BEGIN:VCALENDAR VERSION:2.0 PRODID:-//AIP Calendar//www.aip.de// METHOD:PUBLISH BEGIN:VEVENT SUMMARY:Beobachtungsabend im Großen Refraktor DTSTART:20260226T180000Z DTEND:20260226T190000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2182 CATEGORIES:Öffentliches CATEGORIES:Öffentlichkeitsarbeit CATEGORIES:öffentlich CONTACT:presse@aip.de DESCRIPTION:Das AIP lädt zum öffentlichen Beobachtungsabend im Großen R efraktor auf dem Telegrafenberg in Potsdam ein. Vorherige Anmeldung erford erlich\, siehe Beobachtungsabende.\nTreffpunkt: Kuppel des Refraktorgebäu des\, Telegrafenberg\n LOCATION:Großer Refraktor\, Telegrafenberg END:VEVENT BEGIN:VEVENT SUMMARY:Beobachtungsabend im Großen Refraktor DTSTART:20260327T180000Z DTEND:20260327T190000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2183 CATEGORIES:Öffentliches CATEGORIES:Öffentlichkeitsarbeit CATEGORIES:öffentlich CONTACT:presse@aip.de DESCRIPTION:Das AIP lädt zum öffentlichen Beobachtungsabend im Großen R efraktor auf dem Telegrafenberg in Potsdam ein. Vorherige Anmeldung erford erlich\, siehe Beobachtungsabende.\nTreffpunkt: Kuppel des Refraktorgebäu des\, Telegrafenberg\n LOCATION:Großer Refraktor\, Telegrafenberg END:VEVENT BEGIN:VEVENT SUMMARY:Babelsberger Sternennacht - Live auf dem Campus Babelsberg DTSTART:20260219T181500Z DTEND:20260219T200000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2225 CATEGORIES:Öffentliches CATEGORIES:Öffentlichkeitsarbeit CATEGORIES:öffentlich CONTACT:presse@aip.de DESCRIPTION:Das AIP lädt zu einer live Babelsberger Sternennacht auf dem Campus Babelsberg ein.\n19:15 Uhr: Vortrag Prof. Dr. Katja Poppenhäger: „Exoplaneten – Fremde Welten um ferne Sterne“Im Anschluss bieten wir einen Rundgang über das Gelände. Bei klarer Sicht ist die Beobachtung a n einem unserer Spiegelteleskope möglich.Wir freuen uns auf Ihren Besuch! Freier Eintritt\, keine Anmeldung erforderlich.\n LOCATION:Konferenzraum Maria-Margaretha-Kirch-Haus\, Leibniz-Institut für Astrophysik Potsdam (AIP)\, An der Sternwarte 16\, 14482 Potsdam END:VEVENT BEGIN:VEVENT SUMMARY:Babelsberger Sternennacht - Live auf dem Campus Babelsberg DTSTART:20260319T181500Z DTEND:20260319T200000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2226 CATEGORIES:Öffentliches CATEGORIES:Öffentlichkeitsarbeit CATEGORIES:öffentlich CONTACT:presse@aip.de DESCRIPTION:Das AIP lädt zu einer live Babelsberger Sternennacht auf dem Campus Babelsberg ein.\n19:15 Uhr: Vortrag Dr. Oliver Gressel: „Viel Wir bel um Sternenstaub – Strömungsmechanik der Planetenentstehung“Im Ans chluss bieten wir einen Rundgang über das Gelände. Bei klarer Sicht ist die Beobachtung an einem unserer Spiegelteleskope möglich.Wir freuen uns auf Ihren Besuch! Freier Eintritt\, keine Anmeldung erforderlich.\n LOCATION:Konferenzraum Maria-Margaretha-Kirch-Haus\, Leibniz-Institut für Astrophysik Potsdam (AIP)\, An der Sternwarte 16\, 14482 Potsdam END:VEVENT BEGIN:VEVENT SUMMARY:Babelsberger Sternennacht - Live auf dem Campus Babelsberg DTSTART:20260416T171500Z DTEND:20260416T190000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2227 CATEGORIES:Öffentliches CATEGORIES:Öffentlichkeitsarbeit CATEGORIES:öffentlich CONTACT:presse@aip.de DESCRIPTION:Das AIP lädt zu einer live Babelsberger Sternennacht auf dem Campus Babelsberg ein.\n19:15 Uhr: Vortrag Dr. Marcel Pawlowski: „Tanzen de Galaxien\, Dunkle Materie und andere kosmische Rätsel“Im Anschluss b ieten wir einen Rundgang über das Gelände. Bei klarer Sicht ist die Beob achtung an einem unserer Spiegelteleskope möglich.Wir freuen uns auf Ihre n Besuch! Freier Eintritt\, keine Anmeldung erforderlich.\n LOCATION:Konferenzraum Maria-Margaretha-Kirch-Haus\, Leibniz-Institut für Astrophysik Potsdam (AIP)\, An der Sternwarte 16\, 14482 Potsdam END:VEVENT BEGIN:VEVENT SUMMARY:37th XMM-SSC Consortium Meeting 2026 DTSTART;VALUE=DATE:20260317 DTEND;VALUE=DATE:20260320 DTSTAMP:20260307T083612Z UID:www.aip.de-2294 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftliches Meeting/Workshop CATEGORIES:öffentlich CONTACT:Iris Traulsen DESCRIPTION:Das XMM-Newton Survey Science Centre (XMM-SSC) ist ein von der ESA ausgewähltes internationales Konsortium aus mehreren Ländern\, um d ie Nutzung von XMM-Newton-Daten zu vereinfachen. Die Teams von XMM-SSC und ESA entwickeln die wissenschaftliche Analysesoftware und die Kataloge mit zufällig entdeckten Quellen. In Vorbereitung auf die 5. Kataloggeneratio n kommen beim 37. Konsortiumstreffen die Konsortiumsmitglieder\, interessi erte Wissenschaftlerinnen und Wissenschaftler aus den Konsortialinstituten und ESA-Forschende zusammen\, um über die Wissenschaft und Entwicklungen von XMM-Newton zu diskutieren.