Essays about: "Vlad Rastau"

Found 4 essays containing the words Vlad Rastau.

1. 1. Something 3D

   University essay from Uppsala universitet/Observationell astrofysik

   Author : Vlad Rastau; [2020]
   Keywords : 3D; AGB stars; planetary nebulae;

   Abstract : Modelling stellar structures and comparing them with observationsis a very important step when it comes to verifying our theories aboutstellar evolution. Three-dimensional reconstruction is therefore impor-tant and in the case of certain stellar types it makes for a large portionof the ongoing research. READ MORE

3. 2. Photometry of carbon star wind-modelsat solar & sub-solar metallicities

   University essay from Uppsala universitet/Institutionen för fysik och astronomi

   Author : Vlad Rastau; [2020]
   Keywords : C-type AGB; photometry; mass-loss;

   Abstract : Asymptotic giant branch stars (AGB) are cool, luminous stars withan initial mass of approximately 0.8 to 8 solar masses. Towards theend of their lives they undergo heavy mass loss, a process thoughtto be caused by dust-driven winds. When it comes to carbon-richAGB stars, i. READ MORE

4. 3. Deathstar

   University essay from Uppsala universitet/Teoretisk astrofysik

   Author : Vlad Rastau; [2019]
   Keywords : ;

   Abstract : .... READ MORE

5. 4. The Galactic thick disk: a stellar population in its own right?

   University essay from Uppsala universitet/Observationell astrofysik

   Author : Vlad Rastau; [2017]
   Keywords : High resolution spectroscopy; stellar atmospheres; Galactic stellar populations;

   Abstract : The Galactic disk is home of many billion stars, one of which isour Sun. The stellar population of which the Sun is a member residesin the vertically thin spiral structure of the disk. There is a seconddisk population, the so-called thick disk, that has somewhat dierentspatial, kinematic and chemical properties as compared to the thindisk. READ MORE