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SCORe Workshops
SCORe17 Workshop Free Conference is closed
Conference is closed
score17
Hosted by Markus Roth
Affiliation Kiepenheuer-Institut fuer Sonnenphysik
Heidelberg
16.10.2017 - 20.10.2017

Organizing institutions
University Heidelberg Aarhus University
Main category Natural Sciences (Astrophysics and Astrononmy)
Conference/Workshop objectives

The SCORejj (Stellar Convection and Oscillations and their Relationship, jj={96, 16, 17, ...}) workshop series on convection are being planned by the Universities of Aarhus and Heidelberg, with the motivation of bringing together expertise from various 1D and 3D convection models/simulations, theory and observations. The workshops shall address various topics in stellar evolution and pulsation theory, such as surface effects, granulation or stochastic excitation.

For SCORe17 the focus will be granulation on solar-like stars and the discussion of various aspects related to this. Potential topics include:


- latest developments on the 8 hour flicker, and gravity determination
- granulation and magnetic activity
- granulation and mode excitation: how tight is the connection?
- description of the granulation seen in a power spectrum (theory and observations)
- does meso-granulation exist?
- supergranulation
- how do we best go from a 3D simulation box to a full stellar surface?
- patched models (supplementary topic as a follow-up from last year)

The schedule will include 3 to 4, 30 min talks per day, giving us maximal time for actual work and to engage in discussions.

This year, the workshop will take place in Heidelberg, more specifically in some of the rooms of the Marsilius-Kolleg (http://www.marsilius-kolleg.uni-heidelberg.de/lageplan-anreise-en.html), which is located on the central, modern campus of the University of Heidelberg.

The workshop is funded by the Independent Research Fund Denmark's Sapere Aude programme and the SFB 881 "The Milky Way System" project.

Local organizing committee

Mia Lundkvist

Hans-Günther Ludwig

Scientific organizing committee (SOC)

Hans-Günter Ludwig (University of Heidelberg)

Günter Houdek (Aarhus University)

Mia Sloth Lundkvist (University of Heidelberg and Aarhus University)

Sessions
  • Main Session
Programme
Invited speakers

Anish Amarsi (Max Planck Institute for Astronomy, Heidelberg)
Fabienne A. Bastien (Penn State)
Lionel Bigot (University of Nice)
Robert Cameron (Max Planck Institute for Solar System Research, Göttingen)
Jørgen Christensen-Dalsgaard (Aarhus University)
Remo Collet (Aarhus University)
Bernd Freytag (Uppsala University)
Shravan Hanasoge (Tata Institute of Fundamental Research, Mumbai)
Günter Houdek (SOC, Aarhus University)
Thomas Kallinger (University of Vienna)
Hans Kjeldsen (Aarhus University)
Hans-Günter Ludwig (SOC, University of Heidelberg)
Mia Sloth Lundkvist (SOC, University of Heidelberg/Aarhus University)
Aake Nordlund (NBI, University of Copenhagen)
Mark Rast (Boulder University)
Matthias Steffen (Leibniz-Institut für Astrophysik Potsdam)
Oskar Steiner (Kiepenheuer-Institut für Sonnenphysik)
Regner Trampedach (Aarhus University/Space Science Institute)

Yixiao Zhou (Australian National University)

Important dates

No dates were specified.

Registration and payment information

Participation is by invitation only (with an exception for SFB members) and is limited to around 25 people in order to provide ideal conditions for an efficient working environment.

Conference venue

This year, the workshop will take place in Heidelberg, more specifically in some of the rooms of the Marsilius-Kolleg ( Hotel information

We have not made a group booking on any of the hotels in Heidelberg, since it may be different what you each prioritize (cheap/downtown/close to the workshop venue/free wifi/...). However, Heidelberg is always a popular place to visit (also in October), so we strongly encourage you to book you hotel as soon as possible. Suggestions for hotels include (there are of course many, many more to choose from):

1) Heidelberg Marriott Hotel, which is one of the closest hotels to the workshop location: www.marriott.com/hotels/hotel-rooms/hdbmc-heidelberg-marriott-hotel/

2) Hotel Panorama, which is located right next to Bismarckplatz with good public transport to the Marsilius-Kolleg and is right in the middle of "downtown Heidelberg":

www.panorama-heidelberg.de/en-gb/home

3) NH Hotel Heidelberg, which is located about a 20 min walk from the workshop venue (and a short walk from a bus/tram stop):

www.nh-hotels.com/hotel/nh-heidelberg

4) Hotel Heidelberg Qube, which is one of the closest hotels to the workshop location:

qube-hotel-heidelberg.de

5) Hotel Ibis Heidelberg, which is one of the more inexpensive options and is located at the main train station where there is good public transport to the Marsilius-Kolleg:

http://www.ibis.com/gb/hotel-1447-ibis-heidelberg-hauptbahnhof/index.shtml

Please do not hesitate to contact us should you require any assistance.

Travel information

Finding the Marsilius-Kolleg

Travel to Heidelberg
Heidelberg can be reached by plane, by train, by bus and by car.

