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diff --git a/HOWTO_chandra_acis_process.txt b/HOWTO_chandra_acis_process.txt new file mode 100644 index 0000000..95a9f0a --- /dev/null +++ b/HOWTO_chandra_acis_process.txt @@ -0,0 +1,150 @@ +########################################################### +## HOWTO +## Processing Chandra ACIS data +## +## Weitian LI <liweitianux@gmail.com> +## Last updated: 2014/06/18 +########################################################### + +### Settings: {{{ +## directory: +# chandra scripts: +CHANDRA_SCRIPT_DIR="${HOME}/bin/chandra/scripts" +# mass program dir: +MASS_PROFILE_DIR="${HOME}/bin/chandra/mass_profile" + +## aliases: +# ciao scripts +alias chcld="${CIAO_SCRIPT_DIR}/chandra_collect_data_v3.sh" +alias chr500="${CIAO_SCRIPT_DIR}/ciao_r500avgt_v3.sh" +# mass_profile related +alias fitmass="${MASS_PROFILE_DIR}/fit_mass.sh" +alias fitnfw="${MASS_PROFILE_DIR}/fit_nfw_mass mass_int.dat" +alias fitsbp="${MASS_PROFILE_DIR}/fit_sbp.sh" +alias fitwang="${MASS_PROFILE_DIR}/fit_wang2012_model tcl_temp_profile.txt" +alias calclxfx="${MASS_PROFILE_DIR}/calc_lxfx_simple.sh" +alias getlxfx="${MASS_PROFILE_DIR}/get_lxfx_data.sh" +### Settings: }}} + +### Websites: {{{ +NED: http://ned.ipac.caltech.edu/forms/byname.html +Chandra Chaser: http://cda.harvard.edu/chaser/dispatchOcat.do +SIMBAD: http://simbad.u-strasbg.fr/simbad/ +nH tool: https://heasarc.gsfc.nasa.gov/cgi-bin/Tools/w3nh/w3nh.pl +### }}} + +### Process step-guide: {{{ + (1) $ chandra_repro indir=. outdir=repro verbose=2 + (2) $ cd repro; mkdir -p evt bkg img spc/profile mass; + (3) $ cd evt; ln -s ../acis*evt2.fits .; + (4) $ ciao_procevt2.sh + (5) $ cd ../bkg; ln -s ../evt/evt2*_clean.fits .; + (6) $ ciao_blanksky_v4.sh + (7) ds9 open 'evt2*_clean.fits'; select edge region as the + *local background*, save as 'lbkg.reg'; + and estimate the phonton counts: + (8) $ dmlist "evt2_clean.fits[sky=region(lbkg.reg)][energy=400:8000]" blocks + (9) $ ciao_bkg_spectra_v4.sh reg="lbkg.reg" basedir=.. nh=<nh> z=<z> +(10) $ xspec +(11) xspec> @xspec_lbkg_model.xcm + xspec> fit + xspec> cpd /xs + xspec> pl l del + xspec> @~/astro/scripts/xspec_bkgcorr_v2.tcl +(12) cd ../img; ln -s ../evt/evt2*_clean.fits .; +(13) ds9 open 'evt2*_clean.fits', select the center of cluster, + save the region as 'center.reg' +(14) $ ciao_genregs_v1.sh reg_in=center.reg +(15) $ cd ../spc/profile; + $ ln -s ../../evt/evt2*_clean.fits .; + $ ln -s ../../bkg/bkgcorr_blanksky_lbkg.pi .; (maybe 'lbkg.pi') + $ ln -s ../../img/rspec.reg img_rspec.reg; +(16) ds9 open 'evt2*_clean.fits' with regs 'img_rspec.reg'; + adjust the regions and save as 'rspec.reg' +(17) create conf file '<NAME>_spec.conf' like: + basedir ../.. + reg rspec.reg + bkgd bkgcorr_blanksky_lbkg.pi | lbkg.pi + nh <nh> + z <redshift> +(18) $ ciao_deproj_spectra_v8.sh reg="rspec.reg" bkgd=<bkgd> basedir="../.." nh=<nh> z=<z> +(19) $ xspec + xspec> @xspec_deproj.xcm + xspec> fit + xspec> @~/astro/scripts/xspec_coolfunc_v2.tcl + (input 1) + xspec> exit +(20) fix 'NULL' values in 'tcl_temp_profile.qdp' & 'tcl_temp_profile.txt' +(21) $ xspec + xspec> newpar <..