\n LOCATION:Leibniz-Institut für Astrophysik Potsdam (AIP)\, Konferenzraum\, Maria-Margaretha-Kirch-Haus\, An der Sternwarte 16 14482 Potsdam END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Tobias Buck (Heidelberg) DTSTART:20261119T133000Z DTEND:20261119T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2306 CATEGORIES:Wissenschaftliches CATEGORIES:Allgemeiner Kalendertermin CATEGORIES:öffentlich CONTACT:Ewald Puchwein DESCRIPTION:Speaker: Tobias Buck (Heidelberg)\nTitle: TBD\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Alice Quillen (University of Rochester) DTSTART:20260430T123000Z DTEND:20260430T133000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2347 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Ivan Minchev DESCRIPTION:Speaker: Alice Quillen (University of Rochester)\nTitle: Conne ctions and Complexity in Dynamical Astronomy: From Classical to Quantum Ch aos\nAbstract: TBD\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Melissa Pesce-Rollins DTSTART:20260205T133000Z DTEND:20260205T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2348 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Julián Alvarado-Gómez DESCRIPTION:Speaker: Melissa Pesce-Rollins (Istituto Nazionale di Fisica N ucleare | Pisa\, Italy)\nTitle: The flaring gamma-ray Sun: 17 years of obs ervations with the Fermi Large Area Telescope\nAbstract: The Fermi Large A rea Telescope (LAT) observations of the active Sun provide the largest sam ple of detected solar flares with emission greater than 30 MeV to date. Th ese include detections of impulsive and hours-long sustained emission as w ell as greater than 100 MeV emission from flares whose active regions wher e located behind the visible limb. Identifying the mechanism responsible f or accelerating electrons/ions and the site at which it occurs is one of t he outstanding questions in solar physics. Many advances have been made ov er the past decade thanks to new observational data and refined simulation s that together help to shed light on this topic. In this seminar I will p rovide a brief overview of the most salient results from the first 17 year s of Fermi-LAT in orbit and how this observational channel combined with o bservations from across the electromagnetic spectrum can provide a unique opportunity to diagnose the mechanisms of high-energy emission and particl e acceleration in solar flares.\nNote: Host: Jake Mitchell\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Giuseppe Lodato DTSTART:20260416T123000Z DTEND:20260416T133000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2349 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Julián Alvarado-Gómez DESCRIPTION:Speaker: Giuseppe Lodato (Università degli Studi di Milano St atale | Milan\, Italy)\nTitle: TBD\nAbstract: TBD\nNote: Host: Steven Rend ón Restrepo\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Heather Cegla (University of Warwick | Coventry\, UK) DTSTART:20260423T123000Z DTEND:20260423T133000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2350 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Julián Alvarado-Gómez DESCRIPTION:Speaker: Heather Cegla (University of Warwick | Coventry\, UK) \nTitle: TBD\nAbstract: TBD\nNote: Host: Katja Poppenhäger\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Alessandro Morbidelli DTSTART:20260521T123000Z DTEND:20260521T133000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2351 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Julián Alvarado-Gómez DESCRIPTION:Speaker: Alessandro Morbidelli (Observatoire de la Cote d' \;Azur | Nice\, France)\nTitle: Formation and evolution of a protoplanetar y disk: combining observations\, simulations and cosmochemical constraints \nAbstract: Observations of protoplanetary disks with ALMA have revealed a large diversity of properties\, but also some common tendencies in terms of dust/gas density and radial extension ratios\, as well as the appearanc e of features like rings and gaps or cavities. It is too late to observe t he proto-solar disk\, but many of its properties can be inferred from the current distribution of planetesimals and using cosmochemical constraints on the chronology of planetesimal accretion and the isotopic heterogeneity of the disk. I will review the available data which can be used to recons truct the proto-solar disk. The view that emerges is that of a quite stand ard disk of about 90 au in gas radius and 45 au in dust radius\, forming p lanetesimals at two distinct epochs (one of which very early\, while the d isk was presumably still in Class-0 or Class-1 stage) and evolving towards a transition disk at the appearance of Jupiter and Saturn. Similarities a nd differences with the PDS70 disk will be discussed.