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Det interstellära mediets fysik MN1,
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Physics of the Interstellar Medium,
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The properties and the distribution of interstellar dust. Formation and destruction of interstellar dust particles. Atomic and molecular phases and thermal conditions of the interstellar gas. H II regions, the Strömgren sphere and its evolution. Mass loss from stars. Shock waves in interstellar gas. Jeans instability, fragmentation, and collapse models.
Det interstellära stoftets egenskaper och fördelning. Uppkomst och förstörelse av interstellära stoftkorn. Atomära och molekylära faser samt termiska förhållanden hos den interstellära gasen. H II-regioner, Strömgrensfären, och dess utveckling. Massutflöden från stjärnor. Chockvågor i interstellär gas. Jeans-instabilitet, fragmentering och kollapsmodeller.
N.B.: The course will be given in English.
Several sets of questions from the course book (Dyson & Williams) will help you review the course material. Answers that are turned in on time will be corrected and given bonus points. Altogether they will count for a maximum bonus of 10% on the final exam.
Description of Part 1
Note: You also need two photographic plates and a corresponding annotated copy.
Written lab report due Wednesday, December 8.
Description of Part 2
Written lab report due Wednesday, December 15.
In order to get full credit, students are required to give a 10-15 minutes oral presentation and write a short essay (at least 2 pages) on a topic related to the physics of the interstellar medium.
Date: Wednesday, January 12
Date: Friday, January 21
Lectures will take place on Wednesdays, 13:15-15:00, at the Department of Astronomy and Space Physics (Ångström Laboratory), lecture room 63133 (Tammsalen).
| Date | Class | Reading / Due dates |
|---|---|---|
| Oct. 20 | Lecture 1: Introduction PDF-File + Text | |
| Oct. 27 | Lecture 2: Thermodynamics and radiative transfer applied to the ISM | |
| Nov. 3 | Lecture 3: Interstellar spectral lines | DW Chap 2 |
| Nov. 10 | Lecture 4: Cooling and heating, molecule formation, interstellar dust | DW Chap 3, 4 |
| Nov. 17 | Lecture 5: Radiatively excited regions | DW Chap 5 |
| Text transparencies from lectures 2-5 | ||
| Nov. 24 | Lecture 6: Gas dynamics | DW Chap 6 |
| Dec. 1 | Lecture 7: Applications of gas dynamics: Evolution of an ionized region (e.g. Rosette nebula), winds from massive stars (e.g. NGC 7635, NGC 1748) | DW Chap 7.1, 7.2 |
| Dec. 8 | Lecture 8: Applications of gas dynamics: Supernova remnants, Links to movies and images | DW Chap 7.3, 7.4, 7.5; Lab report part 1 due |
| Dec. 15 | Lecture 9: Star formation and star-forming regions PDF-file (2MB), gzipped postscript-file (5MB) for printing (e.g. HH-34, Fragmentation) | DW Chap 8; Lab report part 2 due |
| Jan. 12 | Presentations | Essay due |
| Friday, Jan. 21 | Exam (10.00 - 15.00, Tammsalen) |
Dyson, J. E., & Williams, D. A.,
The Physics of the Interstellar Medium,
IOP Publishing,1997.
Main course book.
Order at Studentbokhandeln
or from the Ångström reception
(see also list of booksellers,
PriceRunner).
Lequeux, James,
The interstellar Medium (A&A Library),
Springer-Verlag, 2003.
Supplementary book.
Scheffler, H., & Elsässer, H.,
Physics of the Galaxy and Interstellar Matter,
Springer-Verlag, 1987.
Supplementary book; Chapters 4 and 5.
Osterbrock, D. E.,
Astrophysics of Gaseous Nebulae and Active Galactic Nuclei,
University Science Books, 1989.
Supplementary book.
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Ulrike Heiter | (Room 63125, tel. 471-5982, ulrike@astro.uu.se) |
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