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 ...

... Big ellipse: the region of the photometric analysis Smaller ellipses: the adopted inner boundaries of the Main Body and the C component Small circles: diffuse background objects, manually selected and removed from the photometry Uncleaned CMDs [V-I, I] of I Zw 18, obtained using Aloisi et al. (left) and Izotov & Thuan (right) datasets. ... Where is the 'halo'? Blue compact dwarf galaxy SBS 1415+435 Hubble Space Telescope / Advanced Camera for Surveys NASA, ESA A. Aloisi (STScI, ESA) et al. ...

Sloan Digital Sky Survey Telescope Technical Note 19971102 . ... Because of the difficulty of visually detecting thin patches of clouds under dark conditions, an infrared (IR) scanner was constructed in 1993 to monitor nighttime cloud cover at Apache Point Observatory. ... The left diagram (Figure 1) shows the scanner coordinate system. ... The loci of points at 15њ intervals in scanner coordinates are plotted on an azimuth-altitude polar plot (Figure 3). ...

Stellarium 0.12.3 . ... FileљStructure . FileљList . ... core . modules . Skylight.hpp . ... 33 љ float color[3]; // 3 component color, can be RGB or CIE color system . ... 48 љ void setParams( float sunZenithAngle, float turbidity); . ... 109 љ float zenithLuminance; // Y color component of the CIE color at zenith (luminance) . 110 љ float zenithColorX; // x color component of the CIE color at zenith . 111 љ float zenithColorY; // y color component of the CIE color at zenith . ...

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... ESO . ... Survey Telescopes . ... Galaxies . ... Star Clusters . ... Stars@ESO . ... ESO Science Newsletter . ... ESO 3.6-metre telescope . ... MPG/ESO 2.2-metre telescope . ... ESO 1-metre Schmidt telescope . ... ESO Science Outreach Network . ... This is a schematic drawing of the various components of a double-barred galaxy. ... Unspecified : Galaxy : Type : Spiral . ...

... In brief: the frequency-dependent radiative transfer equation is solved for a dust under assumption of spherically-symmetric geometry for its distribution taking into account particle size distribution and quantum heating effects for the very small dust particles. ... Table: Model parameters for IRAS04296+3429. ... parameter . ... hot dust shell) . ... The best fit to the spectral energy distribution of IRAS04296 is shown by heavy solid line (see Table2 for details concerning parameters of the model...

... The polarimetry group at the Arcetri Observatory has been working for several years, mainly from the theoretical-interpretative side, on the polarization of the radiation emitted by objects of astrophysical interest. ... E. Landi Degl'Innocenti "The physics of polarization" in "Astrophysical Spectropolarimetry", J. Trujillo Bueno, F. Moreno Insertis, F. Sanchez (eds.), Cambridge University Press, 1. ... E. Landi Degl'Innocenti "The Zeeman effect: applications to solar physics" Astron. ...

Symbolic circuit-matrix processor and evaluator . ... This software is reliable over the range of benchmark circuit complexity (both *.CIR and *.MAT file). ... SYMBOL is a symbolic-algebra package which in contrast to REDUCE, MACSYMA, MAPLE, MATHEMATICA, MathLAB, MathCAD and other known multi-purpose systems is especially intended for analysis of any lumped, linear, time-invariant circuit. ... pure ASCII text . ... CIRSYM - SYMbolic CIRcuit processor used to format ASCII text file *.out for CALCSYM. ...

Isabel Leonor University of Oregon searched 25 S2 GRBs for coincident G-waves of duration ~1 ­ 10 ms used crosscorrelation method explored data conditioning in the frequency domain, included whitening and phase correction ­ luxury of limited on-source and off-source data to analyze injected signals to study sensitivity of pipeline used playground data with no GRB trigger data analysis code (standalone), injection and calibration scripts, written using Matlab ...