\nNote: Host: Oliver Gressel\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Serena Criscuoli DTSTART:20260618T123000Z DTEND:20260618T133000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2352 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Julián Alvarado-Gómez DESCRIPTION:Speaker: Serena Criscuoli (National Solar Observatory | Boulde r\, CO\, USA)\nTitle: TBD\nAbstract: TBD\nNote: Host: Meetu Verma\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Antoine Strugarek (CEA Saclay | Paris\, France) DTSTART:20261015T123000Z DTEND:20261015T133000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2353 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Julián Alvarado-Gómez DESCRIPTION:Speaker: Antoine Strugarek (CEA Saclay | Paris\, France)\nTitl e: TBD\nAbstract: TBD\nNote: Hosts: Ilaria Civale and Katja Poppenhäger\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Anna Watts (University of Amsterdam | Amsterdam\, The Netherlands) DTSTART:20260312T133000Z DTEND:20260312T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2356 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Julián Alvarado-Gómez DESCRIPTION:Speaker: Anna Watts (University of Amsterdam | Amsterdam\, The Netherlands)\nTitle: Mapping neutron stars\, inside and out\nAbstract: NI CER\, the Neutron Star Interior Composition Explorer\, is an X-ray telesco pe on the International Space Station. Its primary mission has been to mea sure neutron star masses and radii\, quantities that enable us to investig ate the nature of the ultradense nuclear matter in the star’s cores. NIC ER exploits relativistic effects on X-rays emitted from the hot magnetic p olar caps of millisecond pulsars\, a technique that also lets us map the h ot emitting regions on the stellar surface. I will present NICER’s lates t results and discuss the implications for our understanding of ultradense matter\, pulsar emission\, and stellar magnetic fields. I will also expla in how we are now extending the technique to study accreting neutron stars \, in preparation for the launch of eXTP in 2030 and eventually NewAthena. \nNote: Host: Axel Schwope\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Neale Gibson (Trinity College Dublin | Dublin\, Irela nd) DTSTART:20260226T130000Z DTEND:20260226T140000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2357 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Julián Alvarado-Gómez DESCRIPTION:Speaker: Neale Gibson (Trinity College Dublin | Dublin\, Irela nd)\nTitle: From light curves to alien atmospheres: how to probe the compo sition\, structure and dynamics of transiting planets\nAbstract: Thousands of exoplanets have been discovered in the last decades\, and their divers ity has been truly astounding\, posing profound challenges to our understa nding of planets and their formation. To truly understand them we need spe ctra of their atmospheres\, which in turn allow us to probe planets’ com positions and temperatures\, measure precise abundances\, and even underst and their 3D structure. Transiting planets allow such measurements via tra nsmission\, eclipse and phase curve spectroscopy\, and in recent years thi s area has been revolutionised. This is in part due to JWST which has tran sformed our ability to measure spectroscopic light curves\, but also due t o a quieter revolution in ground-based 'Doppler-resolved' spectroscopy. My group focuses on improving observational and modelling techniques that in turn enhance what we can learn from transiting planet observations. I wil l give an overview of the common techniques used to probe transiting plane t atmospheres\, discuss some recent developments\, and present results ran ging from exploring 3D effects in ultra-hot Jupiters to searching for the presence of an atmosphere around a rocky exoplanet. Finally\, I will discu ss some challenges in extending our current techniques to rocky exoplanets using next-generation facilities such as the E-ELT.