The international conference "Microlensing 2026" (Febr. 23-27) for the first time takes place in Heidelberg and was primarily organized by ZAH scientists. (2026/02/20)
The largest turbulence simulation to date was honoured by the journal "HPCwire" as "Top HPC-Enabled Scientific Achievements". As part of the core team also Ralf Klessen contributed to this success.(2025/11/20)
16 researchers from Heidelberg University feature on the list of “Highly Cited Researchers” 2025. Dylan Nelson (ZAH/ITA) is one of the five natural scientists among the Heidelberg researchers and his third HCR nomination. (2025/11/12)
The Ernst Patzer Foundation annually awards prizes for the best peer-reviewed publications by young researchers at MPIA and ZAH. This year, Elisa Schösser (ZAH/ARI) is one of the three prize winners. (2025/10/31)
The largest multi-object spectroscopic survey telescope in the southern hemisphere captured "First Light". The instrument has been constructed by a consortium including a team of scientists and engineers of the Landessternwarte. (2025/10/21)
Dr. Natalia Lahén started her new position as Gliese Fellow 2025 at ARI. Her main research interests focus on hydrodynamical simulations of the formation and evolution of stars and star clusters in a galactic ecosystem. (2025/10/01)
With his new research group, Dr. Ksoll is pursuing the goal of developing evaluation algorithms for the study of star formation on the basis of machine learning. The Carl Zeiss Foundation is funding his project with 1.8 million euros. (2025/09/23)
The Cassegrain U-Band Efficient Spectrograph (CUBES), a future instrument for ESO’s Very Large Telescope (VLT), has successfully passed its final design review. LSW is responsible for the design and development of its optical system. (2025/08/08)
Astronomers created the most detailed colour map of the Sculptor Galaxy - a technical and scientific triumph also featuring Heidelberg expertise. (2025/07/14)
Since July 1, Prof. Dr. Ralf Klessen (ZAH/ITA) is managing director of ZAH. He succeeds Prof. Dr. Joachim Wambsganss. As deputy director the ZAH board elected Prof. Dr. Dominika Wylezalek (ZAH/ARI). (2025/07/01)
Since July 1, 2025, Dr. Max Grönke started as Research Group Leader at ZAH. With his ERC on "Resolving the Multiscale, Multiphase Universe” he plans to connect small-scale plasma physics with the large-scale galaxy ecosystems. (2025/07/01)
First breathtaking images from the Rubin Observatory were presented to the public at the House of Astronomy as part of a worldwide First Look Watch Party initative. ZAH/ARI and MPIA are participating in the project (2025/06/23).
The European Research Council (ERC) awarded Prof. Dr. Michela Mapelli (ZAH/ITA) an Advanced Grant of €2.5 million to study the formation of intermediate-mass black holes with 100 to 10.000 times the mass of our Sun. (2025/06/17)
Interview with Prof. Dr. Dominika Wylezalek (ZAH/ARI) on how a large-scale industrial project is threatening scientific research with telescopes operated by the European Southern Observatory. (2025/05/27)
The findings of a team of astronomers lead by Varsha Ramachandran (ZAH/ARI) reshape our understanding of this iconic cosmic duo. Both the black hole and its companion star are significantly lighter than previously thought. (2025/05/26)
A team of astronomers, including Matteo Maturi from ZAH/ITA, released a catalog of galaxy groups with an unprecedented view into the large-scale structure of the Universe. (2025/05/19)
A groundbreaking study has mapped the full range of turbulent energy across scales in a simulation of the ISM with unprecedented numerical resolution. Ralf Klessen (ZAH/ITA) is one of the main contributors. (2025/05/13)
A new study by the CARMENES project shows that very low-mass stars are likely to host Earth-like planets. On average, there are about two per star. The results have now been published in Astronomy & Astrophysics. (2025/04/28)
Heidelberg researchers have run the largest simulation of the formation and evolution of massive galaxy clusters. Now the simulation data have been published in full, so that others can also use it for their research. (2025/03/05)
Dominika Wylezalek has been appointed as a new Professor at ZAH and Director at ARI, effective March 1, 2025. She will lead the research group “Galaxy Evolution and AGN (GALENA)”. (2025/02/24)
