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Welcome!

The Leibniz Institute for Astrophysics Potsdam (AIP) is dedicated to astrophysical questions ranging from the exploration of our Sun to the evolution of the cosmos. It focuses on the study of cosmic magnetic fields, extragalactic astrophysics and the development of research technologies in the fields of spectroscopy, robotic telescopes and E-science.

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MUSE Ultra Deep Field
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The puzzling link between star formation and radio emission in galaxies

On the 50th anniversary of the discovery of a close connection between star formation in galaxies and their infrared and radio radiation, researchers at the Leibniz Institute for Astrophysics Potsdam (AIP) have now deciphered the underlying physics. To this end, they used novel computer simulations of galaxy formation with a complete modelling of cosmic rays.

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View into the night sky: Long Night of Sciences 2022

After a two-year break, the Long Night of the Sciences will finally take place again on July 2, 2022, with the participation of the Leibniz Institute for Astrophysics Potsdam (AIP). On the Telegrafenberg in Potsdam, the Great Refractor will open its doors from 5 p.m. to midnight.

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Research Area II: Extragalactic Astrophysics

Galaxies are fundamental cosmic building blocks. At the largest scales, they serve as markers to study the distribution of matter in the universe - active galaxies and quasars are particularly important because of their intrinsic brightness. Nearby objects can be spatially resolved and consist of populations with very different patterns of motion, star formation histories and chemical abundances.

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Research Area I: Cosmic Magnetic Fields

Cosmic events are determined by two natural forces: gravity and magnetic fields. The magnetic field research at the AIP is mainly focused on magnetohydrodynamic (MHD) simulations, the magnetically induced activities on the Sun and the stars, solar coronaphysics as well as space weather in our solar system and on planets around other stars.

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Gaia DR3: A detailed map of our Milky Way

The third data release from ESA's Gaia mission contains astrophysical information for 1.8 billion stars in the Milky Way, as well as objects in our solar system and extragalactic sources. With 33 million radial velocities - the speed at which stars move toward or away from us - Gaia also represents by far the largest radial velocity catalogue. The Leibniz Institute for Astrophysics Potsdam (AIP) is one of the Gaia partner data centres and was significantly involved in the calculation of the radial velocities.

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Latest News
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The puzzling link between star formation and radio emission in galaxies
June 29, 2022

On the 50th anniversary of the discovery of a close connection between star formation in galaxies and their infrared and radio radiation, researchers at the Leibniz Institute for Astrophysics Potsdam (AIP) have now deciphered the underlying physics. To this end, they used novel computer simulations of galaxy formation with a complete modeling of cosmic rays.

[more]
Großer Refraktor nachts

View into the night sky: Long Night of Sciences 2022
June 24, 2022

After a two-year break, the Long Night of the Sciences will finally take place again on July 2, 2022, with the participation of the Leibniz Institute for Astrophysics Potsdam (AIP). On the Telegrafenberg in Potsdam, the Great Refractor will open its doors from 5 p.m. to midnight.

[more]
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Commemorative colloquium in honour of Karl-Heinz Rädler
June 22, 2022

On 23 June 2022, the staff of the Leibniz Institute for Astrophysics Potsdam (AIP) will commemorate the founding director of the institute and their colleague of many years, Professor Karl-Heinz Rädler, together with family, friends and scientific collaborators of the great researcher at a one-day colloquium.

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Latest Publications

Survey of Open Data Concepts Within Fundamental Physics: An Initiative of the PUNCH4NFDI Consortium

Enke, H. et al.
Computing and Software for Big Science, 6, 1, 6 – Published December 2022
doi:10.1007/s41781-022-00081-7, NASA ADS
AIP sections/groups: Supercomputing and E-Science

The UV 2175Å attenuation bump and its correlation with PAH emission at z 2

Shivaei, I., ... Weilbacher, P. M.
Monthly Notices of the Royal Astronomical Society, 514, 2, 1886 – Published August 2022
doi:10.1093/mnras/stac1313, NASA ADS

Hydrogen reionization ends by z = 5.3: Lyman-α optical depth measured by the XQR-30 sample

Bosman, S. E. I., ... Keating, L. C., ...
Monthly Notices of the Royal Astronomical Society, 514, 1, 55 – Published July 2022
doi:10.1093/mnras/stac1046, NASA ADS

