... Archives . ... Magnitude [Eqn] . ... Differential Emission Measures (DEMs) are a summary of the temperature structure of the outer atmospheres (aka coronae) of stars, and are usually derived from a select subset of line fluxes. ... is called the Differential Emission Measure and is a very useful summary of the temperature structure of stellar coronae. ... Tags: DEM , Differential Emission Measure , EotW , Equation , Equation of the Week , stellar coronae . ... Comment ( RSS ) | ... Chandra Blog . ...

Underdetermined sets is a new type of data structures (terms) developed in Actor Prolog . ... The point is that an underdetermined set can include some indefinite rest (a tail) like a list in usual Prolog . At the same time, the order of elements of an underdetermined set can be arbitrary one and it does not affect results of unification of underdetermined sets. Moreover, Actor Prolog guarantees that a rest of an underdetermined set never contains elements that are explicitly given in the set. ...

. Computer Ephemeris. Elements of osculating planetary orbits. Explanations. Each row contains at 0h of Time Dynamical Terrestrial of specified date in system of mean equator and ecliptic J2000.0 the ecliptic osculating elements of heliocentric orbit: inclination of orbital plane (degrees), longitude of ascending node (degrees), argument of perigelion (degrees), semimajor axis (astronomical units), mean motion (degrees per day), eccentricity (dimensionless), mean anomaly (degrees).

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... Next: Star Finding and Up: Image Restoration and Previous: Multiresolution and Astronomical . ... Design improvements continue to be made in the filter developed using mathematical morphology principles for the Infrared Astronomical Satellite ( IRAS ) images. The purpose of this filter is to eliminate Galactic cirrus emission from extragalactic fields. ... With an appropriate normalization, the filter curve was applied to each pixel in the image to remove the Galactic cirrus. ...

... Meta Index / Home Page Table and array processing in selectlib is controlled via user-specified boolean and arithmetic expressions. These take the form of single character strings which are composed of a variety of elements including numerical and logical constants, operators, functions, and attributes. ... table filtering . ... can contain names of other columns see below . ... Arithmetic operators and functions . ... Character string constants, operators and functions . ... Table column names . ...

... Classes . Files . ... Containers . ... 00001 //# Queue.h: A First-In-First-Out (FIFO) data structure. ... National Radio Astronomy Observatory 00023 //# 520 Edgemont Road 00024 //# Charlottesville, VA 22903-2475 USA 00025 //# 00026 //# $Id: Queue.h 20652 2009-07-06 05:04:32Z Malte.Marquarding $ 00027 00028 #ifndef CASA _ QUEUE _H 00029 #define CASA _ QUEUE _H 00030 00031 #include casa /aips.h 00032 #include casa / Containers / Block .h 00033 00034 namespace casa { //# NAMESPACE ...

... The file names' construction . The flight (m) stage's file set . ... the orbital data used for the flight operation monthly (m) long-term planning, . ... The orbital calculations are based on the initial orbital data determined by KIAM RAN using the orbital radio measurements treatment.The determined initial orbital data are presented as a state vector (satellite position and velocity) in the J2000 reference. ... Accept the file with extension '.bgr', where the Moscow time (MT=UT+3h) is used. ...

... NOTES: ; This routine automatically determines which axis is wavelength and ; which axes are RA and Dec. ... ;VOPT , ZOPT , $ AWAV , VELO , BETA ] for i = 0,n_elements(wave_axes_types)-1 do begin axis_lambda = where( strmid( astr.ctype ,0,4) eq wave_axes_types[i], lambdact) if lambdact eq 1 then break endfor ; ; Check for NONSTANDARD LAMBDA axis type produced by Gemini GMOS IRAF ; ; pipeline ; if lambdact eq 0 then begin ; axis_lambda = where( strmid( astr.ctype ,0,6) eq ...

Back to Handbook . This is one of two central "Knot-houses", operating the elements of main mirror. It contains operating computers Electronis-100 and net CAMAC equipment. Here the antenna-operators are on duty during a observation program. Local call: 2-50, 2-51.

Hide Zen home . ... GiST . ... desc') - sort intarray test =# select sort ('{1,2,3}':: int [],'desc'); sort --------- {3,2,1} (1 row) int [] sort ( int []) - sort in ascending order int [] sort _asc( int []), sort _desc( int []) - shortcuts for sort int [] uniq( int []) - returns unique elements test =# select uniq( sort ('{1,2,3,2,1}':: int [])); uniq --------- {1,2,3} (1 row) int idx( int - returns intarray - union of arguments int[] | ... Zen, 2003-2007 ...