\nNote: Hosts: Martiñ o Balboa Costa and Katja Poppenhäger\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Andrew Pontzen (Durham University) DTSTART:20261112T133000Z DTEND:20261112T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2359 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Ewald Puchwein DESCRIPTION:Speaker: Andrew Pontzen (Durham University)\nTitle: TBD\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Ralf Klessen (ITA\, Heidelberg) DTSTART:20260219T133000Z DTEND:20260219T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2360 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Ewald Puchwein DESCRIPTION:Speaker: Ralf Klessen (ITA\, Heidelberg)\nTitle: The astronomi cal odds for a starry night\, or how unique is our place in the Universe?\ nAbstract: The star-filled night sky that inspired Vincent van Gogh’s St arry Night has guided human navigation\, art\, and scientific inquiry thro ughout history. Yet it remains unclear whether such a view is typical acro ss the Milky Way or the result of unusually favorable cosmic circumstances . Using stellar catalogues\, Gaia-based three-dimensional reconstructions of interstellar dust\, and high-resolution simulations of a Milky Way–li ke galaxy\, we quantify how the local interstellar medium regulates the vi sibility of stars for an Earth-like observer. A central aspect of this inv estigation is our knowledge of our local Galactic environment. Our solar s ystem is currently located in the middle of a large cavity of tenuous\, ho t gas\, the Local Bubble. We believe this structure originated from the en ergy and momentum released by 15–20 supernova explosions over the past 1 5 million years or so\, which displaced the nearby interstellar medium\, l ike a snowplow pushing snow from the street to pile it up along the sidewa lk. This environment may not be unique and there are likely thousands of s imilarly large bubbles in the Milky Way\, a view that is supported by rece nt observations with the James Webb Space Telescope in nearby galaxies. Be tter understanding the Local Bubble is important\, not only because it def ines our place in the Milky Way and many of the nearby star-forming region s are associated with the walls of the Local Bubble\, but also because ess entially all extragalactic observations pass through this cavity and are t hus subject to veiling effects from the bubble walls. Accurately assessing the impact of this foreground\, for example\, is important for the scient ific success of future experiments measuring the cosmic microwave backgrou nd and its polarization properties at high angular resolution. In this pre sentation\, I will report the current efforts at Heidelberg University to address this challenge and share some of the many failures and the (much f ewer) successes we had.\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Boris Gaensicke (University of Warwick | Coventry\, U K) DTSTART:20260924T123000Z DTEND:20260924T133000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2361 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Julián Alvarado-Gómez DESCRIPTION:Speaker: Boris Gaensicke (University of Warwick | Coventry\, U K)\nTitle: TBD\nAbstract: TBD\nNote: Host: Axel Schwope\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Romain Teyssier (Princeton) DTSTART:20260305T133000Z DTEND:20260305T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2362 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Ewald Puchwein DESCRIPTION:Speaker: Romain Teyssier (Princeton)\nTitle: Galaxy Formation at Cosmic Dawn\nAbstract: I will present the current state-of-the-art in m odeling galaxy formation at high redshift using radiation hydrodynamics si mulations with subgrid models for star formation and stellar feedback. I w ill cover our recent results from Cosmic Noon to Cosmic Dawn across the so -called Epoch of Reionization. James Webb has revealed many surprises rega rding the nature of galaxies at Cosmic Dawn and I will try to shed light o n these puzzling discoveries.