Next: Bivariate polynomial interpolation Up: Echelle Spectra Previous: Removal of particle . The estimation of the background is one of the critical points in the reduction of echelle spectra for two reasons. ... diffuse light in the interorder space coming from adjacent orders. sky background spectrum . ... These locations are defined when performing the order definition (command DEFINE/ECHELLE or DEFINE/HOUGH ) and can be displayed by command LOAD/ECHELLE . ... Sky background definition . ...

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• Order definition: Method Hough
• HwB: SCSI Information
• Order Definition

... Computing the true count rates for digital data. ... The following equation is used to find the count rate. x = ( raw counts / sample time ) . ... True count rates for digital data are corrected by using the first equation for a point source and the second for an extended source. a = ( y - pre_amp - darkrate ) / ( highvolt x pt_effic ) . ... True photocurrents (count rates for analog data) are corrected by the first equation for point sources and the second equation for extended sources. ...

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• http://www.stsci.edu/~miller/papers-and-meetings/99-ADASS/cod/abstract.txt
• http://www.stsci.edu/hst/HST_overview/documents/multidrizzle/ch44.html
• Kermit Keywords

It seems that every time I try to correct for a pointing error, I have to figure out the sign of the pointing error as reported by the various routines. The pointing error is computed using the heiles calibration scans and by using the turret scans. ... The center of the pattern is the "computed" position of the source using the ra,dec transformation to az,za and any current pointing model. ... X0, Y0 are reported as the error. ... So for turret scans, Add the az,za error to the pointing model. ...

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• spectrometer counts to kelvins

lsst.tcc љ 1.2.2-3-g89ecb63 . ... Files . ... python . ... axis . coordConvWithFP.py . ... 22 љ def coordConvWithFP (fromCoordSys, fromPVTPair, fromPxPMRadVel, fromDir, toCoordSys, obj, inst, zeroPM, useGSWavelen): . 23 љ """!Convert a coord from one coordinate system to another . ... 35 љ @param[in] obj object block computed at desired desired TAI date of conversion . ... 50 љ obj = tcc.base.Obj(obj) # make a copy so I can change obj.site if useGSWavelen . ... tcc.axis.rotFromObs.rotFromObs . ...

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• lsst.coordConv: coordConv::PVT Class Reference
• lsst.coordConv: coordConv::PVTCoord Class Reference
• lsst.coordConv: src/appTopoFromObs.cc Source File

... Indeed, one alteration of orbits can be the outright ejection of a planet. When several big planets are orbiting a star under each other's influence, the system is inherently unstable. ... We know of no good reason why the smallest objects with fusion should have the same mass as the smallest objects that can form by themselves. ... 6) Mission Definition . ... I don't think this mission is impossible, and will suggest a definition in a future article in Mercury. ... Good luck! . ...

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• ASP: Pluto By Any Definition?

... casa::MomentClip< T > . ... MomentClip ( Lattice < T > *pAncilliaryLattice, ImageMoments < T > &iMom, LogIO &os, const uInt nLatticeOut) . ... process (T &out, Bool &outMask, const Vector < T > &in, const Vector < Bool > &inMask, const IPosition &pos) . ... We also need the ImageMoments object which is calling us, the ImageMoments logger, and the number of output lattices ImageMoments has created. template<class T > . ... const Vector <T>* casa::MomentClip < T >:: pProfileSelect_p [private] . ...

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• casacore: casa::MedianSlider Class Reference
• difx:clusterdef [ATNF VLBI Wiki]
• casacore: casa::SparseDiffX< T > Class Template Reference

Stellarium 0.12.3 . ... Classes . ... FileљStructure . ... Atmosphere Class Reference . ... More... #include < Atmosphere.hpp > . voidљ . computeColor (double JD, Vec3d _sunPos, Vec3d moonPos, float moonPhase, StelCore *core, float eclipseFac, float latitude=45.f, float altitude=200.f, float temperature=15.f, float relativeHumidity=40.f) . ... Get fade in/out duration in seconds. ... getFlagShow () const . ... getFadeIntensity (void) const . ... Definition at line 40 of file Atmosphere.hpp . ...

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• Stellarium: gSatTEME Class Reference
• Stellarium: core/StelSphereGeometry.hpp File Reference
• Stellarium: Extinction Class Reference

It all started back in 1979 when the diskdrive manufacturer come with the bright idea to make a new transfer protocol. ... This protocol wasn't an ANSI standard, so NCR join Shugart and the ANSI committee X3T9.2 was formed. The new name for the protocol was, Small Computer Systems Interface, SCSI. ... ANSI finished the SCSI standard in 1986. SCSI-II devices was released in 1988 and was an official standard in 1994. ... SCSI is in opposite to IDE/ATA very flexible. ...

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• HwB: Universal Serial Bus (USB) (technical) Connector (Offline)
• Finding definitions in the source
• SMP: Two Definitions?

... spectrum . ... nsource <n> : choice of source function (def: 3=Feautrier) . noptype <n> : choice of continuous opacity (def: 1=Kiel) . nhedat <nhedat> : choice of HeI data (BCS or Mon treal) (def: 1=BCS) . ... read_model <filename>: read model atmosphere in QUB/STERNE2 format . ... wavmax <w_max> : distance from line centre to compute . ... nvturb <n vt > : number of points in -dependent v turb . ... tau_exp <n> : increase resolution of optical depth scale by adding additional points . ...

