Colormaps

Custom colormaps can be a useful tool to quickly draw attention to parts of an image.

Data

This is a merged dataset for IGR J14003-6326, aka G310.6-1.6.

find_chandra_obsid 'IGR J14003-6326' download=all
reproject_obs "*/primary/*evt*" outroot=G310.6-1.6 bin=1
In [1]:
cd LUT
ds9 G310.6-1.6_merged_evt.fits -pan to 4096.5 4096.5 -bin factor 1 -scale log -smooth yes &
[1] 20028
In [2]:
import -window "SAOImage ds9" ds9_06_lut_01.png 
display < ds9_06_lut_01.png

The ciao contrib package contains a number of additional color maps ported from the XImage and ImageJ software packages. For more information see the thread http://cxc.cfa.harvard.edu/ciao/threads/auxlut/

In [3]:
xpaset -p ds9 cmap load $ASCDS_INSTALL/contrib/data/vt2.lut 

import -window "SAOImage ds9" ds9_06_lut_02.png 
display < ds9_06_lut_02.png

In [4]:
xpaset -p ds9 quit
[1]+  Done                    ds9 G310.6-1.6_merged_evt.fits -pan to 4096.5 4096.5 -bin factor 1 -scale log -smooth yes
In [ ]: