XMM-Newton Science Analysis System Page: 1 omgprep Vladimir Yershov (MSSL, vny@msll.ucl.ac.uk) September 26, 2008 Abstract The task omgprep prepares the OM grism image for detection and extraction of spectra (introduces distortion corrections, properly rotates the image, etc.) ... The OM optics have a small amount of distortion, and the CAL call omDistortion is used to get the o sets of the pixel position from a linear scale. ... OM OSW FITS image (as produced by ommodmap) 9 Output Files 1. ...

... Next: Star Finding and Up: Image Restoration and Previous: Multiresolution and Astronomical . ... Design improvements continue to be made in the filter developed using mathematical morphology principles for the Infrared Astronomical Satellite ( IRAS ) images. The purpose of this filter is to eliminate Galactic cirrus emission from extragalactic fields. ... With an appropriate normalization, the filter curve was applied to each pixel in the image to remove the Galactic cirrus. ...

... Directives | ... Apache HTTP Server Version 2.4 . ... ext_filter_module . ... mod_ext_filter directive to define a filter # to HTML-ize text/c files using the external # program /usr/bin/enscript, with the type of # the result set to text/html ExtFilterDefine c-to-html mode= output \ intype=text/c outtype=text/html \ cmd = /usr/bin/enscript --color -W html -Ec -o - - Directory /export/home/trawick/apacheinst/htdocs/c # core directive to cause the new filter to # be run on ...

... Figure: A dark current CCD exposure with cosmic ray events which are removed with non--linear filters. ... Figure shows a CCD dark current exposure with cosmic ray events. ... Figure: Removal of cosmic ray events on a CCD spectral exposure with different techniques: (A) original, (B) median filter, (C) recursive filter and (D) stack comparison. ... For comparison with non--linear filter techniques, Figure D shows removal of cosmic ray events from the spectral frame discussed above. ...

For all keywords that contain a red and a blue value, the blue value comes first. ... The full pathname, but without the trailing "b.fit" and "r.fit", that would be given to the next exposure if the basename argument is not given to the expose command. ccdHeaters=float,float . ... bluelambda2=float [M] . The center wavelength for the given grating: the 1 or 2 indicates the grating bay. The bluelambda and redlambda keywords match one set of these, depending on the position of the turret. ...

... PolA intermod (spectra) for azimuths 123-128 (.ps) ( .pdf ) . ... the rfi power at a particular freq vs azimuth for the 4 az swings (.ps) ( .pdf ): . ... Az swing dynamic spectra . PolA intermods from tv stations . ... There is a cavity filter in front of the 430 dome lna. ... 4 azimuth swings were done (2 in the morning, 2 in the afternoon) to see if there were any tv station intermods with the filter removed. ... PolA . ... Top: average spectra for each az swing. 2nd: blowup of average spectra . ...

... GPI Data Pipeline 1.0 documentation . GPI IFS Data Handbook . ... GPI Data Formats . Multi-Extension FITS format . ... Data quality flags extension ?DQ? ... This extension will contain a 8-bit integer flag for each pixel in the main image array. ... Bit 5 may be written by the data pipeline, which can also modify bit 0. bit 0: bad pixel, do not use if set. ... bit 5: [work in progress] flagged as bad pixel by data pipeline using time-dependent bad pixel map from calibration database. ...

Target: M31 and M32 Date: 2012-11-22 Time: 00:22 to 00:52 Telescope: FSQ Camera: Apogee 9000 Filters: UBVRI Exposure time: sum of 4 frames at 100 seconds each Observer: John Kielkopf Processing: John Kielkopf Gradient in sky background removed with imlevel after dark and flat correction WCS headers added with astrometry.net. Headers tweaked to force coincidence in ds9 for rgb processing. Color image from ds9 with sqrt mapping of R, V, B to r, g, and b, 1 pixel smooth. ...

... Posts tagged ?particle filter? ... Astronomers have developed their ways of processing signals almost independent to but sometimes collaboratively with engineers, although the fundamental of signal processing is same: extracting information. ... This particular issue of IEEE signal processing magazine may shed lights for astronomers interested in signal processing and statistics outside the astronomical society. IEEE Signal Processing Magazine Jul. ... ArXiv] 3rd week, Dec. ... Entries RSS . ...

