Cosmo-torun

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328 discussions

Re: Porozumienie "Kosmologia i czastki elementarne"
by Boud Roukema 15 Oct '06

15 Oct '06

Cześć Krzysztof, On Mon, 9 Oct 2006, Krzysztof Meissner wrote: > Szanowni Panstwo, > > Zgodnie z decyzja wszystkich uczestnikow, `Porozumienie o > wspolpracy naukowej w dziedzinie badan teoretycznych "Czastki - > astrofizyka - kosmologia" ' ma posiadac strukture sieci tzn. miec > koordynatora i rade naukowa. Jak Panstwo wiecie, koordynatorem zostal > jednoglosnie wybrany prof. Stefan Pokorski. Do objecia funkcji > przewodniczacego rady zgloszono dwoch kandydatow (podajemy w > kolejnosci alfabetycznej): > > prof. Mariusz Dabrowski (Uniw. Szczecinski) > prof. Marek Zralek (Uniw. Slaski) W CA-UMK głosimy dla Mariusza Dąbrowskiego jako przewodniczący rady. pozdr boud > W zwiazku z tym proponujemy, by w celu wyboru kazdy z osrodkow wskazal w > liscie przeslanym na adres > Krzysztof.Meissner(a)fuw.edu.pl > jednego z kandydatow. Czekamy na listy do niedzieli 15.10. i w poniedzialek > 16.10. podamy do Panstwa wiadomosci wynik glosowania (lub, w przypadku > rownej liczby glosow, zarzadzimy ponowne glosowanie). > > Serdecznie pozdrawiamy > Zygmunt Lalak i Krzysztof Meissner > > > > > -- >

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Porozumienie "Kosmologia i czastki elementarne" (fwd)
by Boud Roukema 15 Oct '06

15 Oct '06

hi cosmo-torun, We as the CA-UMK group of the cosmo-pp network need to choose, by this weekend (15.10.06), between Mariusz Dąbrowski and Marek Zrałek as "przewodniczący" of the cosmo-pp network. The vote seems to be confidential, though each group presumably has its own way of deciding. i suggest informal discussion by whatever means (email/face-to-face/...) and attempts to get informal consensus - consensus probably better *not* on public lists/twiki if it's about personal stuff of the two candidates, but IMHO it can be public if it's a meta-level question (e.g. should we ask questions to the two candidates?) i suggest the following procedure (since we won't necessarily get consensus): * everyone who wants to "vote" email me his/her vote before the deadline * i will publish the names of the people who vote and which candidate has the majority - if it's 50:50 i'll toss a coin. If someone wants a more formal or structured process, then please propose it. Both candidates seem fine to me, so i don't expect this to be terribly controversial, but as a matter of principle, i prefer it to be more participatory rather than less participatory. After all, in the long term this sort of thing does have an effect and jobs and cosmology funding. See http://arxiv.org: hep-ph, astro-ph, gr-qc for Mariusz' and Marek's scientific work. For their experience as moderators, i guess you need to look elsewhere. pozdr boud > ---------- Forwarded message ---------- > Date: Mon, 9 Oct 2006 14:45:44 +0200 (CEST) > From: Krzysztof Meissner... > To: Stefan Pokorski.. > Subject: Porozumienie "Kosmologia i czastki elementarne" > > Szanowni Panstwo, > > Zgodnie z decyzja wszystkich uczestnikow, `Porozumienie o > wspolpracy naukowej w dziedzinie badan teoretycznych "Czastki - > astrofizyka - kosmologia" ' ma posiadac strukture sieci tzn. miec > koordynatora i rade naukowa. Jak Panstwo wiecie, koordynatorem zostal > jednoglosnie wybrany prof. Stefan Pokorski. Do objecia funkcji > przewodniczacego rady zgloszono dwoch kandydatow (podajemy w > kolejnosci alfabetycznej): > > prof. Mariusz Dabrowski (Uniw. Szczecinski) > prof. Marek Zralek (Uniw. Slaski) > > W zwiazku z tym proponujemy, by w celu wyboru kazdy z osrodkow wskazal w > liscie przeslanym na adres > Krzysztof.Meissner(a)fuw.edu.pl > jednego z kandydatow. Czekamy na listy do niedzieli 15.10. i w poniedzialek > 16.10. podamy do Panstwa wiadomosci wynik glosowania (lub, w przypadku > rownej liczby glosow, zarzadzimy ponowne glosowanie). > > Serdecznie pozdrawiamy > Zygmunt Lalak i Krzysztof Meissner

