Next: Examples and Hints Up: CCD Detectors Previous: Cleaning Images . The COMPUTE/IMAGE command can be used to perform the operation of dark subtraction and flat fielding. ... To do a dark subtraction enter the following: COMPUTE/IMAGE DENOM = FLAT_AVG-DARK_AVG . where DENOM is the result frame, FLAT_AVG is the average of flat fields, and DARK_AVG is the average of dark frames. ... To flat--field a data frame, enter the following: COMPUTE/IMAGE SCIE_FLAT = (SCIE_IN-DARK_AVG)/DENOM . ...

. XMM-Newton Science Analysis System . selectlib (selectlib-4.69) [xmmsas_20070708_1801-7.1.0] . Meta Index / Home Page / Description The following paragraphs contain lists of sample expressions which should demonstrate how the various elements described in the above sections can be combined to achieve a desired result: . Subsections . Table filtering . Table column construction . Array arithmetic . XMM-Newton SOC/SSC -- 2007-07-08

... This appendix describes how to use the JavaScript console to evaluate expressions and display error messages to the user. ... Displaying Error Messages with the Console JavaScript 1.2 and earlier versions. ... You can specify whether to automatically open the console when a JavaScript error occurs or to display a dialog box for each JavaScript error. ... To open a dialog box each time an error occurs, add the following line to prefs.js : user_pref("javascript.classic.error_alerts", true); . ...

This document describes how number input can be given to tasks which request numbers from Hermes. ... list selection The following constants are implemented: pi 3.14159.... c speed of light (SI) h Planck (SI) k Boltzmann (SI) g gravitation (SI) s Stefan-Boltzman (SI) m mass of sun (SI) p parsec (SI) BLANK Universal undefined value The following mathematical functions are implemented: abs(x) absolute value of x sqrt(x) square root of x sin(x) sine of x asin(x) inverse sine ...

The File System . This section describes how you can create new files, copy existing files, and delete obsolete files. ... RENAME to change the name of a file. ... Files can be created in several ways: text can be entered from the keyboard via the CREATE command, an editor can create a file, as can a running program, and files can be copied from other directories. ... To delete obsolete files, use the DELETE command followed by a file name or file name template (wildcards). ...

... Doug's Home Page . ... In the examples below we show a number of ways that data can be moved back and forth between S-Lang and Perl . ... Source code typeof : "undef"; __END__ __SLang__ variable foo = Any_Type [3]; foo[0] = "a string"; foo[1] = 23; define getfoo(x) { return foo[x]; } message( "In S-Lang:" ); vmessage( "typeof(foo[0]) = %s", string(typeof(foo[0])) ); vmessage( "typeof(foo[1]) = %s", string(typeof(foo[1])) ); vmessage( "typeof(foo[2]) = %s", string(typeof(foo[2])) ); . ...

... TCC User's Guide explains how to use the TCC from an Astronomer's point of view. TCC Commands describes the commands in detail. ... You can talk to one using the tcc command talk mirror_name " mirrorCtrl command " for example talk sec showparams . ... You can talk to one using the tcc command talk mirror_name "galil Galil command " for example talk sec "galil XQ#SHOWPARAMS" . ... You can talk to one using the command talk axis_name " axis controller command " for example talk az "MS.DUMP" . ...

To list all files with a particular extension: ls *.fm . This will list all the files in the current directory that have the extension .fm . ... This removes all the files in the current directory with a single character extension to their name. Files foo.c and foo.o would be removed as would file foo.3 . To copy all the files containing the same pattern: cp [pP]art[0-9] ../book . ... So the file part1 would be copied to the parent directory book as would the file Part7 . ...

This diagram illustrates the effects of floating a box ("inner") and how its "sibling" is forced below it due to the 'clear' property. A document window is shown, with 8 lines (numbered 1 to 8), each 24px high. Text before the "inner" box flows on lines 1 and halfway on line 2. The "inner" box has been floated to the right and occupies the second half of lines 3 and 4. ... The lines, as they appear in the image, contain: 1 Beginning of body contents. ... Inner contents" is blue. ...

