... 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 . ...

... Drop points . ... Pick ops use the point in a set nearest to the location of the pointer when clicked to select the set for the chosen operation. ... To activate a set, select the set number, specify the number of points in the set and click on "Accept." ... Press the button marked Accept . ... Press the button marked Accept to divide the selected set into (length of selected set) / N sets with the remainder to the last set. ... Press the button marked Accept to merge all sets to the selected set. ...

... Next, the screen displays "Press 0 to align or Mode for Menu." Press "0" if you wish to begin Automatic alignment (or Easy Align, depending on your telescope model), or press Mode if you wish to choose a manual alignment method ("Automatic Alignment" displays, and you can press MODE to go through the menu to find other alignments). ... Note: If you press the "?" key while "Ctr Brightest Star" displays, the alignment star that AutoStar has chosen will display. ... Alignment successful" displays. ...

T he Siding Spring Survey (SSS) is a Near-Earth Object search program that utilises the 0.5-m Uppsala Schmidt Telescope at Siding Spring Observatory, N.S.W., Australia. ... The mission of the Siding Spring Survey is to contribute to the inventory of near-earth objects (NEOs), or more specifically, the potentially hazardous asteroids (PHAs) and comets (PHOs) that may pose a threat of impact and thus harm to civilization. ... Based on the CSS Mission page . ... Siding Spring Survey Main Page . ...

Next: Summary Up: Design Previous: Logical View . The screen design is part of the user interface development, and is a result of the storyboarding described in Section . ... This provides a good overview of how the user interface development had to be broken down to meet the design requirements. The Menu Bar is located at the top of the screen, and provides access to several functions available throughout the design session. ... The Palette of Objects is located in the upper right. ...

... Move cursor to desired image location and click middle mouse button, or . Move to (purple) Pan Window and click and drag the left mouse button in the (green) image display box, or . Move to (purple) Pan Window and click middle mouse button at new display center. To zoom image (i.e., change number of image pixels per display pixel): . ... Move to (purple) Pan Window and click and drag the left mouse button at a corner of the (green) image display box (arbitrary zoom), or . ...

. Search near object or position . Help . | HyperLeda home | Documentation | Search by name | Search near a position | Define a sample | SQL Search | . Object designation . Find coordinates in . Celestial position . Search radius . (arcmin) . Display an image from DSS . Display an image from . Display with . (java applet) . List objects in . order by right ascension designation . The lay-out of this page has been last modified on: 2002/05/05 . HyperLeda . Questions: leda@univ-lyon1.fr

... Next: 7 kslice_3d: slicing data Up: Karma User Manual Previous: 5 Volume Rendering a . The <kpvslice> programme allows you to use a two-dimensional image to define a slice through a three-dimensional data cube. ... The slice is drawn on the total column density or velocity field map, and the corresponding position-velocity diagram will appear in the other window. ... To load the cube, press the Cubes button in the left window and select a cube file. ... The image is displayed in the left window. ...

... U. Amsterdam Explanation: The GRB distance scale controversy may have just ended with a flash . Gamma Ray Bursts (GRBs) are powerful explosions occurring in seemingly random positions on the sky. ... There they found a faint but variable optical source : a potential counterpart to the gamma-ray burst that was getting brighter. Most importantly, continued scrutiny showed that this optical transient had absorption lines with a redshift of about 0.8 - the distance scale of galaxies and quasars . ...

... Image operations . ... OldMethod Allows the user to select new spectra from the image. ... New method Allows the user to select new spectra from the image using the ds9 image. ... The button is disabled if the source-list is not empty- The source-list can be deleted using the Delete button, allowing omdetect to be run. ... Load source-list Allows the user to select another source-list file. ... Information Allows the user to display information about either the program, exposure or image details. ...

