BOILING  STARS

Convection, radiation, and magnetic fields at stellar surfaces


A one-day symposium at Lund Observatory

Friday April 6, 2001

Lund Observatory lecture hall, Stora Södergatan 47, Lund

13:15-13:20  INTRODUCTION

13:20-15:00  FIRST SESSION

Axel BRANDENBURG, Copenhagen: HELICITY OF SOLAR SURFACE MAGNETIC FIELDS

Bertil DORCH, Stockholm: PROPERTIES OF MAGNETIC FLUX PRIOR TO EMERGENCE

Matthias STEFFEN, Potsdam:  INFLUENCE OF PHOTOSPHERIC T-INHOMOGENEITIES ON SPECTROSCOPIC ABUNDANCE DETERMINATIONS

Dainis DRAVINS, Lund: OBSERVING ABSOLUTE WAVELENGTH SHIFTS: A NEW DIAGNOSTIC TOOL FOR STELLAR CONVECTION

Dan KISELMAN, Stockholm: THE POTENTIAL OF THE NEW SWEDISH SOLAR TELESCOPE ON LA PALMA

15:00-15:30  Coffee break

15:30-17:00  SECOND SESSION

Ċke NORDLUND, Copenhagen: PRANDTL NUMBER DEPENDENCE (OR NOT) OF STELLAR CONVECTION / MAGNETIC STARS 

Sven WEDEMEYER, Kiel: ACOUSTIC WAVES AND HEATING OF THE SOLAR CHROMOSPHERE

Bernd FREYTAG, Uppsala: BETELGUESE - TOWARDS RADIATION HYDRODYNAMICS SIMULATIONS OF AN ENTIRE SUPERGIANT

Hans-Günter LUDWIG, Lund: MODELS FOR SOLAR SUPERGRANULATION AND M-DWARF ATMOSPHERES: ARE WE THERE?

18:00-20:00  Dinner with continued discussions

Restaurant Blue Diamond, Bangatan 4 (opposite the train station)



Travel:  The schedule is set to permit, as far as possible, one-day trips to Lund.  Southbound train travel in the morning: Leave Uppsala 07:15, X2000 leaves Stockholm at 08:18, arriving Lund 12:34.  Northbound in the evening: X2000 leaves Lund at 19:27, arriving in Stockholm 23:41; overnight train to Stockholm leaves Lund at 23:15.  Eastbound: leave Ċrhus 07:39, arrive to Lund via Copenhagen 11:41; leave Lund 19:39, arriving to Ċrhus via Copenhagen  00:08.  Trains across to Copenhagen run every 20 minutes until midnight, and once an hour in the later night.  For air travelers, the meeting localities are within easy walking distance from a bus stop for the Malmö/Sturup airport.

Information for speakers: Overhead and slide projectors, and a network-connected PC (5Gb free space), together with a computer/video projector are available in the lecture hall; for details or special needs, please contact the organizers.


Suggested topics for further discussion


Local Organization & Further Information

Dainis Dravins  &  Hans-Günter Ludwig
dainis@astro.lu.se & hgl@astro.lu.se


   Lund Observatory

Updated May 4, 2001