The revision of the MASS/DIMM star catalogue N. Shatsky, V. Kornilov March 16, 2008 Abstract The compilation of the (updated) version of the MASS (MASS/DIMM) device target catalogue is described. ... Then the list was cleaned according to following criteria: I. Remove stars too faint for a MASS device. ... Here the color equation of the Sternb erg device was taken: M AS S mag = V mag + 0.45 (B - V ); stars with M AS S mag > 3.2 were removed. ... This was made based on the GCVS4.2 catalogue data. ...

... As piles of ash are removed, the courtyard haтАж . Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . ... Title: As piles of ash are removed, the courtyard has the top few cm of contaminated soil removed as well. Description: NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. ... As piles of ash are removed, the courtyard has the top few cm of contaminated soil removed as well. ...

... Meade Instruments Corporation . ... Meade Pictor 616A Color Filter System Instruction Manual . ... Remove the Meade Pictor 616A Color Filter System from the telescope or camera. Use the supplied hex wrench to remove the three screws from the telescope side of the Meade Pictor 616A Color Filter System. Position your Meade Pictor 616A Color Filter System to align with the diagram below. ... Carefully screw each filter into the wheel, and re-assemble the Meade Pictor 616A Color Filter System. ...

Cancellation of GLONASS Coarse Acquisition Code by Parametric Modelling. ... Tracking of the carrier centre frequency and code phase allows the generation of a first-order estimate of the signal. ... TELESCOPE IF OUTPUT + UPCONVERT FROM ZERO-IF DOWNCONVERT TO ZERO-IF ESTIMATE CARRIER PHASE GLONASS CENTER FREQ ESTIMATE CODE DELAY SYNTHESISE GLONASS BANDPASS CORRECTION FILTER ESTIMATE COMPLEX MAGNITUDE In this system the antenna signal is down-converted to ZERO-IF. ...

2009-05-20 O.Hainaut There are many steps between the data coming out of a camera on a professional telescope and the final image that appears in magazines or on our web sites. ... preliminary: from the telescope to Photoshop. cleaning: remove the artifacts remaining in the image . ... In each filter, several images are acquired. ... Fig 1: a raw image (click for full scale) . ... At this stage, the images are still in FITS, the astronomical format, with one FITS file per filter. ... The final image. ...

Processing the Viking Orbiter Images . ... Contrast Enhancement . ... Image Processing of Images of the "Face on Mars": A Cautionary Tale . ... In the figures below, the general flow of processing for Viking Orbiter data is outlined, illustrated with the best two images of the "Face"(Figure 1). ... Figure 1: Raw (top) and contrast-enhanced raw (bottom) enlargements of 035A72 (left) and 070A13 (right). ... Figure 3: Increasing the contrast of the "face" images (035A72 (left) and 070A13 (right)). ...

... The change in the temperature dependence of the resistance, R ( T ), of ceramic YBa 2 Cu 3 O 7 - x as oxygen is removed from the sample has been studied. The superconducting transition temperature shifts progressively downward in the process. ... The temperature dependence of the resistivity, ( T ), is linear, with a progressively increasing slope, only at T > 400 K. It is suggested that oxygen condenses on Cu-O chains at T 400 K. PACS: 74.60.Mj, 74.70.Vy, 81.40.Rs, 72.80.Ga ...

. To remove a file use the command: rm [option] filename . To remove a directory use the command: rmdir directory_name . or rm -r directory_name . You cannot retrieve a file or directory that has been removed; it has been removed permanently. Removing files . Removing directories .

This module provides for the customization of HTTP response headers. ... This module provides a directive to control the sending of HTTP headers. ... Header . ... Syntax: Header set|append|add header value . ... Module: mod_headers . This directive can replace, merge or remove HTTP response headers during 1xx and 2xx series replies. ... set . The response header is set, replacing any previous header with this name . ... The response header is appended to any existing header of the same name. ...

. Discovery returns to the Orbiter Processing Facility bay 3 where Raffaello, the Multi-Purpose Logistics Module, sits inside. The module, which contains trash and equipment removed from the International Space Station, will be removed from Discovery's payload bay and transferred to the Space Station Processing Facility. NASA/KSC

... Обзор LPR фильтра. Впечатления от наблюдений с LPR фильтром. ... Характеристики цветных фильтров Baader-Planetarium . Мой перевод pdf- файла о фильтрах с сайта Baader-Planetarium (379 кб) . ...