... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...

... GDK objects have either reference counting or destruction, but not both. Pixmaps, fonts, graphics contexts, and colormaps are purely reference counted. ( gdk_gc_destroy() exists but is deprecated --- it's just a wrapper for gdk_gc_unref() .) ... GdkWindow is the strange case; it's reference counted, but gdk_window_destroy() must be called at some point. The reference counting applies to the client-side GdkWindow handle; gdk_window_destroy() applies to the actual server-side object. ...

... The Arecibo RFI Environment: . ... This page shows the present environment for RFI at Arecibo. the web page is: http://www.naic.edu/%7Etghosh/smarg/smarg-vig1.html . The Northern VLA Sky Survey (NVSS) : . ... The NASA/IPAC Extragalactic Data Base (NED): . This is built around a master list of extragalactic objects for which cross-identifications of names have been established, accurate positions and redshifts entered to the extent possible, and some basic data collected. ...

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... History . Brief History of Rocket and Space Technology . ... Flights Chronology . ... Project History . ISS Russian Segment . ... Test of information support procedure by the ISS Russian Segment crews in full-scale conditions for scientific-searching and fishing operations performed by State Fishery Committee ships in the World ocean waters. ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

home education > resources . ... Astronomy Education Bibliography . ... Black Holes: An Introductory Resource List . ... Space Science Education Resource Directory . ... Many general books and articles on astronomy include brief coverage of black holes these days. The list below is a selection of non-technical resources that you may find useful if you want to begin exploring the world of black holes in more detail. ... Some Science Fiction Stories with Good Science about Black Holes . ...

The Astronomy Net . Articles | ... Forums . ... Planets | ... The list below is a live snapshot of where the planets and moon are located right now. ... The links in the left hand column take you to a mirror of the excellent NinePlanets web site where you can read about each planet and much much more. The latest news includes the fact that Pluto is no longer classified as a planet. ... Pluto is now classified as a 'dwarf planet' which includes Ceres and soon to be many others. ... 100 . ...

M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

... Duchamp | ... Top | Duchamp is a solution to this problem of three-dimensional source finding. ... A list of the detections and their properties, as well as the input parameters that were used. [text file] . ... It can be downloaded in source format, in a gzipped tar archive. ... Changes from the previous version can be seen here (this file is included in the tar archive), while the archive files and documentation from the previous release versions are here , if you are really interested. ...

The objective of this course is to help you to understand some fundamental basic concepts behind the Java technology. The audience is assumed to have little or no prior exposure to Java and Object-Oriented programming. ... The topics will help you to understand how to use Java to create, access, and support Java applications and applets. ... Introduce object-oriented programming concepts and how they apply to Java programming. ... Extending A Class (Inheritance) . ... Hello World Applet . ...

OptInt PmWiki . MROI Delay Line SW / . Edit Page | Page History | Attach | ... MROI Delay Line Design Contract . ... Document Management . ... Design Documentation . ... Released FDR Documents . ... MROI DL Production SW Contract . ... Preliminary Design Review . ... MROI Fast Tip-Tilt Contract . ... Design Documents . ... MROI . ... MROI FTT Contract Private Material . Contract Documents . ... MROI DL Design Contract Private Material . ... Local resources . ... Old Resources . ...

... Any object with either a raw count-rate 70 or flagged as having a mod-8 pattern is checked to see if it might have diffraction spikes. ... Count the number of objects along position angles of 45 and 135 degrees from the centre of the star that lie within a radius of 10 and 120 pixels from the centre and a distance of no more than 5 pixels from the radius line. ... If the number of star along the spikes (n1) is > 3 * n2 then conclude that there are diffraction spikes and flag sources along the spikes...

... LABORATORY OF RADIO ASTRONOMICAL OBSERVATIONS . Radio sources identification is one of the most important tasks of the current radio astrophysics. ... Optical idetification. ... Optical identifications of subsample of steep spectra radio sources from RC catalog using 6m SAO telescope of SAO RAS: optical observations. ... Astronomy Reports. ... Identification of radio sources with data of various radio catalogs allows one to construct continual spectrum of the object and its radio structure. ...

