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21. Supernova Remnant (SNR) Catalogue or Catalog of Galactic SNRs
2014 May version . ... Green D. A., 2014 , Bulletin of the Astronomical Society of India, 42 , 47-58. ( .pdf , or arXiv.org:1409.0637 ) If you make use of the detailed version of the catalogue, then plaese also cite: . Green D. A., 2014, `A Catalogue of Galactic Supernova Remnants (2014 May version)' , Cavendish Laboratory, Cambridge, United Kingdom (available at "http://www.mrao.cam.ac.uk/surveys/snrs/" ). ... Copyright D. A. Green 2014. 25872nd access to this version of the catalogue. ...
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Ссылки http://www.mrao.cam.ac.uk/surveys/snrs/ -- 8.1 Кб -- 09.04.2016
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22. Attitude file structure
Calculation attitude parameters: . ... Axes position of the GSE system relative to the s/c coordinate system is determinated by 3 angles Alpha , Betha and Gamma . Alpha and Betha determinate coordinates of a new XGSE axis, while Gamma determinates YGSE or ZGSE. ... String in the attitude file look like this: . ... 980307 09 16 21 604 -665.00 233.00 264.00 . ... 980307 09 16 30 604 -669.00 336.00 113.00 . ... 980307 09 16 42 604 -672.00 359.00 -114.00 . ... Angles Alpha Beta Gamma (rad) . ...
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Ссылки http://www.iki.rssi.ru/ibelova/aztest0.htm -- 13.6 Кб -- 08.07.1999
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23. Transformations
... For spectra a transformation from wavelength to frequency is used to identify spectral regions which follow a power law. This transformation is given by . ... Whereas the transforms mentioned above only perform a non--linear rebinning of the data, the Fourier transform converts a spatial image into the frequency domain. ... As an example of using Fourier transforms to extract information from a frame, an azimuthal intensity profile of the spiral galaxy A0526--16 is shown in Figure . ...
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Ссылки http://www.sao.ru/precise/Midas_doc/doc/94NOV/vol2/node22.html -- 8.0 Кб -- 23.02.1996
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24. http://jet.sao.ru/~goray/v4641/v4641.htm
Taking into account the result by Watanabe P=2.5 days in outburst, I reconstruct old set of photographic observations being partly lost, and add some new observations. ... The periodogram calculated with the method by Lafler and Kinman is shown. ... The last periodogram indicates peaks corresponding following possible periods with the double-wave light curve: 0.4236, 0.4650, 0.5379, 0.6064, 0.7365, 0.871, 1.168, 1.5437, 2.8173, and 6.89 days. ...
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Ссылки http://jet.sao.ru/~goray/v4641/v4641.htm -- 2.3 Кб -- 22.07.2005
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25. http://www.atlasaerospace.net/eng/online.htm
... On-line Data . ... The program enables to find out the exact present Earth coordinates of the international space station and "Shuttle". ... J-Track - this program is similar to the previous one, however it knows how to display images and orbits of space vehicles. ... NASA SkyWatch - a program for those, who are fond of watching artificial space objects through the telescope, field - glass or with the unaided eye. ... Info: Industry news On-line Data Company ATLAS news Events We in press Contact . ...
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Ссылки http://www.atlasaerospace.net/eng/online.htm -- 31.9 Кб -- 09.04.2016
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26. Finding Your Way in the Milky Way | Astronotes
... Milky Way . ... Map of the Milky Way (based on data from NASA's Spitzer Space Telescope) showing its two major stellar arms and central bar. ... ТљIn written science fiction, one often encounters another navigational convention, where towards the Galactic Centre is described as т??Corewardт??, away from the Centre towards the rim of the Milky Way is т??Rimwardт??, objects in the direction of the Galaxyт??s rotation are т??Spinwardт??, while objects in the opposite direction are т??antispinwardт?? ...
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Ссылки http://www.armaghplanet.com/blog/finding-your-way-in-the-milky-way.html -- 47.4 Кб -- 09.04.2016
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27. Stellarium: Constellation Class Reference
... Classes . ... Constellation Class Reference . ... getEquinoxEquatorialPos (const StelCore *core) const . Get observer-centered equatorial coordinate at the current equinox The frame has it's Z axis at the planet's current rotation axis At time 2000-01-01 this frame is almost the same as J2000, but ONLY if the observer is on earth. ... getJ2000GalacticPos (const StelCore *core) const . ... Get observer-centered hour angle + declination (at current equinox) It is the geometric position, i.e. More.. ...