OptInt PmWiki : Pm Wiki / Custom InterMap . ... Custom markup > . ... This page describes PmWiki's default InterMap links, and how a wiki administrator can create additional InterMap links. An intermap entry takes the following format: . ... The default intermap.txt distributed with PmWiki (in the scripts/ directory) includes the following InterMap entries: . PmWiki: http://www.pmwiki.org/wiki/PmWiki/ Cookbook: http://www.pmwiki.org/wiki/Cookbook/ Wiki: http://www.c2.com/cgi/wiki ? ...

ATM Forum Message . ... Post . ... Cleaning . ... Post Message | ... I've been quite successful in wiping gently with a very slightly damp paper towel right after pulling the tool from the glass. ... I also use the inside of my forearm to wipe smaller pieces of glass that will fully wipe with the soft skin of the inside of the forearm. ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

In order to calculate the line profile of a given absorption line for atomic species Z with a wavelength LAMBDA (in Angstroms) and a microturbulent velocity VT (in km/s). ... mode . ... 1) The input model may contain more than one model (i.e. it may be an entire grid of models). Spectrum will cycle through this grid NMOD times, omitting NSKIP-1 models from the . ... However, the input data following MODE must be repeated NMOD times in order to obtain equivalent results for each model in the grid. ...

... Next: The Data Analysis Up: Software Systems Previous: The Array Limited . ... We present the data reduction and analysis system for the Low Energy Gas Scintillation Proportional Counter to be flown on the Italian-Dutch X-ray satellite SAX . ... Also, the problems encountered in following the chosen approach are described. In particular, the advantages and disadvantages of using FITS for all the steps in the data analysis chain are discussed. ... conversion to FITS . ...

This module illustrates many of the aspects of the Apache 1.2 API and, when used, demonstrates the manner in which module callbacks are triggered by the server. ... Source File: mod_example.c . ... The files in the src/modules/example directory under the Apache distribution directory tree are provided as an example to those that wish to write modules that use the Apache API. ... Example . ... Uncomment the "AddModule modules/example/mod_example" line near the bottom of the src/Configuration file. ...

... Dialog box. ... At this point you should explain briefly what happens when changes are made to the options in the dialog box. For example, the following lines explain what happens with the Sparkle Plug-In when the options have been modified by the user: . Changes to the options effect the current image. ... Changes to the various options do not have an immediate effect on the image. ... Here would be the description of what the first option does and how to make changes with it. ...

... The if statement . ... The switch statement . ... if ( expression ) statement 1 else statement 2 ...or: . ... expression 1 ? ... The C switch is similar to Pascal's case statement and it allows multiple choice of a selection of items at one level of a conditional where it is a far neater way of writing multiple if statements: . switch ( expression ) { case item 1 : statement 1 ; break; case item 2 : statement 2 ; break; case item n : statement n ; break; default: statement ; break; } . ...

In this chapter we will consider an example of visual expert system written on the Actor Prolog language. ... There are a lot of methods of oil field bed stimulation that increase output of the oil production: thermal, physical-chemical, gas, microbiological, and others. ... Fig. ... The Top-Most diagram consists of three blocks: the "Describe parameters of hydrocarbon field" block, the "Check adaptability of existed methods of oil production" block, and the "Display solution" block. ... Gas methods. ...

... A lot Chinese names are degenerate. For example, it is hard to identify the person by just reading S. Xu. My advisor Michael Jura at UCLA and I facilitated AAS to follow APS and allow Chinese, Japanese and Korean to display their names in their original characters. It has been an option since 2010. ... Here is an example of the LaTex file and the compiled pdf . If the Chinese characters appear garbled, make sure to set the encoding of the LaTex file to be UTF 8. ...

... 2 Preamble Please follow this sample (see LaTeX file). If your contribution is submitted by less than 3 co-authors, please use \markboth{A.B.\,Author A and A.B.\,Author B}{Title of Contribution} otherwise please use \markboth{A.B.\,Author A et al.} ... See, for example, \cite{ref1}. ... 6.2 Reference list Please follow the examples: [1] shows the ref. for a journal article, [3] shows the ref. for a monograph, [4] shows the ref. for an article in proceedings, [5] shows the ref. for a preprint. ...