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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. ...
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Ссылки http://zebu.uoregon.edu/textbook/se.html -- 4.8 Кб -- 16.12.1997
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2. http://www.stsci.edu/documents/dhb/webvol2/c07_foserrors.fm13.html
... In FOS polarimetry mode the incoming beam was split into orthogonal polarization components by a Wollaston prism behind the entrance aperture. ... As with non-polarimetric observations, no concurrent WAVECAL exposure was routinely taken with polarimetry data, so the limiting accuracies of the default pipeline polarimetry wavelength calibration are the same as for the non-polarimetry case described earlier ( See "Wavelength Calibration" on page 32-49. ...
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Ссылки http://www.stsci.edu/documents/dhb/webvol2/c07_foserrors.fm13.html -- 9.0 Кб -- 10.02.1998
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3. Standard Setup Files
Next: Examples of Setup Files Up: Setup Files Previous: Setup Files Contents . Over 200 standard setup files have been created, covering many of the normal modes of observing. ... These especially include precisely defined, and somewhat complex cases like the Mark III standard modes (although MarkIII went the way of the dinosaur long ago. ... v '' files: . These are setup files for VLBI observations using VLBA recording formats. ... These are setup files for Mark III observations. ...
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Ссылки http://www.atnf.csiro.au/people/Tasso.Tzioumis/sched/Standard_Setup_Files.html -- 9.1 Кб -- 10.04.2016
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4. ON/OFF (Position Switching)
... The procedure simply observes ON your source for x minutes and then takes a `blank sky' observation OFF your source for the same amount of time and tracking the same azimuth and zenith angle range. ... If your scans are for 5 minutes or less, your wait time should be set to 1 minute (the default setting). ... 2 (scan duration) + (slew time) + (calibration time) A 5 minute ON/OFF + 10s CAL takes 11.3 minutes. A 7 minute ON/OFF, (which has a 2 minute slew time plus a cal) takes 16.3 minutes. ...
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Ссылки http://www.naic.edu/~astro/spectral_line/handbook/node8.html -- 6.8 Кб -- 20.03.2002
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5. TUI:Telescope:Coordinate Systems
The TCC supports the following coordinate systems: . ICRS: the current RA/Dec standard. The default date of observation is J2000. ICRS is FK5 J2000 (for all practical purposes) but has no date of equinox . ... The date specifies both the date of equinox (usually J2000) and the date of observation . ... The date specifies both the date of equinox and date of observation . ... Warning: the following coordinate systems are rarely used (except Mount for parking the telescope). ...
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Ссылки http://www.apo.nmsu.edu/35m_operations/TUI/Telescope/CoordSys.html -- 4.0 Кб -- 05.09.2014
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6. Using a Standard Star
Next: Fitting the Blaze Up: Instrument Response Correction Previous: Instrument Response Correction . ... This flux has to be corrected for two effects in order to get absolute fluxes: first, for the echelle blaze effect, and second, for the chromatic response of the instrument. ... The solution adopted in the reduction, using the standard star љ , is to correct for both the blaze effect and the instrument response simultaneously. ...
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Ссылки http://www.sao.ru/precise/Midas_doc/doc/95NOV/vol2/node167.html -- 4.3 Кб -- 23.02.1996
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7. Telescopes - Products
STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... LX70 Series . ... Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... LightBridge Series . ...
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Ссылки http://www.meade.com/products/telescopes.html?dir=asc&order=position&series=82 -- 90.4 Кб -- 10.04.2016
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8. Lack of Dwarf Galaxies in the Local Volume Compared to Conventional Cosmology
... The sample of the Local Volume galaxies (distance smaller than 10 Mpc) gives a unique opportunity to study the properties of galaxies including the weakest objects: the absolute magnitude M B -10 and the virial mass M vir 10 9 M x263C;. ... Luminosity function of the Local Volume galaxies. ... The luminosity functions for galaxies are presented: red dashed line - from the 2dFGRS survey (Norberg et al. 2002); blue dash-dotted line - from the SDSS survey (Blanton et al. ...
