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1. Database of Optical Constants -- Level: welcome
The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...
[ Сохраненная копия ]  Ссылки http://www.astro.spbu.ru/JPDOC/ -- 10.8 Кб -- 19.11.2010
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2. Taurid Complex
Orbital intersection . ... Structure of Taurid stream . ... Meteoroid swarm and Taurid fireballs . ... The following four diagrams schematically show four different Taurid orbits and the orbits of Earth and Jupiter. ... The Taurid stream contains particles (small, solid grains) at different stages of their precession cycles. ... The study of when a meteor stream can produce a meteor shower is the study of when precession brings orbits to intersection with Earth, or e.g. with Mars . ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/~aac/zetataur.html -- 8.7 Кб -- 19.10.2007
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3. Order Definition
... The first of the equations defines the position of the spectral orders, m , in the raw image, while the second equation gives, for each order, the dispersion relation in one dimension. ... where the coefficients are computed using least squares techniques on a grid , i.e. sample number and line number of points located within the spectral orders of the image. These points in the grid are found automatically by an order--following algorithm, normally using the FLAT or STD image. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/precise/Midas_doc/doc/94NOV/vol2/node162.html -- 8.3 Кб -- 23.02.1996
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4. Sensors
ERS -1,2 SAR . ... SIR-C/X SAR . ... European Remote Sensing Satellite (ERS-1) was launched on 17 July 1991, and the follow mission ERS-2 (with the same sensors and an Ozone monitoring instrument added) was launched on 21 April 1995. ... The Spaceborne Imaging Radar-C/X-band Synthetic Radar (SIR-C/X-SAR), carried in the cargo bay of the Space Shuttle Endeavour in April and October of 1994, simultaneously recorded SAR data at three wavelengths (L-, C-, and X-bands; 23.5, 5.8, and 3.1 cm, respectively). ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/asp/database/sensors.html -- 9.2 Кб -- 11.01.2007
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5. The Arcetri Spectral Code files
The following files list line and continuum emissivities from the Arcetri Spectral Code. ... Ne = 10^8 g-zipped file (phot cm^3 s^-1); Ne = 10^8 g-zipped file (erg cm^3 s-1) . ... File format (html): File format for the continuum files . ... File format (html): File format for binned line emission files The following files list transitions whose emissivities have values greater than a fixed amount (10^-19 phot s^-1 cm^+3 and 10^-30 erg s^-1 cm^+3 respectively): . ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/science/spettro/old/file_spettro -- 6.1 Кб -- 12.07.2000
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6. RESEARCH PROBLEMS of the LRS
... The main research task of the LRS was an investigation of interstellar medium of our Galaxy using its line emission in radio domain with the help of the gratest RATAN-600 Radio Telescope. ... The complex investigation of the Interstellar Clouds structure on the different scales and with the different radio lines for understanding of structure, dynamics and evolution of interstar gas and its interaction with other galactic constituents and the conditions for star formation. ...
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/lrs/lrssao1.html -- 6.0 Кб -- 09.04.2016
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/lrs/lrssao1.html -- 6.0 Кб -- 09.04.2016
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/lrs/lrssao1.html -- 6.0 Кб -- 09.04.2016
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7. Magnetic fields, subatomic particles, etc., traveling in different directions
... Magnetic fields, subatomic particles, etc., traveling in different directions fill the universe. Do they deflect or otherwise affect one another? If so, isnт??t the information we get from them distorted? ... Neutrino astronomy, which is still in its infancy, is attractive because neutrinos interact so weakly with matter that few of these distorting effects occur. Get instant access to subscriber content on Astronomy.com! ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.com/magazine/ask-astro/2011/03/when-particles-collide -- 63.4 Кб -- 10.04.2016
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8. ASP: Using Multicultural Dimensions to Teach Astronomy
... Information about a variety of different calendars for different cultures (e.g., Christian, Jewish, Muslim, Chinese, Hindu etc.) ... In addition, the Chinese had two different ways of interpreting and observing celestial events. One way the Chinese used astronomy was known as lifa; it was a discipline that aimed to understand the regularities and the predictable events in the celestial system through careful, observations, measurements and records. ... back to Teachers' Newsletter Main Page ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/53/multicultural4.html -- 10.1 Кб -- 02.10.2012
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9. ESO - ESO sky correction tools
... Publications with ESO Data . ... The tools have been developed for ESO by a team of astronomers at the Institute for Astro- and Particle Physics at the University of Innsbruck, as part of an in-kind contribution to ESO , which includes as well a model of the sky emission and transmission spectrum at Cerro Paranal. ... Skycorr provides an advanced instrument-independent sky-correction tool that removes sky emission in science spectra by means of sky spectra taken at a different time and sky location....