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Re: Fw: Porozumienie "Kosmologia i czastki elementarne" (fwd)
by Boud Roukema 05 Oct '06

05 Oct '06

hi cosmo-torun, If nobody has any objections, i'll send the following email to the "Rozumienie" that Marek Zrałek is coordinating. Reminder: this is cosmologists/particle physicists organising a "pre-formal" network in Poland, which can later be joined to create a European network, in order to get research funding for cosmologyu/particle physics. At the moment it's only "informal" with the idea of waiting until a new ustawa comes through, but the cosmologists from the different institutes are writing sort of formally. We're asked to respond by tomorrow (sorry about not writing earlier) about "votes" (or proposals) for a head of the council and a coordinator - several people have proposed Stefan Pokorski as council head and Marek Zrałek as coordinator. You can see what they do (hep-ph - high-energy physics phenomenology) here: Marek: http://arxiv.org/find/hep-ph/1/au:+zralek/0/1/0/all/0/1 Stefan: http://arxiv.org/find/hep-ph/1/au:pokorski/0/1/0/all/0/1 i think their scientific track records speak for themselves. If noone objects by tomorrow, i'll post the text below to the (offlist) cc: list of the porozumienie. pozdr boud ---------------------------------------------------------------------- Porozumienie "Kosmologia i czastki elementarne" Drogie Koleżanki i drodzy Koledzy, Proponuję w imeniu Centrum Astronomicznego Uniwersytetu Mikołaja Kopernika Prof. Marka Zrałka na stanowisko Przewodniczacego Rady i Prof. Stefana Pokorskiego na stanowisko Koordynatora. Serdecznie pozdrawiam wszystkich uczestnikow Porozumienia Boud Roukema, CA-UMK ----------------------------------------------------------------------

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draft title/abstract for seminar
by Boud Roukema 04 Oct '06

04 Oct '06

witam cosmo-torun, Andrzej Kus mi prosił zrobić seminarium poniedziałek 9.10.2006. Jeśli ktoś chce sugerować poprawki, proszę mów. Abstrakt jest raczej długi, ale jest trudny zrobić krótkiejszy dla osoby nie znając temat... Oczywiście, będę też iść trochę na wyniki WMAP itd, ale nie widzę, że muszę to mówić w abstrakcie. pozdr boud Title 2006 Nobel prize: Cosmological black body and density perturbations Abstract The standard hot big bang model became widely accepted as a serious model in 1965 after the discovery of the 3 Kelvin primordial background radiation (CMB), but it was still regarded sceptically by many astronomers. During the 1980s and early 1990s, the model's prediction that the background radiation should have a nearly perfect Planckian black body spectrum was only weakly tested. The other untested prediction of the model was that the Universe is not perfectly uniform, it needed density perturbations which could gravitationally collapse to form clusters of galaxies and galaxies and stars. The COBE satellite, coordinated by Smoot, Mather and Wilkinson, revealed that the CMB black body was more perfect than any black body created artificially in Earth based laboratories. Moreover, in its map of the CMB, it detected 0.001% fluctuations in the temperature - revealing the density perturbations necessary to form galaxies. These results spectacularly confirmed two of the basic physical predictions of the hot big bang model.

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ESO-ESA working group on fundamental cosmology: report
by Boud Roukema 03 Oct '06

03 Oct '06

http://www.stecf.org/coordination/esa_eso/wg.php?working_group=cosmology ESA-ESO WG on Fundamental Cosmology Working Group Members: George Efstathiou John Ellis Bruno Leibundgut Simon Lilly Yannick Mellier John Peacock (chair) Peter Schneider (co-chair) Abstract of final report In September 2003, the executives of ESO and ESA agreed to establish a number of working groups to explore possible synergies between these two major European astronomical institutions on key scientific issues. The first two working group reports (on Extrasolar Planets and the Herschel--ALMA Synergies) were released in 2005 and 2006, and this third report covers the area of Fundamental Cosmology. The Working Group's mandate was to concentrate on fundamental issues in cosmology, as exemplified by the following questions: * What are the essential questions in fundamental cosmology? * Which of these questions can be tackled, perhaps exclusively, with astronomical techniques? * What are the appropriate methods with which these key questions can be answered? * Which of these methods appear promising for realization within Europe, or with strong European participation, over the next ~15 years? * Which of these methods has a broad range of applications and a high degree of versatility even outside the field of fundamental cosmology? >From the critical point of view of synergy between ESA and ESO, one major resulting recommendation concerns the provision of new generations of imaging survey, where the image quality and near-IR sensitivity that can be attained only in space are naturally matched by ground-based imaging and spectroscopy to yield massive datasets with well-understood photometric redshifts (photo-z's). Such information is essential for a range of new cosmological tests using gravitational lensing, large-scale structure, clusters of galaxies, and supernovae. All these methods can in principle deliver high accuracy, but a multiplicity of approaches is essential in order that potential systematics can be diagnosed -- or the possible need for new physics revealed. Great scope in future cosmology also exists for ELT studies of the intergalactic medium and space-based studies of the CMB and gravitational waves; here the synergy is less direct, but these areas will remain of the highest mutual interest to the agencies. All these recommended facilities will produce vast datasets of general applicability, which will have a tremendous impact on broad areas of astronomy. Full report (2.4Mb pdf): http://www.stecf.org/coordination/esa_eso/cosmology/report_cover.pdf