>=<..> (bind all kT's and Abundanc's) + xspec> fit (get avarage Temp and Abund) + xspec> exit +(22) $ cd ../../img; + create '<NAME>_expcorr.conf' with contents: + basedir .. + reg sbprofile.reg + nh <nh> + z <redshift> + temp <avg_temp> + abund <avg_abund> +(23) $ ciao_expcorr_sbp_v4.sh basedir=.. nh=<nh> z=<redshift> temp=<avg_temp> abund=<avg_abund> +## -------------------------------------------------------- + +(24) $ cd ../mass; clean_massdir.sh; +(25) check needed linked files: + sbprofile.txt, flux_sbp.txt, radius_sbp.txt, tcl_temp_profile.txt +(26) check needed config files: + wang2012_param.txt, + fitting_mass.conf, fitting_sbp.conf, + fitting_dbeta_mass.conf, fitting_dbeta_sbp.conf, + global.cfg +(27) $ fitwang wang2012_param.txt +(28) $ qdp fit_result.qdp # check fitted temperature profile +(29) $ fitsbp fitting_mass.conf # single-beta sbp + $ fitsbp fitting_dbeta_mass.conf # double-beta sbp +(30) $ qdp sbp_fit.qdp # check fitted sbp +(31) $ ln -s fitting_mass.conf global.cfg # use single-beta + $ ln -s fitting_dbeta_mass.conf global.cfg # use double-beta +(32) $ fitnfw <z> [rmin_kpc] +(33) $ qdp nfw_fit_result.qdp # check fitted nfw profile, and ajust 'rmin_kpc' +(34) add 'nfw_rmin_kpc' to 'global.cfg' +(35) $ fitmass global.cfg c # calculate the center values +(36) $ fitmass global.cfg 2>&1 | tee global_<date>.log # calculate mass data +(37) $ chandra_collect_data_v3.sh +(38) $ cd ../img; + $ chandra_update_xcentroid.sh +(39) $ cd ../spc/profile; +(40) $ chr500 inner=0.1 outer=0.5 # check 0.5R500 range + $ chr500 inner=0.2 outer=0.5 +(41) $ xspec + xspec> @xspec_r500avgt_0.1-0.5.xcm + xspec> fit; fit; + xspec> cpd /xs; pl l del; + xspec> error 1. 2 3 # calc errors (68%) of kT and Abundanc +(42) update the data of 'T(0.1-0.5 R500)', 'Z(0.1-0.5 R500)' ... + +## -------------------------------------------------------- +(43) $ cd ../..; # in 'repro' dir + $ cp -a mass lxfx; cd lxfx; +(44) $ calclxfx global.cfg c 500 200 # 'c' for center values + $ calclxfx global.cfg 500 200 # calc 'errors' +(45) $ getlxfx . c 500 200 # for center results + $ getlxfx . 500 200 # for all results (with errors) + +## -------------------------------------------------------- +(46) $ cd ..; cd spc/profile; + calculate cooling time and Csb value: + $ ciao_calc_ct_csb.sh + check the region whether exceeds ccd edge, and answer y/n + check results in file 'ct_csb_results.txt' + --- + Alternatively: + $ ciao_calc_ct.sh + $ ciao_calc_csb.sh + check the region whether exceeds ccd edge, and answer y/n + check results in file 'cooling_results.txt' and 'csb_results.txt' + --- +### process }}} + + +# vim: set ts=8 sw=4 tw=0 fenc=utf-8 ft=txt: # |