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1. IRAF/STECF imaging linear polarimetry simulation and reduction package
... The STECF IRAF layered package impol provides five tasks specifically aimed at reduction of HST imaging polarimetry data for ACS, FOC, NICMOS and WFPC2. ... Reduction of HST polarimetry data and simulation of raw polarimetry images, together with polarization vector plotting, are covered. ... hstpolsim -- Produce simulated polarization input data frames for HST instruments from images of the total signal, the linear polarization and the position angle of the polarization vectors. ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/~jwalsh/softpol/ -- 8.2 Кб -- 02.02.2001
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2. ST-ECF IRAF package
... Several HST instruments both current and decommisioned have provided imaging linear polarimetry capabilities. ... The STECF IRAF layered package impol provides five tasks specifically aimed at reduction of HST imaging polarimetry data. ... Reduction of HST polarimetry data and simulation of raw polarimetry images, together with polarization vector plotting, are covered. ... For reduction of data from imaging linear polarization instruments other than from HST, the instrument name is `SPECIAL'. ...
[ Сохраненная копия ]  Ссылки http://www.stecf.org/software/IRAFtools/stecf-iraf/impol/ -- 10.3 Кб -- 09.04.2016
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3. The ``stecf'' IRAF Layered Package
... We have collected together many of the astronomical applications developed as IRAF tasks at the Space Telescope European Coordinating Facility (ST-ECF) into a new IRAF layered package called ``stecf''. ... For many years the ST-ECF has developed IRAF tasks and packages for HST and related data analysis. ... The impol package consists of five tasks to reduce, simulate and plot imaging linear polarimetry data taken with the HST instruments with polarizing facilities - currently FOC, NICMOS and WFPC2. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass99/P2-21/ -- 14.1 Кб -- 11.10.2000
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4. STIS Instrument Handbook
STIS Instrument Handbook for Cycle 24 . ... Space Telescope Imaging Spectrograph Instrument Handbook for Cycle 24 > Chapter 12: Special Uses of STIS > 12.1 Slitless First-Order Spectroscopy . ... Slitless First-Order Spectroscopy . ... The use of a long slit ensures a clean separation of emission lines arising from different spatial features. ... Figure 4.8 shows an image of SN1987A observed using the 52X2 aperture, and as the source is smaller than the slit, this is effectively a slitless image. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/hst/stis/design/documents/handbooks/currentIHB/c12_special02.html -- 15.0 Кб -- 12.04.2016
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5. The 2175? feature
... Laboratory and theoretical modelling of the UV bump on the interstellar extinction curve is a very popular topic in dusty investigations. ... feature is illustrated by Fig. 10 where the profiles were calculated using the model of graphite spheres. Figure 10: Normalized extinction efficiencies for graphite spheres. ... The lower panel shows the summary extinction of two graphite spheres with radii and (from upper panel) taken in equal proportions. ...
[ Сохраненная копия ]  Ссылки http://www.astro.spbu.ru/DOP/8-GLIB/ASTNOTES/node4.html -- 13.3 Кб -- 19.11.2010
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6. Keyin Free-format Input
... Input via keyin format is of the form keyword = value . ... The input keywords are not case sensitive. Most of the values required by SCHED, except for file names in case sensitive systems like unix, are also not case sensitive. keywords are, in all cases, limited to 8 characters in length. ... Keyin values can be mathematical statements in parenthesis; for example, dur = 15 rep = (4*5) This example shows the most likely way in which this capability might be used in SCHED input files. ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/people/Tasso.Tzioumis/sched/Keyin_Free_format_Input.html -- 8.9 Кб -- 10.04.2016
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7. What was measured?
... An OBJECT column gives the name of the object observed (usually a star name). ... In critical cases, it is common practice to measure sky on two or more positions around a target object, and these positions must be identified. ... A general treatment of this problem requires a column called OBJECT, bearing the usual name of the object (as in the star tables); a column labelled STARSKY, to distinguish between star+sky, star alone, or sky alone; and additional columns to identify the sky position. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/precise/Midas_doc/doc/94NOV/vol2/node637.html -- 8.1 Кб -- 23.02.1996
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8. SSL/TLS Strong Encryption: How-To - Apache HTTP Server
... Apache HTTP Server Version 2.4 . Apache > HTTP Server > Documentation > Version 2.4 > SSL/TLS . ... Client Authentication and Access Control . ... How can I create an SSL server which accepts strong encryption only? How can I create an SSL server which accepts all types of ciphers in general, but requires a strong cipher for access to a particular URL? ... How can I allow only clients who have certificates to access a particular URL, but allow all clients to access the rest of the server? ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/manual/fr/ssl/ssl_howto.html -- 16.5 Кб -- 19.11.2015
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9. Ivan's contribution to GMT 3.2
I would like to propose two new features for the axes annotation in the GMT. 1st: In astrophysics, we often work with great ranges of values (many orders of magnitude). ... However, GMT 3.2 allows to plot annotations for log10 axes every integer log10 value or even more frequently. The proposed patch allows to specify large steps for the log10 axes, in the form illustrated by an example below. 2nd: 10^0 instead of 1, and 10^1 instead of simply 10 do not look beautiful. ... The patch is here. ...
[ Сохраненная копия ]  Ссылки http://xray.sai.msu.ru/~ivan/gmt/patch/ -- 2.4 Кб -- 10.06.1999
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Еще в разделе: (Показать все результаты (>607) - xray.sai.msu.ru/ )

10. Meade Instruments Corporation - Pictor Manual Part 3
... Meade Instruments Corporation . ... Section 3: File Menu . ... Displays the dialog to open an existing image: . ... Saves the current image as a new file name or new file type, or both. ... This can be useful to prevent having 20 or more images open at once, and saves having to close them manually. ... This is done by creating a text file with the same name as the image file. ... Note that Image Information is saved within the FITS file, so there will not be a text file to accompany these files. ...
[ Сохраненная копия ]  Ссылки http://www.meade.com/manuals/pictor/pictor3.html -- 13.0 Кб -- 01.02.2006
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11. Sensors
... European Remote Sensing Satellite (ERS-1) was launched on 17 July 1991, and the follow mission ERS-2 (with the same sensors and an Ozone monitoring instrument added) was launched on 21 April 1995. ... ERS-2 has a fixed repeat cycle of 35 days, and follows ERS-1 tracks with one day's delay. ... Swath width is 102.5 km (telemetered), spatial resolution is about 25x25 m. The Advanced SAR (ASAR) instrument is carried by ESA's ENVISAT satellite launched on 1 March 2002. ... Swath . ... Spatial Resolution...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/simp/sensors.html -- 8.2 Кб -- 25.02.2007
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