› Forums › Spectroscopy › Measuring radial velocity of planetary nebulae with Alpy? › Physical properties of planetary nebulae
27 July 2017 at 3:53 pm
#578384
![](https://britastro.org/wp-content/uploads/2016/11/picture-146-1478110706-80x80.jpg)
Participant
Impressive RV precision ! There are various interesting physical properties that can be measured from spectra like this. Francois Teyssier has a worked example on his website
http://www.astronomie-amateur.fr/feuilles/Spectroscopie/NGC2392.html
Robin