... Linear limb darkening coefficients are taken from tables published by Van Hamme (1993, AJ 106, 2096). limb_stars Compute limb darkening fit coefficients for all stars. limb_star ( spectrum _char , filter _char ) Function. Return linear limb darkening coefficient integrated over specified bandpass. Example: print, limb_star('G0I','V') . ... Return factor to multiply the uniform disk diameter with in order to get a limb darkened diameter using the specified linear limb darkening coefficient. ...

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• Comparing AO Techniques | ESO
• Operations with DFOS: daily workflow, the simple model
• productExplorer

Russian Version [ MS-Win ] . ... Satellite data ] . ... The program is a powerful tool for multi-purpose image analysis and processing. It operates on files in main standard image storage formats: TIFF, BMP, GIF, PDF. The program contains a rich collection of operations for visual image quality improvement: linear and logarithmic normalization, equalization, brightness transformation by arbitrary look-up table, etc. ... ALMAZ-1 satellite data processing . NOAA satellites data processing . ...

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... Tonight's Sky . ... The Magazine . ... Observing . ... Magazine . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Maximize a minimum filter . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

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• Filtered solar views | Astronomy.com
• filter | Astronomy.com
• How do light pollution filters work? Do they actually help? | Astronomy.com

... Lucas (2000) also mentions the possibility of using the 183 GHz Water-Vapour Radiometers (WVRs) to correct for the emission. A correction based on the WVRs would largely remove the noise due to atmospheric emission, but would also add thermallike noise due to the noise within the radiometer itself. ... 125 100 K /m m K /m m 3 CORRECTING ALMA TOTAL-POWER OBSERVATIONS Each of the 12-m ALMA antennas will have a 183 GHz water vapour radiometer fed from the centre of the focal plane of the antenna. ...

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• http://www.mrao.cam.ac.uk/projects/OAS/pmwiki/uploads/MROIDelayLine.DesignDocumentation/vmesoftware.pdf,1184145100
• http://www.mrao.cam.ac.uk/projects/OAS/pmwiki/uploads/MROIFastTipTilt.TechMeet3/FTTS_sw_req.pdf
• http://www.mrao.cam.ac.uk/~bn204/mk2/publications/2003/nam2003-aod2003-poster.pdf

... BOM2 and the basic block of solar limbograph including pointing and control systems ? ... Fine tracking platform (FTP) for Sun tracking by the sight axis of the limbograph; . ... Tracking system frequency ? ... Controller of the control system and solar fine tracking of the sight axis of the limbograph; . ... The basic relative construction of the elements and instrumental blocks of the "Astrometria" space experiment is shown on the block diagram of units within the complex of SL-200 solar...

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... to_tsvector( [ configuration , ] document TEXT) RETURNS TSVECTOR . Parses a document into tokens, reduces the tokens to lexemes, and returns a tsvector which lists the lexemes together with their positions in the document in lexicographic order. strip( vector TSVECTOR) RETURNS TSVECTOR . ... Returns the number of lexemes stored in the vector. text ::TSVECTOR RETURNS TSVECTOR . ... The text should be formatted like the vector would be printed by the output of a SELECT . ... Query Operations ...

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• Using Channel Ops with GIMP
• Query Operations
• NIST Modem Time Service

... Parameters . Filters . ... Direct images . ... The SCORPIO-2 project: . Spectral Camera with Optical Reducer for Photometric and Interferometric Observations - 2 . The broad-band glass filters made in SAO RAS are used for the observation in the Johnson-Cousins (UBVRI) photometric system in the direct images mode. The glass filters transmission curves are shown by solid line. ... The filters transmission curves of the `comets' filters measured with the SCORPIO-2 in the F/4 beam. ...

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• SCORPIO-2 project: description
• LSVFO: SCORPIO filters
• DINACON

The original files with the data were in different formats. ... Such files were named "standard data files" and linked to the database. They can be easily transformed to any desirable format by a code. Here we present two simple computer programs of this kind. ... When running the code, you can specify columns in the output file: wavelength, energy (eV) or wavenumber (cm -1 ) as the first column, and complex refractive index or dielectric function as the second and third columns. ...

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• Textbook on Computer technology for pupils
• Database of Optical Properties -- Level: subpage

... To overcome this limitation we propose Cryogenic Phase Locking Loop (CPLL).The CPLL has been developed for phase locking of a Flux-Flow Oscillator (FFO) in the SIR. ... The CPLL operating frequency has been increased from 400 MHz up to 4 GHz to decrease a loop filter delay to 0.5 ns. ... We have realized an integrating loop filter for the CPLL. ... Phase noise of the FFO phase-locked with: "1" ґRT PLL; "2" ґ CPLL without integrating loop filter; "3" - CPLL with integrating loop filter. ...

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• http://www.cplire.ru/html/lab234/pubs/2007_08.pdf
• http://www.cplire.ru/html/lab234/pubs/2014_25.pdf
• http://www.cplire.ru/html/lab234/pubs/2008_10a.pdf

Astronomy Picture of the Day . Sun vs Super Moon . ... To make it, the Full Moon on May 6 was photographed with the same camera and telescope used to image the Sun (with a dense solar filter!) on the following day. ... And for some the New Moon will be surprisingly easy to compare to the Sun, because on May 20 the first solar eclipse of 2012 will be visible from much of Asia, the Pacific, and North America. ... Publications with keywords: full moon - perigee - apogee - solar eclipse . ...