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smoot/mather nobel
by Boud Roukema 03 Oct '06

03 Oct '06

hi everyone, There's a media thread here for the Smoot/Mather Nobel prize: http://cosmo.torun.pl/pipermail/cosmo-media/2006-October/thread.html i don't want to spam everyone, so please just update the twiki: http://cosmo.torun.pl/cgi-bin/twiki/view/Cosmo/MediaNobelSmootMather or subscribe to and respond on cosmo-media. A tv crew will be here (KRA) around 15.30. pozdr boud

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Marseille June 2007: GRB+cosmology conference
by Boud Roukema 21 Sep '06

21 Sep '06

hi cosmo-torun, Two interesting conferences in Marseille... pozdr boud > ---------- Forwarded message ---------- > Date: Tue, 19 Sep 2006 11:14:14 +0200 > From: SF2A(a)cesr.fr > To: sf2a(a)cesr.fr > Subject: sf2a : vos dernieres nouvelles > > Message SF2A No 266 - 19/09/06 Sur le web: http://www.ast.obs-mip.fr/users/contini/SF2A/messages/266.htx ------------------------------------------------------------------------ 2. "Energetics events in the universe..." - Marseille, 25-28/06/07 4. "Towards the European ELT (E-ELT) - Marseille, 27/11-01/12/06 ------------------------------------------------------------------------ ------------------------------------------------------------------------ 2. "Energetics events in the universe..." - Marseille, 25-28/06/07 ------------------------------------------------------------------------ ENERGETIC EVENTS IN THE UNIVERSE: FROM PHYSICS TO COSMOLOGY 25-28 June 2007, Marseille, France This conference is aimed at reviewing the physics of energetic objects and processes in the Universe, and their impact on cosmology and cosmic evolution. Scientific rationale: Energetic events in terms of physical processes or specific objects are incomparable tools to probe the Universe and its components. They are signature of dramatic processes in the primordial Universe with gravitational waves consecutive to an inflationary phase or in the present one with possible annihilation of dark matter. They are bright candles, like SNe or GRBs, allowing to stride space and look back in time on prodigious scales. They are beacons whose light reveals both their hosts and matter along their path. As such, the aim of this conference is to explore all these aspects focusing on the physics of objects and processes in the perspective of their use for cosmology and cosmic evolution (which are the titles of our 3 sessions). Sessions will be devoted to these topics with both reviews and short contributions. INVITED REVIEWERS SESSION I: PHYSICS OF OBJECTS AND PROCESSES Inflation as a paradigm is now part of the cosmological model. It is the most energetic period of the Universe. What is the underlying physics? What are predictions like those e.g concerning primordial GW which renders specific models falsifiable? What are the observational prospects? * Pre Big Bang period, inflation, induced primordial GW : Dr Mukhanov (Munich University) * Is inflation falsifiable with foreseen instrumentation ? : Dr A. Cooray (UC Irvine) Dark matter is probably unavoidable from galaxy and cluster dynamics and LSS growth. It is still a challenge to know what it is, and what the different detection methods can do to identify its nature. The theoretical predictions and experimental perspectives will be addressed with a special attention on high energy annihilation products * Dark matter annihilation and its products : Dr P. Salati (LAPP- IN2P3) * Complementarity between Direct and indirect Dark Matter searches and Collider Experiments : Dr Sadoulet (Berkeley) Supernovae and GRBs are produced by the cataclysmic end of stars. SN Ib/C, SNII and long GRBs are produced by the core collapse of massive stars and are intrinsically linked. SNIa and short GRBs are respectively produced by the collapse of a white dwarf and by the