XmTel ----- XmTel is a Motif-based telescope control program developed by John Kielkopf (kielkopf@louisville.edu) to operate a telescope connected to a Linux computer system. ... About Epoch ----------- XmTel assumes that the telescope is set to "Epoch of Date", which means that it is using ideal celestial coordinates precisely aligned today. ... XmTel assumes that target coordinates entered from the keyboard are in the Epoch that the telescope coordinates are currently displayed in. ...

This page is devoted to information on Supernova 1999br in NGC 4900 . Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main supernova page. ... Note that there is a very bright foreground star (mag about 11.3) located near the position of Supernova 1999br . ... Mag . ... vsnet-chat 1771 ] Host galaxy of SN1999br . ... from [ vsnet-alert 2870 ] SN 1999br in NGC 4900 . ... The host galaxy NGC 4900 has a rather peculiar appearance. ...

... We present a new Tcl/Tk based GUI interface tool which features plotting of curve and image data and allows for user input via return of regions or specific cursor positions. ... Curves and Images may then be combined to form a displayed Graph. ... With the development of several GUI based tools for High Energy Astrophysics at the HEASARC, we found a need for a interface tool that supports combined curve plotting and image display in a native Tcl/Tk environment. POW is our answer. ...

... May 13, 1997 . Optical Transient Near GRB970508 Shows Distant Redshift . ... Explanation: The GRB distance scale controversy may have just ended with a flash . ... Most importantly, continued scrutiny showed that this optical transient had absorption lines with a redshift of about 0.8 - the distance scale of galaxies and quasars . ... Above is a "negative" image of the GRB970508 field , located near the north celestial pole, taken hours after the initial flash of gamma rays. ... About APOD > . ...

... To run the <LAYER> version of the example, select: flower.htm . ... However, if the page had several layers with absolute positions, and you wanted to place another layer in a relative position to one of the existing layers, you could use inline JavaScript to calculate the value for LEFT or TOP . ... In this example, there is really no need to use inline JavaScript to position the last flower layer, since you could just let the TOP value default to its natural value, as in the other flower layers. ...

... A Front of line M-G Goto a line ^E End of line ^N Next line M-N Front of paragraph ^P Previous line M-P End of paragraph ----------------------------------------------------------------------------- = (2) DELETING INSERTING -- Delete previous character ^D or DELETE Delete next character ^C or INSERT Insert a space M- -- Delete previous word M-D Delete next word ^K Close ( ... The KILL BUFFER is the text which has been most recently saved or deleted. ...

Why are there different versions of CIMA? Which version of CIMA should I choose? ... There is no CIMA log in my project directory --- what happened? ... If You are a normal, happy observer, You should choose the CIMA version with the highest version number, since that version contains the latest improvements and bug fixes. ... This means that programs like the data quick-look display and various ALFA instrument displays all exist in several versions just like the CIMA observing session itself. ...

... It runs on unix, MacOS and possibly on Windows. ... On MacOS or Windows, double-click TUI. If MacOS complains that the application is unsigned then right-click TUI and select Open. ... If you have never run TUI before, set up your preferences before proceeding (for help on any item, right-click on the control and select Help from the menu that appears): . ... To save your window positions and remember which windows to open at startup, select Save Window Positions from the TUI menu. ...

... Restrictions ) are used. If specified form of output is EMP then astrometric equatorial coordinates are printed in the form usual for Ephemerides of Minor Planets, with formal precision of 0.01 minute of time in R.A. and 0.1 minute of arc in declination. ... It should be noted that the near-opposition ephemerides are not calculated for bodies/ points with numbers from –12 to 0 (in case they are included into task for computation of such ephemerides only their names are displayed in the results). ...

JSC Celebrates 40 Years of Human Space Flight . America's Nerve Center for Mission Operations . ... Were flight operations to be part of the design center, MSC in Houston, or part of the operations center at Kennedy Space Center in Florida where Mercury controls were housed? ... Discussions among MSC management quickly recognized that operations requirements would be a critical factor in the design of all manned spacecraft," said former JSC Director Dr. Christopher C. Kraft. ...