... Next: The PROS Big Up: Software Systems Previous: Data Reduction Software . ... The srcinten task provides PROS users with a tool to compute count rates for point sources in the ROSAT High Resolution Imager (HRI). ... Corrected upper limits are cited at locations where the count rate falls below the source detection threshold. ... Srcinten is a new PROS task that computes and applies the above correction factors to the net counts in a user-specified aperture. ...

We investigate models for main-sequence and horizontal-branch (HB) stars constructed using the Carson opacities and make comparisons with models based on the Cox-Stewart opacities. ... The drop in the hydrogen-shell luminosity due to the helium-core expansion during HB evolution is greater than that obtained with the Cox-Stewart opacities. ... Studies of main-sequence (MS) stars lead to agreement with Stothers' (1974a,b, 1976) results for homogeneous models constructed with Carson opacities. ...

Improved evidence for a black hole in M32 from HST/FOS spectra - II. Axisymmetric dynamical models . ... Axisymmetric dynamical models are constructed for the E3 galaxy M32 to interpret high spatial resolution stellar kinematical data obtained with the Hubble Space Telescope (HST). ... No model without a nuclear dark object can fit the combined ground-based and HST data, independent of the dynamical structure of M32. ...

... OM source rates le (output from evselect) 2. ... PPS product OM OSW FITS source timeseries 8 Algorithm subroutine omlcbuild read parameters xmmsas\_20040318\_1831-6.0.0 XMM-Newton Science Analysis System Page: 4 loop i=0, nSources get handle on source rates file get handle on source region file if (exposure IDs are different) issue warning get handle on background rates file get handle on background region file if (exposure IDs are different) issue ...

... Bojan Nikolic web pages (r. 329) . ... Atmospheric Modelling for ALMA . This is a short and simple illustration of how to use (A)ATM to calculate the dispersive path delay introduced by the atmosphere as well as the non-dispersive parts. ... Compute dispersive delay in the atmosphere This program is part of AATM version 0.06 GPL license -- you have the right to the source code. ... Computing dispersive atmospheric delay with AATM . ... Computing atmospheric absorption with AATM . ...

... The first two catalogues (the one has been calculated using all input catalogues and the second one using only catalogues obtained with CALC/SOLVE software) provide a stochastic improvement of the ICRF 2. and the last two of them one allow us to account also for systematic errors in the current ICRF version. ... Input Catalogues and Comparisons Table 1. ... In result, the combined catalogue PUL08C01a and PUL08C01b (only input catalogues constructed using CALC/SOLVE were used) were constructed. ...

... Classes . ... casa . casa::AutoDiffX< T > . ... Class that computes partial derivatives by automatic differentiation. More... #include < AutoDiffX.h > . ... AutoDiffX (const T &v) . ... A function f(x0,x1,...,xn,...) with a value of v. AutoDiffX (const AutoDiff < T > &other) . ... 504, [756, 336]) // It needed the template instantiations definitions: template class f<AutoDiff<Double> >; . ... Referenced by casa::AutoDiffX< T >::operator=() . ... References casa::AutoDiffX< T >::operator=() . ...

... Proximity e#ects of com­ ponents (reflection of radiation and surface gravity darkening) are taken into account. ... As an example, we consider the Algol (# Persei) system, where an eclipsing pair (Algol A­B) is accompanied by the third component (Algol C). ... The surface temperature distribution for Algol A­B system before (upper plot) and after (lower plot) correction for temperature due to the irradiation e#ect. ... We solve this equation by the iterative Newton­Raphson method. ...

http ://hea-www.harvard.edu/AstroStat/slog/ 2008 / quote - abstract -there-are- none / Weaving together Astronomy+Statistics+Computer Science+Engineering+Intrumentation, far beyond the growing borders Fri, 01 Jun 2012 18:47:52 +0000 hourly 1 http ://wordpress.org/?v=3.4 http ://hea-www.harvard.edu/AstroStat/slog/ 2008 / quote - abstract -there-are- none /comment-page-1/#comment-153 hlee Fri, 11 Jan 2008 02:28:25 +0000 ... I think I have to correct about Kalman filter. ...

Construction of the numerical motion theories for the main satellites of Mars, Jupiter, Saturn, and Uranus in IAA RAS . ... This paper presents the motion theories of the main satellites of Mars (Phobos, Deimos), Jupiter (Io, Europa, Ganymede, Callisto), Saturn (Mimas, Enceladus, Tethys, Dione, Rhea, Titan, Hyperion, Iapetus), and Uranus (Ariel, Umbriel, Titania, Oberon, Miranda) as constructed by numerical integration within the framework of the program package ERA (Ephemeris Research in Astronomy). ...

http://www.mso.anu.edu.au/~ralph/freefree.html . Ralph S. Sutherland . New calculations of free-free transition matrix element integrals are performed using modern symbolic computing techniques to evaluate the hypergeometric functions with complex arguments. The results are presented in both graphical and tabular form including accurate extrapolation methods. ... http://msowww.anu.edu.au/~ralph/data/freefree/ . ...