MULTISCOPES . ... HOME . ... ABOUT LOMO . ... Home Products Microscopes Multiscopes Trinocular Head HT-30 . ... The HT-30 Trinocular Head , with its superb field flattening ability, is designed to work with LOMO microscopes as well as with other brands equipped with a universal dovetail mount. ... The head incorporates a revolving Magnification Changer with three settings and a sliding Optical Path Selector (OPS) which controls the light distribution between the binocular and the photo/video channel. ...

... The Network Time Protocol (NTP) is used to synchronize the time of a computer client or server to another server or reference time source, such as a radio or satellite receiver or modem. ... Information on the NTP architecture, protocol and algorithms can be found in the Further Information and Bibliography page. The Building and Installing the Distribution page presents an overview of the procedures for compiling the distribution and installing it on a typical client or server. ...

TOOLS OF TEST GENERATION FOR SATELLITES CONTROL PROGRAMS Andrey Tyugashev, Ekaterina Myasnikova, Elena Sopchenko S.P. Korolyov Samara State Aerospace University (National Reseach University) The paper presents a research in the field of test automation for testing spacecraft control programs. ... Programmers or designers of spacecraft systems write tests manually. ... Tests are carried out by issuing the control actions on the spacecraft and condition monitoring systems parameters of the spacecraft. ...

This all-sky image shows the spatial distribution over the whole sky of the galactic haze at 30 and 44 GHz, extracted from the Planck observations. In addition to this component, other foreground components such as charged particles accelerated radially, known as synchrotron radiation, thermal dust, spinning dust, and extragalactic point sources contribute to the total emission detected by Planck at these frequencies. ... ESA/Planck Collaboration ...

PHOTOMETRIC SEARCH FOR BLACK HOLES IN DORMANT X-RAY TRANSIENTS ґ ґ Aleksander Sadowski1 , Janusz Ziolkowski2 , and Krzysztof Belczynski3 ё Astronomical Observatory of Warsaw University, Al. ... Such definition means that our statistics for the number of expected BH X-ray binaries include both transient and persistent systems. ... If this value is 2 M , then, according to our calculations, Galaxy contains some 15 000 to 40 000 of BH X-ray binaries (and some 30 000 to 250 000 of NS X-ray binaries). ...

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... Brief History of Rocket and Space Technology . ... ISS Russian Segment . ... Chronology of Extravehicular Activity . ... Sea Launch . ... Land Launch . ... ILV "dry roll-out" (installation on the launch pad and critical launch readiness checklist); . ... Making the Rocket Segment systems ready for the launch site activities; . ... Contribution of RSC Energia to the Russian Rocket-Space Technology ...

... 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. ...

... Dept. for Physics of Stars&Galaxies . ... Astronomical Calendar . ... History of MAO . ... БЂ“ 2013. ... Zakhozhay O. and Vorobyov E.I. The signatures of disk fragmentation in spectral energy distributions // Proceedings of the conference Hot Planets and Cool Stars, Garching, November 12-16, 2012. ... Zakhozhay O.V., Vorobyov E.I. Spectral energy distributions of fragmenting protostellar disks // Formation, detection, and characterization of extrasolar habitable planets Proceedings IAU Symposium No....

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . ... Listed Since October 22, 1998 . ... 203) 484-7705 . ... 203) 484-9016 . Web Site . ... Web . www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Credit Copyright: ESA / Rosetta /MPS for OSIRIS Team ; MPS /UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA Explanation: Why does this comet's nucleus have two components? The surprising discovery that Comet 67P/ChuryumovGerasimenko has a double nucleus came late last week as ESA 's robotic interplanetary spacecraft Rosetta continued its approach toward the ancient comet's core. ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ... Comet 67P from Spacecraft Rosetta . ...

System for high-accuracy determination of ephemeris and time corrections (SVOEVP) GLONASS A.Yu. ... 3 Purpose of SVOEVP The system for high- accuracy determination of GLONASS ephemeris and time corrections ( SVOEVP ) is intended for provision of high- accuracy solutions of user navigation and time determination problems: in real time by refining SVOEVP adaptive parameters of S/C GLONASS motion model and measurements model, by calculating SVOEVP calibration corrections for user ...