... This paragraph shows the very simplest possible example of how to do the relative calibration of a CCD--frame. ... Darks . ... AVERage/IMAge DARKAV = DARK01,DARK02,DARK03,DARK04 . ... COMPute/IMAge DENOM = FLATAV-DARKAV . ... The first two commands compute the simple averages of the dark and flat field images. The third command computes the dark subtracted average flat field. ... Note that there has been no correction for bad columns in either the flat field, the dark frames or the data frames. ...

... Doug's Home Page . ... S-Lang structures are converted to hash references in Perl , as shown below. ... n\n ; print Structure contents:\n ; # you can treat $s as a reference to a hash array in most respects, except: # - the order of the keys in the array matches that of the # original S-Lang structure # while ( my ( $ key , $ value ) = each %{$s} ) { print key $ key \t has a value of $ value \n ; } print \n ; $$s{afield} = 'a changed field value '; print ...

... HST . ... Data . ... HST Overview . Overview . ... Cycle 24 Announcement . ... Retrieving HST Data . ... Instruments . ... Grism Spectroscopy . ... UVIS Flats . ... Instrument Handbook . Data Handbook . ... The Wide Field Camera 3 (WFC3) is a fourth-generation UVIS/IR imager aboard the Hubble Space Telescope (HST). WFC3 was installed in May 2009 during HST servicing mission 4, and replaces the Wide Field Planetary Camera 2 (WFPC2). ... ISR 2016-09: WFC3 Cycle 22 Proposal 14007: UVIS Gain . ...

The sort command is a simple database tool. It allows you to specify the field to be sorted on and the type of sort to be carried out on it. sort filename . Lines are sorted into the following order: lines starting with numbers come first, followed by lines starting with upper-case letters, which are followed by lines starting with lower-case letters and finally symbols such as % and ! ... Saving the results of a sort to a file . Checking if a file has been sorted . ...

... CentralProcessor 0.11 documentation . ... It can be run with the following command, where ?config.in? is a file containing the configuration parameters described in the next section. ... Parset parameters understood by ccontsubtract are given in the following table (all parameters must have CContSubtract prefix, i.e. CContSubtract.dataset ). ... A number of other parameters allowing the user to narrow down the data selection are understood. ... Parameter . ... Data set file name to work with. ...

... Summary of reduced ISAAC fields . ... This data release includes eight fully reduced VLT/ISAAC fields in J,H,K s bands covering 50 arcmin 2 of the GOODS region in the Chandra Deep Field South (CDFS). ... 8 ISAAC fields) . ... The 8 ISAAC fields which are part of this data release are superimposed onto a SOFI image (J+K) (part of a previous EIS data release). ... In one case (GOODS field 11/J-band), for which not enough standard stars were available, the ZP was boostrapped from previous SOFI/EIS data...

Many entry fields permit sexagesimal entry (h:m:s.s or :':"). ... Sexagesimal entry is flexible in that you can specify one to three fields, as you desire. ... Position entry widgets assume that a single field is decimal hours or degrees (h.h or . ... You may specify one to three fields: . ... Note: sexagesimal offsets and durations are entered in the same fashion, but a single field is decimal arc-seconds or seconds ('.' or s.s) and two fields are (arc) minutes and seconds (':"." or m:s.s). ...

Follow-up astrometry and recoveries are made with the ANU 40 inch (1.0-m) f/8 reflector at Siding Spring Observatory (IAU code 413). ... A routine follow-up of 2003 WY153 on 2003 Dec 15 became much more than routine when a faint object with unusual motion vector was found close to the target asteroid. ... During routine astrometry with the 1.0-m to improve the orbit of the Apollo asteroid 2004 CB, the asteroid was found on March 30 to have a short tail! ... Siding Spring Survey Main Page . ...

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. ...

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. ...

... Tpram - time of the PRAM instrument (aquisition computer) . ... Bx - DC magnetic field with a fixed amplitude calibration; X component . ... The color lines present FFT from the AC magnetic field (Waveform); Bwx, Bwy, Bwz - from the bottom. ...

... Tpram - time of the PRAM instrument (aquisition computer) . ... Bx - DC magnetic field with a fixed amplitude calibration; X component . ... The color lines present FFT from the AC magnetic field (Waveform); Bwx, Bwy, Bwz - from the bottom. ...

... Bojan Nikolic web pages (r. 329) . ... This page is relevant to a situation where one uses scripts written in Python but run from the ordinary operating system shell to control an experiment (but it could be applied to controlling any system). ... what parameters they were run with . ... usr/bin/python # Bojan Nikolic <b.nikolic@mrao.cam.ac.uk> # """ A fake control script """ import optparse import scriptbase sl = scriptbase . ... Simple logging of scripts and their parameters . ...

... A top-level object used to access Java classes from within JavaScript code. ... The java , netscape , and sun properties represent the packages java.*, netscape.*, and sun.* respectively. ... For example, you can access a constructor of the Frame class as follows: var theFrame = new Packages.java.awt.Frame(); For convenience, JavaScript provides the top-level netscape , sun , and java objects that are synonyms for the Packages properties with the same names. ... Any class in the Java package sun.* ...

Peremennye Zvezdy", . ... Max . Min . ... USNO-A2.0 0525-03498176 . ... Comm. ... USNO-A2.0 0525-03518699 . ... USNO-A2.0 0525-03528829 . ... USNO-A2.0 0525-03533089 . ... USNO-A2.0 0525-03553393 . ... USNO-A2.0 0600-44453902 . ... USNO-A2.0 0600-44469023 . ... 0.0008 . ... 0.0007 . ... 0.0007 Min II =14 m .36. ... 0.0005 Min II =15 m .66. ... A close pair of two stars: USNO-A2.0 0525-03533089 and USNO-A2.0 0525-03533312. USNO-A2.0 0525-03533089 varies. ... Comparison star . ...

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. ...

... This thread contains a step-by-step recipe to extract MOS spectra of a point-like source observed in Imaging mode and to create associated response matrices, starting from a calibrated, concatenated event list (either produced with emproc or available as PPS product; here it has the assumed file name MOS.fits ). ... The users should note that the SAS metatask xmmselect allows them to interactively define source and background regions (via ds9) and to run backscale on the fly. ...

... Bit Fields . Bit Fields: Practical Example . ... NOTE: The combination of pointers and bit-level operators makes C useful for many low level applications and can almost replace assembly code. ... To illustrate many points of bitwise operators let us write a function, Bitcount , that counts bits set to 1 in an 8 bit number ( unsigned char ) passed as an argument to the function. int bitcount(unsigned char x) { int count; for (count=0; x != 0; x>>=1); if ( x & 01) count++; return count; } . ...

Mark IV Field System Documentation | ... Operations . Manuals with links on this page are available for viewing online. The table of contents in each manual has links into the document for navigating. ... Operators' Reference . ... Narrow Track Calibration . Utility Programs . ... logpl - Plot Log Data . ... Calibration Data . ... Computer Reference Manual . Computer Reference Manual Appendices . ... Antenna Calibration Programs (ACP) . ... ACP Programs . ... Field System Programs . ...

This module provides the ability to set environment variables based upon attributes of the request. ... The mod_setenvif module allows you to set environment variables according to whether different aspects of the request match regular expressions you specify. ... BrowserMatch . ... Syntax: BrowserMatch regex env-variable [= value ] [ env-variable [= value ]] .. ... Module: mod_setenvif . ... The BrowserMatch directive defines environment variables based on the User-Agent HTTP request header field. ...