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http://xmm.vilspa.esa.es/sas/6.5.0/documentation/xmm_abc_guide.pdf.
http://xmm.vilspa.esa.es/sas/6.5.0/documentation/xmm_abc_guide.pdf.
1. Maximum number of sources.
... It may be desirable to apply (in addition to the source selection described above) some definite upper limit to the number of sources to be plotted - say, to plot only the first 50 brightest sources. Such a limit may be difficult or impossible to achieve by use of the expression parameter. ... The parameter ncutsortexpression has been provided to allow the sources to be sorted. ... slconv srclisttab=bert.ds:SRCLIST radiusexpression='RATE' withncut=yes ncutsortexpression='RATE' ncut=10 . ...
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Ссылки http://xmm.vilspa.esa.es/sas/8.0.0/doc/slconv/node6.html -- 5.0 Кб -- 02.07.2008
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2. http://www.stsci.edu/documents/dhb/web/c17_nicdata.fm3.html
... The quickest way to learn how each observation was performed is to use the iminfo task in the STSDAS toolbox.headers package to look at the headers of the science data. ... Number of extensions . ... Given that NICMOS data files contain multiple extensions, the number of the desired extension must always be specified. ... In order to simplify access to NICMOS FITS image extensions, each extension header contains the two keywords: EXTNAME (extension name) and EXTVER (extension version number). ...
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Ссылки http://www.stsci.edu/documents/dhb/web/c17_nicdata.fm3.html -- 10.2 Кб -- 01.07.1998
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3. *qpspec* - Time Resolved Spectral Fitting
... xs qpspec source qpoe file (xdata$rp110590n00.qp): xdata$rp110590n00.qp[ time =(1606720.00:1607479.00)] source region descriptor ():c 6947 9325 2' background qpoe file ( ): bkgd region descriptor (): a 6947 9325 3' 4' root name for output files [root_obs.tab, etc.] (): arlac_1 ds: 0 file : arlac_1_obs.tab scale: 0.00 mission: 20 seqno: CA110590P.N6 instrument: ROSAT_PSPC sub-instrument: 1 no. pha channels: 34 mean off-axis angle of events (arcmin ...
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Ссылки http://hea-www.harvard.edu/PROS/PUG/node162.html -- 6.1 Кб -- 01.10.2012
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4. Discussion
Next: Summary Up: The Second EGRET Catalog Previous: Upper Limits for . In regions of the sky where two or more sources have overlapping point spread functions, it is often difficult to resolve the number of sources and their locations. ... As an example, Nolan et al.(1995) list a source 0445+62 at l = 146.89 , b = 10.65 , with a = 4.0 and a source 0500+59 at l = 150.52 , b = 10.25 , with a = 4.2. ... Both of these sources lie close to the threshold adopted for this catalog. ... 1995). ...
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Ссылки http://www.sao.ru/cats/doc/EGRET2/node12.html -- 6.3 Кб -- 08.05.1998
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5. Recreating Einstein Level One Processing Exposure Masks and Background Maps in
... This paper describes the main algorithms used by the Einstein Level One processing to create the exposure masks and the background maps for Einstein IPC images, and how these algorithms were recreated in the IRAF environment. Our goal was to recreate the algorithms used by the Level One Processing to create exposure masks and background maps for Einstein Image Proportional Counter (IPC) data (cf. sections 2.5 and 2.7 of Harnden et al. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/vanstoned.html -- 11.6 Кб -- 03.11.2000
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6. http://www.eso.org/sci/observing/phase3/release-description-tmpl.doc
ESO Phase 3 Data Release Description Please start from this template when preparing the documentation for your ESO Phase 3 data release. ... Finally, the release description will be published as submitted - without further editing by ESO - to support the user community in utilizing the data. ... Please indicate if this is a catalogue data release. ... Data Reduction and Calibration Please address the following questions for scientific catalogue data, particularly in case of source catalogues: . ...
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Ссылки http://www.eso.org/sci/observing/phase3/release-description-tmpl.doc -- 62.0 Кб -- 24.05.2012
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7. Population Synthesis of X-ray Sources at the Galactic Center
Next: The Model Up: No Title Previous: Radiopulsars as Sources of . In this section, we study the evolution of stellar populations on a time-scale of 10 Myr for a starburst љ occurring under conditions similar to those in the Galactic Center (see Lipunov et al. (1995d)[ 126 ]). We estimate the expected number of X-ray transient љ sources (NS + MS star), super accreting BH, and BH + supergiant binaries, all as functions of time elapsed after the burst. ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node72.html -- 6.7 Кб -- 01.03.1997
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8. Program parameters
Next: Program use Up: Description of program searchdup Previous: Description of program searchdup . Parameter input is done with a graphic user interface. ... Input file: Name of the input catalog file. It has to be formatted, one record per source/observation, according to the format used in the Arcetri observations and source archives. ... Minimum number of observations per source Source with less than this number of independent observations are not included in the output file . ...
