Coordinates of object : réduction 15:27:50.96 29: 6:31.6 senior Time of observations : @ reduction magasin UT 7: 8:24 (HA.220 hr) Total exposure time :.0 s Cosine latitude of observatory :.941 Heliocentric velocity of Earth towards star : -17.380 km/s Julian date esprit of observation : 2453252.7975.
S Name of file to read geometry reduction info from : results/geom27oct.
Equivalently, the readout noise will be about 8 times the accuracy of the bias esprit fit.Do you have calibration information : yes Name of file to read calibration table from : results/calib27oct.Here is an example of a run, with excepts of the output produced: Byte swap on fits files Flat field : Name of file to read fits data esprit from : spec/18oct2004/ts spec/18oct2004/ts test object' ) Th/Ar : Name of file to read fits data from.A good or typical value for the Rms accuracy of fit to order position.02-0.03px.Note the difference in scale between both axes.Cfht provides a SuperMongo-based display tool.0.233 km/s (Order #22 : pix0 1007.2233 nm; dlam.0103182 nm/pix; quad -3.02481e-07 nm/pix2) Identifying comparison reduction lines in order #23.The rms is first obtained per pixel, then transformed per km/s.Dat Detector gain (e/ADU) and read-out noise (e) :.270.260 Optimal extraction of spectrum (y/n) : yes Rejection threshold default.0 :.0 Name of file to read bad ccd pixel list from : Trimming and transforming data files.Here reduction is a typical run, with the output produced by the the routine: sncf Uncalibrated spectrum of comparison lamp : Name of file to read Stokes I profiles from : results/thor27oct.The curvature has to be taken into account (fit) by the software.The Initiative reinforces the School of Musics and School of Theatres long-standing emphasis on collaboration to produce the Colleges operas.Dat Back to top In the following step, optimal extraction of each order is performed, using the curvilinear reduction coordinate system set up with geometry and wcal. A low rejection threshold will leave more undesirable pixels, while a high rejection threshold will remove too many pixels (including good ones).
The bias is used to do a 2-dimensional fit of the code background, averaged in reduction 8 by 8 pixel boxes.
Photo by Amy Franceschini/Futurefarmers.
Order # 60 is centred at code column #1893.1 (vertical range: pxl) Order # 61 is centred at column #1977.8 (vertical range: pxl) Measuring order curvature.
The graphical result of this operation graph shows the estimated and rocher fitted lateral shifts of the 40 orders with respect to their position at mid livre CCD, plotted as a function of row number (circles depicting measurements and lines representing the fit).
Order # 61 limited from pix 1625 to 3363 Rms accuracy of 2d fit to order location :.029 pix Building coordinate system.The Effect of Gamma Rays on Man-in-the-Moon Marigolds, in which a self-destructive mother vents her unhappiness on her daughters, code portrayed by Celia Pain and Casey Tucker (14 to Howard Brentons sweeping.Dat Order to be calibrated first : 32 Do you want to use an a priori wavelength calibration table (y/n) : yes Name of file to read calibration table from : Name of file to read th-ar line wavelengths from : /h/espadons/esprit/src/c Identifying comparison lines.Here is the table of content for this page: Libre-ESpRIT also comes with a script to automatically reduce whatever data has offre been obtained so far during the night.Order # 22 : columns -14.4.6 Order # 23 : columns -14.4.6.All relevant information about Libre ESpRIT can be found in : Donati J-F, reduction Semel M, Carter BD, Rees DE, Cameron AC: 1997, mnras 291, 658 Donati J-F, Catala C, rocher Landstreet JD, et al: 2006, mnras (in preparation) Syntax: libre_esprit -scNiplkdrwo date arguments: date: local date.The frames needed for the routine geometry are: one bias *ts (only one is needed) one average flat (from usually about a dozen *ts) one ThAr exposure *ts and, in the polarimetric mode and the 'star only' mode, one Fabry-Perot exposure *ts The program assumes.The typical rms precision code of the derived wavelength calibration at any prestige given pixel is about 150m/s.Resilience is survival with panache.Collapsing order #60 Collapsing order #61 Name of file to save Stokes code profiles to : results/thor.The keyword for the College of Fine Arts was resilience, a term that readily applies to CFA students and their daring works.As opposed to ESpRIT (which can be distributed to its prestige users it has been decided.-F.