By plane: Frankfurt Airport is about 80 km from Heidelberg. Frankfurt Airport is a Lufthansa hub with frequent connections to many larger (and some smaller) cities. From Frankfurt Airport, trains depart about twice an hour to Mannheim from where Heidelberg can be easily reached (by using the S bahn; S1 (Osterburken), S2 (Mosbach), S3 (Karlsruhe Hbf) or S4 (Bruchsal)). The journey from the airport will take about 1 hour.
Several shuttle buses also operate the route from Frankfurt Airport to Heidelberg. The TLS shuttle (https://www.tls-heidelberg.de/en/) will pick you up from the terminal and drop you off at your hotel (price is 38 EUR one-way). The Frankfurt Airport shuttles (http://frankfurt-airport-shuttles.de/en/home-2/) provide both a fixed time table shuttle service to Crowne Plaza in Heidelberg (24 EUR one-way) and a door-to-door service. Please check the websites for information on, for instance, payment and booking. The journey will take about 1 hour.
It is also possible to rent a car from the airport. The journey time will be 45min-1 hour.

By train: Heidelberg Hauptbahnhof is serviced by Deutsche Bahn, and tickets can be booked on their website (https://www.bahn.com/en/view/index.shtml) or purchased at the station.

By car: Heidelberg is located close to motorways A5 and A6.

Finding the Marsilius-Kolleg
The Marsilius-Kolleg is located on the main campus of the University of Heidelberg (Neuenheimer Feld) in the Marsilius Arkaden (building number 130.1). The address is:
Marsilius-Kolleg
Im Neuenheimer Feld 130.1
69120 Heidelberg
A map and thorough directions for how to get to the Marsilius-Kolleg from the main train station can be found on their website (http://www.marsilius-kolleg.uni-heidelberg.de/lageplan-anreise-en.html). Most of you will probably either want to walk or use public transportation from Bismarckplatz instead. From here, the travel time to the Marsilius-Kolleg is roughly 20 min by public transportation or 30 min on foot.

By bus from Bismarckplatz: Take bus number 32 (towards Neuenheim, Kopfklinik). Exit at the stop “Uni-Campus”. The Marsilius-Kolleg is on the opposite side of the street, in the Marsilius Arkaden 130.1. The bus runs every ~10 min.

By tram from Bismarckplatz: Take tram number 21 (towards Handschuhsheim). Exit at the stop “Jahnstraße”. Cross the Berliner Straße toward Neuenheimer Feld. Follow Jahnstraße, which will bend toward the right in approximately 50 meters. Turn left on Kirschnerstraße and follow it approximately 350 meters, until you reach the Marsilius Arkaden on the left side. The tram runs every ~10 min.

Tickets can be bought from the ticket machines on Bismarckplatz or from the bus driver (the cheaper option is to buy 5 ticket bundles (preisstufe 2) from the ticket machines).

Entrance to the Marsilius-Kolleg
The Marsilius-Kolleg is located in the north tower of the Marsilius Arkaden (130.1), which is the foremost building on the complex. It lies obliquely opposite the German Cancer Research Center (DKFZ). The building entrance is on the left, on the east side (towards the campus entrance). In the entryway you will find a sign with directions.

The workshop will take place in the lecture room (Hörsaal) on the ground floor. Find a detailed description of how to get to the building/lecture room here.

There are no uploaded videos yet.
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Mia Sloth Lundkvist

Session: Main Session

283 views
Date of upload:
19.10.2017
Co-author:
Abstract:
Workshop dinner remarks
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Mia Sloth Lundkvist

Session: Main Session

678 views
Date of upload:
19.10.2017
Co-author:
Abstract:
The presentation by Hans Kjeldsen.
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Mia Sloth Lundkvist

Session: Main Session

268 views
Date of upload:
03.11.2017
Co-author:
Abstract:
SCORe17 workshop photo
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Remo Collet

Session: Main Session

312 views
Date of upload:
03.11.2017
Co-author:
Abstract:
Short overview of observed and predicted effects of stellar chemical composition on granulation at the surface of red giant stars.
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Hans-G. Ludwig

Session: Main Session

272 views
Date of upload:
03.11.2017
Co-author:
Abstract:
The presentation revolves around the issue whether one can devise a theoretical functional form for the granulation background in temporal power spectra.
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Thomas Kallinger

Session: Main Session

313 views
Date of upload:
03.11.2017
Co-author:
Abstract:
no abstract
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Oskar Steiner

Session: Main Session

277 views
Date of upload:
03.11.2017
Co-author:
René Salhab
Abstract:
The rms of the relative fluctuation of the continuum intensity over the solar surface is sometimes taken as a measure for the quality of seeing and the telescope optics. Given space conditions, it increases with increasing telescope aperture, hence with increasing spatial resolution. Not so for the simulations, which show a fairly constant high contrast, independent of spatial resolution. This apparent paradox is also reflected in the intensity histogram. Instead of the bimodal histograms known from observations and simulations with two peaks corresponding to the granular and the intergranular intensities, we predict the disappearance of this bimodality at high spatial resolution.
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Oskar Steiner

Session: Main Session

290 views
Date of upload:
03.11.2017
Co-author:
René Salhab
Abstract:
From observations of the Sun, we know of the existence of a small-scale magnetism in the form of photospheric magnetic flux concentrations of granular and sub-granular scales. This small-scale magnetic structur has consequences for global quantities such as the total solar irradiance or the convective blueshift. Here we have a look at properties of the small-scale magnetism of cool stellar atmospheres, in particular at effects on the radiative intensity and flux from the stellar surface. Lack of direct observations, these properties are derived from three-dimensional radiation magnetohydrodynamic simulations, which start with either, a homogeneous vertical magnetic field, or, for comparison, without a magnetic field. The two settings are thought to represent states of high and low small-scale magnetic activity corresponding to maximum and minimum of a stellar magnetic cycle. Besides radiative, we also discuss interesting magnetic properties of the stellar small-scale magnetism.
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