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1. Astronomy HyperText Book: Stellar Evolution
... 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. ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/textbook/se.html -- 4.8 Кб -- 16.12.1997
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2. http://xmm.vilspa.esa.es/sas/6.5.0/doc/omsrclistcomb/ChangeLog
... Version 1.21.1 : - 2002-01-27 (CB) Fixed configuration file (SPR 2723). ... Code also tidied up. ... Version 1.8: 18 September 1998 Used correct syntax for parameter lists in .par file SPR 517: Version 1.7: 14 August 1998 parse call removed SPR 500 closed : removed cal from test/Makefile Version 1.6: 17 June 1998 SPR 441 closed : test harness now checks some values SPR 440 closed : .par file changed SPR 439 closed : file permissions changed Version 1.5: 21 May 1998...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/sas/6.5.0/doc/omsrclistcomb/ChangeLog -- 9.0 Кб -- 08.08.2005
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3. VLA Standard Bands.
... A total of 19 standard observing bands are defined at the VLA. ... The tables below describe the bands. ... VLA STANDARD BANDS - VLA SYNTHESIZER SETTINGS VLABAND VLAFEAB VLAFECD VLASYNA VLASYNB FLUKEA FLUKEB FEFILT CC 0.00 0.00 3860.1 3810.1 100.00000 200.00000 0000 UU 19.60 19.60 3610.1 3660.1 100.00000 200.00000 0000 KK 17.60 17.60 3860.1 3810.1 100.00000 200.00000 0000 LL - 3.20 - 3.20 3639.9 3560.1 100.00000 200.00000 0000 XX 13.40 13.40 3939.9 3889.9 ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/people/Tasso.Tzioumis/sched/VLA_Standard_Bands.html -- 9.1 Кб -- 10.04.2016
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4. Multi-Rsh parallelized rsh program
multi-rsh is a perl script which runs the same command on multiple machines, in parallel, and provides reasonable, adjustable timeouts for those machines which fail to answer. Both standard output and standard error are returned through the same channel, and all output has the hostname prepended to each line. Multi-rsh must be run as root (remote jobs can be set to run as any user, see Options below). ... Neither form allows you to directly pass input to the remote programs. ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/~fine/Tech/multi-rsh.html -- 7.8 Кб -- 10.04.2016
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5. Redirecting standard input and output
. Unix considers any device attached to the system to be a file. And that includes your terminal! . By default, a command treats your terminal as the standard input file from which to read in information. Your terminal is also treated as the standard output file to which information is sent from the command. This action can be changed by redirecting standard input and standard output from and to any other file. Redirecting standard input . Redirecting standard output . Appending standard output to a file .
[ Сохраненная копия ]  Ссылки http://comet.sai.msu.ru/UNIXhelp/commanz/cmd3.html -- 2.2 Кб -- 17.01.1997
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6. standard of astronomical data, catalogs
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. ...
[ Сохраненная копия ]  Ссылки http://astrometric.sai.msu.ru/lib_projects_01.html -- 4.1 Кб -- 07.11.2008
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7. http://www.stsci.edu/spst/UnixTransition/doc/start_end_times_check.py
MODULE start_end_times_check # #*********************************************************************** """ **PURPOSE** -- This module contains a class that checks the calendar start and end times for consistency with SPST standard practices. ... This is non-standard.\n") standard = 0 # Check that the calendar is exactly one week long if end == start + 7*24*60*60: file_pointer.write("The calendar is exactly one week long. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/spst/UnixTransition/doc/start_end_times_check.py -- 4.7 Кб -- 08.04.2016
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8. Upgrading to 2.2 from 2.0 - Apache HTTP Server
... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 . ... In order to assist folks upgrading, we maintain a document describing information critical to existing Apache users. ... This document describes only the changes from 2.0 to 2.2. ... Your existing version 2.0 config files and startup scripts can usually be used unchanged in version 2.2. ... Many third-party modules designed for version 2.0 will work unchanged with the Apache HTTP Server version 2.2. ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/manual/en/upgrading.html -- 12.7 Кб -- 21.01.2013
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9. Upgrading to 2.2 from 2.0 - Apache HTTP Server
... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 . ... In order to assist folks upgrading, we maintain a document describing information critical to existing Apache users. ... This document describes only the changes from 2.0 to 2.2. ... Your existing version 2.0 config files and startup scripts can usually be used unchanged in version 2.2. ... Many third-party modules designed for version 2.0 will work unchanged with the Apache HTTP Server version 2.2. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/ztcs/manual/de/upgrading.html -- 11.5 Кб -- 25.02.2008
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10. LWN: Driver porting: miscellaneous changes
... This article is part of the LWN Porting Drivers to 2.6 series . This article serves as a sort of final resting place for various small changes in the kernel programming API which do not fit elsewhere. The kdev_t type has been removed from the kernel; everything which works with device numbers should now use the dev_t type. ... Consider using these while fixing your code; the next time the type of i_rdev changes, you will be happier. ... Driver porting: miscellaneous changes, designated inits . ...
