Map 2: Location of Schloss Ringberg in Tegernsee area...
email: ringberg03@mpe.mpg.de
URL: www.xray.mpe.mpg.de/ringberg03
This page is an information support service provided by the scientific and local organizing committees. Visitors are referred to the MPE disclaimer/impressum. This page last updated: 23/01/2003
Scientific Organizing Committee (SOC)
Local Organizing Committee (LOC)
The workshop will therefore consist of very focussed reports contributing to the subject and discussion sessions devoted to working out a consensus on methodology and marking future tasks. The reports and discussions will be divided into 4 different topics:
1) Observations and modeling of the cluster abundance and evolution
2) Measuring the large-scale structure with X-ray clusters
3) Testing cosmological models and future prospects
4) Internal cluster evolution and link between observable and basic cluster parameters
Members of the SOC are assigned to the sessions to compile a focussed
set of reports from participants and prepare the discussion sessions. We
plan to produce proceedings which should not only contain scripts of the
reports but also summaries and recommendations for all 4 main topics worked
out by
those responsible for organizing the discussion (asking for help from
participants if relevant).
The participation to the workshop is quite limited since we can only accommodate about 50 participants. Therefore participation is by invitation only. We have no funds to support the travel or accommodation costs. Full board loging at the castle is currently 90 EUR per day. But there is also no conference fee!
We plan to have of the order of 30 talks and to be very selective in the sense how the talks are contributing to the discussion of the various topics. But everybody is involved in the discussion sessions where also short contributions are welcome and needed.
| Name | Indication (percentage) attendance probability |
| S. Borgani | 100 |
| H. Boehringer | 100 |
| R. G. Bower | 100 |
| C. A. Collins | 100 |
| L. Guzzo | 100 |
| A. E. Evrard | 100 |
| J. P. Henry | 100 |
| T. Ponman | 100 |
| P. Rosati | 100 |
| P. Schuecker | 100 |
| M. White | 100 |
| Name | Indication (percentage) attendance probability |
| S. Ettori | 100 |
| A. Finoguenov | 100 |
| M. Giradi | 100 |
| P. Lynam | 100 |
| K. Matsushita | 100 |
| C. Mullis | 100 |
| N. Nowak | 100 |
| K. Pedersen | 100 |
| P. Popesso | 100 |
| J. Retzlaff | 100 |
| L. Tornatore | 100 |
| P. Tozzi | 100 |
| R. van der Weygaert | 100 |
| M. Zimer | 100 |
| Y. Zhang | 100 |
| Name | Attendance Status |
| S. Allen | 100 |
| M. Arnaud | 100 |
| M. Balogh | 100 |
| C. Baugh | 100 |
| U. Briel | 100 |
| S. De Grandi | 100 |
| K. Dolag | 100 |
| S. Kay | 100 |
| R. Kneissl | 100 |
| P. Mazzotta | 100 |
| C. Miller | 100 |
| J. Mohr | 100 |
| L. Moscardini | 100 |
| A. Ortiz-Gil | 100 |
| U. Pen | 100 |
| E. Pierpaoli | 100 |
| T. Reiprich | 100 |
| A. K. Romer | 100 |
| M. Schulze | 100 |
| R. Sheth | 100 |
| V. Springel | 70 ? |
| Y. Suto | 100 |
| N. Tormen | 100 |
| P. Viana | 100 |
| M. Voit | 100 |
| X.P. Wu | 100 |
| Sunday January 12... |
| Arrivals in the Afternoon |
| Monday January 13... | |||||||||||||||||||||||||||
~~~ L U N C H ~~~ L U N C H ~~~ L U N C H ~~~ |
|||||||||||||||||||||||||||
~~~ D I N N E R ~~~ D I N N E R ~~~ D I N N E R ~~~ |
|||||||||||||||||||||||||||
|
Discussion Session on Possible Large Survey Programs with CHANDRA and XMM Discussion on a Proposal of a CHANDRA L.P. (initiative by J. P. Henry) Discussion on a Proposal of an XMM-Newton L.P. (initiative by H. Boeringer) |
Tuesday January 14
~~~ L U N C H ~~~ L U N C H ~~~ L U N C H ~~~ AFTERNOON SESSION: 14:00 - 18:00 (180/240 min.) Theory of Cosmological Model Tests with Clusters
~~~ D I N N E R ~~~ D I N N E R ~~~ D I N N E R ~~~ |
|||||||||||||||||||||||||||||||||||||||
|
Further definition of the CHANDRA and XMM-Newton Proposals Possibility for other special discussion sessions |
| Wednesday January 15... | ||||||||||||||||||||||||||||||
~~~ LU N C H ~~~ L U N C H ~~~ L U N C H ~~~
|
||||||||||||||||||||||||||||||
|
|
| Thursday January 16... | ||||||||||||||||||||||||
~~~ L U N C H ~~~ L U N C H ~~~ L U N C H ~~~ |
||||||||||||||||||||||||
~~~ END OF MEETING ~~~ |
| Posters... | ||
|
Notes on the discussion sessions:
Here we have prepared a list of major questions to help you to prepare for the discussion sessions. The questions are only meant as a guide and should not be seen as exclusive. We need to discuss everything that is related to the topic of the conference: what do we need to know to use clusters for the test of cosmological models, how precisely do we know it, what can we do to improve our knowledge.
