RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . Research results on fast active processes General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Radio telescope's beam Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases ... Distribution of the recorded spikes in duration . ...
Observational Stellar Astronomy . Articles | ... We are made of star stuff" . ... TEMPERATURE OF A STAR: . ... The temperature of a star can be found out easily by simple observations. ... STAR . ... SPECTRAL CLASS: . All the stars in this universe are divided in to spectral classes based on their spectral lines. ... The spectral class of a star and the temperature of a star are related. So the spectral class can be found for a star since we know its temperature. ... www.astronomy.net . ...
... We publish 16 Doppler imaging temperature maps for the years 1994-2002 of the active RS CVn star II Peg. ... Through Doppler imaging we want to study the spot evolution of the star and in particular compare this with previous results showing a cyclic spot behaviour and persistent active longitudes. ... The derived temperature maps are quite similar to the ones obtained earlier with a different methods, the main differences occurring in the spot latitudes and relative strength of the spot structures....
Get thermodynamics values for any combination of temperature, density and hydrogen mass fraction using MHD, OPAL or ISG equations of state. ... 3.0 < lg T < 7.5 . ... Hummer, D.G., Mihalas, D., 1988. Ap.J. 331 , 794-814. Mihalas, D., Dappen W. and Hummer, D.G., 1988. Ap.J., 331 , 815-825. Dappen, W., Mihalas, D., Hummer, D.G. and Mihalas, B.W., 1988. Ap.J., 332 , 261-270. ... Rogers, F.J., 1994. in IAU Colloq. ... Rogers, F.J., Swenson, F.J., Iglesias, C.A., 1996. ...
. Webcams . Networking . Weather . Power . System health . Measurements . Sky status at Sat Apr 9 22:28:00 2016 is Clear Sky status at Sat Apr 9 22:28:00 2016 is Clear . Copyright 2007 2013.
... GRIN lenses for telecommunication optics applications ? GTC (gradient telecom) lenses. ... GTC lenses are used in different fiber-optic devices: collimators, couplers, isolators and WDM etc . ... 2.Diameter . GTC lenses diameters are 1.0 mm, 1.8 mm, 3.0 mm and 4.0mm. ... 1.0 mm -3.0 mm diam GTC lenses are supplied in 0.22P, 0.23P, 0.25P, 0.27P and 0.29P length. 4.0 mm diam GTC lenses are supplied in 0.11P length. ... GTC . ... 3 scratches with 5mkm max width and 200mkm max length are allowed . ...
About V I spectral lines with overlay of Zeeman and hyperfine structure splitting in spectra of sunspot umbra S.G. Mozharovsky Ussuriysk Astrophysical Observatory of FEB RAS, Ussuriysk, Russia sw@newmail.ru Abstract. ... Overlay of components of the different types can allow obtain the parameters of the magnetic field by the ratio of the component intensities. ... The structure of Zeeman splitting which follows from the parameters of the line atomic levels can be seen in Figure 1. [pic] Figure 1. ...
Towards celestial sources above 1 THz with a heterodyne receiver based on a hot-electron bolometer mixer Sergey Ryabchun, Ivan Tretyakov, Matvey Finkel, Natalia Kaurova, Boris Voronov and Gregory Gol'tsman HOT-ELECTRON BOLOMETER (HEB) MIXER Scient ific and Educatio nal Radiophysics Center Mo scow State Pedago gical University Mo scow, Russia FIRST GROUND-BASED OBSERVATION WITH HEB MIXERS BEYOND 1 THz Submillimeter Telescope ...
Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The S un Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic ... Low mass stars live and die differently than high mass stars. ...
... R = 97% C8F 18 MO PA /4 P MO PA 160 В 350 ps; up to 0.5 J 90 В 500 ps; up to 0.5 J small SBS -mirror reflectivity small amplifier energy extraction thermal aberrations in Nd:YAG pulse compression up to 150ps energy stability StDev532nm 6.5% SBS -mirror reflectivity 97% Gaussian output beam profile phase-conjugated beam pulse compression up to 90ps energy stability StDev532nm 3% Example of SBS - pulse ...
