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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.

einstein_AIP038
old_disc_RVS_footprint2
magenta-violet gaseous spheres
MUSE Ultra Deep Field
Sun-magnetic_field_lines

Einstein Tower and Great Refractor anniversary

The Leibniz Institute for Astrophysics Potsdam (AIP) invited visitors to the Telegrafenberg in Potsdam on September 8, 2024 to take part in the Day of Open Monuments. The focus was on the Einstein Tower, which celebrated its 100th anniversary this year. The Great Refractor, which has been in use for 125 years, also opened its doors to visitors on this day.

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Discovery of ancient stars on the stellar thin disk of the Milky Way

Machine learning shed new light on the formation history of our Milky Way: a surprising discovery about the evolution of our galaxy using data from the Gaia mission found a large number of ancient stars on orbits similar to that of our Sun. They formed the Milky Way’s thin disc already less than 1 billion years after the Big Bang, several billion years earlier than previously believed.

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Virtual lecture from the Babelsberg Starry Nights on 18th July 2024

How many brown dwarfs are there in the solar neighbourhood? Are they all known yet? The next talk of the Virtual Babelsberg Starry Nights of the Leibniz Institute for Astrophysics Potsdam (AIP) on the topic “News from the solar neighbourhood" (German) by Dr. Ralf-Dieter Scholz will be broadcast on the YouTube channel “Urknall, Weltall und das Leben” (Big Bang, Universe and Life) from Thursday, 18. July 2024.

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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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Latest News
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Virtual lecture: Babelsberg Starry Night on 19 September 2024
Sept. 18, 2024

The next talk of the Virtual Babelsberg Starry Nights of the Leibniz Institute for Astrophysics Potsdam (AIP) will be broadcast on the YouTube channel “videowissen” from Thursday, 19th September 2024.

[more]
einstein_AIP038

Einstein Tower and Great Refractor anniversary
Aug. 28, 2024

To mark the Day of Open Monuments, the Leibniz Institute for Astrophysics Potsdam (AIP) invited visitors to the Telegrafenberg on September 8, 2024. The focus was on the Einstein Tower, which celebrated its 100th anniversary this year.

[more]
old_disc_Sun_old_young_rotation

Discovery of ancient stars on the stellar thin disk of the Milky Way
July 31, 2024

With the help of machine learning, a team at the AIP has made a surprising discovery. Based on data from the Gaia mission, a large number of ancient stars with similar orbits to our sun have been discovered. They formed the thin disk of the Milky Way several billion years earlier than previously thought. These results provide new insights into early star formation and the evolution of galaxies.

[more]
 

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Latest Publications

Why does the Milky Way have a bar?

Khoperskov, S., Minchev, I., Steinmetz, M., Ratcliffe, B., Walcher, J. C., Libeskind, N. I.
Monthly Notices of the Royal Astronomical Society, 533, 4, 3975 – Published October 2024
doi:10.1093/mnras/stae1902, NASA ADS

Retrieving Young Cloudy L Dwarfs: A Nearby Planetary-mass Companion BD+60 1417B and its Isolated Red Twin W0047

Phillips, C. L., ... Ilyin, I., Strassmeier, K., ...
The Astrophysical Journal, 972, 2, 172 – Published September 2024
doi:10.3847/1538-4357/ad5d57, NASA ADS

Elemental Abundances in And XIX from Coadded Spectra

Cullinane, L. R. et al.
The Astrophysical Journal, 972, 2, 133 – Published September 2024
doi:10.3847/1538-4357/ad5f2e, NASA ADS

High-Resolution Sun-as-a-Star Spectroscopy of the Partial Solar Eclipse of 2017 August 21

Dineva, E., Denker, C., Verma, M., Strassmeier, K., Ilyin, I., ...
Solar Physics, 299, 9, 123 – Published September 2024
doi:10.1007/s11207-024-02358-z, NASA ADS

The high-energy environment of the heavy sub-Earth GJ 367 b indicates likely complete evaporation of its atmosphere

Poppenhaeger, K., Ketzer, L., Ilic, N., ...
Astronomy and Astrophysics, 689, A188 – Published September 2024
doi:10.1051/0004-6361/202449351, NASA ADS
AIP sections/groups: Stellar Physics and Exoplanets

Exploring the stellar rotation of early-type stars in the LAMOST medium-resolution survey: III. Evolution

Sun, W., Chiappini, C.
Astronomy and Astrophysics, 689, A141 – Published September 2024
doi:10.1051/0004-6361/202450628, NASA ADS
AIP sections/groups: Milky Way and the Local Volume

Unveiling the nature of two dwarf novae: CRTS J080846.2+313106 and V416 Dra

Joshi, A., ... Schwope, A., ...
Astronomy and Astrophysics, 689, A158 – Published September 2024
doi:10.1051/0004-6361/202348307, NASA ADS
AIP sections/groups: X-ray Astronomy

From gas to stars: MUSEings on the internal evolution of IC 1613

Taibi, S., ... Roth, M. M., ... Kacharov, N., ...
Astronomy and Astrophysics, 689, A88 – Published September 2024
doi:10.1051/0004-6361/202449468, NASA ADS

Can the splashback radius be an observable boundary of galaxy clusters?