... Posts tagged ?source detection? ... wavdetect is a wavelet-based source detection algorithm that is in wide use in X-ray data analysis, in particular to find sources in Chandra images. ... In Spring 2006, SAMSI (Statistical and Applied Mathematical Sciences Institute) program on Astrostatistics began with tutorials, followed by workshops and regular meetings of working groups ( Exoplanets, Surveys and Population Studies, Gravitational Lensing, Source Detection and Feature Detection, Particle Physics...

... Science . ... Science Users Information > Libraries > Information resources . ... Observing with ESO Telescopes . ... Each dataset can be searched by author, object name (astronomy only), title, or abstract text words. ... The Strasbourg astronomical Data Center (CDS) is a data center dedicated to the collection and worldwide distribution of astronomical data and related information. ... Access to electronic documents and the catalogue of the TIB (Technical Information Library, Hannover, Germany) . ...

Deep Space Image Index . ... Cartwheel Galaxy ( GIF , 299K; JPEG , 62K; caption ) . NGC1850 - Tale of Two Clusters ( GIF , 255K; JPEG , 117K; caption ) . Cat's Eye Nebula ( GIF , 113K; TIF , 1M; caption ) . Ring Structure Around Supernova 1987A ( TIF , 2M; caption ) . 30 Doradus Nebula ( GIF , 379K; caption ) . Eta Carinae Star ( GIF , 433K; caption ) . Cygnus Loop Supernova Blast Wave ( TIF , 4M; caption ) . Spiral Galaxy M51 ( TIF , 769K; caption ) . ...

You can also see this page in Russian with using KOI8 (X Windows) or CP1251 (MS Windows) Cyrillic coding. The Laboratory supports the space TV experiments, mainly in the planetary exploration missions. ... Image Co-registration . ... PHOBOS mission - Martian satellites investigations. Phobos on the Martian limb, the image from Phobos-2 probe from 02/28/89. ... Russian Space Bulletin. ... Last modified at June,26 1997 Alexey Kuzmin: akuzmin@mx.iki.rssi.ru . Back to IKI home page ...

The following Net resources contain images of nebulae. ... Astromart archive . ... Anglo-Australian Telescope 3.9m; Siding Spring Obs. NSW Australia ( image index ) . ... Mark Cox's archive. ... Images from Kitt Peak National Observatory by George Jacoby . ... Hubble Space Telescope 2.4m; NASA ( image index ) . ... index of NGC Images on the Net . ... National Undergraduate Research Observatory 31-inch at Northern Arizona Univ. ... University of Oregon archive ( image directory ) . ...

... Canadian Astronomy Data Center, DAO/NRC . SkyCat is a tool that combines image visualization with access to astronomical catalogs and data archives. SkyCat uses a standardized URL syntax to access a large number of data sources on the net. ... More information on SkyCat can be found at the SkyCat Web site. The ESO SkyCat Tool includes the following features: . ... PostScript color printing of the display (image + graphics), . ... overlay catalog sources on an image, . ...

... Home Articles Observing Resources for Amateur Astronomers ? Part 1: Beginning Observers Observing Resources for Amateur Astronomers ? Part 3: Advanced Observers . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . Observing Resources for Amateur Astronomers - Part 3: Advanced Observers . Observing Resources for Amateur Astronomers - Part 4: Magazines and Miscellany . ...

... a) As source material for the high-school or college curriculum, especially in physics. astronomy and their history. (b) As a source of supplemental projects by high school students or by undergraduates. (c) As material for independent studies, In particular by motivated students who seek to know more about space . ... Those wishing to look up specific topics are advised to use the index file, accessible from the end of any "Exploration" file. ... files not listed and at other resource material. ...