\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | George Efstathiou (Cambridge) DTSTART:20260212T133000Z DTEND:20260212T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2364 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Ewald Puchwein DESCRIPTION:Speaker: George Efstathiou (Cambridge)\nTitle: The Evidence fo r Dynamical Dark Energy\nAbstract: The Dark Energy Spectroscopic Instrumen t (DESI) collaboration has\nmeasured baryon acoustic oscillation (BAO) fea tures over a wide range\nof redshifts with unprecedented precision. They a rgue that the data\nprovide evidence for evolving dark energy\, quoting 's ignificance'\nlevels of 2.5-4.5 sigma depending on which additional data ( CMB\nanisotropies and supernovae) are added to the BAO data. The favoured\ nmodel of dynamical dark energy is unusual\, requiring phantom-like\nbehav iour at high redshift. I will present a different way of looking\nat the D ESI data that provides simple and robust tests of consistency\nwith the LC DM cosmology. I find no evidence for a deviation from LCDM\nand my analysi s explains the degeneracy direction in the w_0-w_a plane\nfound by the DES I collaborations. I will summarize some recent work on\ntype Ia Supernova (SN) that supports my earlier claims that SN\ncatalogues are not yet accur ate enough to constrain models of\ndynamical dark energy.\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Tobias Buck (Heidelberg) DTSTART:20261119T133000Z DTEND:20261119T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2365 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Ewald Puchwein DESCRIPTION:Speaker: Tobias Buck (Heidelberg)\nTitle: TBD\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Dominika Wylezalek (University of Heidelberg | German y) DTSTART:20261203T133000Z DTEND:20261203T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2366 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Julián Alvarado-Gómez DESCRIPTION:Speaker: Dominika Wylezalek (University of Heidelberg | German y)\nTitle: TBD\nAbstract: TBD\nNote: Hosts: Tanya Urrutia and Guilherme Co uto\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Paul Groot (UCT/SAAO and Radboud University) DTSTART:20260625T123000Z DTEND:20260625T133000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2369 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Ivan Minchev DESCRIPTION:Speaker: Paul Groot (UCT/SAAO and Radboud University)\nTitle: Ultra-compact binaries and gravitational-wave progenitors\nAbstract: TBD\n Note: Host: Alex Schwope\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Eric F. Bell (University of Michigan) DTSTART:20260604T123000Z DTEND:20260604T133000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2370 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Ivan Minchev DESCRIPTION:Speaker: Eric F. Bell (University of Michigan)\nTitle: TBD\nNo te: Host: Roelof de Jong\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Heino Falke (Radboud University Nijmegen | The Nether lands) DTSTART:20261126T133000Z DTEND:20261126T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2373 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Ewald Puchwein DESCRIPTION:Speaker: Heino Falke (Radboud University Nijmegen | The Nether lands)\nTitle: TBD\nAbstract: TBD\nNote: Host: Christoph Pfrommer\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:AIP Seminar | Kseniia Sysoliatina (AIP) DTSTART:20260217T133000Z DTEND:20260217T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2383 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:AIP Seminar CONTACT:Rainer Arlt DESCRIPTION:Speaker: Kseniia Sysoliatina (AIP)\nTitle: White Dwarfs as Pro bes of the Milky Way’s Star Formation History\nAbstract: Over the last d ecade\, the rapidly growing volume of data for faint Milky Way (MW) stars has led to an increasing interest in white dwarf (WD) population. The Gaia mission has provided an unprecedented view of the WD sequence in the colo r–magnitude diagram and\, for the first time\, enabled the construction of a complete local WD sample. Because the WD population retains a record of the Galactic star formation history (SFH)\, it has begun to be increasi ngly used as a tracer for SFH reconstruction. However\, results obtained f rom WDs are often contradictory and show tension with the MW SFHs derived from other\nstellar populations.