... This is followed by astrometric columns - ie columns for the Right Ascension, declination, position error, galactic longitude and galactic latitude. There then follows columns for the computed significance (signal-to-noise) of each source for each of the filters present. Columns for the instrumental magnitudes and colours for each filter, follow. ... Columns for the standard magnitudes and errors, for each filter, follow. ... Standard colours and errors then follow. ...

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• Standard Magnitudes and Colours
• Standard (Johnson) Magnitudes and Colours

... Computing the true count rates for digital data. ... The following equation is used to find the count rate. x = ( raw counts / sample time ) . ... True count rates for digital data are corrected by using the first equation for a point source and the second for an extended source. a = ( y - pre_amp - darkrate ) / ( highvolt x pt_effic ) . ... True photocurrents (count rates for analog data) are corrected by the first equation for point sources and the second equation for extended sources. ...

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• HSP Data Handbook
• Programming Languages
• Power Spectral Analysis

The reduction of a given magnitude m to bt is given by: . bt = a.m + b + c.(logr25 - <logr25>) . ... e.(logd25 - <logd25>) . f.(de1950 - <de1950>) . where a, b, c, d, e, f, <logr25>, <t>, <logd25> and <de1950> are constant values given in the table here below for each reference taken into account. The mean bt magnitude is calculated as a weighted mean where the weight (last column) is derived from each source of magnitude as the inverse square of the mean standard deviation. ...

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• Documentation: LEDA: parameter:
• Using the COMPUTE Command
• Principal Components Analysis

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 . ...

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• Observational Techniques: Computer Notes
• Computer Lab Webcasts
• Proposed Facility

... Archives . ... Woncheol Jang pointed me to the following web site describing a proposal opportunity at DOE that may be of interest to readers of this list: . Mathematics for Analysis of Petascale Data . http://www.science.doe.gov/grants/FAPN09-10.html . ... This solicitation seeks applications for basic research in mathematical models, methods and tools for the representation, analysis, and understanding of petascale data. ... Comment ( RSS ) | ... Entries RSS . ... Chandra Blog . ...

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• The AstroStat Slog petascale
• The AstroStat Slog grant
• The AstroStat Slog datasets

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 . ...

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• Continuous wavelet transforms
• Image: The procedure is as follows: put a coin into special box, pull a cord

Next: ZGSC (Compressed GSC) and XSKYMAP . ... This is a preliminary report on an investigation of the quality and properties of plates digitized during creation of the Guide Star Catalog (GSC). The results will be vital for reclassifying GSC objects. ... Many objects are measured on more than one plate, and thus have multiple catalog entries. ... Among the shortcomings of the GSC are: biased magnitudes and incorrect classifications for certain objects, presence of artifact objects. ...

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• Calculating the Position and Velocity Components of HST
• A New PROS Task for Calculating HRI Source Intensities or Upper Limits
• Modelling Spectro-photometric Characteristics of Eclipsing Binaries

... AMPLE (Adaptable Minor Planet Ephemerides) is integrated software package to deal with a number of problems concerning minor planets with the aid of IBM-type personal computer. ... compiling a list of all numbered minor planets which can be seen at certain moment within specified sky region and visualization of their mutual positions; . ... As AMPLE is able to reproduce virtually any table of "the Ephemerides of Minor Planets" , it may be considered as computer version of the EMP. ...

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• (Untitled)
• AY2006 (preface)
• AY2008 (preface)

... If You Have Neither OS/2 Dual Boot Nor OS/2 Boot Manager -------------------------------------------------------- If you want to remove OS/2 from your computer but want to save the data on your hard disk first, carry out the following procedure: To remove OS/2 and save the data on your computer: 1. ... Back up the data files you want to keep onto floppy disks by using the COPY command. ... Reinsert Setup Disk 1 in drive A (the startup drive). ... Restart your computer by pressing CTRL+ALT+DEL. ...

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• Some Useful Routines for On-Line Data Analysis
• Data and Analysis
• power meters

A typical sequence for reading and setting up data, setting up a template, cross-correlating and analysing the resultant velocity shifts, total absorption light curve and might look as follows. ; read in and prepare the 2d spectra for analysis . ... compute cross-correlations, clean velocity curve and analyse . ... dft_periods . find_peaks . analyse equivalent width variations . ... analyse light curve . ...

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• Spectrum v1 - Examples
• Planetary Systems Research at Armagh
• Another Irish Asteroid Discovery | International Year of Astronomy in Ireland |

... Bojan Nikolic web pages (r. 329) . ... Note however that the radiospec is built in the ?build? sub-directory of the directory you installed it to and is not installed ? ... Build radiospec wget http://www.mrao.cam.ac.uk/~bn204/soft/radiospec-1.0.tar.gz tar --strip-components = 1 -xzvf radiospec-1.0.tar.gz PATH = $INSTALLDIR/bin:$PATH scons PKG_CONFIG_PATH = $INSTALLDIR/lib/pkgconfig/ . ... You will at least also need the numpy package for Python . ... Download & building of the radiospec package . ...

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• OptInt PmWiki : MROIFastTipTilt / Tech Meet 4
• Using your own computer David Buscher
• Configuring DIMMWIT Computers

C#> gaussn.dc2 C CFunction: GAUSSN C CPurpose: GAUSSN computes the value of an N-component Gaussian C CFiles: gaussn.dc2,gaussn.shl C CAuthor: Peter Roelfsema C CCategory: UTILITY C CCall: C C GX=GAUSSN(X,PAR,NPAR) C C Input parameters: C X -R -running coordinate. C PAR -R -array defined as follows: PAR(0:NPAR*3) that C contains the parameters for the Gaussian in the following C order: C C PAR(0) -zerolevel C PAR(1) -PAR(3) -int, pos. of peak, fwhm cmp. ...

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• http://www.atnf.csiro.au/computing/software/gipsy/sub/voigt.shl
• imstat
• Gas follows stars in resonance-ring galaxies

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. ...

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• GRB follow-up team
• harak_e
• Cosmological Gene project

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. ...

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• Stars proper motions in NGC7063 open cluster
• APOD: October 21, 1999 - Follow The Spots
• SN 1989B Light Curve Analysis.

... Diameters computed with the following routines exclude super giants and binaries! If you want to bypass the latter restriction, set the BFLAG field to '.' (it is set to 'B' for binaries). The routine computing the diameter from (B-V) also excludes bright giants and stars later than K. diameter_ri Compute diameter from color index and -magnitude. diameter_bv Compute diameter from color index and -magnitude. Christian Hummel 2015-04-28 ...

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• OYSTER Lab
• Los Cielos de Am , The darkest sky and the two galactic hemispheres
• Homepages of Christian A. Hummel

Eyepieces Forum Message . ... Post . ... Re The Computer For Dob . ... Post Message | ... Yes, it is possible to put the optical tube on an equatorial mount, but I'm betting you won't. Buying a scope made for its mount will probably appeal to you more, especially because a photography-worthy mount can cost more than the optics it carries! ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Computers With CCD - an Astronomy Net CCD Equipment and Techniques Forum...
• You Followed The Apology With The Same Foolish Insult - an Astronomy Net
• PEAS Is SW For Analysis Of P.E. FFT - an Astronomy Net Software Forum Message

Symbolic circuit-matrix processor and evaluator . ... This software is reliable over the range of benchmark circuit complexity (both *.CIR and *.MAT file). ... SYMBOL is a symbolic-algebra package which in contrast to REDUCE, MACSYMA, MAPLE, MATHEMATICA, MathLAB, MathCAD and other known multi-purpose systems is especially intended for analysis of any lumped, linear, time-invariant circuit. ... pure ASCII text . ... CIRSYM - SYMbolic CIRcuit processor used to format ASCII text file *.out for CALCSYM. ...

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Tail Probe is one of the satellites of the INTERBALL program. ... Collection of the orbital elements | ... Flight situation analysis during operations scheduling . ... Two stages of the orbital situation analysis are presented: . ... The satellites motion calculation during the flight situation analysis is based on the orbital elements, determined by the Ballistic center at KIAM RAN. The modified (by backward integration) orbital elements are usedduring the aposteriory situation analysis. ...

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• INTERBALL AURORAL PROBE SITUATION ANALYSIS
• About modification of the INTERBALL orbital elements
• Trigonometry--what it is good for?

... Ham packet radio system including: . ... control computer RSC 2. dedicated software monitoring generation of probing pulses in onboard transceiver in radio beacon mode; . ground receiving network of ham radio packet communication to record probing pulses of onboard radio beacon; . ... Generation of onboard radio beacon probing pulses as time marks to ground receiving network (including ham radio receivers of USW) and transmission of the measurement results throughout Internet network. ...

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The following files list line and continuum emissivities from the Arcetri Spectral Code. ... Ne = 10^8 g-zipped file (phot cm^3 s^-1); Ne = 10^8 g-zipped file (erg cm^3 s-1) . ... File format (html): File format for the continuum files . ... File format (html): File format for binned line emission files The following files list transitions whose emissivities have values greater than a fixed amount (10^-19 phot s^-1 cm^+3 and 10^-30 erg s^-1 cm^+3 respectively): . ...

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• FIRPO Help 1
• Luca Franci's Homepage
• Francesco Tribioli Home Page