[ Сохраненная копия ]  Ссылки http://www.eso.org/sci/software/pipelines/skytools/ -- 29.4 Кб -- 12.04.2016
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10. The Document Resources of Purple Mountain Observatory Library
Next: Publication Costs of Astronomical Research . ... Purple Mountain Observatory, Academia Sinica, Nanjing 210008, China, e-mail: library@nanjing.jspta.chinamail.sprint.com . This article includes a general overview of the Purple Mountain Observatory (PMO) followed by a description of the document resources held in the Observatory Library. ... The predecessor of the Observatory was the National Research Institute of Astronomy in the former Academia Sinica and its observing site, the PMO. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/stsci/meetings/lisa3/jianz.html -- 8.8 Кб -- 16.09.1998
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11. The AstroStat Slog Blog Archive different views
... Archives . ... If you do not mind the time predictor, it is hard to believe that this is a light curve, time dependent data. ... It?s hard to say this data set is designed for time series analysis apart from the complication in statistical inference due to measurement errors. How to design the statistical study with measurement errors, huge gaps in time, and unequal time intervals is complex and unexplored. ... The following is R output without measurement errors. ... Chandra Blog . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2009/filters-are-differen/index.html -- 23.8 Кб -- 01.03.2014
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12. APOD: October 21, 1999 - Follow The Spots
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. October 21, 1999 . Follow The Spots . Credit: Louis Strous ( LMSAL ), SOHO - MDI Consortium, ESA , NASA . ... Just follow the sunspots . ... It shows the Sun's visible surface for most days of August 1999 so that the same sunspots appear many times as the solar rotation carries them across the face of the Sun . ... About APOD > . ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap991021.html -- 4.5 Кб -- 02.10.2012
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13. TUI:Telescope:Offset Types
TUI supports the following offsets: . Object Arc offset by a given amount on the sky (i.e. along the arc of a great circle). ... Arc offsets are useful for moving a different portion of your object or a different nearby object onto the boresight . ... Object Arc XY this is identical to an Object offset except that it has been rotated to align along the instrument x-y axes. ... This is just like the Calibration XY offset, except that it is typically cleared when you slew to a new object. ...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/35m_operations/TUI/Telescope/OffsetTypes.html -- 6.3 Кб -- 05.09.2014
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14. The contour method of calculating source region shape
... Meta Index / Home Page / Description / Specifying source region shapes . When radiusstyle =`contour', the task calculates the source region shape as an elliptical locus which approximates the contour of the PSF at a given flux value. ... Clearly, in order to calculate the shape of such a flux contour, it is necessary firstly to normalize the PSF to the source brightness and secondly to determine the flux level (in `brightness' units per pixel) at which to find the contour. ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/sas/7.0.0/doc/region/node8.html -- 9.1 Кб -- 28.06.2006
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15. Trapped Radiation -- History
... Trapped Motion . ... The trapping of particles by magnetic fields was first studied by Kristian Birkeland in Norway, starting around 1895. ... Perhaps the most interesting story of that era concerns Nicholas Christofilos , a Greek elevator engineer whose avocation was the study of particle motion in magnetic fields. ... Atomic bombs produce large numbers of energetic electrons, and Christofilos hoped that such electrons would become trapped in the magnetic field as an artificial radiation belt. ...
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/Education/whtrap1.html -- 13.2 Кб -- 24.03.2006
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16. Recreating Einstein Level One Processing Exposure Masks and Background Maps in
... This paper describes the main algorithms used by the Einstein Level One processing to create the exposure masks and the background maps for Einstein IPC images, and how these algorithms were recreated in the IRAF environment. Our goal was to recreate the algorithms used by the Level One Processing to create exposure masks and background maps for Einstein Image Proportional Counter (IPC) data (cf. sections 2.5 and 2.7 of Harnden et al. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass94/vanstoned.html -- 11.6 Кб -- 03.11.2000
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17. Laboratory for Spectroscopy of Molecular Structures
... 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. ...
[ Сохраненная копия ]  Ссылки http://www.issp.ac.ru/lsms/indexen.html -- 9.6 Кб -- 03.12.2012
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18. Data bases of Natural Satellites. Documentation. Structure
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? ...
[ Сохраненная копия ]  Ссылки http://lnfm1.sai.msu.ru/neb/nss/DocStructe.htm -- 11.4 Кб -- 18.05.2009
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19. Fabry-Perot Images of Spiral Galaxies
The first series of images refers to NGC 1672, a barred spiral. We present a gray scale V-band image to show the overall morphology, followed by an intensity map in H-alpha which shows how the H II regions are distributed, followed by the velocity map. ... Different colors refer to different velocities as the galaxy is rotating. ... The following image is an H-alpha intensity map of the spiral galaxy NGC 1292. ... This next image is an H-alpha intensity map of the spiral galaxy NGC 1406. ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/fp2.html -- 3.8 Кб -- 23.12.1996
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20. Time Particles - And The Lack There Of. - an Astronomy Net Blackholes2 Forum
Blackholes2 Forum Message . ... Time Particles - And The Lack There Of. ... There is no such thing as time. ... For example time travel isn't possible really. ... The whole idea that travelling faster than light will send you back in time is more than ridiculous. ... No such thing as time, no so such thing as time travel or time particals. ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.net/forums/blackholes2/messages/4992.shtml -- 14.7 Кб -- 09.04.2016
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