\nIn this study\, I work within a framewor k of the semi-analytic Just–Jahreiß model of the Solar neighborhood. Us ing Gaia DR3 data and accounting for completeness limits\, I model all ste llar populations\, including WDs\, within 1 kpc from the Sun. The model is optimized using MCMC\, simultaneously constraining the SFH and IMF parame ters as well as key WD-model parameters\, such as the slopes of the initia l–final mass relation (IFMR) and a fraction of DA WDs. This allows to qu antify the impact of the WD model on the predicted WD star counts and SFH parameters. I find that uncertainties in the WD modeling contribute strong ly to the total uncertainty in the predicted WD population. This shows tha t our current uncertainty in WD physics and evolution may propagate into t he SFH uncertainty and bias the SFH when it is derived from WDs alone\; ho wever\, WD populations can nevertheless provide an additional constraint o n the SFH when used in combination with other stellar populations.\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:AIP Seminar | Iva Vilović (AIP) DTSTART:20260224T133000Z DTEND:20260224T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2384 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:AIP Seminar CONTACT:Rainer Arlt DESCRIPTION:Speaker: Iva Vilović (AIP)\nTitle: tba.\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:AIP Seminar | Noam Libeskind (AIP) DTSTART:20260428T123000Z DTEND:20260428T133000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2385 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:AIP Seminar CONTACT:Rainer Arlt DESCRIPTION:Speaker: Noam Libeskind (AIP)\nTitle: History and use of pecul iar velocities in cosmology (tbc)\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Thinkshop zum Thema "Magellanic Clouds" DTSTART;VALUE=DATE:20270906 DTEND;VALUE=DATE:20270911 DTSTAMP:20260307T083612Z UID:www.aip.de-2388 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftliches Meeting/Workshop CATEGORIES:öffentlich DESCRIPTION: END:VEVENT BEGIN:VEVENT SUMMARY:AIP Seminar | Virginia A. Cúneo (AIP) DTSTART:20260324T133000Z DTEND:20260324T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2391 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:AIP Seminar CONTACT:Marcel Pawlowski DESCRIPTION:Speaker: Virginia A. Cúneo (AIP)\nTitle: TBD\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:AIP Seminar | Matthias Steinmetz (AIP) DTSTART:20260519T123000Z DTEND:20260519T133000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2396 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:AIP Seminar CONTACT:Marcel Pawlowski DESCRIPTION:Speaker: Matthias Steinmetz (AIP)\nTitle: TBD (DZA)\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Colloquium | Marta Volonteri (IAP\, Paris) DTSTART:20261105T133000Z DTEND:20261105T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2406 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Kolloquium CONTACT:Ewald Puchwein DESCRIPTION:Speaker: Marta Volonteri (IAP\, Paris)\nTitle: TBD\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Special Seminar | Laura Spitler (MPIFR Bonn) DTSTART:20260326T133000Z DTEND:20260326T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2407 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Special Seminar CATEGORIES:Galaxien\, Kosmologie CONTACT:Mirko Krumpe DESCRIPTION:Speaker: Laura Spitler (MPIFR Bonn)\nTitle: TBD\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Career Event (Sydney Barnes) DTSTART:20260317T133000Z DTEND:20260317T150000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2408 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich DESCRIPTION: END:VEVENT BEGIN:VEVENT SUMMARY:Jamboree (ISC) DTSTART:20260310T133000Z DTEND:20260310T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2412 CATEGORIES:Internes CATEGORIES:Institutstermin CATEGORIES:öffentlich DESCRIPTION: LOCATION:Maria-Margaretha-Kirch-Haus\, Campus Babelsberg END:VEVENT BEGIN:VEVENT SUMMARY:Jamboree der AIP-Gremien (ISC) DTSTART:20260616T123000Z DTEND:20260616T133000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2413 CATEGORIES:Internes CATEGORIES:Institutstermin CATEGORIES:öffentlich DESCRIPTION: LOCATION:Maria-Margaretha-Kirch-Haus\, Campus Babelsberg END:VEVENT BEGIN:VEVENT SUMMARY:Jamboree (ISC) DTSTART:20261110T133000Z DTEND:20261110T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2414 CATEGORIES:Internes CATEGORIES:Institutstermin CATEGORIES:öffentlich DESCRIPTION: LOCATION:Maria-Margaretha-Kirch-Haus\, Campus Babelsberg END:VEVENT BEGIN:VEVENT SUMMARY:Karriere-Event DTSTART:20261006T123000Z DTEND:20261006T133000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2415 