Alex Ji

I think the easiest/best thing to do would be to contact one of the PHOENIX authors if they would be willing to send a few model atmospheres with the required...

I took a quick look at the parser, it should be getting the VDW coefficient from the line list so not using the default Unsold approx. Sergey, I think we...

Based on Peter's e-mail, can you maybe try running the 8662 (air) line, with damping values -7.760 instead of 291.275 (matching what VALD says is the Kurucz damping data instead...

For the ABO damping, here's where it is compared to turbospectrum. https://github.com/bertrandplez/Turbospectrum2019/blob/master/source-v19.1/depth.f#L193 The exponent of (vbar/v0) is maybe different (^-alpha vs ^(1-alpha)), though I might be missing a term elsewhere...