... CALIBRATE/LINE Calculate coefficients for wavelength calibration . CENTER/.. Compute center of line . CONVERT/TABLE Make image from table values . EXTINCTION/SPECTRUM Correct 1-D image for extinction . IDENTIFY/GCURSOR Identify table entries from graphic display . IDENTIFY/LINE Equate X positions to wavelengths . INTEGRATE/GCURSOR Integrate line interactively . MODIFY/GCURSOR Change data in line interactively . ... SEARCH/LINE Search calibration lines . ...

Microsymposium 40, abstract 88, 2004 (A4 format) GAMMA RAYS FROM MAJOR ELEMENTS BY THERMAL NEUTRON CAPTURE REACTIONS: EXPERIMENT AND SIMULATION FOR PLANETARY GAMMA-RAY SPECTROSCOPY. ... Then the calculation can be restarted by producing gamma rays and let them trans- GAMMA RAYS FROM MAJOR ELEMENTS BY THERMAL NEUTRON CAPTURE REACTIONS: N. Yamashita et al. port and react, with initial energies determined the outside multiplication and initial locations wh neutron capture reaction took place. ...

... Evolution of the coalescence rate of double neutron stars (NS) and neutron star - black hole (BH) binaries are computed for model galaxies with different star formation rates. Assuming gamma-ray bursts (GRB) to originate from NS+NS or NS+BH merging in distant galaxies, theoretical - distributions for gamma-ray bursts (GRB) are calculated for the first time taking the computed merging rates into account. ... Effect of sources evolution on - distribution and -test. ...

The original files with the data were in different formats. ... Such files were named "standard data files" and linked to the database. They can be easily transformed to any desirable format by a code. Here we present two simple computer programs of this kind. ... When running the code, you can specify columns in the output file: wavelength, energy (eV) or wavenumber (cm -1 ) as the first column, and complex refractive index or dielectric function as the second and third columns. ...

RATAN-600 radio telescope . ... In the "radio-Shmidt telescope" mode the antenna system the South sector of the main mirror with the flat mirror ("South+Flat") of the RATAN-600 radio telescope is used. ... The antenna system the South sector with the flat mirror. ... The flat and circular mirrors of the RATAN-600 form the basis of the system. ... In the case of antenna system "South+Flat" the planoid is flat mirror, the circular reflector of RATAN-600 is the second mirror. ...

Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright (C) 1988-1992 by Cambridge University Press.Programs Copyright (C) 1988-1992 by Numerical Recipes Software. ... Chapter 4. 4.0 Introduction Integration of Functions Numerical integration, which is also called quadrature, has a history extending back to the invention of calculus and before. ... Isaacson, E., and Keller, H.B. 1966, Analysis of Numerical Methods (New York: Wiley), Chapter 7. ...

Calibration of ALFA data in LiveData R. Minchin Abstract The calibration factors to be entered into LiveData have been calculated, for the parameters used for the AGES and ZOA E-ALFA pro jects and a method is described for calculating these more generally. ... The calibration factors 1 2 Testing the calibration http://www.naic.edu/~ rminchin/alfacal.shtml Three AGES cubes have so far been constructed using this calibration: the completed NGC 1156 and NGC 7332 cubes and the incomplete Abell 1367 cube. ...

This document explains values, tables and other matters on solar physics computing pages. ... is040423.ete : SAHA-S tables, interpolation values: T, rho, X. Z is fixed at 0.02. See reference above. opal2005.etf : OPAL EOS, interpolation values: T, rho, X, Z. Downloaded from OPAL site , marked there as "2005", seems to be unpublished. opal2001.etf : OPAL EOS, interpolation values: T, rho, X, Z. Rogers F.J., Nayfonov A. Astrophys. ... The following values can be calculated: . ... dimensionless . ...

The Network Time Protocol (NTP) is used to synchronize the time of a computer client or server to another server or reference time source, such as a radio or satellite receiver or modem. ... Information on the NTP architecture, protocol and algorithms can be found in the following articles and reports, which are available online . Mills, D.L. Internet time synchronization: the Network Time Protocol. ... Mills, D.L. Network Time Protocol (Version 3) specification, implementation and analysis. ...