# #+++++++++++++++++++++++++++++++++++++++++++++++++++++++ #.COPYRIGHT (C) 1993 European Southern Observatory #.IDENT irspec_short.hlp #.AUTHOR Cristian Levin (ESO/La Silla) #.KEYWORDS Infrared spectroscopy, Irspec #.PURPOSE This is the help file for the short help # feature of XIrspec. # #.VERSION 1.0 Package Creation 17-MAR-1994 #------------------------------------------------------- # ~MAIN_T_OBJECT Object frame ~MAIN_T_SKY Sky frame ~MAIN_T_STSTAR Standard star, frame A ~MAIN_T_STSKY Standard star, frame B ~MAIN_T_DARK Dark frame ~MAIN_T_FLAT Input flat field frame ~MAIN_B_BADPIX Define table containing the coordinates of bad pixels ~MAIN_B_FLAT Create a normalized flat from the input flat frame ~MAIN_B_FLUX_TABLE Create a wavelength vs. flux table for a given standard star ~MAIN_B_STANDARD Reduce standard star frame(s) and create response frame ~MAIN_B_OBJECT Reduce object frame ~MAIN_B_EXTRACT Extract a 1-D spectrum from a flux calibrated frame ~MAIN_B_MERGE Merge overlapping 1-D spectra (images) into single table ~BADPIX_T_THRES1 low threshold ~BADPIX_T_THRES2 high threshold ~BADPIX_T_FRAMES only if selection mode = relative ~BADPIX_T_TABLE Table containing coordinates of bad pixels; default = irsbadpix.tbl ~BADPIX_B_DEFINE Create user-defined bad pixel table ~BADPIX_B_APPLY Clean image of fixed pattern of bad pixels ~OBJECT_T_REF Reference frame for interactive wavelength calibration ~OBJECT_T_RESP Input 1-D response image previously created from standard star ~OBJECT_T_FINPUT Input frame ~OBJECT_T_FOUTPUT Output frame ~OBJECT_T_FACTOR Multiplication factor of sky frame, to correct for intensity variation ~OBJECT_T_SHIFT Wavelength shift of sky frame, to correct for grating motion ~OBJECT_T_DELTAX Delta x ~OBJECT_T_DELTAY Delta y ~OBJECT_T_SKY_TABLE Optional table containing the regions of the image without object emission ~OBJECT_T_CUTS1 cuts to be used in loading the image ~OBJECT_T_CUTS2 cuts to be used in loading the image ~OBJECT_B_REDUCE Subtract sky and perform wavelength calibration ~OBJECT_B_FLUX Flux calibration using specified response frame ~STANDARD_T_REF Reference frame for interactive wavelength calibration ~STANDARD_T_FLUX Previously created MIDAS table with :wl and :flux for standard ~STANDARD_T_RESP Output 1-D image containing instrumental response ~STANDARD_T_YRESP1 Lower row for lower star ~STANDARD_T_YRESP2 Upper low for lower star ~STANDARD_T_YRESP3 Lower row for upper star ~STANDARD_T_YRESP4 Upper row for upper star ~STANDARD_T_FACTOR Multiplication factor for sky frame, to correct for intensity variation ~STANDARD_T_SHIFT Wavelength shift for sky frame, to correct for grating motion ~STANDARD_T_DELTAX Delta x ~STANDARD_T_DELTAY Delta y ~STANDARD_T_SKY_TABLE Optional table containing the regions of the image without object emission ~STANDARD_T_CUTS1 cuts to be used in loading the image ~STANDARD_T_CUTS2 cuts to be used in loading the image ~STANDARD_B_REDUCE Perform the reduction ~MERGE_T_PREFIX File prefix P ~MERGE_T_I1 ID number of first file to be merged ~MERGE_T_I2 ID number of last file to be merged ~MERGE_T_STEP Increment in ID numbers ~MERGE_T_OUT Output table containing the merged spectrum ~MERGE_T_PIXELS Number of pixels to be excluded at both edges of the spectrum ~MERGE_T_REF Reference frame number. This frame is left untouched ~MERGE_T_DIGITS Number of digits on the frame names ~MERGE_B_APPLY Merge the selected 1-D spectra into a table ~FLUX_T_IN ASCII file containing standard star fluxes at a number of wavelengths ~FLUX_T_OUT MIDAS output table containing wavelengths (:wl) and fluxes (:flux) ~FLUX_T_STEP Wavelength step in output table, default=0.01 ~FLUX_T_FITDEG Degree of the polynomial/spline, default=2 ~FLUX_B_APPLY Interpolate input ASCII table to produce MIDAS output table ~EXTRACT_T_SKY1 Lower row number of lower sky ~EXTRACT_T_SKY2 Upper row number of lower sky ~EXTRACT_T_SKY3 Lower row number of upper sky ~EXTRACT_T_SKY4 Upper row number of upper sky ~EXTRACT_T_OBJ1 Lower row number of object spectrum ~EXTRACT_T_OBJ2 Upper row number of object spectrum ~EXTRACT_T_SKYORD Order of sky fit ~EXTRACT_T_ORDER Order of optimal extraction ~EXTRACT_T_ITER Number of iterations ~EXTRACT_T_RON Read-out noise (e-) ~EXTRACT_T_GAIN Gain (e- / ADU) ~EXTRACT_T_SIGMA Threshold for rejection of cosmics (std) ~EXTRACT_T_RADIUS Radius for cosmic rejection ~EXTRACT_T_SKY_NAME Intermediate sky frame name or constant value ~EXTRACT_B_SKY Enter 4 cursor positions to define lower and upper sky ~EXTRACT_B_OBJECT Enter 2 cursor positions on displayed image to define object ~EXTRACT_B_EXT_FIT Generate the fitted sky frame ~EXTRACT_B_AVERAGE Extract the spectrum by averaging ~EXTRACT_B_WEIGHT Extract the spectrum by weighting