COWS: a filament finder for Hessian cosmic web identifiers

Pfeifer, S., Libeskind, N. I., ...
Monthly Notices of the Royal Astronomical Society, 514, 1, 470 – Published July 2022
doi:10.1093/mnras/stac1382, NASA ADS

Searching for flaring star-planet interactions in AU Mic TESS observations

Ilin, E., Poppenhaeger, K.
Monthly Notices of the Royal Astronomical Society, 513, 3, 4579 – Published July 2022
doi:10.1093/mnras/stac1232, NASA ADS
AIP sections/groups: Stellar Physics and Exoplanets

Hamiltonian Monte Carlo reconstruction from peculiar velocities

Valade, A., Hoffman, Y., Libeskind, N. I., Graziani, R.
Monthly Notices of the Royal Astronomical Society, 513, 4, 5148 – Published July 2022
doi:10.1093/mnras/stac1244, NASA ADS

A machine learning approach to correct for mass resolution effects in simulated halo clustering statistics

Forero-Sánchez, D., ... Gottlöber, S., ...
Monthly Notices of the Royal Astronomical Society, 513, 3, 4318 – Published July 2022
doi:10.1093/mnras/stac1239, NASA ADS

The SAMI Galaxy Survey: the link between [α/Fe] and kinematic morphology

Watson, P. J., ... Walcher, C. J., ...
Monthly Notices of the Royal Astronomical Society, 513, 4, 5076 – Published July 2022
doi:10.1093/mnras/stac1221, NASA ADS

Circular polarimetry of suspect wind-accreting magnetic pre-polars

Hakala, P., ... Schwope, A., ...
Monthly Notices of the Royal Astronomical Society, 513, 3, 3858 – Published July 2022
doi:10.1093/mnras/stac1111, NASA ADS
AIP sections/groups: X-ray Astronomy

Tidal star-planet interaction and its observed impact on stellar activity in planet-hosting wide binary systems

Ilic, N., Poppenhaeger, K., Hosseini, S. M.
Monthly Notices of the Royal Astronomical Society, 513, 3, 4380 – Published July 2022
doi:10.1093/mnras/stac861, NASA ADS
AIP sections/groups: Stellar Physics and Exoplanets

Reliability and limitations of inferring birth radii in the Milky Way disk

Lu, Y., Buck, T., Minchev, I., Ness, M. K.
Monthly Notices of the Royal Astronomical Society – Published June 2022
doi:10.1093/mnrasl/slac065, NASA ADS

New Globular Cluster candidates in the M81 group

Pan, J., ... de Jong, R. S., ...
Monthly Notices of the Royal Astronomical Society – Published June 2022
doi:10.1093/mnras/stac1638, NASA ADS
AIP sections/groups: Milky Way and the Local Volume

The intrinsic reddening of the Magellanic Clouds as traced by background galaxies - III. The Large Magellanic Cloud

Bell, C. P. M., Cioni, M.-R. L., ...
Monthly Notices of the Royal Astronomical Society – Published June 2022
doi:10.1093/mnras/stac1545, NASA ADS

The Mechanism of Efficient Electron Acceleration at Parallel Nonrelativistic Shocks

Shalaby, M., Lemmerz, R., Thomas, T., Pfrommer, C.
The Astrophysical Journal, 932, 2, 86 – Published June 2022
doi:10.3847/1538-4357/ac6ce7, NASA ADS

Long Dark Gaps in the Lyβ Forest at z < 6: Evidence of Ultra-late Reionization from XQR-30 Spectra

Zhu, Y., ... Keating, L. C., ...
The Astrophysical Journal, 932, 2, 76 – Published June 2022
doi:10.3847/1538-4357/ac6e60, NASA ADS

On the Effect of the Large Magellanic Cloud on the Orbital Poles of Milky Way Satellite Galaxies

Pawlowski, M. S., Oria, P.-A., Taibi, S., Famaey, B., Ibata, R.
The Astrophysical Journal, 932, 1, 70 – Published June 2022
doi:10.3847/1538-4357/ac6ce0, NASA ADS

Scattering of Lyα Photons through the Reionizing Intergalactic Medium: I. Spectral Energy Distribution