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/sts/linux/doc/porting_to_26/22196.html -- 16.0 Кб -- 28.12.2007
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/sts/linux/doc/porting_to_26/22196.html -- 16.0 Кб -- 02.10.2012
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/sts/linux/doc/porting_to_26/22196.html -- 16.0 Кб -- 02.10.2012
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11. http://www.mrao.cam.ac.uk/projects/OAS/oi_data/announce_rel4_feb03.txt
We would like to announce a further pre-release of a standard for the exchange of optical (visible/IR) interferometry data. ... The latest draft addresses some minor issues uncovered by John Monnier in updating his IDL reader/writer code for the previous release of the standard. The specification of the OI_TARGET table has been changed in the latest release. The apparent RA and Dec have been removed (since the epoch for these positions is potentially ambiguous). ...
[ Сохраненная копия ]  Ссылки http://www.mrao.cam.ac.uk/projects/OAS/oi_data/announce_rel4_feb03.txt -- 2.6 Кб -- 11.01.2008
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12. http://xray.sai.msu.ru/~ivan/gmt/man/splitxyz.html
splitxyz - filter to divide (x,y,z[, distance ,heading]) data into (x,y,z) track segments . splitxyz [ xyz [ dh ] file ] -C course _ change [ -A azimuth / tolerance ] [ -D minimum _ distance ] [ -F xy _ filter / z _ filter ] [ -G gap _ distance ] [ -H [ nrec ] ] [ -M ] [ -N namestem ] [ -S ] [ -V ] [ -Z ] [ -: ] [ -bi [ s ][ n ] ] [ -bo [ s ] ] ... If xy _ filter is non-zero, the data is first divided into segments and then the x,y values of each segment are filtered separately. ...
[ Сохраненная копия ]  Ссылки http://xray.sai.msu.ru/~ivan/gmt/man/splitxyz.html -- 7.9 Кб -- 19.03.1999
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13. Astrophysical Research Consortium - Apache Point Observatory
... 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. ...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/35m_operations/35m_manual/General_Information/Standards/Spect-Phot-Standards/bohlin1992.html -- 9.7 Кб -- 09.05.2008
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14. Different Fortran standards
... Fortranљ66 . ... Fixed form . ... Whole Fortranљ66 . ... Continuation line indicated in column 6 . ... Blank line as comment . ... Extension in Unix .f .f .f .f90 .f .f90 . Extension in DOS .FOR .FOR .FOR .F90 .FOR .F90 . ... This applies to both fixed form and free form source code. ... Fixed form of the source code is discouraged in Fortran 95! ... In UNIX there is no concept called extension, and the extensions are not specified in the Fortran standard, but in informal manufacturer standards. ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/f77to90/c18.html -- 3.7 Кб -- 17.02.1996
[ Сохраненная копия ]  Ссылки http://crydee.sai.msu.ru/f90/c18.html -- 3.7 Кб -- 17.02.1996
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15. http://www.astro.louisville.edu/software/sbig/archive/xmccd-4.1/xmccd-4.1e/xpa-2.1.14/man/mann/xpaconvert.n
... will give a .\" real vertical bar. ... Also change first 2 arguments from XtPointer to void *. ... IP \(bu 4 Change \fINewXPACommand()\fR to \fIXPAcmdNew()\fR, with the new calling sequence: .Sp .Vb 1 \ xpa = NewXPACommand(toplevel, NULL , prefix, NULL ); .Ve .Sp is changed to: .Sp .Vb 1 \ xpa = XPACmdNew(xclass, name); .Ve .IP \(bu 4 Change the \fIAddXPACommand()\fR subroutine name to XPACmdAdd (with the same calling sequence): .Sp .Vb 3 \ AddXPACommand( xpa , ...