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Ссылки http://www.arcetri.astro.it/science/Radio/red/searchdup/node2.html -- 8.0 Кб -- 30.06.2000
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9. casacore: images/Regions/WCLELMask.h Source File
... Classes . ... Regions . ... 00001 //# WCLELMask.h: Class to define a mask as a LEL expression 00002 //# Copyright (C) 2000,2003 00003 //# Associated Universities, Inc. ... /# National Radio Astronomy Observatory 00023 //# 520 Edgemont Road 00024 //# Charlottesville, VA 22903-2475 USA 00025 //# $Id: WCLELMask.h 20615 2009-06-09 02:16:01Z Malte.Marquarding $ 00026 00027 00028 00029 #ifndef IMAGES _ WCLELMASK _H 00030 #define IMAGES _ WCLELMASK _H 00031 00032 //# Includes 00033 #include images /...
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Ссылки http://www.atnf.csiro.au/computing/software/casacore/casacore-1.2.0/doc/html/WCLELMask_8h_source.html -- 29.3 Кб -- 14.02.2011
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10. http://www.astro.louisville.edu/shared_skies/archive/select/messier/m67/20110406/tmp/m67_4s_12800iso_1302145416.axy
SIMPLE = T / file does conform to FITS standard BITPIX = 8 / number of bits per data pixel NAXIS = 0 / number of data axes EXTEND = T / FITS dataset may contain extensions COMMENT FITS (Flexible Image Transport System) format is defined in 'AstronomyCOMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A .. ... IMAGEW = 4256 / image width IMAGEH = 2832 / image height ANRUN = T / Solve this field! ...
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Ссылки http://www.astro.louisville.edu/shared_skies/archive/select/messier/m67/20110406/tmp/m67_4s_12800iso_1302145416.axy -- 12.2 Кб -- 09.04.2011
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11. Springer LINK:A&A-EE: Table of Contents Volume 317 Number 2 (1997)
... The molecular content of the DMTau and GGTau disks . ... 317, P L55-L58 (1997). ... Article in PDF format . ... 317, P L59-L62 (1997). ... 317, P L63-L66 (1997). ... 317, P L67-L70 (1997). ... 317, P L71-L74 (1997). ... 317, P L75-L78 (1997). ... 317, P L79-L81 (1997). ... 317, P 303-317 (1997). ... 317, P 318-327 (1997). ... 317, P 328-349 (1997). ... 317, P 350-357 (1997). ... 317, P 358-384 (1997). ... 317, P 385-392 (1997). ... 317, P 393-396 (1997). ... helpdesk@link.springer.de . ...
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Ссылки http://crydee.sai.msu.ru/~vab/AAcontent/t7317002.htm -- 28.5 Кб -- 22.04.1998
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12. ASP: Family ASTRO: Resource Lists and Background Reading
Family ASTRO Event Leaders can follow the links below to find a number of resources and more background reading to help them with their Astronomy Events and expand their knowledge on the topics covered in our series of Leader Kits for educators. ... Print and Web Resources on the Night Sky . ... If you have questions about Family ASTRO, see our Frequently Asked Questions for Educators and Astronomers page , or our Frequently Asked Questions for Families and Friends page. ...
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Ссылки http://www.astrosociety.org/edu/family/resources/resources.html -- 7.0 Кб -- 02.10.2012
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13. TUI:Scripts:Built In Scripts:NICFPS:Dither:Point Source
The NICFPS:Dither:Point Source Random script allows you to take a sequence of exposures in a square pattern plus a point in the middle. This pattern is typically used for point sources. ... Any dither point may be omitted by unchecking its checkbox before running the script. ... Dither pattern without randomization . ... Randomization 1. ... Dither pattern with randomization Thanks to Corey Wood for the first implementation of randomization and for the images used in the documentation. ...