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Ссылки http://astro.uni-altai.ru/~aw/stellarium/api/classConstellation.html -- 24.8 Кб -- 28.02.2014
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28. POLIMODEL (V2.00) --- November00 --- POLIMODEL (V2.00)
polimodel -- Produce model linear polarization and position angle images . ... Whether to apply random errors to output polarization and position angle values. seed = "" [integer] . ... This task produces a model linear polarization image and corresponding position angle image from an input image assumed to represent intensity (Stokes I parameter). ... A threshold for the input image can be defined such that polarization and position angle are not computed for input values less than this threshold. ...
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Ссылки http://www.eso.org/~jwalsh/softpol/polimodel.help.html -- 6.1 Кб -- 02.11.2000
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29. Getting Started in Actor Prolog. 3D Web Site.
The first persistent Web agent that we have created on Actor Prolog is a program that collects information about research groups that develop Prolog and projects in the field of logic programming. The agent looks through a given list of Web sites and calculates some attributes of the sites: the date of recent modification, total size, the number of figures, the number of outside links, the number of error links, the number of given keywords, etc. ... http://www.cplire.ru/Lab144/space/prolog.html . ...
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Ссылки http://www.cplire.ru/Lab144/start/e_3d.html -- 11.3 Кб -- 24.09.2007
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30. ASP: Family ASTRO: Night Sky Adventure
The Night Sky Adventure Leader Kit is the first release in our series of family events and activities on topics in astronomy for Family ASTRO Event Leaders . ... Follow one or more of the links below for more information on the type of nighttime "adventure" you're looking for ( note that Frequently Asked Questions about Night Sky Adventure can also be found by clicking on these links ): . ... Night Sky Adventure . ... All Family ASTRO materials can be ordered online through the ASP's AstroShop. ...
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Ссылки http://www.astrosociety.org/edu/family/materials/nightsky.html -- 9.5 Кб -- 03.10.2012
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31. APOD: 2005 March 24 - Simeis 147: Supernova Remnant
... 2005 March 24 . Simeis 147: Supernova Remnant . ... Explanation: It's easy to get lost following the intricate filaments in this detailed image of faint supernova remnant Simeis 147. ... This supernova remnant has an apparent age of about 100,000 years - meaning light from the massive stellar explosion first reached Earth 100,000 years ago - but this expanding remnant is not the only aftermath . ... About APOD | ... NASA Web Site Statements, Warnings, and Disclaimers . ...
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Ссылки http://www.sai.msu.su/apod/ap050324.html -- 4.8 Кб -- 02.10.2012
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32. http://www.issp.ac.ru/iao/2015/booklet/b03_ia15_t_en_b.pdf
... Yesterday, on October 16, 2015, the upper culmination of the Sun at the venue of the Olympiad was at 11:29:43 local time. ... According to an ancient legend of Middle Volga there was a constellation called W hite Leopard ( Pardus Album) in the sky in the very past, in which the number of stars were exactly equal to the number of letters in the Greek alphabet, and the stars had magnitudes PaA +0.10m, PaA +0.20m, PaA +0.30m, PaA +0.40m, and so on with adding 0.10m till PaA. ... Spiral galaxy...
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Ссылки http://www.issp.ac.ru/iao/2015/booklet/b03_ia15_t_en_b.pdf -- 171.1 Кб -- 03.12.2015
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33. Database of Optical Properties -- Level: subpage
The following figures show the behaviour of the efficiency factors Q ext , Q sca , Q abs as well as albedo and asymmetry parameter g for porous particles. ... These optical characteristics are compared with results of Lorenz-Mie calculations for corresponding n -layered spheres. ... factors . Qext(x) . Qsca(x) . ... Qabs (x) . ... albedo (x) . ... Henning, Modelling the optical properties of composite and porous interstellar grains, Astronomy and Astrophysics , 429 , 371-381, 2005. ...
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Ссылки http://www.astro.spbu.ru/DOP/8-GLIB/op2/ -- 14.9 Кб -- 19.11.2010
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34. Spherical and Practical Astronomy
... Subject of Astronomy. ... Basis of Spherical and Practical Astronomy. ... Celestial Sphere. ... Changes of Star's Coordinates as a Result of Daily Rotation of Celestial Sphere. ... Time Measuring. ... Changes of Solar Equatorial Coordinates. ... Stellar Day, Stellar Time. ... Real Solar Time. ... Mean Solar Time. ... Connections between Stellar and Mean Time. ... Apparent Path and Configuration of Planets. ... Ways of Energy Transportation to Stellar Surface.Basis of Spectral Analysis. ... Solar...
