... Positions in 2000 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2001 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2002 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2003 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2004 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . ...
... Sampling is multiplication by a comb of delta functions: . ... Finite length sequence б convolution with sinc function. ... Leakage б sidelobes of window function may affect appearance of samples in the frequency domain. ... Circular convolution б sampling the function in the frequency domain б б periodicity in the time domain. ... Filtering of sampled data in frequency domain is convolution in the time domain over a periodic function. ...
Optical Observatories . ... National Optical Astronomy Observatories . ... Adam Mickiewicz University - Astronomical Observatory . ... Astronomical Institute and National Observatory of Athens . ... Jagiellonian University Astronomical Observatory - Scientific research here comprises radio and extragalactic astronomy, solar radio emission, active galactic nuclei, interstellar matter, galaxies, cosmology, variable stars and comets. ... National Radio Astronomy Observatory Home Page . ...
... This would make the routine less general but makes the accepted properties of ranges simpler. interface integrateRanges function integrateRangesScalar(x, y, xRange) result( approxIntegral ) real ( single ), intent (in) :: x(:), y(size(x)) type(RangeT), intent (in) :: xRange real ( single ) :: approxIntegral end function integrateRangesScalar function integrateRangesVector(x, y, xRanges ) result( ...
Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Phase range for plots: -0.5 to 1.0 0.0 to 2.0 0.0 to 1.0 . ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... Two period search methods are currently implemented. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . ...
... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Astronomy for Kids . ... Saturn moonт??s activity could be т??curtain eruptionsт?? ... Recent research suggests much of the eruption activity on the surface of Saturn's moon Enceladus could be in the form of broad, curtain-like eruptions, rather than discrete jets. ... Spacecraft data suggest Saturn moonт??s ocean may harbor hydrothermal activity . ... Only registered members of Astronomy.com are allowed to comment on this article...
... Quadtrees have a wide range of applications, from graphics to image processing to spatial information systems. ... With the advent of the Guide Star Catalog and other large astronomical source lists, an efficient method of storing and accessing such spatial data is necessary. ... We also discuss how the linear quadtree can aid in the correlation of source positions from different astronomical catalogs and how it can be applied to relational databases. ...
MESSIER 5 AND ITS VARIABLES `A noble mass, refreshing to the senses after searching for faint objects' Admiral Smyth The oldest known stars have survived chiefly in the rich and wonderfully symmetric formations called globular star clusters. ... 2] Charles Messier revealed the globular cluster on May 23, 1764. ... The globular cluster itself is magnificient and granular at 60x. Individual small stars are scattered around the edges, and one or two of them can exceed the others in brightness. ...
... Выбору оптимального формата хранения электронных книг было уделено много времени в ходе подготовки проекта. ... Удобство распечатки отдельных страниц . Возможность и удобства создания индекса . Удобство работы с частями книги . ... Неоднократно поднимался вопрос о переводе отсканированных книг в формат .pdf, и это предложение внимательно анализировалось. ... Трудно, если не невозможно наложить на книгу в формате .pdf собственный индекс, составив список важных и интересных страниц. ...
... Роман Евгеньевич Ильинский email : ilinsky_r@mail.ru . ... Ильинский Р. Е., Ровенская Т. С. Дифференциалы луча в оптической системе // Вестник МГТУ. ... 1998.- ... Roman Ilinsky , Gradient-index meniscus lens free of spherical aberration, Journal of Optics A: Pure and Applied Optics, volume2, number 5, pages 449-451, year 2000 . ... Ильинский Р. Е. Определение реальных габаритов пучков в градиентных оптических системах // Прикладная оптика -2000: Тез. докл. ... 2000.- ... ROMAN ILINSKY . ...
JSC History . ... The Archive database can be searched only to the folder level. ... The Archive database is the hard copy History Office archival guide pages. ... Note: the number of pages in the search results depends on how many records containing the search criteria are returned combined with the number of records per page requested in the 'Max Page" box (default is 100). ... Reset - removes all check marks made to the select boxes (to the left of the Record Number) on the search results page. ...
... Bad Astronomy . ... Site Info . ... Links . ... My research was part of a large project studying Hubble Space Telescope images of supernova SN1987A, a star that blew up in 1987. ... SUPERNOVAE . ... The LHEA X-Ray Astrophysics group has a nice page with good info on supernovae. ... Marcos Montes has an excellent supernova page, with lots of links to researchers. ... At Goddard Space Flight Center is another page with links and info about supernovae, as well as a nifty animation for the Java-enhanced...
Astronotes Armagh Planetarium's Stellar Blog! ... Apple have recently made it possible for you to БЂњgiftБЂќ one of their applications to someone as a present, and how amazing would it be for you astronomy loving friend to be able to use their ipod or ipad as a personal star chart to identify everything you see in the sky at any given time? ... If you love the idea of this for yourself, but are feeling the pinch with Christmas coming, there are also theб free apps Pocket Sky and Space Brains . ...
... Annual Meeting . Past Meetings . ... Registration . ... Should I stay in a hotel or the residence halls on campus? ... Unlike previous ASP meetings where we have used a university campus, in Boulder there is not a clear difference between hotels and residence halls based on price. ... You may want to stay in the residence halls if you want a shorter walk to the meeting rooms, if you don’t want to worry about finding a place for meals, and if you like the more social atmosphere of campus living. ...
... Design of Imaging Optics . Analyzing Optics . ... The high resolution near infrared camera (CONICA) for the first VLT unit telescope is under development. It serves as a multi-mode instrument for the wavelength region between 1.0 and 5.0 microns, providing diffraction-limited spatial resolution when combined with the adaptive optic system NAOS of the VLT (Rosset et al. ... VLT instrumentation, ALADDIN InSb detector, NIR imaging, NIR spectroscopy, re-imaging optics, IR optics . ...
April Draft 8, Version 2004 A Quick Start Guide To The Double Imaging Sp ectrograph (DIS) John C. Barentine Apache Point Observatory jcb@apo.nmsu.edu 1. ... We need to know several pieces of information from you: 1) Requested grating set 2) Wavelength centers of requested gratings 3) CCD binning or windowing April Draft 8, Version 2004 2 4) Slit choice 5) Any additional setup information (nonstandard slit and/or filter requests) Gratings are the cause of most confusion with novice DIS users. ...
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Ссылки http://www.apo.nmsu.edu/35m_operations/35m_manual/Instruments/DIS/OLD/dis/dis_quickstart.pdf -- 287.3 Кб -- 19.04.2004 Похожие документы
... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... The Board of Directors shall be the governing body of the Association. ... As soon as possible after the annual meeting of the Association (cf Article VII), and no later than May 31, the President shall convene a meeting of the Board of Directors, to which any new Directors-elect shall be specifically invited. ...
This form calculates which transits of the 1039 known transiting exoplanets are observable from a given location at a given time. Specify a time window, an observing location (either an observatory from the list or choose "Enter latitude/longitude" at the end of the list), and optionally any filters (e.g. minimum transit depth or elevation). The output includes transit time and elevation, and links to further information about each object, including finding charts and airmass plots. ...
MAIN PAGE . ... LINKS . ... AAL Members Sites . ... Amateur Astronomy . ... Mars Missions . Observatories Telescopes . ... astronomylinks.com. - astronomy and space links, shortcuts, favorites and bookmarks . ... Mel Bartels' Homepage about Amateur Telescope Making and a lot of interesting links (thx to Hugues Laroche for the link!) ... STEREO (Solar TErrestrial RElations Observatory) consists of two space-based observatories - one ahead of Earth in its orbit, the other trailing behind . ...