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• Journal "Peremennye Zvezdy"
• XWare > APOD

... It is precisely these values that are displayed as O ? C. In case computed positions of minor planet for all or some part of moments are found without accounting for perturbations, the corresponding moments are followed by asterisk (without perturbations are computed positions for all minor planets if moments of their observations lie outside the basic interval of 16 months or for ordinary ... The coordinate system and type of computed positions are indicated in status bar. ...

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• ENGAMPLE
• Keywords_262
• NAA 2005-2006 (preface)

... Fit the ring around the equator and then change its inclination from 0 degrees (equatorial orbit used by geosynchronous satellites) to 28.5 degrees (space shuttle orbit) to 51.6 degrees (space station orbit) to 90 degrees (polar orbit used by spy satellites). by Rob Landis, Space Telescope Science Institute . ... With so many satellites now in orbit, it is likely that you have seen an artificial satellite zipping across the night sky. ... http://www.amsat.org/amsat/ftpsoft.html . ...

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• ASP: Eclipse Watching: Making a Solar Filter
• ASP: Star Science in the Autumn Sky
• ASP: A Taste of Real Astronomy ? The ESA/ESO Astronomy Exercises

... 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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... I have compiled a list of throughput filter curves from a variety of telescopes, instruments, and surveys. Click on the name of the filter to download it. The first line of each filter is the zeropoint for that filter. If the filter is in the AB system, it is listed as 0.0 (or in otherwords -48.55). ... Filter . Effective Wavelength . ... A_V . ... 0.987 . ... 0.050 . ...

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• Index of /~bessell/FTP/Filters
• Pink Black Holes: Frequently Asked Questions
• Index of /~bessell/Filters

... Original Xiaomi Mi Position Activated Carbon Filter . Brand: Xiaomi . ... Package Contents: 1 x Original Xiaomi Mi Position Activated Carbon Filter . Цвет: узор черный/экрю . ... Цвет: серебристый . ... Цвет: серый . ... Пол: Женский . ... Цвет: Синий . ... Пол: Для девочки . ... Джинсовая куртка темно-синего цвета марки MAYORAL для девочек. ... Цвет: белый . ... Цвет: Черный . ... Пол: Мужской . ...

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• Технологичные квесты в Москве Колбаса Велком Докторская вареная
• Платье Aurora Firenze - Aurora Firenze - Aurora Firenze Zomei 82mm UV

... F,L,IRREGULARSHAPE,R=F Dec 19 2006 31 Dec 19 2006 31 Nov 22 2006 8 IC 2163 17mmT4 11mmT6 R,PL, OVAL ,NND,R=F VF,VS,EL,NND,AV,R=F Galaxy SB(rs)c pec Dec 19 2006 31 Feb 10 2005 8 IC 2165 17mmT4 Planetary Neb 3b VB,PS,R=G, NO CENTRAL STAR Dec 19 2006 31 IC 2171 17mmT4 PF,CS, OVAL ,NND,R=F Galaxy IB(s)m: Dec 19 2006 31 NGC 2204 ... OIII FILTER PB,EL,PATCH,R=E,HINT-NEBULOSITY,NO FILTER NGC 2360 19mmW 12x50 25mmPL H12-7 Open Cluster 10.4 I 3 r CL,VL,RI,PC,ST9.. ...

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• http://www.wro.org/neumann/RNGC_by_Constellation-Mon.pdf
• A brief tour page 6
• Benefits of Membership

My colleagues and I have recently completed a series of observations of SN1999an. ... The telescope is located at Martin Observatory in Blacksburg, VA, and is operated by the Physics Department of Virginia Tech. Our IAU Minor Planet Center Observatory Code is 841. ... Attached you will find a copy of one of our images (in .jpg format) with the supernova indicated. ... Virginia Tech Department of Physics . Back to Bright Supernovae . Back to Supernova 1999an . ...

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• Common problems
• Supernovae 2016adj in NGC 5128
• Supernova 1998S in NGC 3877

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
• Re: Re: Filter Based On Catalogs? - an Astronomy Net XEphem Forum Message
• Re:Suggestions For Light Pollution Filters Wanted - an Astronomy Net Eyepieces

... Mass . 17a. Measuring Mass . ... A medium-size (1.25 inch wide) binder clip, as is used in offices to hold papers together--the type made of flat blue steel, with two wire handles. ... The theory predicts that the oscillation period should be proportional to the square root of the oscillating mass, including the mass of the clip. Note that gravity plays no part here: the oscillation period would be the same on the Moon or in zero-g. Denoting square root by SQRT, we have . ...

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• STDA files
• Examples of the raw magnetic field information, obtained with the MIF-M
• OFO IKI / SIOK

Stellarium 0.12.3 . ... Classes . ... Class List . ... gSatWrapper Class Reference . ... This operation update Epoch timestamp for gSatTEME object from Stellarium Julian Date. ... Vec3d   . ... This operation isolate gSatTEME getPos operation. ... This operation isolate gSatTEME getVel operation. ... This operation compute the slant range (distance between the satellite and the observer) and its variation/seg. ... Reference to a output variable where the method store the slant range measured in Km . ...

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• Stellarium: gSatTEME Class Reference
• Stellarium: Class Hierarchy
• Stellarium: gTime Class Reference