Next: Resampling with the Up: Resampling in Wavelength Previous: Resampling in Wavelength . The command REBIN/LONG can be used to apply the row-by-row dispersion solutions. To each row of the rebinned spectrum, this command will apply the closest dispersion relation. If a one-dimensional dispersion relation was estimated, e.g. by averaging the rows of the arc spectrum before wavelength calibration, the command REBIN/LONG will apply this unique dispersion relation all over the spectrum. ...

... WFC3 Data Handbook > Chapter 3: WFC3 Data Calibration > 3.2 Overview of calwf3 . ... calwf3 uses separate paths for processing UVIS and IR images, as listed in Table 3.1 . calwf3 automatically calls the appropriate tasks, but each may be run separately if the user desires some variation from the normal processing. wf3ccd and wf32d are used for processing UVIS images, while IR image processing is done with wf3ir . ... Figure 3.2 shows the calwf3 flow of data in the calwf3 pipeline . ... IR Images . ...

Next: CORRELATOR BOARDS Up: OBSERVING PROCEDURES Previous: Frequency Switching . As with any type of observing, it is always a good idea to run a few calibration scans at the beginning of, and during, your observing run to make sure that the telescope and receiver are behaving properly. At Arecibo this is done by performing a ``spider scan" (a pattern of four scans across an object, each separated in position angle by 45 ) on a standard calibration source. ...

Next: Baseline fitting Up: Basic Processing Previous: Separate reference and source Index . If you have observed the source with multiple source/reference cycles you will want to scan-average the quotient spectra together. ASAP>av = q.average_time() . ... The alternative is to use none, variance, Tsys weighting, Tsys & integration time or median averaging. ... ASAP>msk = scans.create_mask([200,400],[600,800]) ASAP>av = average_time(scans, mask=msk, weight='var') . ...

... Up: Data Analysis Applications . ... The astrometric properties of the NOAO Mosaic Imager are investigated using the new IRAF MSCRED and IMMATCHX packages and observations taken during recent engineering runs. ... The TAN projection plus cubic polynomial plate solutions and bilinear interpolation were used to combine the 8 pieces of the mosaic into a single 8K by 8K image with an undistorted TAN projection coordinate system. ... A new plate solution was computed for the combined images. ...

... As part of my PhD I worked on various submillimetre instrumentation projects for the JCMT . As part of my PhD , I worked on commissioning HARP (Heterodyne Array Receiver Project), a new array spectrograph for the JCMT . ... As part of my PhD I helped to re-design the JCMT's high-frequency receiver (RxW) to operate as part of the eSMA, using HARP-design mixers and a new optics arrangement. ... Facilities that constitute the eSMA, from left to right the CSO, JCMT and SMA. ... 2010 Emily Curtis | ...

Coherent integration of a complex observable employs a vector average, i.e. the averaging of real and imaginary parts separately, but also implies that by some other technique the vectors have been aligned to within thaire statistical error so that the result doesn't average to zero. Our observable is the complex visibility, and the alignment process is called rotation by the group delay . ... The square modulus of the function G(D') needs to be maximized, giving the group delay. ...

Separate Bkg counts Yes parameters Re-estimate Bkg GLM Draw Bkg Parameters Fit Bkg Separate lines and continuum Lines >0 Yes No No Remove RMF Blurring Sample ARF Compute Loglikelihood Begin MCMC Done? Yes No End MCMC Restore absorbed counts Draw Continuum and Metropolis-Hastings Algorithm Deround photon energy from lines Absorption Parameters with Draw line parameters (location, scale, and intensities)

Chandra Calibration: Plans, Status, Future Herman L. Marshall ( Chandra X-ray Center, MIT Kavli Institute) HRMA Cal Summary · · · · · · · · Ground calibration Reflectivity measurements on witness samples Metrology of optical surfaces Positioning ... for finite source size and distance · Testing each quadrant of each shell separately · Allowing for illumination differences to flight Flight verification Imaging star with both ACIS and HRC Effective ...