Discussion 1 (30min) Discussion 0n Large-Scale Structure Traced by Clusters
- What is the current status of the LSS measurements ?
- Do clusters selected in different wavelength ranges trace the
same
structures ?
- What are the merits of different statistics to assess the LSS,
what is exactly probed by the different means ?
- What are the major uncertainties in the statistical estimates
and
how are they controlled ?
- What are the necessary corrections to go from
observations to the dark matter power spectrum ?
- How are different statistics best combined ?
- Can we reproduce the mass/X-ray luminosity dependent biasing,
can
we test the biasing ?
Discussion 2 (30min) Clusters in Simulations
- What can we learn from simulations, how accurately are the
tests
based on current simulations, how far can we go
with semi-analytic models ?
- What is the correct recipe to interpret the observational data
in
terms of cluster mass selected tracer samples ?
- How much do we have to worry about the effect of different
cluster
finding algorithms ?
Discussion 3 (45min) Galaxy Cluster Surveys
- How do we define clusters in the X-rays (optical), what is
the
influence of the definition on the selection function,
how well do
we understand the selection function ?
- What is the current status of the cluster abundance measurements,
for the X-ray luminosity function, for the temperature
function,
for other means of selection ?
- What do we know about cluster evolution in X-rays ?
- How do we relate measured selection parameters to cluster mass,
and what is the influence of this relation on the
results ?
- Do we have to worry when we combined the results of different
surveys
in e.g. studying selection effects if different
cluster sampling and
flux measuring methods have been used ?
The Future of Cluster Surveys
- What cluster surveys are planned for the future ?
- What prospects has a future X-ray cluster survey mission ?
- What are the prospects of non-X-ray cluster surveys
(in
particular Sloan, SZ) ?
Discussion 4 (45min) Testing cosmological models with galaxy clusters
- What are the most important statistical and systematic
uncertainties and what should we do to minimize
them ?
- What are the requirements for a representative sample ?
- What is the strength of clusters as cosmological probes and
how
do they compete with or complement other cosmological
measurements ?
- What is the range of cosmological models/parameters to be tested ?
Discussion 5 (60min) Problems in our knowledge of the cluster structure relevant for cosmological model testing
- What is the relation of scaling relations and internal structure ?
- What can we learn from the "scatter" in the cluster scaling relation ?
- How can we model cluster structure evolution with preheating
and
cooling models ?
- How reliable are cluster mass measurements and the models
of
cluster mass profiles ?
- Is the influence of cluster mergers a large uncertainty ?
- Can the structure of individual clusters be related to
their
evolutionary history ?
- How and why are cluster properties related to the galaxy
contents ?
Arriving in Bavaria by air: The Munich Franz-Josef Strauss Airport (MUC) lies approximately 17 km and 30 km north-east of Garching and Munich, respectively. Most major carriers offer service to Munich, although often with stopovers involved on the more distant (North American, for example) routes. There are many cheap fares available if you shop around, and these will normally require staying over one Saturday night. For participants arriving in the area already on Friday or Saturday the LOC can recommend and attempt to arrange for hotel accommodations in Munich.
Arriving in Bavaria by train and airport train transfers: Munich's main train station (Muenchen Hauptbahnhof, map here) can be reached from anywhere within Europe. From here, there are good public transportation connections to all of Munich. There are even railway connections to Tegernsee, in the vicinity of Schloß Ringberg.
Train connections between:
1) Munich Airport (Flughafen Muenchen) and Munich main train station
(Muenchen Hauptbahnhof, abbreviated as Muenchen Hbf), using the S1 or S8
metro
(.pdf file) lines;
2) Munich main train station (Muenchen Hauptbahnhof, abbreviated as
Muenchen Hbf) and Tegernsee, using the BOB trains;
3) Munich Airport (Flughafen Muenchen) and Tegernsee (with one change
at Donnersburgerbruecke from S1 or S8 metro
(.pdf file) lines to the BOB train).
can be investigated using the German railways (Deutsche Bahn, DB) web-based travel service. When using the English version of this service, the entries to use are: "Munich Airport", "Munich" (for the main train station) and "Tegernsee".
