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Annual report 1999
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Annual report 1999
Contents
Contents
1. Review of major events
2. Research highlights
1. The solar system
1. The outer solar system
2. Asteroids
2. Stars and circumstellar matter
1. Wolf-Rayet stars
2. S Dor variables
3. Final, or late He-flash objects
4. Type IIn supernovae: evidence of circumstellar interaction
5. Young stellar groups and OB associations
6.
Centauri
7. Dust particles in stellar winds
3. Interstellar matter
1. The properties of the small-scale structure in the polarized component of the galactic radio background
4. The Galaxy
1. The stellar halo
2. Gravitational lensing
5. Nearby galaxies
1. Carbon in the N159/N160 complex of the Large Magellanic Cloud
2. Dynamics of dwarf galaxies
3. The Local Group dwarf galaxy LGS 3
4. Dwarf elliptical galaxy snapshot survey
5. Dynamical modeling of elliptical galaxies
6. Nearby early galaxies sample survey
7. Star Clusters in the Antennae galaxies
8. Molecular hydrogen emission in the ultraluminous merger NGC6240
6. Active galaxies and distant galaxies
1. Nearby radio-loud galaxies
2. Giant and double-double radio sources
3. Seyfert and starburst galaxies
4. VSOP observation of bright GHz peaked spectrum sources
5. A new sample of faint compact steep-spectrum radio sources
6. Neutral gas: H
I
associated radio 21 cm absorption
7. Distant radio galaxies
8. Star forming galaxies at
9. General lens models
7. Clusters of galaxies and large scale structure
1. The distribution and kinematics of various types of galaxies in clusters
2. The merger fraction in clusters of galaxies as a function of
z
3. The Fundamental plane for early type galaxies in a cluster at
z = 0.33
4. Mass determination with weak lensing
5. Thick gravitational lenses
6. Radio galaxies as tracers of distant galaxies
7. Emission line regions in cooling flow galaxies
8. Molecular astrophysics
1. Detection of interstellar H
2
D
+
2. Tracing the evolution of deeply embedded massive young stars
3. Hot CH
3
OH: probing ice evaporation
4. Gas-phase molecules toward massive protostars
5. Water absorption toward Orion
6. Detection of H
2
emission from the GG Tau circumbinary disk
7. Submillimeter lines from circumstellar disks
8. Two-dimensional axisymmetric PDR models
9. The diffuse interstellar bands and large molecules
10. Organic molecules in the star-forming regions, comets and meteorites
9. Raymond & Beverly Sackler Laboratory
1. Ice segregation toward high-mass star-forming regions
2. The unidentified 6.8
m feature: ammonium bicarbonates?
3. Why is the 3.4
m feature weak in dense clouds?
4. Processing of organic residues
5. Probing surface chemistry: the SURface Reaction Simulation Device
6. Extraterrestrial amino acids in the Orgueil meteorite: a cometary origin?
10. Instrumentation, surveys and databases
1. VLTI
2. HIPPARCOS and GAIA
3. SAURON
4. SETI
3. Education, popularization and social events
1. Educational matters
1. Organization
2. Student counseling
3. The ``Bologna Declaration''
4. Different options for the 5th year
2. Degrees awarded in 1999
1. Master's degrees (``doctoraal diploma's'')
2. Ph.D. Degrees
3. Courses and teaching activities
1. Regular courses taught by the observatory staff
2. Astronomy Kaleidoscope
3. Leiden-Dwingeloo summer school in astrophysics
4. Popularization and media contacts
5. The ``Leidsch Astronomisch Dispuut `F. Kaiser' ''
1. ``Studentenlezingen''
2. Tours old observatory
3. ``Studententhee''
4. Observatory staff on December 31, 1999
5. Committee membership
6. Science policy functions
7. Visiting scientists
8. Colloquia and lectures
1. Endowed lectures
2. Scientific colloquia
3. Student colloquia
4. Workshops
1. TMR Workshop on Hydrodynamical Aspects of Galaxy Formation
2. Oort Workshop 1999
3. Radiative Transfer in Molecular Lines
4. FIRST-HIFI Workshop
5. Symposium on Highlights of Laboratory Astrophysics: Tracing the Nature of Dust from Molecular Clouds to Comets
6. Interferometry Workshop
7. Visit Prof. C.H. Townes
9. Participation in scientific meetings
10. Observing sessions abroad
11. Working visits abroad
12. Colloquia given outside Leiden
13. Scientific publications
1. Ph.D. theses, books and catalogues
2. Papers in refereed journals
3. Review articles, conference papers, etc.
4. Popular articles
5. Multimedia and electronic publishing
6. Awards
14. Phone-, room numbers and e-mail addresses
15. Acknowledgements
Leiden Observatory