MOPEX User's Guide - IRSA

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MOPEX User’s Guide INTERP METHOD: There are four possible interpolation methods. These are discussed in §.5.6.8. Since high spatial frequency information is not critical for simple backgroundmatching, the default templates for Overlap use a coarse Grid method for speed. Mosaic Interpolate output subdirectory: The subdirectory of that you wish to use for the output files. Default is Interp-overlap. Mask bright object: Check this box to tell MOPEX to implement Bright Object Masking. This masks bright objects in the BCDs, and so should provide a more accurate backgroundmatching result where there are bright objects in the field of view. COMMAND LINE INPUT &MOSAICINTIN INTERP_METHOD = 3, FINERES = 0, DRIZ_FAC = 1, GRID_RATIO = 4, ALPHA = -0.5, &END In Global Parameters: mask_bright = 1 INTERP_DIR = Interp-overlap OUTPUT Mosaic FIF Table (mosaic_fif.tbl): The FIF table describing the final mosaic, taking into account the user-selected pixel size. Note: This file is saved in the top level Output directory. Geometry Output Table (interp_ImageList.txt.tbl): The interpolated images' offsets in x- and y-direction relative to the FIF and their sizes are specified in this file. Interp Stack (interp_*fits): The output images, interpolated, distortion-corrected, and projected onto the output FIF. A list is also made. Coverage Stack (interp_*covg.fits): The corresponding coverage maps for each output image, taking into account the bad pixels in the input. A list is also made. DISCUSSION Overlap (overlap.pl) 40 Overlap Modules
MOPEX User’s Guide When choosing your interpolation scheme, bear in mind that each frame is overlap-corrected by a single value for the entire frame. If speed or memory are a factor when running MOPEX on your machine, then you may want to consider a simple interpolation scheme here (e.g. Grid), and reserve the more complicated interpolation for the Mosaic script. The Grid option is the default in the Overlap Pipeline for this reason. 4.3.8 Overlap Modules: Compute Overlap Correction Command Line Equivalent: compute_overlap_correction Default Output Directory: /Overlap_corr De pe nds On: Initial Settings; Mosaic Interpolate Important Notes: Running this module does not automatically apply the overlap correction. In order to apply the correction and output the corrected BCDs, the Apply Overlap Correction box in this module must be checked. PURPOSE This module computes the correction needed to set the background of overlapping images to a constant value. Optionally, it applies the correction to the input BCD images and creates corrected images for input to Mosaic. INPUT Top Threshold: (float) Number of sigma above the mean to detect outliers among the computed offsets. Bottom Threshold: (float) Number of sigma below the mean to detect outliers among the computed offsets. Minimum Number of Images: (int) Minimum number of overlapping images to perform outlier rejection. Use Sparse for Many Files: Turn on to use a sparse matrix solver to increase the number of images it can solve. Skip Bad Image Check: If no bad images, can turn this on for some speed gain. Overlap (overlap.pl) 41 Overlap Modules
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Mosaic Coverage File (mosaic_cov.fi
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There are no user-defined input par
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COMMAND LINE INPUT See INPUT. OUTPU
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MOPEX User’s Guide limitations di
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6.3 Running APEX MOPEX User’s Gui
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MOPEX User’s Guide Point Source D
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Figure 6.1: Overview of the main pr
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Relevant Pipelines: All PURPOSE INP
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NICE = 1 save_namelist = 1 MOPEX Us
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MOPEX User’s Guide Mosaic PRF Fil
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create_unc_mosaic = 1 use_std_to_de
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MOPEX User’s Guide Use Refined Po
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MOPEX User’s Guide Here FLUXCONV
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MOPEX User’s Guide This module cr
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MOPEX User’s Guide year) and with
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MOPEX User’s Guide Mosaic FIF Tab
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MOPEX User’s Guide Tile BCD file
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MOPEX User’s Guide Window X, Y: (
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MOPEX User’s Guide neighboring pi
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⎛ ⎜ ⎜ P( j) = ⎜ 1+ ⎜ ⎜
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&END MOPEX User’s Guide if use_ps
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MOPEX User’s Guide \float Tile_Of
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MOPEX User’s Guide Input Type: De
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MOPEX User’s Guide This module co
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MOPEX User’s Guide is recorded as
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&END OUTPUT MOPEX User’s Guide Th
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INPUT Columns selection: MOPEX User
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PURPOSE MOPEX User’s Guide Fits t
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MOPEX User’s Guide given below. O
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6.5.19 APEX Modules: Aperture Photo
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MOPEX User’s Guide This module al
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Condition Builder: Some simple sele
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MOPEX User’s Guide Fatal Mask Bit
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MOPEX User’s Guide Pixel by Size:
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MOPEX User’s Guide Mosaic PRF Fil
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PRF_ResampleX_Factor = 100, PRF_Res
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7.3 Running PRF Estimate MOPEX User
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MOPEX User’s Guide 3. Outlier Rej
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PURPOSE MOPEX User’s Guide Set up
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MOPEX User’s Guide Most users wil
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DISCUSSION MOPEX User’s Guide Wit
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7.5.5 PRF Estimate Modules: Split B
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MOPEX User’s Guide Fit Seed: (int
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Chapter 8. Basic Concepts in MOPEX
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8.2 Outlier Detection MOPEX User’
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MOPEX User’s Guide Figure 8.3: An
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MOPEX User’s Guide Two ways to es
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MOPEX User’s Guide USE_DUAL_OUTLI
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MOPEX User’s Guide Figure 8.9: As
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MOPEX User’s Guide Important: Usi
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MOPEX User’s Guide Figure 8.12: T
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8.3.2 Thresholding MOPEX User’s G
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T cl = P min − T min SegLevel MOP
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Centroid _ X = ∑ i∈cluster X(i)
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MOPEX User’s Guide where IPi is t
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MOPEX User’s Guide Figure 8.18: T
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8.4.5 Cubic: Bicubic Interpolation
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z n = ∑ r(r≠n ) Onr(I n − Ir
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MOPEX User’s Guide the parameter
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MOPEX User’s Guide Figure 8.22: P
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MOPEX User’s Guide that resembles
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∑ AP = a i ⋅ I i MOPEX User’s
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MOPEX User’s Guide In particular
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8.9.3 Aperture Uncertainties MOPEX
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MOPEX User’s Guide In order to ru
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MOPEX User’s Guide from the GUI,
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9.4.2.1 Input Files and Output Dire
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MOPEX User’s Guide Table 9.1: Lis
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9.7.2 APEX User List Multiframe (ap
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9.7.4 Single-frame mode (apex_1fram
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MOPEX User’s Guide Table 9.6: Lis
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Appendix A. Full List of MOPEX Scri
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A.1.3 Under Construction Running MO
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Appendix B. Full List of Modules in
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Mosaic Interpolate run_mosaic_int P
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Running MOPEX on the Command Line a
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B.5 PRF Estimate Modules Running MO
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Instrument PRF Samp c Norm Radius (
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Some Tips for MOPEX with Spitzer Da
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