... File . ... use frames summary class fields routine details file attributes . This file contains the procedures to perform the reference pixel correction of NIRCam data according to the report by M. Robberto, 2014 . JWST Data Processing - NIRCam Cryo tests . corrector , ramp , rp_cleaned , FILTER = FILTER . Performs referene pixel correction of NIRCam data . ... datacube of 2048,2048,N to be filtered . ... FILTER . IDL> corrector, ramp, rp_cleaned, /FILTER . ...

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• ramp_optimal_filter.pro (JWST Pipeline routines in IDL)
• optimal_smooth_fft.pro (JWST Pipeline routines in IDL)

This document discusses the conventions for combining region and table filters, especially with regards to the comma operator. Filter specifications consist of a series of boolean expressions, separated by commas. ... Region and table filters can be combined: foo.fits[circle(10,10,3),pi=1:5] or even: foo.fits[pha==1 (10,10,3),pi==2 (20,20,8,5)] In these cases, it is not obvious whether the command should utilize an or or and operator. ...

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• The AstroStat Slog particle filter
• The AstroStat Slog Blog Archive [MADS] Adaptive filter
• The AstroStat Slog Kalman filter

Digital FIR Decimating Filter for GALFA Spectrometer Documented by Wonsop Sim, July 30th, 2004 Introduction: The GALFA Spectrometer Board requires a decimating FIR filter to reduce the bandwidth from 100MHz by a factor of fourteen to 7.14MHz. ... A filter with symmetric coefficients can reduce the number of multiplies in half by pre- adding input samples. ... The coefficients have been grouped so that they correspond to the fourteen pre- added input samples that are calculated in a filter section. ...

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• lowpass digital fitlers
• Notes on Low-Pass Filter Coefficients
• lbw rf filter bank

... Two additional extensions contain the polynomial coefficients describing the distortion for all the filters. FILTER-U . ... Each extension FILTER-FilterId holds a binary table sampling the detector distortion of a specific filter at a coarse resolution ( 1 datapoint every 25 subpixel). ... The filter element is found in the column FILTER_ID. The required binary table entry is identified by matching the value of the column FILTER_ID with the State Variable FilterID. ... not applicable . ...

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• Parameters
• Filtering stage (selector)

... FIELD | ... METHOD . ... static int . ... Set this flag to have the ImageProcessor that is passed to the run() method converted to a FloatProcessor. static int . ... Set this flag if the filter wants its run() method to be called for all the slices in a stack. static int . ... Set this flag if the filter does not want its run method called. static int . ... Set this flag if the setup method of the filter should be called again after the calls to the run(ip) have finished. static int . ...

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• Filters (ImageJ API)
• Binary (ImageJ API)
• FractalBoxCounter (ImageJ API)

Next: Sky background definition Up: Background Definition Previous: Smoothing spline interpolation . The command BACKGROUND/SMOOTH enables to define the background without previous order definition. This feature is useful for example to correct for the background the image required for the order definition. ... All above methods are implemented in command BACKGROUND/ECHELLE and selected by the echelle keyword BKGMTD . ...

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• Columns REDLEAK, RLTYPE, and MAKER
• Flux Calibration
• Digital Filters

The types of respirators in use at APO are half-face, full face, and mask-style filter types. ... These respirators DO NOT supply oxygen. ... The observatory does not maintain Self Contained Breathing Apparatus (SCBA) for use and, consequently, materials that require them cannot be used. ... Whenever possible chose adequate ventilation over using a respirator. ... Oxygen monitors used for confined spaces may be used to monitor oxygen levels where respirators are required. ...

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• Astrophysical Research Consortium - Apache Point Observatory
• Guider Mechanical Commands

The nasa.gov site requires that JavaScripts be enabled in your browser. ... Contact NASA . ... The following are astronauts who are employed at NASA. Astronaut assignments and category definitions (e.g., "active" astronauts, "management" astronauts) are contained in a separate Flight Operations Directorate (FOD) policy letter. Astronaut . ... Acaba, Joseph M. 2004 . ... Aunon, Serena M. 2009 . ... Barratt, Michael R. 2000 . ... Burbank, Daniel C. 1996 . ... Cassada, Josh A. 2013 . ... 1998 . ...

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• Astronaut Biographies: International Astronauts
• Management Astronauts
• NASA - Astronaut Biographies

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Australia Telescope Online Archive (ATOA) . ... Parkes | ... Australia Telescope 20GHz Survey . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

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• Post-Correlation - Features
• Adaptive Filter (schematic)
• Pre- and Post-Correlation filters

... 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) . ...

