Next: Results Up: High Resolution Measurements from Previous: Introduction . The first step in PSA is to Fourier transform the image and calculate the square modulus of the FT to generate the power spectrum, . ... Specifically, one excludes the very lowest frequencies where the large scale nonuniformities in the image have the greatest effect, and one limits the fit to a frequency range where the SNR is sufficiently high. ...

Next: Command Overview Up: Table File System Previous: Interactive Editing of . In this section we describe several of the mathematical operations that can be performed on table data. ... A set of histogram-related commands, with qualifier HISTOGRAM , allow the graphic display of the histogram of a column ( PLOT and OVERPLOT commands), the printout of histogram values ( READ and PRINT commands), or the generation of a 1D image with the histogram of a column (command COMPUTE/HISTOGRAM ). ...

SOME RESULTS FROM INTMINS . The experiment can be performed when the electron beam (instrument ISTOCHNIK ) and plasma blobs (instrument ARIEL ) are injected approximately along or perpendicular to the Earth's magnetic field. ... The pulses of frequency of 1000 Hz will generate EM waves and its harmonics. ... To increase the electron gun pulse duration up to D t = 0.5 f -1 ( D t = 5x10 -4 s) and to stabilise their frequency as good as possible. ... Back to the INTMINS Main Page ...

... Meta Index / Home Page / The spectrum-selection window . ... Align Spectrum Allows the selected spectrum to be moved using the up/down/left/right arrow keys. ... Spectrum If marked then using the left . right/up/down keyboard keys, the spectrum regions will be moved left/right/up/down, respectively. Left background If marked then using the left or right keyboard keys, the left background-region will be moved left or right, respectively, with respect to the central region. ...

Next: Primary Beams and Mosaicing Up: Analysing Spectral Cubes Previous: Fitting a tilted ring . There is a suite of tasks to help analyse Zeeman data. These tasks implement the techniques discussed in gruesome detail by Sault, Killeen, Zmuidzinas & Loushin (1990) (ApJS 74, 437) and by Killeen, Lo & Crutcher (1992) (ApJ 385, 585). zeestat : In the small-splitting Zeeman analysis, our goal is generally to look for the characteristic ``S'' Zeeman signature in the Stokes V spectrum. ... ZEESTAT . ...

Next: Mixing types of E-P-A Up: ``Ecology'' of Magnetic Rotators Previous: Evolutionary Tracks . So far we have considered evolution of a magnetic rotator related to single rotators or those entering binary system with circular orbits. ... Orbital eccentricity necessarily emerges after the first supernova explosion љ and mass expulsion from the binary system. ... Here, we concentrate on the evolutionary consequences of eccentricity. Mixing types of E-P-A binary systems with non-zero orbital . ...

... This paper presents an overview of the CENTERFIT image centering algorithm library currently under development in the IRAF system. ... The centering algorithms employed by these applications must satisfy a wide range of efficiency and accuracy requirements, and function robustly on data sets spanning a broad wavelength, resolution, and signal-to-noise regime. This paper presents an overview of CENTERFIT, a library of 1-D and 2-D centering algorithms currently under development in the IRAF system. ...

Operating of the superconducting integrated receiver channel of the TELIS atmospheric sounder. ... The noise temperature of the SIR was measured to be as low as 120 K, with an intermediate frequency band of 4 ­ 8 GHz in double sideband operation; the spectral resolution is well below 1 MHz. The SIR was implemented in the three-channel balloon-borne instrument TELIS (TErahertz and submillimeter LImb Sounder) that detects spectral emission lines of stratospheric trace gases (like ClO and BrO). ...

... The Zenit-3SLB ILV . ... LAND LAUNCH . ... o Financing of operations performed by OOO International Space Services Contractors. o Land Launch Program coordination and control. o Marketing activity on the SIS territory. ... Leading technical integrator for the Land Launch Complex (coordinator of OOO International Space Services Contractors operations for analytical integration of spacecraft with the Zenit-M SRC). ... Support of operations for SC analytical integration with AU, preformed by RSC...

Photo taken in 1964) Nucleus of 1960 Flight Operations Division--The group above was assembled at the Houston Petroleum Center in Houston just prior to the final relocation of Manned Space Craft employees to the Center. Members of the group were all formerly part of the Mission Analysis Branch of the Flight Operations Division in 1960. ... The group above along with the rest of their division, which at the time numbered nearly 200, moved into offices in Bldg. ...

MAGION 5 is subsatellite of the Auroral Probe, one of the satellites of the INTERBALL program. ... Click hear for the 1999 flight situation analysis during operations scheduling . ... The satellites motion calculation during the flight situation analysis is based on the orbital elements determined by the Institute of Atmospheric Czech Academy of Sciences. ... SSC GSFC NASA Satellite Situation Centre of the NASA Goddard Space Flight Centre . ... Space Research Institute (IKI) . ... IKI RAN | ...

SPECTRUM ANALYZER OF MAGNETIC PHENOMENA SAMW . Spectrum analyzer allows onboard computation of electromagnetic waves spectra registered (observed) in the ionosphere and magnetosphere in the ELF/VLF frequency band. ... It consists of magnetic antenna, preamplifier, 16 bit sigma delta AD converter, DSP processor and telemetry interface. ... The channels of lower frequencies are averaged and transmitted with lower repetition rate so the telemetry volume is reduced. ... Dynamic range: 90 dB . ...

This instrument is a spectometer with . ... maximum resolution of 40 Hz (8.4 m/s at 1.4 GHz) . ... The control software has been developed using Object Oriented analysis and modelling techniques ( Arcetri report 3/98 ). ... n. 3/93: ARCOS - Arcetri Correlation Spectrometer: Clock Generation module . n. 13/93: ARCOS - Arcetri Correlation Spectrometer: Project status report . ... n. 3/98: Software Analysis for the Arcetri COrrelation Spectrometer . ...

Next: Results & Discussion Up: Coronal Hole Diagnostics out Previous: Introduction . ... The dates of the observations discussed here, their locations, pointing, slit sizes and exposure times are given in BTDW. ... Line fits are given by the dotted line. ... An estimation of the errors in the derived parameters was obtained using the GA-derived parameters as an input for a ``classical'' IDL-CURVEFIT procedure (Peter, 1999; Peter & Judge, 1999). ...

... Exploring the physics of Type Ia supernovae through spectral analysis . ... Their progenitor scenario as well as the details of the explosion mechanism remain a mystery. ... It produces a supernova spectrum for a given luminosity, photospheric velocity, time since explosion and several elemental abundances. Tweaking these parameters to produce a spectrum that fits an observed spectrum is a complex, as of yet, manual task. ... The search space is large and complex. ...

. N asmyth E chelle- S pectrometer (NES) . Here we present first NES-spectra: . The spectrum of the dwarf (F5 V) we derived with the NES (first light) . The spectrum of the same dwarf we derived with the BTA+NES in combination with the Jodine cell (first light) . The spectrum of the magnetic star HD153882 we derived with the BTA+NES in combination with the Zeeman device . The spectrum of the born-again Sakurai's object (about 11 mag) we derived with the BTA+NES on July, 15, 1998.

... Iowa Robotic Telescope | ... Talon is based on OCAAS, a software suite developed by software engineer Elwood Downey ( Clear Sky Institute ) for use at the University of Iowa ?s first remote facility (the ATF, or Automated Telescope Facility). ... XObservatory : Telescope Control Interface . ... This program calls upon and coordinates much of the interrelated portions of the Talon architecture, and forms the primary control panel for the telescope, dome, and peripheral systems when used locally. ...

Next: Power Law fit to Up: Spectral Analysis Previous: Error Determination . With PROS2.3 all fitting is performed using Poisson statistics , rather than Gaussian, so that results will be correct even for small counts ( ) in some channels. Power Law fit to a Point Source . Raymond Model . Two-Temperature Raymond Model . Limiting Energy Channels Input to the Fit . Multiple Data Sets . ... Fit a source with a small number of net counts . Inspection of results . ...

Astronomical Data Analysis Software and Systems VII ASP Conference Series, Vol. ... Steps for ISOCAM Data Processing At the moment, the following steps for astronomical ISOCAM data processing are generally performed: 1. data preparation (slicing, generation of CIA prepared data structures) 2. cross­talk correction (for the short­wave detector only) 3. deglitching (removal of cosmic ray hits) 4. dark current subtraction 5. transient ... The images can be shifted and annotated. ...

dfos = Data Flow Operations System, the common tool set for DFO make printable . Some parts of the daily workflow can be performed day by day in an automatic way. Let us recall the Table 1 from the simple model , now with the processing mode updated: . ... CALIB/SCIENCE . ... workflow steps 1-3 . ... day1 . ... day2 . ... createAB -m CALIB -d day1; createJob -m CALIB -d day1 . ... 4 : Mapping of the daily workflow into three working days for the optimized workflow. [1-3] is short for days1-3. ...