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Ссылки http://www.sao.ru/Doc-en/SciNews/2016/Makarov/ -- 7.5 Кб -- 10.04.2016
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/2016/Makarov/ -- 7.5 Кб -- 10.04.2016
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[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/2016/Makarov/ -- 7.5 Кб -- 10.04.2016
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9. Algorithm
... Up: Description of program searchdup Previous: Program use . Input records are ordered per date of observation, and the list of known (observed) sources is cleared. Each record is compared in position to all the known sources. If the sky distance is less or equal to the specified one, the record is added to the list of observations for that source. If no known sources are within the specified radius, a new source is created, with the coordinates of the observation record. ...
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Ссылки http://www.arcetri.astro.it/science/Radio/red/searchdup/node4.html -- 5.2 Кб -- 30.06.2000
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10. The AstroStat Slog standard processing
... Posts tagged ?standard processing? ... Tags: ADC , astro catalogs , Cast , CDF-S , Chandra , datasets , HEASARC , Penn State , reduced , standard processing , W3Browse . Category: Astro , Data Processing , Misc | ... Algorithms arXiv Astro Bad AstroStat Bayesian CHASC Cross-Cultural Data Processing Fitting Frequentist Galaxies gamma-ray High-Energy Imaging Jargon Job Languages MC MCMC Meta Methods Misc News Nuggets Objects Optical Physics Quotes Spectral Stars Stat Timing Uncertainty X-ray . ...
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Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/standard-processing/index.html -- 19.7 Кб -- 01.03.2014
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11. Development of an ADS Data Dictionary Standard
... We present a proposed standard for data dictionaries associated with catalogs being accessed through the Astrophysics Data System (ADS) Mosaic Catalog Service. Each catalog made available for searching must have a data dictionary, which consists of a set of specified keywords describing format, content and location of data. ... There are two keywords in the Table Data Dictionary which indicate to the server software that the corresponding column contains special attributes. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/grantc.html -- 11.3 Кб -- 03.11.2000
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12. NAA 2015-2016 (preface)
THE NAUTICAL ASTRONOMICAL ALMANAC for 2015-2016 (in Russian-English) . Preface . The Institute of Applied Astronomy of the RAS (IAA RAS) submits the next issue of ?The Nautical Astronomical Almanac for the years 2015-2016? biennial (NAA-2). ... Calculations of ephemerides in NAA-2 for 2015-2016 have been executed by the following researchers of Laboratory of Astronomical Yearbooks of IAA RAS: . ... The Explanation for NAA-2 (2015-2016) is revised by M.V.Lukashova, M.L.Sveshnikov. ...
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Ссылки http://www.ipa.nw.ru/PAGE/EDITION/ENG/MAE/2015/navyalmanac.htm -- 10.0 Кб -- 10.04.2016
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13. IPACMAN V2.4 Integration Test Plan
... IPACMAN V2.5 Test Plan (or more) . ... Anyway, results given hereafter are related to one plaform only (the one mentioned on the top). ... specific testcases The following testcases correspond to the minimum set of tests to be run on every new IPACMAN release (alpha, beta, final, .. ... 1/ START IPACMAN . ... Expected result . ... Verify IP: select an IP on disk and run Reports>verify IP . ... IP Diff: select two IPs on disk, and run Reports>IP Diff and check manually the results: verify the . ...
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Ссылки http://www.eso.org/projects/dfs/team/IPACMAN-test-plan.html -- 28.6 Кб -- 14.10.2002
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14. http://xray.sai.msu.ru/~ivan/gmt/man/fitcircle.html
fitcircle - find mean position and pole of best-fit great [or small] circle to points on a sphere. fitcircle [ xyfile ] -L norm [ -H [ nrec ] ] [ -S ] [ -V ] [ -: ] [ -bi [ s ][ n ] ] fitcircle reads lon,lat [or lat,lon] values from the first two columns on standard input [or xyfile ]. ... Then two locations are found: the mean of the input positions, and the pole to the great circle which best fits the input positions. ... If no file is specified, fitcircle will read from standard input. ...