With its sky-scanning phase completed and "retirement” orbit imminent, the ARI team is saddened by the forced break in contact. But there are great data products on the horizon. (2025/01/16)
Prof. Dr. Michela Mapelli (ZAH/ITA) has been appointed to the "Henriette Herz Scouting Program". She now has the opportunity to recommend scientific talents from abroad for a Humboldt Research Fellowship in Heidelberg. (2025/01/08)
To investigate the formation of dormant black holes which are part of a binary star system with a companion star, Prof. Dr. Michela Mapelli (ZAH/ITA) receives a research grant from the German Research Foundation (DFG). (2025/01/07)
The Ernst Patzer Foundation is awarding the best refereed publications by young researchers at MPIA and ZAH. This year, Brooke Polak (ITA) and Jose Eduardo Mendez-Delgado (ARI) are among the awardees. (2024/11/30)
Dr. Dominika Wylezalek, Emmy Noether Junior Research Group Leader at ZAH/ARI, received the Hengstberger Award 2024. The award will support Dr. Wylezalek in organising a scientific symposium at the IWH in 2025. (2024/10/19)
Since July 1, 2024, Prof. Dr. Joachim Wambsganss (ZAH/ARI) is director of ZAH. He succeeds Prof. Dr. Norbert Christlieb, who was director since July 1, 2021 and who is now ZAH deputy director. (2024/07/01)
The Young Academy welcomed ten young scientists as new members, amongst them Dominika Wylezalek (ZAH/ARI). New members have the opportunity to e.g. initiate interdisciplinary research projects and working groups. (2024/06/24)
German Research Foundation and Foundation for Polish Science jointly honour Heidelberg scientist and his colleague Andrzej Udalski from Warsaw. (2024/05/22)
The Harvard Radcliffe Institute announced the selection of Ralf Klessen (ZAH/ITA) as a fellow for the academic year 24/25. This provides him the opportunity to pursue ambitious projects in the unique environment of the Institute. (2024/05/13)
Gaia succeeded for the third time in detecting a dormant black hole within the Milky Way. It's the first discovered specimen of a particularly massive category of unknown origin. ARI is playing a leading role in the evaluation of the measurements. (2024/04/16)
The gravitational wave signal GW230529 also provides Heidelberg astrophysicist Michela Mapelli with crucial insights into the evolution of massive binary stars. (24/04/05)
The most important prize from the German Research Foundation (DFG) for young scientists in Germany goes to Dr. Dominika Wylezalek (ZAH/ARI). (2024/03/25)
NASA decided to release new staggering observations of nearby spiral galaxies. Oleg Egorov from ZAH/ARI is one main contributor to transforming JWST observations into these amazing science data products. (2024/02/13)
12 researchers from Heidelberg University feature on the list of “Highly Cited Researchers” 2023. Dylan Nelson (ZAH/ITA) is one of the three natural scientists among the Heidelberg researchers. (2024/01/08)
The Ernst Patzer Foundation is awarding up to three prizes each year for the best refereed publications by doctoral students and young postdocs at MPIA and ZAH. This year, Emily Hunt and Reza Ayromlou are among the awardees. (2023/11/22)
Dr. Mélanie Chevance, Emmy Noether Junior Research Group Leader at ITA/ZAH, received the Hengstberger Award 2023. The award will support Dr. Chevance in organising a scientific symposium at the IWH in 2024. (2023/10/21)
In this new popular science book Eric Bertram and Dominika Wylezalek highlight the apparent coincidences that ultimately gave rise to humans. (2023/10/01)
Heidelberg University appointed Dr Andreas Koch-Hansen as new adjunct professor (apl. Prof.) in recognition of his eligibility for appointment as a professor and achievements in research and teaching. (2023/09/21)
Astronomy & Astrophysics (A&A), a leading research journal for astronomical and astrophysical disciplines, announced the appointment of three new associate editors to its editorial board, including apl. Prof. Dr Andreas Koch-Hansen (ZAH/ARI). (2023/09/19)
Dr Matsuno will start his position at the Astronomisches Rechen-Institut on Oct. 1st. He mainly studies old, low-metallicity stars in the Milky Way to understand the origin of elements and the formation history of the Milky Way. (2023/09/13)
