title test low temperature limit of code, 3K
c
c commands controlling continuum =========
table agn
ionization parameters -2
c
c commands for density & abundances =========
hden -1
c
c commands controlling geometry  =========
stop zone 1
c specify a thin cell of gas 1 cm thick
set dr 0 
c
c other commands for details     =========
c set constant temperature to low-T limit
constant temperature, t=3.0 linear 
c iterate since gas is optically thin
iterate
c
c commands controlling output    =========
save overview "func_t3.ovr"
save performance "func_t3.per"
save monitors last "func_t3.asr"
c
c commands giving the monitors    =========
// >>chng 08 apr 19, from -0.077 to -0.960, hden from 10 to 1
monitor ionization Hydrogen 1 -0.960
// 
// >>chng 07 nov 29, from -6.92 to -5.14, due to changes in r1579
// >>chng 08 apr 19, from -5.14 to -0.09 hden from 10 to 1
monitor ionization Helium 2   -0.09 error 0.2
//
// >>chng 07 oct 22, from -7.15 to -7.05, resolve l-levels of h-like sequence
// >>chng 07 nov 29, from -7.05 to -6.18, due to changes in r1579
// >>chng 08 apr 19, from -6.18 to -1.11 hden from 10 to 1
monitor ionization Helium 3   -1.11 error 0.1
// 
// >>chng 06 nov 29, from -2.46 to -2.33, Badnell DR turned on
// >>chng 07 dec 05, from -2.33 to -2.37, drift down
// >>chng 08 apr 19, from -2.37 to -1.56 hden from 10 to 1
// >>chng 11 jul 12, from -1.56 to -1.604, enable fit to Badnell DR suppression
// >>chng 13 feb 02, from -1.604 to -1.566, BUGFIX, largely undo r6703 
monitor ionization Carbon 1   -1.566 error 0.1
c
monitor eden -1.00 error 0.1 
c 
c func_t3.in
c class limit 
c ========================================
c 

This is a test of the lowest temperature the code can do.
It runs a constant temperature of 3K