... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...

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... There are compelling reasons for the pulsar community to utilise a standard data storage format. For example, standardisation of file formats significantly decreases the amount of effort required to integrate new instruments into the analysis chain. ... Accordingly, we have defined PSRFITS as a standard FITS-based format for pulsar data files. ... For example, the first line of Processing History HDU contains information about the data acquisition program and the initial structure of the file. ...

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... The absolute flux calibration of NICMOS will be calculated from observations of standard stars with known flux distributions F( ). ... In order to expand the set of IR standard stars in the appropriate flux range for NICMOS, M. Rieke, R. Thompson, and collaborators at the University of Arizona are making photometric observations of solar-analog stars, which will be used to normalize the solar spectrum to the observed IR magnitudes. ... Relative flux references accurate to 1.5% for standard...

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GTK+ / Gnome Application Development . ... automake processes Makefile.am to produce a standards-compliant Makefile.in . automake does a lot of work for you: it keeps up with dependencies between source files, for example. It creates all the standard targets, such as install and clean . It also creates more complex targets: simply typing make dist creates a standard .tar.gz file if your Makefile.am is correct. ... In this case, Gnome library flags determined by configure . ... Target . ...

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... Archives . ... His foremost knowledge and historic account on statistical models related to errors may benefit astronomers. Although I didn?t study history of astronomy and statistics, I?m very much aware of how astronomy innovated statistical thinking, particularly the area of large sample theory. ... On the history and use of some standard statistical models . ... The particular reason for this paper into the slog is the following sentences: . ... Chandra Blog . ML Theory . ...

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... Using UNIX System Calls and Library Functions . ... To use system calls and library functions in a C program we simply call the appropriate C function. Examples of standard library functions we have met include the higher level I/O functions -- fprintf() , malloc() .. ... For most system calls and library functions we have to include an appropriate header file. e.g. stdio.h, math.h . ... Information on nearly all system calls and library functions is available in manual pages. ...

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Following are instructions to build and install the programs in this distribution. Make sure that you have all necessary tools for building executables. ... The automatic build process expects a configuration file called Config.local . ... The configuration file specifies the directory in which to install the binaries, as well as control over the generation of debugging code and reference clock support. ... Cleans out object files, programs and temporary files. make distclean . ...

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grdhisteq - Histogram equalization for grd files grdhisteq in _ grdfile [ -G out _ grdfile ] [ -C n _ cells ] [ -D ] [ -N [ norm ] ] [ -Q ] [ -V ] grdhisteq allows the user to find the data values which divide a given grdfile into patches of equal area. ... One could use grdhisteq to write to stdout an ASCII list of those data values which divide the range of the data into n _ cells segments, each of which has an equal area in the image. ... C Sets how many cells (or divisions) of data range to make. ...

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. To redirect the standard input for a command use the < (less than) character followed by the name of the input file. For example: mail tony < memo . This redirects the standard input to the mail command so that it comes from the file memo . The effect of this is to mail the contents of this file to the user tony .

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... The pinhole simulation program is a computationally and memory intensive task. ... A parallel version was developed instead, to enable distributed processing on a cluster of workstations. The program makes use of the Message Passing Interface (MPI) standard for parallel processing, implemented as an API (Application Programming Interface) to the Local Area Multicomputer (LAM) programming environment developed at the Ohio Supercomputer Center. ...

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... The material in "From Stargazers to Starships" meets several important requirements of the national standards. Pages cited below are from National Science Education Standards National Academy Press, Washington 1995. ... For example: the sections on astronomy not only describe calendars and sundials (including their construction), but also the astronomy of the ancient Greeks, including two different ways in which ancient Greeks estimated the distance to the Moon. ...

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... The New 1997 IEEE Standards Products Catalog features the complete listing of standards publica-tions and services IEEE Standards offers, along with the information you need to place your order. ... Books and Other Products on Standards - contains a detailed listing of informative print and electronic publications relevant to standards and their implementation in areas of electrical engineering, electronics and computer technology. ... IEEE Standards Products Listing 22 . ... Power Electronics 41 . ...

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Each harmonica consists of eight 6-wire 6-position RJ11 jacks connected to one 50-pin male Telco connector. Note that a patch panel simply consists of a set of harmonicas mounted in one panel. USOC is a common way of wiring the RJ11 jacks to the Telco connector, and it is the standard we use at APO. Always buy USOC harmonicas and patch panels for RS-232 distribution! RJ11 Pin . ... Male Telco Connector Pin . ... Note that Telco pins 25 and 50 are not connected . RJ11 Pin Numbers . ...

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... Astrophysics Group . ... Optical Interferometry . OIFITS: A Data Exchange Standard for Optical (Visible/IR) Interferometry . ... OIFITS is a standard for exchanging calibrated, time-averaged data from astronomical optical interferometers , based on the FITS Standard (OIFITS is a registered FITS convention ). ... The OIFITS standard is used in the biennial optical interferometry Imaging Beauty Contests: . ... A data exchange standard for optical (visible/IR) interferometry. ...

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Routines can now be called with keyword arguments and can use default arguments, that means that some arguments can be given with keywords instead of position and some do not have to be given at all, in which case a standard or default value is used. ... IMPLICIT NONE INTERFACE SUBROUTINE SOLVE (A, B, N) INTEGER, INTENT (IN) : : N REAL, INTENT(OUT) : : A REAL, INTENT(IN), OPTIONAL : : B END SUBROUTINE SOLVE END INTERFACE REAL X ! ... You will use keyword arguments and default arguments so that . ...

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... Does it have to be a constant-flux source? ... Source added during later "Forum" discussion. ... The various missions represented at the discussion identified their usage of these sources as follows: XMM : RXJ1856 1E0102 Crab N132D GD153 Chandra : RXJ1856 1E0102 CAS A G21.5 Suzaku : RXJ1856 1E0102 CAS A Crab RXTE : CAS A Crab Swift : RXJ1856 1E0102 CAS A Crab INTEGRAL : CAS A Crab LABORATORY ABSOLUTE STANDARDS ------------------------------- Considering the resort, in other...

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... Appunti Linux . ... FTP . ftp://genius.allnet.it/pub/mirror/AppuntiLinux/ . ... ftp://ftp.pluto.linux.it/pub/pluto/ildp/AppuntiLinux/ . ... ftp://pluto.psy.unipd.it/pub/pluto/ildp/AppuntiLinux/ . ftp://ftp.linux.it/pub/mirrors/pluto/ildp/AppuntiLinux/ . ftp://freedom.dicea.unifi.it/pub/linux/pluto/ildp/AppuntiLinux/ . ftp://ftp.appuntilinux.prosa.it/pub/AppuntiLinux/ . ... http://www.pluto.linux.it/ildp/AppuntiLinux/ . ... http://freedom.dicea.unifi.it/pub/pluto/ildp/AppuntiLinux/ . ...

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... For students enrolled in PHYS1101, once you've finished the lesson you will need to go into Wattle and answer the pre-lab questions in this week's homework. Question 1 . Imagine that someone has given you a plot of the probability distribution function for the likely temperature in Canberra in July. ... Click here to see the answer. ... Question 2 An electric circuit produces a variable voltage, described by this probability distribution function: . ...

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As of 1.3, the Apache source directories have been re-organised. This re-organisation is designed to simplify the directory structure, make it easier to add additional modules, and to give module authors a way of specifying compile time options or distribute binary modules. ... The non-module source files have moved from src into src/main . ... Configure . ... For example, say it is called mod_demo.c. The archive for this module should consist of two files, in a suitable directory name. ...

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Next: Imaging simulations Up: Astrometry data reduction Previous: Metrology corrections Contents . ... R EDUCE P OINT D ATA A STROMETRY P HASE E DIT (Flag all channels higher than 20 as well as the laser channel 11. ... R EDUCE P OINT D ATA A STROMETRY D ISP C ORR (Compute dispersion correction.) R EDUCE P OINT D ATA A STROMETRY PLOT (Plot V AC D ELAY , i.e. the dispersion corrected delay relative to the predicted geometric delay and flag. ... R EDUCE I NCH D ATA P LOT . ...

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