Dr. Andreas Sander (ZAH/ARI) hosted his inspiring "Hengstberger Symposium" on nucleosynthesis and stellar yields of massive stars at the Internationales Wissenschaftsforum Heidelberg (IWH) from September 4th to 8th. (2023/09/08)
Prof. Dave Rupke (Rhodes College, US) started his visitorship at ARI. His research focuses on galactic winds driven by AGN and star formation activity. He is hosted by Dominika Wylezalek. (2023/09/01)
The German Astronomical Society honours Dominika Wylezalek (ZAH/ARI) for her research achievements in the field of galaxy and massive black hole evolution. (2023/30/08)
Dr. Reindl is an expert in the physics of hot compact stars. Funded by a DFG Heisenberg grant, she will establish a new research group at ZAH/LSW. (2023/08/17)
Varsha Ramachandran from ZAH/ARI and her colleagues uncovered the first “stripped” star of intermediate-mass. This discovery is crucial to understanding the origin of heavy elements such as silver and gold. (2023/06/20)
Am 20. Juni 2023 feierte die Landessterwarte auf dem Königstuhl ihr 125jähriges Gründungsjubiläum mit einem Festakt in der Aula der Neuen Universität. (2023/06/21)
Astrophysicist Michela Mapelli is new professor in Computational Astrophysics at Heidelberg University and ZAH/ITA. She investigates the formation channels of binary black holes with numerical models. (2023/06/09)
Scientists from the ZAH, IAC and UNAM identify temperature inhomogeneities in HII regions as the reason for the systematic underestimation of the abundance of heavy elements.(2023/05/17)
The 2023 MERAC Prize for the Best Early Career Researcher is awarded to Dylan Nelson (ZAH/ITA) for his leading role in computational astrophysics. (2023/04/05)
The 2023 MERAC Prize for the Best Early Career Researcher is awarded to Dominika Wylezalek (ZAH/ARI) for her studies of supermassive black holes. (2023/04/05)
The new “Ute and Roland Wielen Foundation Fund” shall support science, research and teaching at Heidelberg University, primarily at ARI and ITA. (2023/03/16)
Heading Heidelberg University in future will be molecular biologist Prof. Dr Frauke Melchior. She will take up her new office as of 1 October this year. (2023/03/09)
Data obtained within five years with the eponymous spectrograph at Calar-Alto Observatory have already led to the discovery of 59 partly habitable new exoplanets. (2023/02/22)
Using Webb's image clarity at infrared wavelengths, scientists discover missing pieces of the star formation puzzle. Their findings are now published in a collection of research papers, also with first authors from ZAH. (2023/02/16)
Viele von Klaus Meisenheimer's Weggefährten arbeiten auch am ZAH und möchten seiner Familie ihre aufrichtige Anteilnahme versichern und ihr herzlichstes Beileid zu diesem großen Verlust ausdrücken. (2023/02/10)
Heidelberg astronomers have detected a planet orbiting its star in its habitable zone just 30 light-years away. The discovery was made with measurements carried out with CARMENES. (2023/02/06)
Dr. Hans-Günter Ludwig was appointed Private Lecturer (Priv. Doz.) by the Habilitation Conference of the Department of Physics and Astronomy of Heidelberg University. (2023/02/07)
In fall 2023, the SkyPole facility, funded by the Klaus Tschira Foundation, will enable the observation of constellations, planets and satellites with the naked eye. (2023/02/01)
The recently published CNS5 updates the Gliese-Jahreiß Catalogue of Nearby Stars and contains all known objects located within 25 parsecs of the Sun. Is was now massively improved by Gaia EDR3. (2023/01/25)
The Gaia Collaboration received the 2023 Berkeley Prize for meritorious work in astronomy. This is also a credit to the Gaia team at ARI, led by Michael Biermann! Congrats folks! (2023/01/13)
The Japanese television station NHK interviewed former ARI director Roland Wielen at home for his merits on exploring sun's birthplace. NHK is comparable to our broadcasters ARD/ZDF. (2022/12/01)
Kathryn Kreckel (ZAH/ARI) receives an ERC Starting Grant to track galaxy evolution with precise and accurate metal abundances in the interstellar medium. The Grant totals 1.5 million euros and will start in Oct. 23. (2022/11/22)