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Ссылки http://www.apo.nmsu.edu/35m_operations/TUI/Scripts/BuiltInScripts/NICFPSDitherPointSource.html -- 2.9 Кб -- 05.09.2014
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14. Planetary Picture List
These pages collect together references to many pictures of the solar system that can be found on the Net. ... Since I originally compiled this list the number of relevant images has grown tremendously. ... http://www.jpl.nasa.gov/pictures/ . ... ftp://dftnic.gsfc.nasa.gov/images/gifs/ . ... http://www.jpl.nasa.gov/galileo/images.html . http://www.jpl.nasa.gov/magellan/images.html . ... http://nssdc.gsfc.nasa.gov/image/planetary/ . ... NASA Image Access Homepage (Planetary Photojournal) . ...
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Ссылки http://www.iki.rssi.ru/nineplanets/picturelist.html -- 10.3 Кб -- 07.05.1999
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15. Spectral-Line Observing
... We will consider the rms, (K), for observations with a receiver of system temperature, T , frequency resolution, per polarization, and total integration time per observing cycle, . ... For ``in-band'' frequency switching, the line under investigation is always in the observing band. ... Position Switching or ``Out-of-Band'' Frequency Switching: Here the line is only observed for one half of the time, with noise being present all of the time. ...
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Ссылки http://www.naic.edu/~astro/guide/node15.html -- 10.0 Кб -- 22.02.2012
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16. IAJ: Contents - Volume 24 Number 1
CONTENTS Volume 24 Number 1 (January 1997) . ... CHROMOSPHERIC LINE BLANKETING AND THE Ca I 4227 LINE IN M DWARFS . ... RADIO AND OPTICAL OBSERVATIONS OF INTERMEDIATE VELOCITY GAS TOWARDS THE M15 REGION . ... ROSAT PSPC OBSERVATIONS OF THREE SCULPTOR GROUP GALAXIES: NGC 55, NGC 247 AND NGC 300 . ... 1995-1999 Irish Astronomical Journal, Downshay, 12 Heather Lea Avenue, Dore, Sheffield S17 3DJ, S. Yorkshire, United Kingdom WWW Contact: Alastair G Gunn Back to IAJ Home Page ...
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Ссылки http://star.arm.ac.uk/iaj/online/vol24no1.html -- 2.7 Кб -- 15.10.1998
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17. VISTA ETC - Exposure Time Calculator
... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...
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Ссылки http://www.vista.ac.uk/observing/etc/index.html -- 15.1 Кб -- 28.03.2013
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18. Unusual Emission near a Compact Source in Orion
... One striking feature is a small source of almost pure H 2 line emission, which is located near one of the compact sources in Orion reported by O'Dell and collaborators (HST-18 = 203-504). ... H-H objects, Proplyds, Orion Bar, H 2 . ... We obtained a series of images across the bright rim of the Orion Bar near the peaks of mm-wave molecular line emission with NICMOS cameras 1-3 (NIC1, NIC2, NIC3) in several filters on 1998 February 18. ... The suggestion of an H-H object does not seem compelling. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node23.html -- 19.0 Кб -- 12.06.2006
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19. http://hea.iki.rssi.ru/integral06/papers/D30_Malizia01-19Jan07_18:12:36.pdf
SWIFT / XRT FOLLOW-UP OBSERVATIONS OF INTEGRAL AGNS R. Landi, A. Malizia, L. Bassani , N. Masetti, J.B. Stephen, F.Gianotti, F. Schiavone 1 , A. Bazzano, P. Ubertini 2 , A. J. Bird, A. J. Dean3 , and R. Walter4 IASF-INAF, Bologna, Italy 2 IASF- INAF, Roma, Italy 3 University of Southampton, Southampton, UK INTEGRAL Science Data Centre, Versoix, Switzerland 1 4 ABSTRACT In five years of operation, data from ... In this work we present X-ray data (0.210 keV) for a set of 8 identified with AGN. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/D30_Malizia01-19Jan07_18:12:36.pdf -- 545.4 Кб -- 19.01.2007
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20. Open Source Convention
... For a tsvector column in a table, returns the distinct words along with their frequency. This includes the number of documents (table rows) containing a word and the number of entries for a word which includes multiple occurrences within a row. stat(txt TEXT) RETURNS SETOF STATINFO . txt' is a select statement that selects a tsvector column from a table. SELECT * FROM stat('SELECT ts_vec FROM ts_readme') ORDER BY ndoc desc, word LIMIT 5; word | ndoc | ...
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Ссылки http://www.sai.msu.su/~megera/postgres/gist/tsearch/V2/docs/oscon_tsearch2/stat.html -- 2.5 Кб -- 22.12.2007
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Астронет | Научная сеть | ГАИШ МГУ | Поиск по МГУ | О проекте | Авторам
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