Park, H., ... Sorce, J. G., ...
The Astrophysical Journal, 931, 2, 126 – Published June 2022
doi:10.3847/1538-4357/ac69e4, NASA ADS

Nodal Precession and Tidal Evolution of Two Hot Jupiters: WASP-33 b and KELT-9 b

Stephan, A. P., ... Ilyin, I., ... Strassmeier, K. G.
The Astrophysical Journal, 931, 2, 111 – Published June 2022
doi:10.3847/1538-4357/ac6b9a, NASA ADS

The Cen A galaxy group: Dynamical mass and missing baryons

Müller, O., ... Pawlowski, M. S., ...
Astronomy and Astrophysics, 662, A57 – Published June 2022
doi:10.1051/0004-6361/202142351, NASA ADS

ALMA-IMF. I. Investigating the origin of stellar masses: Introduction to the Large Program and first results

Motte, F., ... Schuller, F., ...
Astronomy and Astrophysics, 662, A8 – Published June 2022
doi:10.1051/0004-6361/202141677, NASA ADS
AIP sections/groups: Solar Physics

On the toroidal-velocity antidynamo theorem under the presence of nonuniform electric conductivity

Rüdiger, G., Schultz, M.
Astronomische Nachrichten, 343, 5, e24011 – Published June 2022
doi:10.1002/asna.20224011, NASA ADS

Characterization of chromospheric activity based on Sun-as-a-star spectral and disk-resolved activity indices

Dineva, E., ... Ilyin, I., Verma, M., Diercke, A., Strassmeier, K. G., Denker, C.
Astronomische Nachrichten, 343, 5, e23996 – Published June 2022
doi:10.1002/asna.20223996, NASA ADS

An Aligned Orbit for the Young Planet V1298 Tau b

Johnson, M. C., ... Ilyin, I., Strassmeier, K., Mallonn, M., ...
The Astronomical Journal, 163, 6, 247 – Published June 2022
doi:10.3847/1538-3881/ac6271, NASA ADS

The VMC survey - XLVI. Stellar proper motions in the centre of the Large Magellanic Cloud

Niederhofer, F., Cioni, M.-R. L., Schmidt, T., ...
Monthly Notices of the Royal Astronomical Society, 512, 4, 5423 – Published June 2022
doi:10.1093/mnras/stac712, NASA ADS

Escaping the maze: a statistical subgrid model for cloud-scale density structures in the interstellar medium

Buck, T., Pfrommer, C., Girichidis, P., Corobean, B.
Monthly Notices of the Royal Astronomical Society, 513, 1, 1414 – Published June 2022
doi:10.1093/mnras/stac952, NASA ADS

NIHAO-LG: the uniqueness of Local Group dwarf galaxies

Arora, N., ... Buck, T., Libeskind, N. I., Sorce, J. G., ...
Monthly Notices of the Royal Astronomical Society, 512, 4, 6134 – Published June 2022
doi:10.1093/mnras/stac893, NASA ADS

Limits on non-canonical heating and turbulence in the intergalactic medium from the low redshift Lyman α forest

Bolton, J. S., ... Puchwein, E., ...
Monthly Notices of the Royal Astronomical Society, 513, 1, 864 – Published June 2022
doi:10.1093/mnras/stac862, NASA ADS

The synchronized dance of the magellanic clouds' star formation history

Massana, P., ... Cioni, M.-R. L., ...
Monthly Notices of the Royal Astronomical Society, 513, 1, L40 – Published June 2022
doi:10.1093/mnrasl/slac030, NASA ADS

Turning points in the age-metallicity relations - created by late satellite infall and enhanced by radial migration

Lu, Y. (., Ness, M. K., Buck, T., Carr, C.
Monthly Notices of the Royal Astronomical Society, 512, 4, 4697 – Published June 2022
doi:10.1093/mnras/stac780, NASA ADS

3D hydrodynamic simulations for the formation of the Local Group satellite planes

Banik, I., ... Pawlowski, M. S., ...
Monthly Notices of the Royal Astronomical Society, 513, 1, 129 – Published June 2022
doi:10.1093/mnras/stac722, NASA ADS

[List of AIP publications] [AIP publications in ADS]

 