Lebeau, T., Ettori, S., Aghanim, N., Sorce, J. G.
Astronomy and Astrophysics, 689, A19 – Published September 2024
doi:10.1051/0004-6361/202450146, NASA ADS

Detecting galaxy groups populating the local Universe in the eROSITA era

Marini, I., ... Lamer, G., ...
Astronomy and Astrophysics, 689, A7 – Published September 2024
doi:10.1051/0004-6361/202450442, NASA ADS
AIP sections/groups: X-ray Astronomy

Revealing the chemical structure of the Magellanic Clouds with APOGEE. I. Calculating individual stellar ages of RGB stars in the Large Magellanic Cloud

Povick, J. T., ... Cioni, M.-R. L., ...
Monthly Notices of the Royal Astronomical Society, 533, 3, 3685 – Published September 2024
doi:10.1093/mnras/stae1949, NASA ADS

Ram-pressure stripped radio tails detected in the dynamically active environment of the Shapley Supercluster

Merluzzi, P., ... Krajnović, D., ...
Monthly Notices of the Royal Astronomical Society, 533, 2, 1394 – Published September 2024
doi:10.1093/mnras/stae1867, NASA ADS
AIP sections/groups: Galaxies and Quasars

Growth of high-redshift supermassive black holes from heavy seeds in the BRAHMA cosmological simulations: implications of overmassive black holes

Bhowmick, A. K., ... Weinberger, R., ...
Monthly Notices of the Royal Astronomical Society, 533, 2, 1907 – Published September 2024
doi:10.1093/mnras/stae1819, NASA ADS

Chandra Survey in the AKARI deep field at the North Ecliptic Pole: Optical and near-infrared identifications of X-ray sources

Miyaji, T., ... Krumpe, M., ...
Astronomy and Astrophysics, 689, A83 – Published September 2024
doi:10.1051/0004-6361/202450453, NASA ADS
AIP sections/groups: X-ray Astronomy

Damping wing-like features in the stacked Ly α forest: Potential neutral hydrogen islands at z < 6

Zhu, Y., ... Puchwein, E., ...
Monthly Notices of the Royal Astronomical Society, 533, 1, L49 – Published September 2024
doi:10.1093/mnrasl/slae061, NASA ADS

Fine structures of a solar type III radio bursts observed with LOFAR

Dabrowski, B., ... Vocks, C., ... Bröse, M., ... Mann, G., ...
Acta Geophysica – Published August 2024
doi:10.1007/s11600-024-01421-4, NASA ADS
AIP sections/groups: Solar Physics

Simulated Coronal Mass Ejections on a Young Solar-type Star and the Associated Instantaneous Angular Momentum Loss

Xu, Y., Alvarado-Gómez, J. D., ... Poppenhäger, K., ...
The Astrophysical Journal, 971, 2, 153 – Published August 2024
doi:10.3847/1538-4357/ad5845, NASA ADS
AIP sections/groups: Stellar Physics and Exoplanets

Denser Environments Cultivate Larger Galaxies: A Comprehensive Study beyond the Local Universe with 3 Million Hyper Suprime-Cam Galaxies

Ghosh, A., ... Powell, M. C., ...
The Astrophysical Journal, 971, 2, 142 – Published August 2024
doi:10.3847/1538-4357/ad596f, NASA ADS
AIP sections/groups: Galaxies and Quasars

Proper Motions and Orbits of Distant Local Group Dwarf Galaxies from a Combination of Gaia and Hubble Data

Bennet, P., ... Sacchi, E., ...
The Astrophysical Journal, 971, 1, 98 – Published August 2024
doi:10.3847/1538-4357/ad5349, NASA ADS
AIP sections/groups: Supercomputing and E-Science

Coronal Models and Detection of the Open Magnetic Field

Asvestari, E., ... Hofmeister, S. J., ...
The Astrophysical Journal, 971, 1, 45 – Published August 2024
doi:10.3847/1538-4357/ad5155, NASA ADS
AIP sections/groups: Solar Physics

The SRG/eROSITA All-Sky Survey. Optical identification and properties of galaxy clusters and groups in the western galactic hemisphere