The Ernst Patzer Foundation annually honors the best publications by doctoral students and young postdocs at MPIA and ZAH. This year, M.Sc. Jeaeyeon Kim (ZAH/ITA) is one of the award winners. (2022/11/16)
13 researchers from Heidelberg University feature on the list of “Highly Cited Researchers” that has just appeared. Dr Dylan Nelson (ZAH/ITA) is the only natural scientist besides the 12 named physicians. (2022/11/15)
This new book by Jochen Heidt (ZAH/LSW) has been published by Springer Verlag. On 291 pages, it compactly presents everything to do with observing in the infrared. (2022/10/31)
The Hengstberger Award enables young scientists at Heidelberg University to organize their own symposium. This year, Dr Andreas Sander, Junior Research Group Leader at ARI, is one of the three awardees. (2022/10/24)
While observing quasars with JWST a science team under the lead of Dominika Wylezalek (ZAH/ARI) revealed a cluster of galaxies in the process of formation - one of the densest known areas of galaxy formation in the early Universe. (22/10/20)
Dr Martocchia started her new position as Gliese Fellow 2022 at the Astronomisches Rechen-Institut. Her main research interests are focused on understanding the phenomenon of multiple populations in star clusters. (2022/08/01)
An international group of astronomers under participation of Ralf Klessen (ITA) found the imprint of the bubbles produced by the explosion of dying stars in the structure of the gas that pervades our galaxy. (2022/05/23)
Dr Mélanie Chevance and her group aims to quantify how matter flows within galaxies. The German Research Foundation (DFG) has allocated 1.7 million Euro to fund the group over a period of six years. (2022/05/23)
Prof. Dr Eva Grebel is the first to win the new medal awarded jointly by the Royal Astronomical Society and the German Astronomical Society. (2022/04/08)
The Hector Fellow Academy has presented the Hector Research Career Development Award. The jury selected three scientists from the applications, including Dylan Nelson, who heads an Emmy Noether research group at ITA. (2022/02/07)
A 3900 light-years-long structure has been identified that consists almost entirely of atomic hydrogen. It provides a unique view of matter at the beginning of the star-formation process. ZAH scientists have contributed to the analysis. (2022/01/10)
In an orbit around a binary star system a planet was discovered, ten times more massive than Jupiter. Dr Sabine Reffert from the Königstuhl State Observatory (Landessternwarte) was involved in the observations and their evaluation. (2021/12/09)
The group led by Dr Andreas Sander will specialize on stellar atmospheres and mass loss from hot massive stars. It is funded by the German Research Foundation (DFG) with a 1.9 million Euro grant under the Emmy Noether program. (2021/08/01)
Dr Cabrera-Ziri started his new position as Gliese Fellow 2021 at the Astronomisches Rechen-Institut. His main scientific interests are the formation and evolution of star clusters and their chemical properties. (2021/08/01)
The PHANGS-MUSE project published unique observational data on star formation in galaxies. Kathryn Kreckel leads the science working group that studies the connection between gas ionization and star formation. (2021/07/21)
On July 1, 2021, Prof. Dr. Norbert Christlieb started his 3-year term as managing director of the ZAH. He is the successor of Prof. Dr. Cornelis Dullemond. (2021/07/01)
Black holes at the center of large galaxies influence star formation in their satellite galaxies. A research group including Dylan Nelson (ZAH/ITA) published this impressive result in NATURE. (2021/06/14)
Prof. Dr. Eva Grebel has been elected a member of the German National Academy of Sciences Leopoldina in recognition of her scientific achievements. (2021/06/13)
Detecting gravitational redshift was i.a. made possible by simulations carried out by Hans-Günter Ludwig ZAH/LSW) and helped filtering disturbing effects of the bubbling sun surface on absorption lines used to measure the effect. (2021/03/24)
The new super-Earth named Gliese 486b with a planetary atmosphere will help testing methods of studying exoplanet atmospheres. The CARMENES instrument, partly constructed and operated by LSW, was decisively involved. (2021/03/05)