CATEGORIES:Internes CATEGORIES:Institutstermin CATEGORIES:öffentlich DESCRIPTION: LOCATION:Konferenzraum Maria-Margaretha-Kirch-Haus\, Campus Babelsberg END:VEVENT BEGIN:VEVENT SUMMARY:AIP Seminar | Hyoyin Gan (AIP) DTSTART:20260303T133000Z DTEND:20260303T143000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2419 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:AIP Seminar CONTACT:Rainer Arlt DESCRIPTION:Speaker: Hyoyin Gan (AIP)\nTitle: Calibration and analysis of big data from radio interferometers\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Virtuelle Babelsberger Sternennacht DTSTART:20260219T190000Z DTEND:20260219T200000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2420 CATEGORIES:Öffentliches CATEGORIES:Allgemeiner Kalendertermin CATEGORIES:öffentlich CONTACT:presse@aip.de DESCRIPTION:Vortrag: Das zirkumgalaktische Medium: Auf der Suche nach vers teckter Materie (Ramona Augustin)\n LOCATION:Der Vortrag wird über den YouTube-Kanal Urknall\, Weltall und da s Leben ausgestrahlt. END:VEVENT BEGIN:VEVENT SUMMARY:Verleihung Johann-Wempe-Preis DTSTART:20260211T140000Z DTEND:20260211T161500Z DTSTAMP:20260307T083612Z UID:www.aip.de-2421 CATEGORIES:Internes CATEGORIES:Institutstermin CATEGORIES:öffentlich DESCRIPTION: LOCATION:Maria-Margaretha-Kirch-Haus\, Forschungscampus Babelsberg\, Potsd am END:VEVENT BEGIN:VEVENT SUMMARY:Special Seminar | Dr. Fabian Schmidt (MPA) DTSTART:20260216T100000Z DTEND:20260216T110000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2424 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Special Seminar CATEGORIES:Galaxien\, Kosmologie CONTACT:Ewald Puchwein DESCRIPTION:Speaker: Dr. Fabian Schmidt (MPA)\nTitle: New physics in the l arge-scale structure\nAbstract: Motivated in part by recent results from D ESI as well as theory developments\, I will talk about two new-physics sce narios that can be probed with large-scale structure: (i) clustering dark energy and (ii) mixed dark matter. (i) We have recently performed the firs t simulations that treat clustering dark energy fully nonlinearly as an ef fective fluid\, solving for this additional\, gravitationally coupled flui d via an extension of the cosmological hydro code RAMSES. I will present t he motivation for clustering dark energy and first results from these simu lations. (ii) Dark matter could well be composed of multiple (dark) compon ents\, a scenario which is much less well studied than various single-comp onent dark matter candidates. I will discuss what signatures such a scenar io leaves in large-scale structure\, and what discovery space of dark phys ics still exists in in the large-scale structure.\n LOCATION:AIP\; Leibnizhaus\, Seminarraum END:VEVENT BEGIN:VEVENT SUMMARY:The Legacy and Future of Large Surveys: The Milky Way in Context DTSTART;VALUE=DATE:20260504 DTEND;VALUE=DATE:20260509 DTSTAMP:20260307T083612Z UID:www.aip.de-2426 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftliches Meeting/Workshop CATEGORIES:öffentlich CONTACT:Ivan Minchev DESCRIPTION:Konferenz am AIP\, nur für eingeladene Teilnehmende\n LOCATION:Konferenzraum\, Maria-Margaretha-Kirch-Haus\, Campus Babelsberg d es AIP\, An der Sternwarte 16\, 14482 Potsdam END:VEVENT BEGIN:VEVENT SUMMARY:Special Seminar | Cyril Gapp (PhD candidate\, MPIA) DTSTART:20260225T130000Z DTEND:20260225T140000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2428 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Special Seminar CATEGORIES:Sonne\, Sterne\, Exoplaneten CONTACT:Jean-Michel Désert DESCRIPTION:Speaker: Cyril Gapp (PhD candidate\, MPIA)\nTitle: New avenues to study the atmospheres of transiting exoplanets in three dimensions wit h JWST\nAbstract: The atmospheres of exoplanets are windows into their for mation and evolution\, shedding light on the origin of planetary systems i n the Galaxy. Atmospheres\, however\, are non-homogeneous\, particularly i n the highly-irradiated transiting exoplanets that are regularly observed from both the ground and space. Understanding the physics that drive the s patial variations within exoplanet atmospheres is essential to use atmosph eric observations to inform formation models. The James Webb Space Telesco pe (JWST) has recently greatly expanded the available repertoire of observ ational methods to study the three-dimensional heterogeneity of transiting exoplanets\, revolutionizing our