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Ссылки http://xray.sai.msu.ru/~ivan/gmt/man/fitcircle.html -- 5.7 Кб -- 19.03.1999
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15. http://xmm.vilspa.esa.es/docs/documents/CAL-SRN-0120-1-0.ps.gz
XMMNewton CCF Release Note XMMCCFREL120 OM Photometry Bing Chen July 5, 2002 1 CCF components Name of CCF VALDATE List of Blocks changed CAL VERSION XSCS flag OM COLORTRANS 0007 20000101T00:00:00 COLORMAG No 2 Changes The zeropoints and colortransformations for optical filters are set based on observations of several hundreds standard stars. ... We can see that the simulated UV colortransformation based on this new CCF can represent the observations. ...
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Ссылки http://xmm.vilspa.esa.es/docs/documents/CAL-SRN-0120-1-0.ps.gz -- 44.2 Кб -- 26.07.2002
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16. String Manipulation
... include <string.h> . char *stpcpy ( char *dest, char *src) - Copy one string into another. int strcmp( char * string1 , char * string2 ) - Compare string1 and string2 to determine alphabetic order. char *strcpy( char * string1 , char * string2 ) - Copy string2 to stringl. char *strerror( int errnum) - Get error message corresponding to specified error number. int strlen( ...
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Ссылки http://mavr.sao.ru/hq/sts/linux/book/c_marshall/section2_21_11.html -- 2.8 Кб -- 28.12.2007
[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/sts/linux/book/c_marshall/section2_21_11.html -- 2.8 Кб -- 11.09.2010
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/sts/linux/book/c_marshall/section2_21_11.html -- 2.8 Кб -- 02.10.2012
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[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/sts/linux/book/c_marshall/section2_21_11.html -- 2.8 Кб -- 02.10.2012
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17. Keyword arguments and default arguments
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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Ссылки http://star.arm.ac.uk/f77to90/c8.html -- 5.4 Кб -- 11.02.1996
[ Сохраненная копия ] Ссылки http://crydee.sai.msu.ru/f90/c8.html -- 5.4 Кб -- 11.02.1996
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[ Сохраненная копия ] Ссылки http://crydee.sai.msu.ru/f90/c8.html -- 5.4 Кб -- 11.02.1996
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18. 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. ...
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Ссылки http://astrometric.sai.msu.ru/lib_projects_01.html -- 4.1 Кб -- 07.11.2008
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19. The Ekpyrotic [string] Models And The Standard Guth Model. - an Astronomy Net
Bigbang Forum Message . Forums: . ... Discussion Forums | ... The Ekpyrotic [string] Models And The Standard Guth Model. Forum List | ... Post Message | ... Could you outline the differences between the Ekpyrotic [string] models and the standard Guth model? ... www.astronomy.net . About Astronomy Net | Advertise on 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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Ссылки http://www.astronomy.net/forums/bigbang/messages/859.shtml -- 13.9 Кб -- 09.04.2016
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20. http://www.gao.spb.ru/english/personal/malkin/publ/zm12c.pdf
... In this work, we investigate some a new possibility to estimate correlations between radio source position catalogs (RSC). ... Catalogs AUS AUS AUS AUS AUS AUS BKG BKG BKG BKG BKG GSF GSF GSF BKG GSF IAA MAO OPA USN GSF IAA MAO OPA USN IAA MAO OPA USN MAO OPA USN OPA USN GSF IAA IAA IAA MAO With correlations, the system to be solve consists of the equations: The key point is to obtain a reliable estimates of ij. ...
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Ссылки http://www.gao.spb.ru/english/personal/malkin/publ/zm12c.pdf -- 375.5 Кб -- 19.11.2012
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