A team led by C. Federrath (ANU) and R. Klessen (ZAH) has carried out the highest-resolution simulations to date to study the transition from turbulence in the supersonic and subsonic range in interstellar gas. (2021/01/11)
With this prize, Baden-Württemberg honors researchers who have left a beaten path and carried on with courage and risk. Jenny Wagner (ZAH/ARI) has done so in the field of gravitational lensing. (2020/12/21)
Prof. Dr Saskia Hekker receives an ERC Consolidator Grant for excellent young researchers. A total of 2 million euros has been earmarked for funding her research. (2020/12/09)
The Gaia Early Data Release 3 provides ultraprecise data on 1.8 billion celestial objects and will be celebrated in an international online event. (2020/12/01)
The Ernst Patzer Foundation annually honors the best publications by doctoral students and young postdocs at MPIA and ZAH. This year, Dr Alessandro Savino (ZAH / ARI) one of the award winners. (2020/11/03)
An international team of astrophysicists led by Diederik Kruijssen has succeeded in reconstructing the first complete family tree of our home galaxy by analysing the properties of globular clusters with artificial intelligence. (2020/11/13)
The group led by Dr Dylan Nelson will specialize in computational galaxy formation and evolution. It is funded by the German Research Foundation (DFG) with a 1.3 million Euro grant under the Emmy Noether program. (2020/11/01)
Dr Dehnen is an expert in the dynamics of galaxies, including numerical techniques, and generally interested in any dynamical aspects of gravitational systems. (2020/10/01)
Prof. Hekker is leader of the new research group “Theory and Observations of Stars” at HITS and new member of the ZAH directorate. She is expert on studying the internal structure of stars by methods of asteroseismology. (2020/09/01)
A new Emmy Noether Research Group at ZAH/ARI has started working on understanding how galaxies form and evolve and is led by Dr Dominika Wylezalek. The German Research Foundation (DFG) has allocated 1.6 mill. Euros over six years. (2020/09/01)
The new simulation code developed by Eric Pellegrini (ZAH/ITA) and colleagues self-consistently predicts the emission received from gas and molecular clouds engulfing star clusters. (2020/07/30)
Dr Anastasia Fialkov from the Institute of Astronomy in Cambridge (UK) receives a guest professorship as part of the Excellence Strategy of Heidelberg University. Dr Fialkov is an expert in 21cm cosmology and reionisation. (2020/07/24)
A team of researchers led by high-energy astrophysicist Felix Spanier (ZAH/ITA) receives 35 million hours of CPU computing time on SuperMUC-NG to improve neutrino mass measurements at KATRIN. (2020/06/20)
Das Astronomische Rechen-Institut hat die Astronomischen Grundlagen für den Kalender 2022 veröffentlicht. Diese bilden eine Grundlage für eine Vielzahl von Kalenderwerken. (2020/05/06)
Der Astrophysiker wurde prämiert für seine Beiträge zum Verständnis der Prozesse, die Sternentstehung und Bildung von Sternhaufen steuern. (2020/04/17)
Dr. Anna Pasquali was appointed Private Lecturer (Priv. Doz.) yesterday by the Habilitation Conference of the Department of Physics and Astronomy of Heidelberg University. (2020/01/30)
Carolin Kimmig, BA student at ITA under supervison of Prof. Dullemond has shown, that a magnetocentrifugal wind-loss of protoplanetary disks could be strong enough to significantly change the orbits of protoplanets. (2020/01/09)
Apl. Prof. Dr. Stefan Wagner (LSW) appointed as new director of the H.E.S.S. Experiment and as Spokesperson of the H.E.S.S. collaboration. (2019/11/19)
A researchers team with Andreas Koch (ZAH/ARI) completed the largest survey to date of the ultrafaint outskirts of nearby galaxies. These appear to correlate with brightness and type of a galaxy undermining their common formation scenario. (2019/10/22)
International research team with Ralf Klessen studies the Milky Way as a “galactic ecosystem”. The project is being funded with approximately 12.7 million euros. (2019/10/11)
A new Emmy Noether Research Group at ZAH has started working on resolving the baryon cycle in nearby galaxies and is led by Dr Kathryn Kreckel. The German Research Foundation (DFG) has allocated 1.7 mill. euros over six years. (2019/10/01)