Alternatively, we have text files of:
Timetable
for outbound trains from Munich main train station (Muenchen Hbf.) to Tegernsee
for
Sunday afternoon and evening 12 January 2003;
Timetable
for return trains from Tegernsee to Munich main train station (Muenchen
Hbf.) for Thursday evening 16 January 2003;
Timetable
for return trains from Tegernsee to Munich main train station (Muenchen
Hbf.) for Friday morning 17 January 2003.
Note that in all cases, you will need to buy the appropriate ticket for your journey at the airport ticket desk (Fahrscheine) before descending to the platform and boarding the train. Further details regarding travel to Ringberg from Munich airport (in particular about navigating through Munich central train station) are available in the Arriving at Schloss Ringberg page, however we reproduce some useful maps below for convenience.
Airport bus transfers: Alternatively, and possibly more useful for those who plan to spend some days in downtown Munich before or after the Ringberg workshop, there is a "Lufthansa Airport Bus" coach service which collects passengers outside terminal A (every 20 minutes between 06:17 and 21:37, daily); terminal D (every 20 minutes between 06:25 and 21:45, daily) and the central area, Z (every 20 minutes between 06:20 and 21:40, daily) of Munich Airport. This service goes direct to Munich main train station in circa 45 minutes, stopping once en route at Nordfriedhof U6 metro station in the Schwabing district, North of Munich. Return journeys operate at simlar frequency. Adult single: 9 Euro. Adult return 14.50 Euro.
Arriving in Bavaria by car:
WARNING: Those intending to drive to Tegernsee are recommended to have winter tyres fitted (and if possible to carry snow chains). In particular, drivers of rented vehicles should request that winter tyres are fitted to the vehicle and inform the renting company that you plan to drive in the Tegernsee area. The Bavarian Police ran a pre-Christmas campaign of random spot-checks on vehicles in this area. While most of the main routes are kept clear, snow is lying in the Tegernsee area and fresh snow falls almost daily. The most trecherous part of the journey is likely to be the final ascent of the forest road from the main road in Tegernsee to the Castle. It is here that you should exercise extreme caution and be aware that vehicles may be descending. If you have problems getting up to the castle due to snow or ice (it should not be too bad, but be cautious) you can also leave your car at the parking lot at the bottom. Drive in about 50 m into the private castle road and you will find a space to your right. Walking up could take up to 20 min, not necessarily recommended with luggage. Inform us that you are there and the shuttle will pick you up as soon as possible. Don't forget to note down the cellular phone number.
Schloß Ringberg is located about 70 km SE of Munich. For
those interested in driving directly to the castle on Sunday, 12
January the LOC can send out detailed maps and instructions in advance
of the workshop. Most major car rental companies have branches at the Munich
Airport. Cars usually need to be reserved in advance, and rates are often
more favorable if the cars are booked by an overseas travel agent. There
is ample parking at the castle, and at the hotels in Kreuth and Rottach-Egern
near the castle. For those staying in Munich either before or after the
workshop, note that parking can be a problem there and is often quite expensive
as well. For those who wish to drive their own cars, maps of the Munich
and Tegernsee areas are provided below.
Map 2: Location of Schloss Ringberg in Tegernsee area...
The LOC will make arrangements for lodging during the conference for all participants and their accompanying persons, as desired. We will do our best to adhere to everyone's wishes. Due to the limited recreational facilities up at Schloß Ringberg, those travelling with accompanying persons and/or families will may be lodged in hotels in the villages below the Castle. The room rates in the village hotels range from about Euro 70 to Euro 110 per night for the cheapest single and the most expensive double, respectively, including breakfast. Daily transportation from the village hotels to the castle (about a 10-15 minute drive) will be provided by the LOC.
For participants wishing to stay in Bavaria before/after the Ringberg workshop, the LOC can recommend and attempt to assist with booking accommodation. Please do not hesitate to contact us with any requests. Unfortunately, we cannot make reservations for extended side trips. Room rates for hotels in the Munich/Garching area range from Euro 90-220 for singles or doubles.
Credit cards are now accepted at most hotels including Ringberg Castle. We will notify you if there are exceptions to this. Participants should indicate all their lodging preferences on the ASCII form.
Bavarian weather in the winter is usually crisp with daytime highs
around 3° C (??° F) and nighttime lows near -10° C (??°
F). Of course, this being central Europe, one should always be prepared
for rapid weather changes and rain, especially for the outing in the mountains.