... 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. ...

Open Systems Handbook: A Guide to Building Open Systems . ... This book is designed to provide interested individuals and organizations with an overview of open systems and the work being done to achieve them. ... This section is organized using a descriptive model of an open systems environment developed by the IEEE PI 003.0 Working Group, which is developing the Guide to POSIX-based Open System Architecture. ... Standards for open systems 13 . Chapter 3: The open systems environment (OSE) 15 . ...

... 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. ...

DFS Department . Standard and recommended development tools . ... This tool is available on request from Helpdesk (except for the following machines: dfs3, dfs4 and dfs5, for which you have to contact Carlos ). ... Source Navigator IDE is recommended as a source code analysis and navigator tool for C, C++, Java, Tcl, [incr Tcl], FORTRAN and even COBOL on Linux:. ... webcheck is the DFS standard tool for archiving/retrieving DFS documents, web pages, Release Notes, schedules and ToDo lists. ...

... Updates to HST Standard-Star Fluxes . ... These data are in an STScI data base named CRCALSPEC and have been divided into two categories to help the user understand the origin and accuracy of these flux distributions. ... 1990, ApJS, 73, 413) and Oke (1990, AJ, 99, 1621) spectra are available. Oke (1990) used the DoubleSpectrograph on the 5-m Hale Telescope to obtain these spectra for HST calibration; and these data are identified in the HST data bases by the keyword OBSMODE=OKE DBSP. ...

... 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. ...

SAI 175 anniversary . ... Moscow University . Search for in SAI Moscow University Search for in Russian astronomical resources . ... SAI Astronomical Databases . ... Browse SAI Software archive(ftp.sai.msu.su) . ASTRONET.RU - Russian Astronomical Network (available in translit also) . ... SAI Supernovae Research Group . ... Department of the Galaxy and Variable Stars (in Russian) . Sternberg Astronomical Institute Seminars . ... All-Russian Astronomical Olympiad (in Russian) . ...

... The ESO-MIDAS system is built along lines which should allow easy integration of complex analysis algorithms as well as allowing greater flexibility in interactive use and in the creation of user specific procedures from the basic building blocks. The first design proposal for ESO-MIDAS, made late 1980, used some ideas from the UK STARLINK project for the software interface definitions. ... It consists of the following three parts, the monitor, the applications, and the interfaces. ...

... Apache HTTP Server Version 2.4 . Apache > HTTP Server > Documentation > Version 2.4 > Miscellaneous Documentation . ... This page documents all the relevant standards that the Apache HTTP Server follows, along with brief descriptions. ... http://www.rfc-editor.org/errata.php - RFC Errata . ... This document summarizes the history of HTML development, and defines the "text/html" MIME type by pointing to the relevant W3C recommendations. ... HTML documents are SGML documents. ...

... Required qualifications: BS in Electronics Engineering. ... Required qualifications: BS in Electronics Engineering or Electronics Technology field with three to five years experience in operation, calibration and maintenance of high-voltage equipment or equivalent combination. Supervisory experience required. ... Required qualifications: Bachelor's degree in Computer Science or related field, with more than five but less than seven years experience or equivalent combination. ...

Next: Definition of Scientific Misconduct Up: scientific Previous: Introduction . ... This Code of Good Practice closely follows the Statement on Safeguarding Good Scientific Practice issued by the Biotechnology and Biological Sciences Research Council (BBSRC) in 1998. ... The Observatory expects the highest standards of scientific integrity to be adhered to by the researchers, students and other staff that it funds, whether they are employees or associates of other institutions. ...

. 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 .

... User Guide ] Task: intf2c Purpose: A C preprocessor, to aid calling C from FORTRAN. Categories: tools Intf2c is a C preprocessor for MIRIAD source code, intended to aid the calling of C code by FORTRAN routines. ... In particular Intf2c simplifies the perenial question of what FORTRAN character strings and subroutine names appear as in a C routine. ... For example fortran subroutine output(character string) defines a subroutine "output" which has a single character argument, called "string". ...

Super Rocket Targets . NPO MOLNIYA has been designing rockets-targets for over 30 years using the great experience in crea-ting anti-aircraft guided rockets (AGR) for C-25M. On the basis of B-300 anti-aircraft rockets which expired their service life, there were designed, tested and put into the serial production the following types of the rocket - ... The analogue of this system successfully passed the state tests with the ZVEZDA-4 rocket-target. ...

... John Backus in New Mexico, 1976 . ... Other manufacturers came later with Fortran compilers for their machines and in 1962 IBM introduced the extended Fortran IV, which was the base for the 1966 agreed American standard ANSI X3.9 - 1966. ... An HTML version of the Fortran 77 Standard is now available! ... The purpose of the work on a new standard version was to make Fortran usable and efficient language for scientific and technical computations during the nineties. ... Parallel execution . ...

On combined processing of different space geodetic observations . ... A software for combined processing of different space geodetic observations is developed along with the work on the co-location of various observational techniques at the observatories of Quasar VLBI network. ... Various aspects of the combined processing of different types of space geodetic observations are also discussed. ... space geodetic observations, combined processing, normal equations, software package, SINEX-format. ...

Describes how XPA access points can be added to X Toolkit (Xt) programs. ... Thus, in order to add XPA access points to the standard Xt event loop, the following routine should be called before entering the loop: int XPAXtAddInput(XtAppContext app, XPA xpa) . The XPAAddAddInput() routine will add XPA access points to the Xt event loop by making calls to the standard XtAppAddInput() routine. ... If the xpa argument is NULL, then all active XPA access points are added to the loop. ...

... Below is the ascii character table . ... Name Description ____________________________________________ NUL null SOH start of heading STX start of text ETX end of text EOT end of transmission ENQ enquiry ACK acknowledge BEL bell BS backspace HT horizontal tab LF NL line feed, new line VT vertical tab FF NP form feed, new page CR carriage return SO shift out SI shift in DLE data link escape DC1 device control 1 DC2 device control 2 DC3 device control 3 DC4 device ...

... Data bases (DB) and information systems (IS) in the Solar-Terrestrial Physics (STP) have been under development during many years in the following directions: . ... Other samples to handle and to archive data on a CD-ROM are listed. It is shown that growth of Russian language content in Internet lead to the necessity to establish a digital library and to develop its infrastructure: catalogues, search systems, directories and information systems, procedures to access collected data. ...

Welcome to the developer's corner of the SAS. Before developing new code for the SAS, please take a look at the following documentation. SAS packages . ... Using and developing external SAS packages . ... How to make a binary distribution (SOC instructions) Sample Fortran 90 code that illustrates how to use some of the features of the SAS is available in the package testtasks . See the SAS developer's home page for the latest news or to download the latest SAS software and documentation. ...