Next: When the clock is Up: Keeping Time Previous: The hardware and software . In the Debian system, the system time zone is determined by the symbolic link /etc/localtime љ . ... If it is unset, the system time zone is assumed. ... The date љ command shows the current date and time. ... date љ is also used to set the kernel's software clock: # date 07142157 . ... While each user can have his own time zone, the clock is the same for everyone. date љ only shows or sets the software clock. ...

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• Influence of Climate Variables on Tree-Ring Widths of Different Species
• Armagh Observatory
• Software Store - Programmers Notes

... GUI­fying and Documenting your Shell Script Peter. ... We describe a simple method to annotate shell scripts and have a preprocessor extract a set of variables, present them to the user in a GUI (using Tcl/Tk) with context sensitive help, and run the script. ... Tcl/Tk: TkRun The GUI that is created will provide a simple interface to a program that is spawned by the GUI. ... Sample Script: testscript Here is an example header from a C­shell script with which Figure 1 was made. ...

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• AstroAsciiData
• Software Develpment: ST-ECF IRAF Package

Name Last modified Size Description . Parent Directory - ppm/ 2009-02-10 15:26 - tif/ 2009-02-10 15:26 - . Apache/2.4.6 (Linux/SUSE) Server at www.astro.louisville.edu Port 80

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• Index of /software/archive/colorspec/colorspec-1.0/examples/ppm
• Index of /software/archive/colorspec/colorspec-1.0/examples/tif
• Index of /software/astroimagej/examples

dfos = Data Flow Operations System, the common tool set for DFO make printable . The dfos system requires a common directory structure. It is defined in the RC file ~/.dfosrc. The current operational version for GIRAFFE is found here . Many of these directories have a substructure by DATE. ... data23/data/raw . DATE . ... raw data (fits files) . ... data23/data/headers . ... data23/data/calib . ... home/opslog/giraffe . ... operator (dfosInstall for save/ and template/) . ...

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• list of DFS Department documentation templates
• Plot variables and their indices
• Adding plot variables

... Since GCVS IV, there was no new GCVS edition. ... Main reasons for the automatic-survey new variables remaining outside the GCVS for a long time:  different level of detail of the classification systems, no perfect software for automatic classification available;  individual approach to each star that was always used in the GCVS cannot be applied any longer, but the experience of automatically- updated catalogs evidences for the number of errors ...

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• General Catalogue of Variable Stars: Homepage.
• GENERAL CATALOGUE OF VARIABLE STARS
• Future Prospects of Variable-Star Catalogues

. Alexey Rastorguev's software . Linsvd Linear least-square problem solution by singular value decompisition of matrix . Lafkin Periodogram calculation (Lafler-Kinman statistics) . FourierPeriodogram Periodogram calculation by Fourier-decomposition . Equ2gal Transformation of the equatorial coordinates and proper motions to the galactic frame . Galorbits.zip Calculation of orbits in three-component Milky Way galaxy model

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• Отдел Изучения Галактики и переменных звезд
• Shugarov's Home Page

... Distribution of orbital elements for the RR Lyrae stars. Results for stars with [Fe/H ] > -0.95 (left column), [Fe/H ] < 0.95 and V res < 290 km/s (middle column), and [Fe/H] < -0.95 and V res > 290 km/s (right column) are shown separately. In the top row, we have plotted normal curves fitting the distributions. ... next figure | privious figure . ...

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... Observing . ... Home Education Workshops at Adorama Astronomy Workshop: Observing Variable Stars from the City ? February 15, 2015 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Presented by€а Adorama €аFor the Amateur Astronomers Association of New York . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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sample1d - Resampling of 1-D data sets sample1d infile [ -Fl|a|c ] [ -H [ nrec ] ] [ -I xinc ] [ -M [ flag ] ] [ -N knotfile ] [ -S xstart ] [ -T x - col ] [ -bi [ s ][ n ] ] [ -bo [ s ] ] sample1d reads a multi-column ASCII [or binary] data set from file [or standard input] and resamples the timeseries/profile at locations where the user needs the values. ... Default is the separation between the first and second abcissa point in the infile ] -M Multiple segment file. ... Default is '>']. ...