Kluge, M., ... Lamer, G., ...
Astronomy and Astrophysics, 688, A210 – Published August 2024
doi:10.1051/0004-6361/202349031, NASA ADS
AIP sections/groups: X-ray Astronomy

Understanding the star formation efficiency in dense gas: Initial results from the CAFFEINE survey with ArTéMiS

Mattern, M., ... Schuller, F., ...
Astronomy and Astrophysics, 688, A163 – Published August 2024
doi:10.1051/0004-6361/202449908, NASA ADS
AIP sections/groups: Solar Physics

Discovery of the local counterpart of disc galaxies at z > 4: The oldest thin disc of the Milky Way using Gaia-RVS

Nepal, S., Chiappini, C., ... Guiglion, G., ... Steinmetz, M., ... Khalatyan, A.
Astronomy and Astrophysics, 688, A167 – Published August 2024
doi:10.1051/0004-6361/202449445, NASA ADS

SDSS1335+0728: The awakening of a ∼106 M⊙ black hole

Sánchez-Sáez, P., ... Homan, D., Krumpe, M., ... Tubín-Arenas, D., ...
Astronomy and Astrophysics, 688, A157 – Published August 2024
doi:10.1051/0004-6361/202347957, NASA ADS
AIP sections/groups: X-ray Astronomy

The satellite galaxy plane of NGC 4490 in light of ΛCDM. Sparsity of similarly extreme analogs and a possible role of satellite pairs

Pawlowski, M. S., ... Taibi, S., Júlio, M. P., Kanehisa, K. J., ...
Astronomy and Astrophysics, 688, A153 – Published August 2024
doi:10.1051/0004-6361/202449954, NASA ADS

Beyond the surface: Hydrodynamical N-body simulations of the interacting dwarf galaxies NGC 5238 and UGC 8760

Pascale, R., ... Sacchi, E., ...
Astronomy and Astrophysics, 688, A144 – Published August 2024
doi:10.1051/0004-6361/202348991, NASA ADS
AIP sections/groups: Supercomputing and E-Science

Stellar angular momentum of intermediate-redshift galaxies in MUSE surveys

Muñoz López, C., Krajnović, D., ... Herrero-Alonso, Y., Urrutia, T., ... Pessa, I.
Astronomy and Astrophysics, 688, A75 – Published August 2024
doi:10.1051/0004-6361/202449758, NASA ADS

oMEGACat. II. Photometry and Proper Motions for 1.4 Million Stars in Omega Centauri and Its Rotation in the Plane of the Sky

Häberle, M., ... Kacharov, N., ...
The Astrophysical Journal, 970, 2, 192 – Published August 2024
doi:10.3847/1538-4357/ad47f5, NASA ADS

"Forbidden" stars in the eROSITA all-sky survey: X-ray emission from very late-type giants

Schmitt, J. H. M. M., ... Schwope, A.
Astronomy and Astrophysics, 688, A9 – Published August 2024
doi:10.1051/0004-6361/202449181, NASA ADS
AIP sections/groups: X-ray Astronomy

Unraveling the birthplaces of NGC 2070's massive stars, tracked with MUSE and revealed with JWST

Castro, N.
Astronomy and Astrophysics, 688, L4 – Published August 2024
doi:10.1051/0004-6361/202347528, NASA ADS
AIP sections/groups: Astrophotonics (innoFSPEC)

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

 

Events and dates at AIP

Colloquium: E. Vasiliev (Cambridge)
05.09.2024, 14:30 – 15:30
Scientific
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Day of the Open Monument (Telegrafenberg)
08.09.2024, 10:00 – 18:00
Public Event

On the occasion of the Day of the Open Monument, the “Förderverein Großer Refraktor e.V.” association opens the doors to the historic refracting telescope on 8 September 2024 from 10 am to 6 pm. The members of the association offer guided tours of the astrophysical highlights of the Telegrafenberg as well as a demonstration of the telescope. This year also open for visiting: the Einstein Tower, celebrating its 100th anniversary!

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External Colloquium | Emilia Kilpua (U. of Helsinki)
19.09.2024, 14:00 – 16:00
Scientific

Title: Multi-scale nature and consequences of solar eruptions

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Virtual Babelsberg Starry Night
19.09.2024, 19:00 – 20:00
Public Event

Talk: Our Galaxy has a history (Cristina Chiappini)

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Scientific Advisory Board
24.09.2024 – 25.09.2024
Internal Event
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External Colloquium |Margot Leemker (U. of Milan)
10.10.2024, 14:00 – 16:00
Scientific

TBD

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Public Event
Scientific
Internal Event
Holidays