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• Baader NEODYMIUM (Moon & Skyglow) filter

... 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. ...

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• Meade Series 4000 Broadband Nebular Filters
• Coronado 30mm Blocking Filter - Straight through - Blocking Filters -
• Meade Series 4000 Eyepieces

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

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... Jitter imaging (also known as microscanning ) is probably one of the most efficient ways to perform astronomical observations in infrared. ... This paper discusses the various issues attached to each data processing step and offers several algorithms, having in mind an automatic data processing in pipeline mode (i.e. without user interaction) as intended for the VLT. ... Poisson offset generation . ... Frame offset detection . ... Peak detection algorithm . ... Header offsets . ... Linear average . ...

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• IRAF/STECF imaging linear polarimetry simulation and reduction package
• API Help
• pyQC: Python 2.6.2

OptInt PmWiki : Pm Wiki / Categories . ... Page lists > . ... These pages are created in the Category group, and thus these subject areas are called "categories". ... A Category.GroupFooter file is included in the PmWiki release that contains the line (:pagelist link={*$FullName} list=normal:) so that whenever a category page is displayed, it will show a list of links to pages that reference that page in the category group. ... number of categories per page (not too many, not too few -- e.g. 3) . ...

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• OptInt PmWiki : PmWiki / Edit Variables
• OptInt PmWiki : PmWiki / Wiki Structure
• Building CCMTools as required by CASA Bojan Nikolic web pages (r. 329)

... Apache HTTP Server Version 2.4 . ... This document describes the use of filters in Apache. Filtering in Apache 2 . ... Filters can be used to process content originating from the client in addition to processing content originating on the server using the mod_reflector module. mod_reflector accepts POST requests from clients, and reflects the content request body received within the POST request back in the response, passing through the output filter stack on the way back to the client. ...

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• Mail Filters
• How filters work in Apache 2.0 - Apache HTTP Server

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . ... Day Star Filters, LLC . Filters for use with solar observing. ... Listed Since February 16, 1999 . ... 909) 591-4673 . ... 909) 591-6886 . Web Site . ... Web . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

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• Schuler Astro-Imaging Filters, AstroGuide Listing
• True Technology, Ltd, AstroGuide Listing
• Re: Re: Filter Based On Catalogs? - an Astronomy Net XEphem Forum Message

All stars derive their energy through the thermonuclear fusion of light elements in to heavy elements. High temperatures are required so that the mutual electrostatic repulsion of the protons in each fusing atomic nucleus is overcome. ... Elements with more protons in their nuclei require higher temperatures. ... This sequence is now shown in the animation below. ... First Step of the Proton-Proton Chain Narration . Second Step of the Proton-Proton Chain Narration . ...

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• Solar Collection and Energy Transport.
• Astro-2 and the UIT Experiment

adapted from Observe: Eclipses, published in 1979 by the Astronomical League and "Safe Solar Filters," by B. Ralph Chou, Sky and Telescope, August 1981) . ... Tape TWO pieces of film together into a sandwich, and tape this over the opening in the cardboard. ... The cardboard frame will act as a shade from the bright Sun, while you safely observe through the film sandwich. ... Undeveloped film is not safe. ... tape . ... At the end of one of the tubes, tape the aluminum foil, and make a tiny pinhole. ...

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• ASP: Light Pollution

... Up: Science Data Pipelines . ... We designed and developed a package which simulates extragalactic point source data within a given field of view and SIRTF band. ... The simulator is modular and extensible to enable multi-wavelength simulations, has been optimized by utilizing parallel processing capabilities, and will be used to test pipeline software. ... The extragalactic simulator is capable of generating large numbers of galaxies within a given patch of sky for SIRTF pipeline testing. ...

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• ASC Data Structures and Model
• Improvements in Filter Design for Removing Galactic ``Cirrus'' from IRAS Images
• Automated Globular Cluster Photometry with DASHA

... It includes level converters and a optional radio modem designed to decode the radio timecode signals transmitted by the Canadian time and frequency station CHU. A complete set of schematics, PCB artwork, drill templates is in the pub/ntp/gadget.tar.Z file on ftp.udel.edu. ... One of these converts a TTL positive edge into a fixed- width pulse at EIA levels and is for use with a timecode receiver or oscillator including a TTL PPS output. ... See the schematic diagram gadget.s01 for reference. ...

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• CoolType - Chrome
• APOD: 2003 May 15 - Moon Slide Slim
• APOD: 2008 February 20 - Moon Slide Slim