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Ссылки http://space.univ.kiev.ua/courses/zag_astr_e.html -- 7.0 Кб -- 23.02.2005
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35. sozvezdiae
The sky inhabitants - the constellations. ... The constellations of Zodiac. The constellations of Zodiac are very popular. ... They were counted from the point of vernal equinox. ... As a result all the Zodiac row of constellations as if displaced in the two positions the count traditionally begings from the constellation where the point of a vernal equinox is. ... That is why the Sun comes to each Zodiac sign two - five weeks before the time when it comes to the constellation of the same name. ...
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Ссылки http://www.space.vsi.ru/sozvezdiae.htm -- 7.3 Кб -- 14.10.2000
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36. AstroCC - A Coordinate Converter for Astronomy
... AstroCC is a coordinate conversion utility for astronomy. It accepts an object designation or the coordinates of an object and calculates coordinates in alternative systems, and at different dates, times, and locations. It also provides lunar and bright planet coordinates to aid in planning observations. ... BJD values may also be retrieved from http://astroutils.astronomy.ohio-state.edu/time/utc2bjd.html which is based on Eastman et al. ... Coordinate data are obtained from SIMBAD. ...
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Ссылки http://www.astro.louisville.edu/software/astrocc/ -- 4.1 Кб -- 17.03.2016
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37. Supernova 1999an in IC 755
My colleagues and I have recently completed a series of observations of SN1999an. ... The telescope is located at Martin Observatory in Blacksburg, VA, and is operated by the Physics Department of Virginia Tech. Our IAU Minor Planet Center Observatory Code is 841. ... Attached you will find a copy of one of our images (in .jpg format) with the supernova indicated. ... Virginia Tech Department of Physics . Back to Bright Supernovae . Back to Supernova 1999an . ...
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Ссылки http://www.sai.msu.su/mirrors/isn/snimages/sn1999/sn99an2.html -- 2.7 Кб -- 22.12.2007
[ Сохраненная копия ] Ссылки http://www.rochesterastronomy.org/SNIMAGES/sn1999/sn99an2.html -- 2.7 Кб -- 19.04.2014
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[ Сохраненная копия ] Ссылки http://www.rochesterastronomy.org/SNIMAGES/sn1999/sn99an2.html -- 2.7 Кб -- 19.04.2014
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38. SAI OCL Catalog Description
... Description . Catalog . ... In the Catalog, we publish equatorial (ЮБ 2000 , ЮД 2000 ) and galactic (l,b) coordinates of cluster centers derived as the position of overdensity in 2MASS catalog (Koposov et al. ... Distances, color-excesses and ages are the mean-square values calculated using all available evaluations from different color-magnitude diagrams. ... There are individual pages for every cluster where all available plots and parameters are published. ... 2002). ...
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Ссылки http://ocl.sai.msu.ru/description/ -- 5.9 Кб -- 09.04.2016
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39. Absolute proper motions of open clusters
ABSOLUTE PROPER MOTIONS OF 331 OPEN CLUSTERS . ... The proper motions of stars in the fields of 331 open clusters were taken from Four-Million Star Catalog (4M-catalog) of positions and proper motions (Volchkov et al. ... The absolute proper motions for 21 young open clusters have been derived by comparison of precise relative proper motions of individual stars and their corresponding absolute proper motions. ... Sign of proper motions in RA . ... 0.0001 arcsec/yr . ... rms error in RA proper motion . ...
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Ссылки http://www.sai.msu.su/groups/cluster/cl/pm/ -- 9.0 Кб -- 25.07.2002
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40. Astronomy Terms - To Help You Study The Universe - an Astronomy Net Article
Astronomy Terms - To Help You Study The Universe . Articles | ... Learning about the universe, or the study of astronomy, can be fun for the individual or for the whole family. ... Learning a few simple terms will help you with this fascinating study. ... You will use a telescope or binoculars for your observation of the sky at night. ... Celestial Terms . ... Meteor or a shooting star – the light caused when a meteoroid burns up in Earth's . ... www.astronomy.net . About Astronomy Net | ...
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Ссылки http://www.astronomy.net/articles/33/ -- 16.8 Кб -- 09.04.2016
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