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Introduction
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Radiative Transfer Modelling of
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Solving the Radiative Transfer
A Generalised 2-D Radiative Transfer Program
Introduction
Generalising the STENHOLM program to run for Non-linear Molecules
New features
Source of the Einstein Coefficients
Setting up the model cloud
Re-labelling the Data Arrays
Using the Modified STEN Program
Initial setup
Starting the program
Option 1
Option 2
Option 3
Option 4
Output options
Input files
datakey.sten (13)
.stendefaults (10)
Data.list (17)
run.*** (18)
Other files
An Example Using the Modified STEN Program
The
geometry
routine for the ASTRA Program
Introduction
The model shape
Calculating the lines of sight
Calculating the ring relative velocities
The
givevel
subroutine
Relative velocity between two points on a line of sight
The
midfind
subroutine
Setting up the model cloud
Ring parameter calculations
The Lambda Iteration
The Emissivity Function
Solving the Radiative Transfer Equation
Statistical Equilibrium
Calculating the level populations
Solving the Matrix Equation
Convergence Check
Calculating the Line Profiles
Define the line of sight from the telescope through the cloud
The
geometry2
subroutine
Gridded convolution
Calculating the Optimum Velocity Window
Calculating the final output
Outputting the Results
A Modification to Allow Modelling of Dust
The Tcl/Tk interface
Using the Tcl/Tk Interface
Input/Output Files for the ASTRA Program
.stendefaults (n/a)
datakey.sten (n/a)
MODELDATA.DAT (1)
SHELL.DAT (8)
run.** (19)
COEFDATA.*** (2)
FREQ.*** (3)
G.*** (4)
OBJECTDATA.*** (14)
TELEDATA.*** (15)
MOLECDATA.*** (16)
stendump.txt (7)
datastore.tmp (18)
data.***
runshells.***
rundata.***
run##.***
lastcloud.***
makemodel.***
comments.txt
mcs Files
Documentation for the Helper Programs
1999-04-12
