... 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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... Abstract Return the value of the smallest (negative) number representable in a SpiceInt variable. ... Detailed_Output The function returns the value of the smallest (negative) number that can be represented in an SpiceInt variable, where SpiceInt is a typedef defined in SpiceZdf.h. The returned value will be less than or equal to -2147483647. ... Particulars The typedef SpiceInt is used throughout the CSPICE API to refer to integers; the precise type of integer is platform-dependent. ... Files None....

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• CSPICE Routines: MINI_C
• CSPICE Routines: MAXI_C

This section of library contains information about "classic" Star Catalogs. ... For a Henry Draper Catalog 272149 stars have received a total of 531,211 identifications in 7 сatalogs: . 270456 - in Astrographic Catalogue ( "Carte du Ciel", 4M), . 251943 - in Guide Stars Catalog (GSC), . ... A file with information on the components of 1788 of multiple systems in catalog HDEC (3681 component, or a combination thereof, with 4054 recording). ... A file with information about 21971 variable stars. ...

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Next: Modifying Visibility Datasets Up: Flagging, Manipulating and Examining Previous: Plotting Visibilities . There are a variety of variables associated with the dataset that you may like to examine. For example, you may like to plot the system temperature as a function of time; it is usually stored as a variable (the visibilities are variables too). ... After finding out the name of the variable of interest, you can plot it with varplt . ... VARPLT . ... Put variable time on x-axis . ...

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• casacore: casa::casa Namespace Reference
• Pulsar Group PmWiki/Fmt Page Name
• Making Flint Quieter

The Apache HTTP Server provides a mechanism for storing information in named variables that are called environment variables . ... For additional flexibility, the directives provided by mod_setenvif allow environment variables to be set on a per-request basis, conditional on characteristics of particular requests. ... As discussed above, the environment passed to CGI scripts includes standard meta-information about the request in addition to any variables set within the Apache configuration. ...

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• Apache module mod_cgi
• Apache module mod_setenvif

... Standard Commands . ... TwistedActor.Actor is core code for writing an actor: an instrument control computer (ICC) or hub-based script that does something useful. This manual describes the standard commands and keywords that any actor based on TwistedActor.Actor will support. All actors based on TwistedActor typically support the following standard commands (plus additional device-specific commands documented in that actor's manual). ... Connect one or more devices (if not already connected). ...

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• TclActor
• lsst.tcc: tcc.msg.showTune Namespace Reference
• Standard Stars For ARCES

New RRC variables with an additional non-radial pulsation . PZ, vol. ... We present a new study of 14 known RR Lyrae variable stars from the Catalina surveys periodic variable star catalog. ... New Double-Mode RR Lyrae Variables III . ... We present a new study of 123 known RR Lyrae variable stars from the Catalina surveys periodic variable star catalog. ... According to these data, the stars are double-mode RR Lyrae variables, pulsating in the first-overtone and fundamental modes. ...

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• Journal "Peremennye Zvezdy"

... The two common precisions single precision (SP) and double precision (DP) on a system based on IEEE 754 can specified with INTEGER , PARAMETER :: SP = SELECTED_ REAL _ KIND (6,37) INTEGER , PARAMETER :: DP = SELECTED_ REAL _ KIND (15,307) REAL ( KIND =SP) :: single_ precision _variables REAL ( KIND =DP) :: double _ precision _variables If we wish to work with at least 14 decimal ...

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• Additional problems at the transition
• Adding Variables to CONFIG.SYS
• Keyword arguments and default arguments

... xntpd is an operating system daemon which sets and maintains the system time-of-day in synchronism with Internet standard time servers. xntpd is a complete implementation of the Network Time Protocol (NTP) version 3, as defined by RFC-1305, but also retains compatibility with version 1 and 2 servers as defined by RFC- 1059 and RFC-1119, respectively. xntpd does all computations in 64-bit fixed point arithmetic and requires no floating point support. ... Specify the name and path of the log file. ...

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• ntpq - standard NTP query program
• Building and Installing the Distribution
• Zen: ivoa standard process

... CEPHEID VARIABLE STARS: A Cepheid variable or Cepheid is a member of a particular class of very luminous, massive variable stars with pulsation periods of 1-70 days. ... The relationship is calibrated using data collected from Cepheids whose distances are determined by other means. ... Browse through the 68 CCD fits images he sent you, using ds9 and locate the Cepheid variable. ... Image credits: ESA - "http://sci.esa.int/science-e-media/img/20/cepheid-variables.jpg" . ...

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• Designated Observatory Application
• Lecture 20: Standard Uncertainties, Significance and Quadrature

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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• Environment Variables in Apache - Apache HTTP Server
• Standard stars
• Columns BAND and NBAND

... 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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• common tcsh completions
• Multi-Rsh parallelized rsh program
• The AstroStat Slog standard candle

Rastorguev А.S. "Astronomical Distances" (Lecture course for postgraduates, 2009-2016) . Part 1. ... Trigonometric parallaxes of stars. Moving clusters distances. ... Photometric distances: general approach. Normal stars as "standard candles". ... Main Sequence fitting or distance scale of star clusters. ... Moving photospheres technique. Cepheid distance scale and P-L relations. RR Lyrae distance scale. ... Globular clusters luminosity function. ...

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To read standard input into a shell script use the read command. For example: echo "Please enter your name:" read name echo "Welcome to Edinburgh $name" . This prompts the user for input, assigns this to the variable name and then displays the value of this variable to standard output . ... For example: echo "Please enter your surname\n" echo "followed by your first name: \c" read name1 name2 echo "Welcome to Glasgow $name2 $name1" . ...

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• Redirecting standard input and output
• Redirecting standard input
• Redirecting standard output

OptInt PmWiki : Pm Wiki / Fmt Page Name . ... This page describes an internal function in PmWiki's engine called FmtPageName(). ... Returns $fmt , with $variable and internationalisation substitutions performed, under the assumption that the current page is pagename . ... Replace any sequences of the form $XyzFmt with value of any corresponding global variable. ... Typically this is used to handle things like $Name and $Group etc that are specific to the name of the current page. ...

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• OptInt PmWiki : Fmt Page Name
• Working Group on Optical Interferometry Data Standards
• OptInt PmWiki : PmWiki / Page Text Variables

... comedi_errno -- number of last Comedilib error . ... int comedi_errno (void ); . When a Comedilib function fails, it usually returns -1 or NULL, depending on the return type. An internal library variable stores an error number, which can be retrieved with comedi_errno(). This error number can be converted to a human-readable form by the functions comedi_perror() and comedi_strerror(). ... The function comedi_errno() returns an integer describing the most recent comedilib error. ...

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• C Standard Library Functions
• C, UNIX and Standard Libraries
• The Bridge World Standard

... Although many of the images are used for teacher-driven activities, students do have the opportunity to work with scientists on original research projects. ... The primary goal is to have teachers experience astronomy research and then to bring the research data into their classrooms via the internet. ... They also learn how to process their data, build a solar telescope to take home to their classrooms, and learn background information from astronomers in each of the three research areas. ...

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• ASP: A Taste of Real Astronomy ? The ESA/ESO Astronomy Exercises
• ASP: Star Science in the Autumn Sky

... Apache HTTP Server Version 2.2 . ... The Apache HTTP Server provides a mechanism for storing information in named variables that are called environment variables . ... Setting Environment Variables . ... The most basic way to set an environment variable in Apache is using the unconditional SetEnv directive. ... For additional flexibility, the directives provided by mod_setenvif allow environment variables to be set on a per-request basis, conditional on characteristics of particular requests. ...

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• Relevant Standards - Apache HTTP Server
• Apache 2.0 Thread Safety Issues - Apache HTTP Server
• Appunti Linux: RETI E SERVIZI STANDARD

... Standard magnitudes can only be computed for the U, B and V filters and hence the only standard colours that can be calculated are U-B, B-V and U-V. An important point to note, is that these standard colours can be computed using the following instrumental colours - U-B, B-V, U-V, (UVW1-U), (UVW1-B), (UVW1-V), (UVW2-B) and (UVW2-V). ... The program loops through these colours and if the relevant instrumental magnitudes are present computes the standard magnitudes and standard colour. ...

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• Standard (Johnson) Magnitudes and Colours
• Output
• SAS package documentation standards

dfos = Data Flow Operations System, the common tool set for DFO . That initialization file sets up a standard set of global variables which must exist for dfos to run. ... The .dfosrc file contains one part of the instrument specific (or better: account specific) information needed by dfos. ... The set of links under 'Installation' collect a set-by-step installation scenario which makes sense only if the configuration files are filled reasonably. ...

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• ESO - Standard Stars Catalogues
• pyQC: overview
• A standard recipe