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Ссылки http://www.ipa.nw.ru/conference/wpltn2012/docs/25/1540%20kulagin.pdf -- 722.8 Кб -- 01.10.2012 Похожие документы
In the regular experiments carried out with the RAS radio telescopes at Pushchino during 1999-2002, the study of the radial dependence of scattering of compact natural radio sources was extended to remote regions of the solar plasma environment. ... The stream in the transalfvenic region displays the same typical radial structure as observed in the transonic region, i.e., the existence of a "precursor" - a narrow band of reduced scattering preceding a wide region of enhanced scattering. ...
... The main field of my investigations is stellar spectrophotometry. As a result of scientific activity of our group spectrophotometric catalog was created including energy distribution data on 900 stars in the range 3200-7600AA and 250 stars in the range 6000-10800AA (Voloshina et al., Spectrophotometry of Bright Stars, ed. I.N.Glushneva, 1982, Moscow, Nauka, in Russian). ...
... part 1 | ... The Basic Stages in Earth's Pre-geological Development . ... After fragments of the Vortex sleeves separated, whirlwinds of second and third orders ("NC" - new micro-vortex) were generated- future planet cores and their satellites - all of them developing independently, governed by the common laws of development of cosmogenic vortexes. ... Our planet's core today is comprised of considerably deteriorated cosmogenic vortex; consequently, the Earth has a moderated magnetic field. ...
. Virtual Tour Virtual Tour Museum Memorial Super Market Stone City Entrance Fountain Projects Hot links METI Summer School View on our Town More about our Town Guest Book . About Our City . Berlin rus eng . London rus eng . Cairo rus eng . WDR Team Best Wiev IE5 800x600 Home | Temperature Jan-Feb-March 2002 | About Our City
... You must have the frames with a dark current and flat field for preliminary processing of the images. ... The flat field is necessary for the account of the variations in the sensitivity of pixels. ... 1) Open the frame with a flat field by . ... In the dialogue choose a frame with a dark current. There will be a subtraction of the dark frame from the flat field. ... 3) Apply the flat field by . Note If several files are open, a dark current and flat field will apply for all. ...
Astronomical Data Analysis Software and Systems VII ASP Conference Series, Vol. ... Analysis Tools for Nebular Emission Lines R. A. Shaw, M. D. De La Pe”na, R. M. Katsanis, and R. E. Williams Space Telescope Science Institute, Baltimore, MD 21218, Email: shaw@stsci.edu Abstract. The nebular analysis package in STSDAS has been sub stantially enhanced, and now includes several new ions and diagnostics, as well as updated atomic data for all supported ions. ... I line , and T e vs. I line . ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/reprints/shawr1.ps.gz -- 99.9 Кб -- 12.06.2006 Похожие документы
... General astronomy . ... PHYSICAL CONSTANTS.. ... Nobel Laureates in Physics 1901-2002 . ... Lectures Astronomy-161 "Solar System" (Also it contains info about History of Astronomy) . ... The History of Science . ... College-Level Astronomy Courses - at American, Australian Universities and Colleges . ... Messier: . ... Science . ... Scientific American . ... JOURNAL OF COMPUTATIONAL PHYSICS . ... Scientific Journals . ... American Physical Society Journals: Physical Review, Review of Modern Physics ...
. Longitude: . 63 o 39' E . Latitude: . 56 o 08' N . Temperature: . summer: about +20C [+15C...+35C] until +40C . winter: about -20C [-10C...-30C] until -45C . Population: . about 90.000 . Shadrinsk is small city in Kurgan region in West Siberia on a Iset river. It was founded in 1662 by Ivan Malechkin (Yushka Solovey). Go to WWW Shadrinsk server .
... The Organizing Committee will help the participants to book the accommodation in several 3-star hotels and students' hostels. The price varies starting from 25 euro per person per day (single room with shared wc/shower, university hostel). Accommodation in other hotels or under other conditions is to be organized by the participants on their own. ...