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1. Model Spectra for Spectral-Fitting Program
... The models provided are: . abs - absorption of x-rays by neutral gas with solar abundances. parameter 1 = . ... parameter 2 = . ... normalization - logarithmic value of the flux density at 1 keV in units of keV cm -2 s -1 keV -1 . ... normalization - logarithmic value of the normalization of the gaussian in units of keV cm -2 s -1 . ... absorption ( params )* model ( params ) . ... A single value for the normalization (i.e., fixed normalization) will force the program to use that value. ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/PROS/PUG/node139.html -- 12.2 Кб -- 01.10.2012
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Еще в разделе: (Показать все результаты (>4572) - hea-www.harvard.edu/ )

2. Parameters
... Default . ... The descriptions below focus on the meaning of each filename parameter, leaving the exact details of the inferred default value to be explained in the algorithm section. evlist . ... file . The response matrix file (OGIP-compliant format). ... If a spectrum file is not provided ( withspectrum =no) this parameter specifies the INDEX number of a source in the source description list (parameter srclist ), and thereby the incidence angle and selection regions for the response matrix. ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/sas/6.0.0/doc/rgsrmfgen/node4.html -- 14.7 Кб -- 18.03.2004
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Еще в разделе: (Показать все результаты (>17739) - xmm.vilspa.esa.es/ )

3. PRECDATE
... The user provides SCHED with source coordinates in one of the J2000, B1950, or DATE coordinate systems. ... This date is specified using PRECDATE . ... This is enough to harm phasing of the VLA at high frequencies and enough to be rather undesirable for positions used on the correlator. ... For example, the B1950 coordinates of the VLA calibrators are either based on absolute measurements made in 1979.9, or are converted from more modern J2000 coordinates using an assumed ``observe'' date of 1979.9....
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/people/Tasso.Tzioumis/sched/PRECDATE.html -- 7.7 Кб -- 10.04.2016
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4. Quality Control: Image flats
instr> Quality Control: . Image flats . ... noise parameters | ... linearity, gain . ... While the ordinary, daily fibre flats mainly measure fibre characteristics, the image flats are exposures of the CCD by the flat field lamp without the fibre system. ... Two kinds of small-scale fluctuations exist in any raw frame: photon noise, and fixed-pattern (gain) noise (the third source, read noise, is negligible here). ... The penalty to pay is added photon noise, inherent in the image flats. ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/~qc/procs/template_QC_tutorial.html -- 20.3 Кб -- 23.04.2008
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5. Python: module set_filter_pos
set_filter_pos (version 01/20/14) . ... set_filter_pos.py . Sets the appropriate guide star filter position for the specified obset_id . ... PURPOSE: To set the guide star filter position in the database relation . ... Rework to support clear filter guiding - mdr 1/20/14 . ... Sets the guide star filter for the provided obset based upon the . ... do set_filter_pos <obsets> [-setfilter|-resetfilter] [-fgs1=<mag1>] . ... The default is -setfilter. -resetfilter will set the appropriate filter . ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/spst/UnixTransition/doc/set_filter_pos.html -- 9.7 Кб -- 08.04.2016
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6. Orbits in the period / acceleration plane
... Binary orbits in the acceleration/period plane . Circular Orbits . ... We first present the equations for the period and acceleration of a pulsar in an eccentric binary system as a function of its position in the orbit. ... In Freire, Kramer & Lyne (2001) (from where most of this text and following equations are taken), we describe in more detail how circular binary orbits can be determined from the observed periods and accelerations of the pulsar. ... where is the orbital period of the binary. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~pfreire/orbits/ -- 20.7 Кб -- 20.12.2008
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7. Access LEDA from Aladin
Leda home | Search object | SQL | Field . Access from Aladin . The access to LEDA from Aladin allows to display the galaxies in a field centered on coordinates or on an object specified by its designation. ... When a name is provided to Aladin, its position is searched in Simbad and LEDA is searched around this position. ... It is optionally possible to specify additional constraints to filter the list of galaxies returned by LEDA. ... leda@univ-lyon1.fr ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/fetch/HL/leda/aladin.html -- 3.9 Кб -- 23.12.2013
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8. mod_session_crypto - Apache HTTP Server
... Apache HTTP Server Version 2.4 . ... Session encryption support . ... session_crypto_module . ... The session will be encrypted with the given key. Different servers can be configured to share sessions by ensuring the same encryption key is used on each server. ... The SessionCryptoPassphrase directive specifies the keys to be used to enable symmetrical encryption on the contents of the session before writing the session, or decrypting the contents of the session after reading the session. ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/manual/en/mod/mod_session_crypto.html -- 17.7 Кб -- 19.11.2015
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9. TUI:Scripts:Built In Scripts:(Inst):Focus
... The various Inst :Focus scripts allow you to take a series of exposures over a range of secondary mirror focus values, report the resulting FWHMs and optionally adjust the focus to the estimated best value. ... Slitviewer scripts assume the focus star is on the boresight. ... Focus scripts runs in three phases: . ... The script moves the boresight so the focus star is visible next to the slit, sets the focus to Center Focus, takes an exposure and tries to measure the star's FWHM. ...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/35m_operations/TUI/Scripts/BuiltInScripts/InstFocus.html -- 5.7 Кб -- 05.09.2014
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10. WCS2DR (V1.0) --- Jan00 --- WCS2DR (V1.0)
wcs2dr -- Convert WCS header information into drizzle parameters for image registration wcs2dr image refim . images = "" [file name] . ... The style for the output listing. ... cl wcs2dr @files ref style= para # drizzle .data= test1 drizzle .shft_fr= output drizzle .shft_un= output drizzle .align= center drizzle .xsh= 552.733 drizzle .ysh= 482.749 drizzle .scale= 1.009 drizzle .rot= - 2.871 # drizzle .data= test2 drizzle .shft_fr= output drizzle .shft_un= output ...
[ Сохраненная копия ]  Ссылки http://www.stecf.org/software/IRAFtools/stecf-iraf/driztools/wcs2dr.hlp.html -- 5.1 Кб -- 06.06.2006