Events and dates at AIP

MUSE Busy Week
30.05.2022 – 03.06.2022
Scientific
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Colloquium: Lauren Jouve (IRAP, France)
02.06.2022, 14:30 – 15:30
Scientific

In this talk, we will review some aspects of the stellar magnetism and in particular what numerical simulations tell us about the physical processes underlying the observations. In cool Sun-like stars, a convective dynamo is thought to be responsible for the presence and evolution of magnetic fields. One important aspect of stellar dynamos is the possible presence of magnetic cycles, whose characteristics depend on the stellar parameters. Another question is how magnetic flux is transported from the interior to the surface to produce starspots and whether those spots play a role in the dynamo process. In hotter and more massive stars, the manifestations of a magnetic field are drastically different. Only 5 to 10% of those stars seem to exhibit a strong dipolar magnetic field while most of the other stars are thought to possess a weak complex field. The reason for the existence of this magnetic dichotomy could be linked to the development of magnetic instabilities. We will show in this talk that numerical simulations may help us tackle several of the above key questions about stellar magnetism.

[more]

Hauskolloquium - Pengfei Li
09.06.2022, 14:30 – 15:30
Scientific
[more]

Gaia Data Release 3
13.06.2022, 10:00 – 12:00
Public Event

The European Space Agency's (ESA) Gaia space observatory will release its third data catalogue on 13 June 2022. Numerous events around the world will celebrate this success from 10 am (CEST). More information and links to the registration as well as to the German-language event via Zoom is available on the corresponding news page.

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Award ceremony of the Johann Wempe Prize 2022
14.06.2022, 14:00 – 16:00
Scientific

The AIP will award the 2022 Johann Wempe Prize to Dr Roland Bacon of the Centre de Recherche Astrophysique de Lyon, France, on June 14. The ceremony and keynote lecture will be a hybrid event and in English language. Only AIP members and invited guests may attend.

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Leibniz Book a Scientist
15.06.2022, 10:00 – 17:30
Public Event

What is an iron eater? Do girls read better than boys? Who are the peoples in the People's Republic of China? How can arable farming be digitally predicted? Why do many people volunteer in old age? How does catalysis help with climate protection? And what happens in the brain when we recall memories?

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Roland Bacon - Wempe Lecture I / Colloquium
16.06.2022, 14:30 – 15:30
Scientific

"Birth of the concept and first generation: TIGER, OASIS and SAURON"

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Virtual Babelsberg Starry Night
16.06.2022, 18:00 – 19:00
Public Event

Talk (in German): The Magnificent Seven – Seven 'naked' neutron stars in the X-ray sky (Axel Schwope)

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Wempe Lecture II - Roland Bacon (CRAL)
22.06.2022, 14:30 – 15:30
Scientific

"The second generation and future prospects: MUSE, BlueMUSE and the Wide Field Spectroscopic Telescope"

[more]

Memorial Colloquium for Professor Karl-Heinz Raedler
23.06.2022
Scientific
[more]

Solar seminar: Andrea Diercke
28.06.2022, 11:00 – 12:00
Scientific
[more]

Wempe Lecture III- Roland Bacon (CRAL)
29.06.2022, 14:30 – 15:30
Scientific

"Example of scientific impact: MUSE spectroscopic deep fields"

[more]

Hauskolloquium - Pengfei Li
30.06.2022, 14:30 – 15:30
Scientific
[more]

Long Night of the Sciences
02.07.2022, 17:00 – 23:59
Public Event

Experience the history of science up close: In the historic cupola of the Great Refractor, interested visitors can admire one of the largest refracting telescopes in the world. Scientists from the Leibniz Institute for Astrophysics Potsdam (AIP) give exciting insights into modern astronomy in lectures (in German). Atmospheric music fills the room with a special atmosphere before, after dark and in the case of clear skies, the guests become observers themselves under expert guidance and can take a look through the telescope into the vastness of the cosmos.

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Colloquium: Ekaterina Ilin (AIP
14.07.2022, 14:30 – 15:30
Scientific

TBD

[more]
Public Event
Scientific
Internal Event
Holidays

Conferences

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Thinkshop 2022: High-resolution spectroscopy for exoplanet atmospheres and biomarkers

Sept. 7, 2022 – Sept. 9, 2022
[Website]