Changes between Version 2 and Version 3 of pr_images
- Timestamp:
- Jul 29, 2009, 11:11:02 AM (17 years ago)
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pr_images
v2 v3 6 6 7 7 1. Reduce data (IPP) 8 9 8 1. Rebin individual skycells (Mana) 10 11 9 1. Stitch skycells into mosaics (IDL) 12 13 10 1. Remove additive offsets between skycells to flatten mosaic background level (IDL) 14 15 11 1. Create color composite (IDL) 16 17 12 1. Final aesthetic tweaks (GIMP / Photoshop) 18 13 … … 23 18 * Make a local tesselation of the sky centered on the object of interest. Doing this minimizes the projection distortion effects 24 19 25 {{{ skycell code here }}} 20 {{{ 21 skycells -mode LOCAL -scale 0.2 \ 22 -nx 12 -ny 12 -size 4 4 \ 23 -fix-ns -center <RA(deg)> <DEC(deg)> \ 24 -D CATDIR <Catdir Name> 25 }}} 26 26 27 27 * This CATDIR needs to be added to the site.config file of whomever is running the IPP 28 29 28 * Three is a PR reduction class which is tailored to creating PR images. It differes from the default reduction in the following ways: 30 31 29 * Minimal photometry (increases speed) 32 33 30 * No convolution during stacking (increases speed) 34 35 31 * No background subtraction (preserves extended emission) 36 32 37 33 * Start reduction with commands like this 38 34 39 {{{ prchip code}}} 35 {{{ 36 chiptool -dbname gpc1 -definebyquery -simple -filter i.00000 \ 37 -set_workdir neb://@HOST@.0/gpc1/pr.rosette \ 38 -set_dvodb /data/ipp035.0/beaumont/pr.rosette/catdir \ 39 -set_tess_id PR.NGC2237 -set_end_stage warp \ 40 -set_label pr.rosette.i.60 -exp_id 51347 -set_reduction PR 41 }}} 40 42 41 43 Then, when that finishes, stack the reduced images 42 43 {{{ prstack code}}} 44 45 44 {{{ 45 stacktool -dbname gpc1 -definebyquery -simple \ 46 -select_label pr.rosette.g.50 \ 47 -workdir neb://@HOST@.0/gpc1/pr.rosette.g.1 \ 48 -dvodb /data/ipp035.0/beaumont/pr.rosette/catdir \ 49 -label pr.rosette.g.70 -reduction PR_DARKTEST -min_num 1 50 }}} 46 51 47 52 === Rebin the skycells (mana) ===
