot Interferometer: Gallery Old

Next: The Chemical Evolution of Up: Stellar Astrophysics Previous: Stellar Astrophysics . Simon Jeffery has used a novel camera attached to the William Herschel Telescope (WHT) to obtain the best light curves ever obtained for pulsating subdwarf B stars. These stars pulsate non-radially in several modes with different frequencies and enable astronomers to establish their overall properties and internal structure with unusual precision. ...

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• Doppler Imaging and Flare Activity on HR1099
• Armagh Observatory
• Explosive Events

The above image is a computer simulation of the distribution of mass in a Dark Matter dominated Universe. ... Structure (\eg density enhancements) clearly forms at the intersection of these filaments. ... What is Dark Matter? ... Testing for the presence of dark matter in the solar neighborhood now becomes an accounting problem The possible sources of this mass in the solar neighborhood are 1) luminous stars, 2) interstellar gas, 3) stellar remnants (mostly white dwarfs) and 4) dark matter: . ...

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• Astronomy HyperText Book: Stellar Evolution
• Physics 410/510 Observational Cosmology

... The axial support is provided by 78 air pistons. ... The transverse support is provided by 38 air pistons, supported by cantilevers from the mirror cell, that act on the mirror local center of gravity surface. ... The locations where the transverse mirror support forces should be applied to the mirror are listed in Table 1 and illustrated in Figure 1. ... Figure 1: CAD drawing showing the 2.5-m primary mirror and the locations of the transverse support posts (black) and axial pneumatic pistons (blue...

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• TUI:Telescope:Offset Types
• Appendix A

... the radiative transfer equation (RTE) for the randomly-irregular magnetized plasma has been derived on the base of general grounds of the multiple scattering theory . ... Solutions of several absolute tasks of the scattering theory have been obtained (on the optical depth of the ionospheric plasma layer, on the value of radio wave anomalous attenuation, on anomalous refraction, on the backscattered signal intensity for the source being placed within a plasma layer). ...

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• Vertical Structure, figures
• Vladimir Marsakov Abstracts
• Vladimir Marsakov Publication List

... Radio-band image showing a linear jet structure X-ray Image with a hint of a jet Many empty pixels with 0 counts Statistical Model · · photon counts distributed on a grid of pixels Two Poisson processes to represent: ­ known aspects of the image - baseline component · background, point sources, diffuse structures ­ Unknown image features - added component · Diffuse emission, extension, a ...

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• Vertical Structure of the Secondary: Hydrostatic Model
• The AstroStat Slog Blog Archive [ArXiv] component separation methods
• Comments on: [ArXiv] component separation methods By: hlee By: Sam Leach