Stellar Astrophysics (Block)

winter term 2020/2021
Lecturer: Stefan Jordan, Ralf Klessen
Link zum LSF
12 participants


Ralf Klessen

ZAH/ITA, Albert-Ueberle-Str. 2, 69120 Heidelberg

Stefan Jordan

ZAH/ARI, Mönchhofstr. 12-14, 69120 Heidelberg


Registration: Please register for the tutorial




Lecture and tutorials: March 9-17, 2021, 9:00-12:30, 14:00-16:00 



Lecture and tutorials will be held online using zoom. Registered participants receive the access information to the lecture and the tutorial by e-mail. If you have problems send an e-mail to and/or .



Stellar structure and evolution / stellar atmospheres / Sun



The tutorials are held at the end of the lectures in the afternoon.



This schedule is preliminary and may change slightly.


09.3. Introduction, Stellar Structure 1 (Ralf Klessen)
10.3  Stellar structure 2, Tutorial (Ralf Klessen)
11.3. Energy transport (Ralf Klessen)
12.3. Energy production (Ralf Klessen), Main sequence, Tutorial (Stefan Jordan)
15.3. Stellar evolution to AGB, Tutorial (Stefan Jordan)
16.3. Evolution to the AGB, Late stages of stellar evolution, Rotation (Stefan Jordan)
17.3. Stellar pulsations, magnetic fields, stellar spectra, nucleosynthesis (Stefan Jordan), Tutorial (Ralf Klessen)
The exam will take place on Friday,19.3., and will be oral. It will take 20 minutes per person. For Erasmus students who need grades the length of the exam will bei 30 minutes.

10:30 Greta Toni  (wd253)

11:05 Benedetta Casavecchia (or253) 

11:40 Jan Philipp Beckmann (pv454) 

12:05 Kirsten Blohm (om225) 

12:30 MITTAG

14:00 Lennart Hoenen (hy225) 

14:25 Lucas Krone (aa229) 

14:50 Franziska Masuch (ph226)

15:15 PAUSE

15:30 Clara McKellar (qu224) 

15:55 Jens Richter (ul177)         

16:20 Lukas Weis (mz223)


Block seminar:
The block seminar will be held on March 29. 


09:15-09:45: Clara McKellar: High-Mass Star and Massive Cluster Formation in the Milky Way
09:45-10:15: Lennart Hoenen: The Birth Environment of the Solar System
10:15-10:45: Jan Philipp Beckmann: Not all stars form in Clusters - Gaia-DR2 uncovers the origin of OB associations
10:45-11:00 Break
11:00-11:30: Lukas Krone: The Ages of Stars
11:30-12:00: Jens Richter:  Accuracy and Precision of Industrial Stellar Abundances
12:00-12:30: Lukas Weis: Gaia Early Data Release 3: The Gaia Catalogue of Nearby Stars 
12:30-13:30: Lunch Break
13:30-14:00: Benedetta Casavecchia: Ultraluminous X-Ray Sources
14:00-14:30: Franziska Masuch: Core crystallisation in evolving white dwarf stars from a pile-up in the cooling sequence
14:30-14:45 Break
14:45:15:15: Greta Toni: Origin of the heavy elements in binary neutron-star mergers from a gravitational wave event
15:15-15:45: Kirsten Blohm: Nucleosynthesis in Stars and the Chemical Enrichment of Galaxies

15:45-16:15: Kaj Kramer: The White Dwarf Initial-Final Mass Relation for Progenitor Stars from 0.85 to 7.5M_sun



Papers for the block seminar:

This is a list of paper suggestions for your Stellar Astrophysics seminar:


Practice groups

Stellar Astrophysics (Block)
winter term 2020/2021
Jordan Klessen
Link zum LSF
12 participants