... In this paper the new IRAF MSCRED and IMMATCHX packages and data obtained during recent Mosaic Imager engineering runs on the NOAO 4m (FOV 36 arcminutes, scale 0.26 arcseconds per pixel) and 0.9m (FOV 59 arcminutes, scale 0.43 arcseconds per pixel) telescopes are used to investigate the functional form of the plate solutions, the accuracy of the plate solutions before and after resampling and combining, and the accuracy of the flux conservation in the resampling and combining steps. ...

The code calculates the extinction, scattering and absorption efficiency factors for prolate or oblate homogeneous spheroids. ... We provide the code with a test input file and two output files. A run of the code with such an input should lead to the results given in the output files. ... Parameters: . ... Values of other parameters are specified in the input file homn.dat . ... Voshchinnikov N.V., Farafonov V.G. Optical properties of spheroidal particles, . ...

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Andreyev Yu.V., Dmitriev A.S. and Pustovoit V.I. Institue of RadioEngineering and Electronics of RAS . Efremova E.V. Moscow Institue for Physics and Technology . ... Separation of a sum of chaotic signals corrupted by Gaussian channel noise into the components with a method based on chaotic synchronous response is discussed. In order to establish the response, a procedure of iterating the maps, inverse to the maps that generate the chaotic signals, is proposed. ...

... Apache HTTP Server Version 2.4 . Apache > HTTP Server > Documentation > Version 2.4 > Rewrite . ... It describes how you can use mod_rewrite to create dynamically configured virtual hosts. mod_rewrite is not the best way to configure virtual hosts. ... Virtual Hosts For Arbitrary Hostnames . Dynamic Virtual Hosts Using mod_rewrite . ... RewriteEngine on RewriteMap lowercase int:tolower RewriteCond ${lowercase:%{ HTTP_HOST }} ^www\. ([^.]+) \.example\.com$ RewriteRule ^(.*) /home/ %1 /www$1 . ...

... ACE data and predictions for "NOW" (Real-time, window update every 5 min) . ACE data and predictions for last 24 hours (Real-time) . ACE data and predictions for previous day . ACE data and predictions for 3 previous days . ACE data, energy input and predictions for the previous month . ... Latest Kp data . Latest GOES X-ray data . ... ACE RTSW data, Kp index and solar-geophysical forecast are contributed by the U.S. Department of Commerce, NOAA, Space Environment Center. ...

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... For eight samples of main-sequence disk stars, the metallicity indices 0.6 , R-1 (U-V), m1 ( ) have been calculated. The indices 0.6 and (U-B) have been calibrated to the metal abundance [Fe/H] for the spectral types F, G and K separately. ... It is found that the UBV and RI data for F- and K-dwarfs imply that the metallicity of the Sun coincides with that found for the Hyades, whereas the G-dwarfs give the well known smaller metallicity of the Sun with respect to the Hyades. ...

... In the table given at a separate sheet enumerate in growing order (from 1 to 13) the size and the mass of each object: Milky Way Galaxy, Andromeda Galaxy, Neutron star, Electron, Mercury, The first satellite "Sputnik I", Venus, Pluto, Proton, Red dwarf, Black cat, White (Polar) bear, the Sun. ... Star setting. ... Comet Lovejoy. ... Radio- (operating wavelength is about 21 cm) and optical (operating in the light visible to the naked eye) telescopes have been used to study an astrophysical object. ...

This diagram shows the effect of the 'separate' value of the 'border-collapse' property. The diagram shows a three column, two row table whose cells are subject to the separated borders model. The cells themselves have a grey background color and an 'inset' border style, which makes them appear to sink into the page. ... The table itself has a 10pt 'outset' border that gives one the impression the table is rising out of the page. ...

So you have downloaded the latest super-duper, all-doing, nice-looking plug-in for The Gimp, but you don't know how to actually plug it in. ... If your plug-in is one which does not require libraries other than libgimp (The Gimp's plug-in library) and libc (the standard C library; most C programs need this), that's all there is to it. ... To avoid having to add an entry for each new plug-in which requires the math library, you can look for the lines in the Makefile which look like this: . ...