understanding of the physics at play in their atmospheres. In this talk\, I will present the latest JWST results o n exoplanet atmospheres in 3D\, highlighting observations of the ultrahot exoplanet WASP-121b. Using emission and transmission spectroscopy resolved as functions of the planet’s orbital phase\, we detect that its atmosph ere’s temperature field is asymmetric about the point facing the host st ar\, indicative of atmospheric circulation. Furthermore\, we observe that water vapor thermally dissociates in the transition region between the pla net’s eternal dayside and nightside\, while carbon monoxide remains abun dant\, revealing a water cycle with dissociation in the dayside and recomb ination in the nightside. The abundances of carbon monoxide and water are often used to measure exoplanets’ carbon-to-oxygen ratios to identify wh ere in the protoplanetary disk the planet formed. Thus\, accounting for wa ter dissociation in atmospheric models of WASP-121b is essential to correc tly measure the planet’s chemical inventory and reconstruct its past.\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:SOLER User Workshop DTSTART;VALUE=DATE:20260630 DTEND;VALUE=DATE:20260703 DTSTAMP:20260307T083612Z UID:www.aip.de-2429 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftliches Meeting/Workshop CATEGORIES:öffentlich CONTACT:Alexander Warmuth DESCRIPTION: END:VEVENT BEGIN:VEVENT SUMMARY:Tag der offenen Tür auf dem Telegrafenberg - Großer Refraktor un d Einsteinturm DTSTART;VALUE=DATE:20260926 DTEND;VALUE=DATE:20260927 DTSTAMP:20260307T083612Z UID:www.aip.de-2430 CATEGORIES:Öffentliches CATEGORIES:Öffentlichkeitsarbeit CATEGORIES:öffentlich CONTACT:presse@aip.de DESCRIPTION: LOCATION:Wissenschaftspark Albert-Einstein\, Telegrafenberg\, Potsdam END:VEVENT BEGIN:VEVENT SUMMARY:Potsdamer Tag der Wissenschaften DTSTART:20260509T100000Z DTEND:20260509T150000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2431 CATEGORIES:Öffentliches CATEGORIES:Öffentlichkeitsarbeit CATEGORIES:öffentlich CONTACT:presse@aip.de DESCRIPTION: LOCATION:Universitätscampus Golm\, Potsdam END:VEVENT BEGIN:VEVENT SUMMARY:Girls' Day / Zukunftstag Brandenburg DTSTART;VALUE=DATE:20260423 DTEND;VALUE=DATE:20260424 DTSTAMP:20260307T083612Z UID:www.aip.de-2432 CATEGORIES:Öffentliches CATEGORIES:Öffentlichkeitsarbeit CATEGORIES:öffentlich CONTACT:presse@aip.de DESCRIPTION: LOCATION:Leibniz-Institut für Astrophysik Potsdam (AIP)\, An der Sternwar te 16\, 14482 Potsdam END:VEVENT BEGIN:VEVENT SUMMARY:AIP Seminar | Kaffeerunde (AIP) DTSTART:20260414T123000Z DTEND:20260414T133000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2438 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:AIP Seminar CONTACT:Marcel Pawlowski DESCRIPTION:Speaker: Kaffeerunde (AIP)\nTitle: Kaffeerunde\nAbstract: Andr eas & Davor: MOSAIC\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Wempe Lecture 1 | Dr. Sebastian Kamann (Liverpool John Moores Univ ersity) DTSTART:20260413T120000Z DTEND:20260413T130000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2444 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Special Seminar CATEGORIES:Sonstiges CONTACT:Peter Weilbacher DESCRIPTION:Speaker: Dr. Sebastian Kamann (Liverpool John Moores Universit y)\nTitle: Wempe lecture 1 “Crowded field spectroscopy”\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Wempe Lecture 2 | Dr. Sebastian Kamann (Liverpool John Moores Univ ersity) DTSTART:20260427T120000Z DTEND:20260427T130000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2445 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Special Seminar CATEGORIES:Galaxien\, Kosmologie CONTACT:Peter Weilbacher DESCRIPTION:Speaker: Dr. Sebastian Kamann (Liverpool John Moores Universit y)\nTitle: Wempe lecture 2 “Star cluster dynamics”\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT BEGIN:VEVENT SUMMARY:Wempe Lecture 3 | Dr. Sebastian Kamann (Liverpool John Moores Univ ersity) DTSTART:20260512T123000Z DTEND:20260512T130000Z DTSTAMP:20260307T083612Z UID:www.aip.de-2446 CATEGORIES:Wissenschaftliches CATEGORIES:Wissenschaftlicher Vortrag CATEGORIES:öffentlich CATEGORIES:Special Seminar CATEGORIES:Galaxien\, Kosmologie CONTACT:Peter Weilbacher DESCRIPTION:Speaker: Dr. Sebastian Kamann (Liverpool John Moores Universit y)\nTitle: Wempe lecture 3 “Young star clusters”\n LOCATION:AIP\; Kirch-Haus\, Konferenzraum END:VEVENT END:VCALENDAR