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• http://xray.sai.msu.ru/~ivan/gmt/man/gmtmath.html
• http://xray.sai.msu.ru/~ivan/gmt/man/pstext.html
• http://xray.sai.msu.ru/~ivan/gmt/man/grdmath.html

The ESA/ESO Astronomy Exercise Series 2 . The Distance to Messier 100 as Determined by Cepheid Variable Stars . ... The small variations in distance to the individual Cepheid variable stars in the Cloud are negligible compared with the much larger distance to the SMC. ... In this way Cepheid variable stars can be used as one of the 'standard candles' in the Universe that act either as distance indicators themselves or can be used to calibrate (or set the zero point for) other distance indicators. ...

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• ASP: Making Your Own Astronomical Camera
• ASP: Star Science in the Autumn Sky
• ASP: Un Toque de Astronom a Verdadera, Ejercicios de Astronom a del OES/SEA

Stellarium 0.12.3 . ... Classes . ... ClassљList . ClassљIndex . ClassљHierarchy . ClassљMembers . ... Variables . ... aggregatedLog : StelQGLGLSLShader . ... altitude : StelLocation . ... defautAngleForGravityText : StelProjector::StelProjectorParams . ... epoch : varstar . ... info : Planet::SharedPlanetGraphics , StelModuleMgr::PluginDescriptor . ... locked : StelQGLInterleavedArrayVertexBufferBackend , StelQGLArrayVertexBufferBackend . ... state : StelQGLGLSLShader , StelLocation . ...

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• Stellarium: Scripting Engine
• Stellarium: Class Members - Functions
• Stellarium: Class Members

The code calculates the extinction, scattering and absorption efficiency factors for prolate or oblate homogeneous spheroids. ... We provide the code with a test input file and two output files. A run of the code with such an input should lead to the results given in the output files. ... Parameters: . ... Values of other parameters are specified in the input file homn.dat . ... Voshchinnikov N.V., Farafonov V.G. Optical properties of spheroidal particles, . ...

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• Separation of variables method
• Database of Optical Constants -- Level: welcome
• Optical constant database - Level: measurement/paper

ASTR 3007 - STELLAR PULSATION COMPONENT P e ter W o o d Research School of Astronomy & Astrophysics TOPICS COVERED · Main types of variable stars · Linear adiabatic pulsation theory => periods of pulsation · Linear non-adiabatic pulsation theory => stability - will a star pulsate? ... Here we see Cepheids and long-period variables (LPVs) (movies from Hartman: http://cfa-www.harvard.edu/%7Ejhartman/) WHY STUDY VARIABLE STARS? ... What could cause the pulsation period to vary from star to star? ...

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• Cepheid Variables
• Worked Example 04
• Philip Lah's Research

... 8, ``Celestial Mechanics'', 2002 Rotation theory of celestial bodies: dynamical relations of the pole motion and nutation Yu. ... Problem By construction Earth rotation theory the studies of the precession--nutation motion and pole motion are considered usually separately. ... The angle Q between the polar axis of inertia and axis of rotation is small (of order 10 \Gamma6 ). ... The perturbation theory of the Earth rotation has been constructed in the elastic Andoyer and angle--action variables. ...

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• http://www.ipa.nw.ru/conference/2002/sovet/PS/SOKOL_L.PS

... Matrix of Transformation | ... Software | ... The software includes: . attidf.for - a FORTRAN subroutine to get a matrix M (named PA in the subroutine text) to transform any vector from the S/C coordinate system to the GSE coordinate system: . V GSE = M * V S/C . To transform a vector from the GSE coordinate system to the S/C coordinate system transpose the matrix M: . ... We want to know the direction of this vector in the GSE frame for date: 30.05.1997, time 1h.0min.0sec. ut. ...

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• Formulas
• DOK-2 Results Page
• INTERBALL Tail Probe page

... VaST is a software tool for finding variable objects on a series of astronomical images. ... VaST performs object detection and aperture photometry using SExtractor on each image, cross-matches lists of detected stars, performs magnitude calibration with respect to the first (reference) image and constructs a lightcurve for each object. ... VaST FITS image viewer ./pgfv . ... Part I" PZP, vol. ... K. V. Sokolovsky, S. A. Korotkiy; "New Variable Stars Discovered by the NMW Survey" PZP, vol. ...

37. Plasma theories [Oulu]

38. Detection of Radio Transients and Variable Radio Sources Using the Archive Data

39. Conference Zeta Functions

40. MASTER GLOBAL ROBOTIC TELESCOPES NET