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• Definition of Scientific Misconduct
• High Performance Computing Course
• Computer Systems

... Content Model: Optional list header (LH), followed by one or more terms (DT) and definitions (DD). A definition list is a list of terms and corresponding definitions. Definition lists are typically formatted with the term on the left with the definition following on the right or on the next line. ... The definition list element can take the COMPACT attribute, which suggests that a compact rendering be used, and is appropriate if the list elements are small and/or the entire list is large. ...

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• Acknowledgments

... Posted by hlee . ... There are three distinctive subjects in spatial statistics: geostatistics , lattice data analysis , and spatial point pattern analysis. ... Category: arXiv , Astro , Imaging , Jargon , Methods , Stat | ... Algorithms arXiv Astro Bad AstroStat Bayesian CHASC Cross-Cultural Data Processing Fitting Frequentist Galaxies gamma-ray High-Energy Imaging Jargon Job Languages MC MCMC Meta Methods Misc News Nuggets Objects Optical Physics Quotes Spectral Stars Stat Timing Uncertainty X-ray...

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• The AstroStat Slog sparse
• The AstroStat Slog Stein
• The AstroStat Slog point pattern analysis

... Forum . ... Recent Topics . ... MAO main . Info . Definition of Polarization Angle . ... От: "Claus Leitherer" . ... Тема: Definition of Polarization Angle . ... Please take note of the attached IAU recommendation concerning the definition . of the polarization angle in astronomical measurements. ... www.mao.kiev.ua/images/postbyemail/Polarization.pdf . ... Board Categories MAO main - Info - MAO - news - Flame Technical - Technical Support(Forum)(Техподдержка(Форум)) . ... MAO NASU . ...

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... Meta Index / Home Page / Description . ... opticsxy . DESCRIPTION . opticsxy computes for each instrument the intersection point of the optical axis of the respective telescope and the focal plane. The result in given in CHIPCOORD coordinates of the CCD containing the intersection point. The numbers can be used as CCD MiscData attributes OPTICS_X / OPTICS_Y (+ OPTICS_CCD ). ...

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• srcinfov: compute position of SouRCe in Field Of View

... A baseline vector is oriented from telescope 1 to telescope 2, i.e. the baseline coordinates are the coordinates of station 2 minus the coordinates from station 1. In the aperture plane, the coordinate increases to the East, and the coordinate increases to the North. ... In PEARL, a map on the sky is allocated with the -coordinate corresponding to RA, which increases to the left (East). The relationship between visibility and map is then . ...

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• ESO - Are there order definition frames with spatial information, i.e. using 9
• VLTI Calibrator Selection Help Page
• ESO - Observing conditions: definitions

... However, init, like almost all programs, uses functions from libraries. ... It comes from the standard C libraries, on a GNU/Linux system, glibc. ... They are libraries of these functions. ... There are two ways programs can use these library functions. ... For example, here are the libraries that bash uses: . ... Use ldd to find out what libraries init uses. ... Write, compile and link a program that uses this library. source code, see Building a Minimal Linux System from Source Code for urls . ...

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• Mathematics: <math.h>
• list.c
• NEdit.org

... This is the HTML 4.0 Frameset DTD, which should be used for documents with frames. ... ENTITY % HTML.Version "-//W3C//DTD HTML 4.0 Frameset//EN" -- Typical usage: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN" "http://www.w3.org/TR/REC-html40/frameset.dtd"> <html> <head> ... </head> <frameset> ... </frameset> </html> --> <!ENTITY % HTML.Frameset "INCLUDE"> <!ENTITY % HTML4.dtd PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> %HTML4.dtd; . ...

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• Long description for the illustration of a pixel's definition
• Dynamic HTML in Communicator
• Conformance: requirements and recommendations

spaceweb@oulu.fi - last update: 1 July 1998, 1200 UT (RR) . ... Relates the wave number k to the wave frequency. ... From the equation of motion , m d v /dt = q( v x B ) one can calculate that, in a presence of magnetic field B , a charged particle is accelerated in direction perpendicular to both v (perp) and B . ... The angle a between magnetic field B and velocity vector of a charged particle, v ., i.e., sin a = v(perp) / v(total), where v(perp) refers to the velocity component perpendicular to B . ...

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• Welcom to CONPAS workshop
• Discontinuities and shocks [Oulu]

... Survey processing . ... ESO - Public Surveys . ... The Survey Areas Definition Tool is part of the VISTA Data Flow System Project (a separate project to the VISTA Project) and was delivered to ESO for use with VISTA and (later) VST. ... The SADT and can be found via the ESO SADT page and includes inter alia . ... The Y overlap value set in SADT controls how the Y edges of adjacent tiles overlap. ... Y overlap 0/60 efficiently uses the one time covered regions to make a 2x covered region . ...

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def DER_SNR ( flux ): # ===================================================================================== DESCRIPTION This function computes the signal to noise ratio DER_SNR following the definition set forth by the Spectral Container Working Group of ST-ECF , MAST and CADC. signal = median ( flux ) noise = 1.482602 / sqrt(6) median ( abs (2 flux _i - flux _i-2 - flux _i+2)) snr = ...

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