collapse of two neutron stars. Reviews on the origin and on the connection between these different phenomena will be presented. The impact on the cosmological applications of the long GRBs and SNIa will be emphasized. * The physical mechanisms at play in explosive stars : Dr P. Meszaros (Penn. State University) * Supernova and GRB connection : Dr P. Mazzali (INAF - Trieste) SESSION II : IMPACT ON COSMOLOGY The recent acceleration expansion of the universe has been put on firm basis using SNI. Other probes are however needed to perform precision cosmology, in particular to higher z (are other acceleration phases possible?). Reviews will present the state of art on how SN and GBR would be more and more "standardizable " as well as a status on present searches and future prospects. * Can we standardize the GRBs ? : Dr L. Amati (INAF - Bologna) * Latest GRBs observations for cosmology : a status report and future prospects : Dr Berger (Carnegie) Towards a better SN standardization: beyond stretch and color corrections : Dr L. Wang (LBL) * Status on present searches and observational perspectives in using SN's for cosmology : A. Ealet (CPPM-IN2P3) SESSION III : IMPACT ON COSMIC EVOLUTION Even more than QSOs, GRB seem to be the brightest and most distantsources in the Universe. They are thus suitable to probe in details the intergalactic medium at all epochs, including the re-ionization, on which they themselves impact. They are also the first star-forming objects, providing first hints on the star formation history of the Universe. * Probing cosmic chemical evolution with GRB's : Dr Prochaska (Lick Observatories) * Impact on cosmic re-ionization : Dr Ferrara (SISSA) Science Organizing Committee : * M. Boer (Observatoire de Haute Provence / OAMP) * B. Degrange (Laboratoire Leprince-Ringuet) * N. Gehrels (Goddard Space Flight Center) * J. Hu (NAOC, Beijing) * P. Madau (University of California) * P. Natarajan (University of Yale) * J. Paul (APC/CEA) * S. Perlmutter (Lawrence Berkeley Laboratory) * M. Vietri (University of Roma 3) * D. York (University of Chicago) Conference contact: marseille2007(a)oamp.fr Local Organizing Committee: * S. Basa (LAM) * J.P. Kneib (LAM) * V. Le Brun (LAM) * R. Malina (LAM) * A. Mazure (LAM) * C. Marinoni (CPT) * C. Tao (CPPM) ------------------------------------------------------------------------ 4. "Towards the European ELT (E-ELT) - Marseille, 27/11-01/12/06 ------------------------------------------------------------------------ Towards the European Extremely Large Telescope (E-ELT) - Marseille, Nov. 27 - Dec 01 The conference includes a presentation of the E-ELT project status by ESO and two sessions dedicated to ELT science and instrumentation. The scientific organizers of the conference are ESO, LAM and OPTICON. Deadlines for abstract submission and funding requests is September 30th. People are advised to book their hotels as soon as possible. The conference venue is Marseille, Palais du Pharo. See the web site of the conference for further details at --> http://www.elt2006.org SF2A----SF2A----SF2A----SF2A----SF2A----SF2A----SF2A----SF2A----SF2A Visitez l'excellent site web de la SF2A: http://www.sf2a.asso.fr ! Les dernieres informations, les derniers sujets brulants, toutes les informations concernant la SF2A, les meilleurs liens sur la toile, un seul et unique site: http://www.sf2a.asso.fr . A vos bookmarks ! Pour toutes informations complementaires, comme pour faire passer vos messages, envoyez un mail a Thierry Contini (sf2a(a)cesr.fr). Les messages doivent me parvenir imperativement sous forme de texte ASCII simple (les accents et caracteres speciaux doivent etre supprimes). MERCI! SF2A----SF2A----SF2A----SF2A----SF2A----SF2A----SF2A----SF2A----SF2A

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CFHT deep surverys - LETTRE DU PNG Num 52 (fwd)
by Boud Roukema 19 Sep '06