The "Transiting Exoplanet Survey Satellite (TESS)" detected an exoplanet orbiting the star GJ 357. Analysis of measurements, to which the CARMENES spectrograph has contributed, revealed one further planet inside the habitable zone. (2019/08/01)
Symposium 2019 der Hector Fellow Academy am Donnerstag, 11. Juli 2019, mit Vorträgen von Hector Fellow Prof. Dr. Eva Grebel und Prof. Dr. Joachim Wambsganß. Durch das Programm führt Prof. Dr. Harald Lesch. (9.07.2019)
TV broadcaster "3sat" has released an interesting TV-report on the Gaia mission. Stefan Jordan explains some highlight of the first science that has been performed with the Gaia Data Release 2, published on April 25, 2018. (25.2.2019)
Heidelberg researchers used simulations to investigate how the formation conditions of open star clusters affect their long-term evolution. The simulations indicate that they exist 100 times longer than previously assumed. (14.01.2019)
The first survey of protoplanetary disks using the Atacama Large Millimeter/Submillimeter Array (ALMA) revealed unknown structures which likely are the sites for planets to be formed. ZAH is one of the leading partners of the campaign. (12.12.2018)
Each year the Ernst Patzer Foundation is awarding three of the best refereed publications by PhD students and young postdocs at MPIA and ZAH. In 2018, Michael Hanke (ZAH/ARI) and Dr. Mattia Sormani (ZAH/ITA) are among the awardees. (30.11.2018)
Funding has been continued for CRC 881 "The Milky Way System” with approx. 9.4 million euros reaching its third and final funding period from 2019-2022. (26.11.2018)
Heidelberg has won support for two proposals from the Clusters of Excellence funding line. The "STRUCTURES" proposal will have heavy impact on local astrophysical research. (28.09.2018)
Using astrometric measurements of the Gaia satellite Heidelberg astronomers for the first time predict star approaches with extreme precision. (26.07.2018)
Based on previously published data from the Gaia Mission, researchers at Heidelberg University have derived the conditions under which stars form. The analysis points to a new view of star formation. (24.04.2018)
For the last 15 years the H.E.S.S. telescopes have surveyed the Milky Way in gamma-ray light. The H.E.S.S. collaboration has now published its largest set of science results in an "anniversery issue" of A&A (09.04.18)
Researchers from Liverpool and Heidelberg use computer simulations to explain their formation. They suggest that globular clusters were formed via the same mechanisms as our home galaxy's new-born stars. (6.04.2018).
Das Astronomische Rechen-Institut hat die Astronomischen Grundlagen für den Kalender 2020 veröffentlicht. Diese sind eine Grundlage für die Herstellung von Kalendern durch entsprechende Verlage. (29.03.18)
State of the art numerical simulations performed by a team of astrophysicist at ZAH/ITA explain a hitherto unsolved mystery: the formation of a young star cluster in an old parent cluster of stars observed in the Large Magellanic Cloud. (01.03.2018)
The Amerikan Physical Society (APS) honors Prof. Dr. Matthias Bartelmann as Outstanding Referee for quality, number and timeliness of his reports. (23.02.2018)
Alfred Wegener (1880 -1930) is known for his theory of continental drift. He first studied astronomy and received his PhD in 1905 at ARI in Berlin. In his new book, Roland and Ute Wielen describe how Wegener prepared his dissertation. (22.02.2018)
The Adaptive Matched Identifier of Clustered Objects (AMICO) is a new algorithm which allows an efficient detection and first characterization of structures in wide field surveys. Matteo Maturo (ZAH/ITA) is one of the scientists who participated in its development. (1.02.2018)
Die Astrophysikerin Dr. Gabriella De Lucia ist mit dem Forschungspreis der Alexander von Humboldt-Stiftung ab Februar 2018 zu Gast am Astronomischen Rechen-Institut. (11.12.2017)
Das Bundesminsterium der Finanzen würdigt mit der Herausgabe von Sondermarken die Erfolge des Gravitationswellendetektors LIGO und des Astrometriesatelliten Gaia. (7.12.2017)
The Ernst Patzer Foundation is awarding up to three prizes each year for the best refereed publications by PhD students and young postdocs at MPIA and ZAH. This year, Marta Reina-Campos (ZAH/ARI) and Daniel Rahner (ZAH/ITA) will be awarded for their outstanding papers. (2.11.2017)
