Hello, I've been using cloudy (c07.02.02) for a short while, but since attempting to use a source continuum calculated externally (input via the interpolate...
... the "trans" is the emission you would see if the cloud were directly along our line of sight. You see a huge damped La line and a strong CI absorption...
Hello, I'm trying to apply Cloudy c08.00 to Bania Clump 1 and Clump 2 in the Inner Galaxy, but am unsure of the kind of input I should use. I have 12CO J7-6,...
Hi, Sorry, I was going to edit my post rather than post again, but wasn't able to find a way to do that. I decided that my description of the problem was...
Hi Everett, Here are a number of thoughts on your question: -Allow optically thick results (by replacing your "stop zone 1" command with a "stop column density...
hi Tim, several things - you are a major mod behind on the cloudy version - we are at C08. we try to have the major version agree with the year so that it is...
Hello Everett, I have done a bit of work on using cloudy to model molecular lines. I have also had trouble matching the level populations of 12CO in the Orion...
... *** High resolution X-ray spectroscopy: towards IXO *** ** Spectroscopy workshop 19-20 March 2009 ** ** Spectroscopy school 17-18 March 2009 ** UCL Mullard...
Hi Ryan, Thank you for your wealth of suggestions. I have also uploaded our modifications to the constants for CO in atmdat_lines_setup.cpp in the Files...
Hi Everett, I'm glad to hear you've had some success. Thanks for uploading your data. We'll look into it after we complete the upgrade to the LAMDA data. ...
hi, i am trying to get Cloudy to output (punch) data which will allow me to make a plot of how the ionization states of a few ions varies with radius - the...
Hi Eric, At the AAS meeting you mentioned that turbulence can be an important source of heating and indeed Clump 1 and Clump 2 in the Inner Galaxy are highly...
Hi Everett, I would be happy to help you set up a model. We talked about a lot of different things at AAS including turbulence but you should check with the...
hi! I have a problem with N4 line 1486A. This is a doublet 1485+1486 actually. If I check the lines intensities and ratios in the main output .out they are...
Hi Anna, this is indeed a bug. To fix it change lines 662 & 663 of prt_lines_lv1_li_ne.cpp from linadd(embesq.em1486,1485,"N 4",'i', " the N 4] slow...
... Hi Peter and Christophe, I apologize if I write only now in the discussion board!!! I use this "dense_fabden.cpp" that I wrote below; in that file I wrote ...
Hi Yago, yes, this result makes sense. Collisions between gas and grains will tend to bring the temperatures of the two together. If you do a simulation that...
Hi Yafo, I completely agree with Gary's response. The first question you have to ask is whether the presence of grains in a 10 MK plasma is realistic. What is...
Hello there, I was wondering if there's an easy way to simulate a plasma of a given density that is in LTE at a single given temperature (not externally...
Hi Linda, Yes, indeed. The simplest way to do this would be something like the following: hden 4 coronal 4 init "honly.ini" stop zone 1 The ³coronal²...
Hi, First of all, thank you very much for your explanations. I must confess I was not originally interested in such a hot gas, but I think this result, if...
Hi there, One empirical way to see if grains are present is to look for gas-phase depletions. In the galactic ISM elements like Ca, Al, and Fe are strongly...
Hi Linda, My response was less than helpful for a few reasons. Firstly, my example doesn¹t come close to reaching LTE. Secondly, I didn¹t even address your...
Hi Ryan, Thanks for your replies! I tried your first suggestion this morning and was slowly coming to the conclusion that I wasn't in LTE, so thanks for...
Hi Eric, I have been searching for observed turbulent velocities, but have been unable to find any. I believe they are difficult to estimate because the...
Hi Linda, Yes, you could lower the density, add whatever SED you like, and increase the ionization parameter until you have enough photons to achieve LTE at ...
Hi Everet, The turbulent velocities should be in km/s but the constants in the equations I mentioned before convert the heating to to cgs units. Maybe now...
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