19 Sep '06

cześć cosmo-torun, Mamy nowy doktorant :) - chyba będzies sam się przedstawić do wszystkich... ? Kilka słów o co chcesz zrobić? W każdym bądź razie, myślę, że te spotkanie mógł być *bardzo* interesujące dla tematu. Cytat na dolu jest trochę w (fr) ale większość jest w (en). Najważniejszy jest tu: > A national (French) CFHTLS users meeting will be organised on > November 6-7 , 2006 in Paris (IAP). Formalnie jest tylko ,,narodowy", ale język angielski ewidentnie będzie dużo używany - tytuły wykłady są wszystko w (en): http://terapix.iap.fr/article.php?id_article=624 i też reklama ,,wewnętrzna" francuska. Więc chyba wielki patriotyzm nie będzie ;) - raczej pryorytet jest nauka. Możemy mówić o możliwości finansowanie poza listy - niestety, zawsze jest to sprawa administracyjna nudna... Jest to tylko krótki - 2 dni - spotkanie, ale to polecam. pozdr boud ---------- Forwarded message ---------- > Date: Mon, 4 Sep 2006 18:26:29 +0200 > From: PNG paduc cea fr > To: boud... > Subject: LETTRE DU PNG Num 52 LETTRE DU PNG Num 52 -- 4 septembre 2006-- LETTRE DU PNG Num 52 ----------------------------------------------------------------------- 2. Date limite de dépot des demandes de temps CFHT pour 2007A Le TCFH est ouvert aux demandes de temps pour 2007A. La date limite de depot des demandes est le 21 septembre 2006 - 24:00 UTC A noter que la camera infrarouge WIRCam est offerte pour la deuxieme fois a de Grands Programmes en 2007A. Les informations necessaires sur les instruments, les Grands Programmes WIRCam et la soumission des demandes sont disponibles depuis la page web du TCFH: http://www.cfht.hawaii.edu/ et depuis celle du Comité Francais du Telescope Canada France Hawaii (CFTCFH): http://wwwgepi.obspm.fr/cfcfht/FTAC/ 3. Réunion des utilisateurs français du CFHTLS A national (French) CFHTLS users meeting will be organised on November 6-7 , 2006 in Paris (IAP). If you planned to attend and/or present results, please send an email to mellier(a)iap.fr and hjmcc(a)iap.fr . This meeting will be an opportunity to summarize the status of the surveys (Deep, Wide, Very Wide), to show users scientific results and to express users needs. The meeting will be a preparation for the CFHTLS progress report the Steering Group will prepare for the May 2007 SAC meeting and for the next CFHT Users meeting planned by May 2007 in Marseille (likely May 9-11). During this meeting we will have a session on the future surveys, beyond CFHTLS, with CFHT. Information: http://terapix.iap.fr/rubrique.php?id_rubrique=223 Enfin, quelques infos moins recentes concernant le CFHTLS mais qui, parues juste avant la periode estivale, ont pu vous echapper: 4. Redshift photometriques du CFHTLS The photometric redshifts computed using the TERAPIX-T0003 photometric catalogues are available on line. They have been calibrated using 3200 spectroscopic redshifts from the VLT-VIRMOS deep survey. Information: http://terapix.iap.fr/article.php?id_article=586 5. Worldwide CFHTLS Data Releases Since Jun. 30, 2006, all raw data and Elixir data products obtained from May 30, 2003 to May 29, 2004 are publicly available and open to world access at CADC. The first worlwide release of stacks and catalogs produced by Terapix will happen in February 2007. It will consist of the T0003 release. Information: http://www.cfht.hawaii.edu/Science/CFHLS/cfhtlsdatarelease.html

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links to pico-cosmology decision at IAU
by Boud Roukema 26 Aug '06

26 Aug '06

witam cosmo-torun Probably everyone has already heard of the pico-cosmology decision in Prague, but i thought it would be nice to have the direct links (rather than indirect stuff through corporate media...): Resolutions 5A and 6A were passed: http://www.iau2006.org/mirror/www.iau.org/iau0603/index.html i assume this means that resolutions 5B and 6B were not passed: http://www.iau2006.org/mirror/www.iau.org/iau0602/index.html i wonder if someday the IAU will need vote on cosmology conventions without the "pico-" prefix... ;) pozdr boud

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MEiN (byly KBN) non-grant 2006 :(
by Boud Roukema 31 Jul '06

31 Jul '06

hi everyone, Here's my summary of our grant rejection for this year, with my one sentence summaries - the full scans are linked on the twiki: http://cosmo.torun.pl/Cosmo/AdminGranty 2006 * referee 1: score 4 * referee 1: report - not possible to reject the hypothesis, so not worth funding * referee 2: score 7 * referee 2: report - the project will not give a final answer to the topology of the Universe * referee 3: score 6.5 * referee 3: report - researching the PDS model no longer has any sense because of the [unrefereed] article AstroPh:0604616 Summary: unless there is a Nobel prize for discovering the topology of the Universe, research into the subject will not be funded. The astronomy community does not see fundamental research as a high priority. Maybe we should get jobs in a Patent Office? ;) Apparently not much has changed since 100 years ago... Anyway, it's true we need to publish our followup paper to RLCMB04. Which is in progress... pozdr boud

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