[ Сохраненная копия ]  Ссылки http://www.astro.louisville.edu/software/sbig/archive/xmccd-4.1/xmccd-4.1e/xpa-2.1.14/man/mann/xpaconvert.n -- 8.5 Кб -- 08.06.2012
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16. pyQC: Python 2.6.2
... new: . ... Python 2.6.2 + most up-to-date modules (December 2009) . ... pyQC script structure . ... The current installation of python and its associated modules on our DFO machines is extremely old (i.e. python 2.4.2 was released in Sept. ... The new python executable lives in: /qcdp/bin/python . ... The first figure shows the execution times for the old python installation, while the second figure shows the execution times based on scripts running the python 2.6.2 installation with the new modules...
[ Сохраненная копия ]  Ссылки http://www.eso.org/~qc/tqs/pyqc/python_2.6.2.html -- 13.7 Кб -- 18.12.2009
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17. Background
Next: The root filesystem Up: Overview of the Directory Previous: Overview of the Directory . This chapter is loosely based on the Linux filesystem standard, FSSTND, version 1.2 (see the bibliography, [ Qui95 ]), which attempts to set a standard for how the directory tree in a Linux system is organized. ... This chapter does not explain all files in detail. ... The major parts are the root, /usr љ , /var љ , and /home љ filesystems (see figure 2.1 ). ... Figure 2.1: Parts of a Unix directory tree. ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/sag-0.4/node21.html -- 9.5 Кб -- 04.05.1997
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18. http://www.naic.edu/alfa/ealfa/meeting2/talks/IVO_kent_talk.pdf
Possibilities for Database Archival and Access Brian Kent Cornell University bkent@astro.cornell.edu http ://w w w .astro.cornell.edu/~bkent/ Data Archive Objectives · Platform independent node/server, compatible with standard VO Web Service Protocols · Quick and easy access through the web to data using any web browser with standard plugins · Perform simple analysis and calculations on ... E-ALFA Ar chive 11 ...
[ Текст ]  Ссылки http://www.naic.edu/alfa/ealfa/meeting2/talks/IVO_kent_talk.pdf -- 716.9 Кб -- 12.05.2006
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19. Zen: AstroChallengesDB
Hide Zen home . ... We realized original spatial algorithm for 2-dimensional data with spherical attributes in open-source database PostgreSQL, which allow us to work with terabyte-sized data. ... The total number of objects in our database is about 4 billions (10^9) objects. ... Large scale survey projects produce huge amount of data, which needs to be processed and organized in databases to provide access by astronomical community. ... Astronomy is the only science which has so many objects. ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/~megera/wiki?action=browse;diff=2;id=AstroChallengesDB -- 11.7 Кб -- 11.04.2016
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20. Phil Plait's Bad Astronomy: Misconceptions
... Bad Astronomy . ... I think I will break from my usual format of Bad Astronomy/ Good Astronomy by saying that the way we define seasons currently is not strictly bad, but I feel (in my opinion!) that it could be better. The definition of when the seasons begin is at the moment of solstice or equinox; that is, winter (in the north) starts on December 22 nd and summer starts on June 22 nd . ... Now imagine breaking up the Sun's 46 degree up-and-down yearly swing into 1 day intervals. ...
[ Сохраненная копия ]  Ссылки http://www.badastronomy.com/bad/misc/badseasons.html -- 24.7 Кб -- 09.04.2016
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