... 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. ...