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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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Virtual Babelsberg Starry Night

The next lecture of the virtual Babelsberg Starry Nights of the Leibniz Institute for Astrophysics Potsdam (AIP) on the topic "Resolved stellar populations – from Galileo Galilei to the Extremely Large Telescope" will be broadcasted starting on Thursday, 20 January 2022 on the YouTube channel "Urknall, Weltall und das Leben". Please note that the lecture will be given in German.

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Scientists predict the rotation periods of stars

The Leibniz Institute for Astrophysics Potsdam (AIP) announces the completion of a major three-publication survey of one of the richest accessible open star clusters. The final study features a method of deriving the rotation periods of stars from just one observation of the stellar activity rather than repeated observations over several weeks.

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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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Giant planets could reach “maturity” much earlier than previously thought

An international team of scientists has successfully measured the masses of the giant planets of the V1298 Tau system, which is just 20 million years old. The study now published in Nature Astronomy delivers the first evidence that these objects can reach their final size within their first millions of years of evolution.

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Latest News
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Scientists predict the rotation periods of stars
Dec. 16, 2021

The Leibniz Institute for Astrophysics Potsdam (AIP) announces the completion of a major three-publication survey of one of the richest accessible open star clusters. The final study features a method of deriving the rotation periods of stars from just one observation of the stellar activity rather than repeated observations over several weeks.

[more]
V1298_Tau_Press_1.jpg

Giant planets could reach “maturity” much earlier than previously thought
Dec. 2, 2021

An international team of scientists has successfully measured the masses of the giant planets of the V1298 Tau system, which is just 20 million years old. The study now published in Nature Astronomy delivers the first evidence that these objects can reach their final size within their first millions of years of evolution.

[more]
Space probe in front of the Earth

Solar Orbiter - Earth flyby
Nov. 26, 2021

The space probe Solar Obiter, carrying on board the X-ray telescope STIX developed with the participation of the Leibniz Institute for Astrophysics Potsdam (AIP), approaches Earth in a flyby manoeuvre on 27 November 2021.

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Latest Publications

Spectrally resolved cosmic rays - II. Momentum-dependent cosmic ray diffusion drives powerful galactic winds

Girichidis, P., Pfrommer, C., Pakmor, R., Springel, V.
Monthly Notices of the Royal Astronomical Society, 510, 3, 3917 – Published March 2022
doi:10.1093/mnras/stab3462, NASA ADS

Erratum: Resolving the age bimodality of galaxy stellar populations on kpc scales

Zibetti, S., ... Walcher, C. J., Wisotzki, L.
Monthly Notices of the Royal Astronomical Society, 510, 2, 2746 – Published February 2022
doi:10.1093/mnras/stab3675, NASA ADS
AIP sections/groups: Galaxies and Quasars

The GALAH Survey: chemical tagging and chrono-chemodynamics of accreted halo stars with GALAH+ DR3 and Gaia eDR3

Buder, S., ... Buck, T., ...
Monthly Notices of the Royal Astronomical Society, 510, 2, 2407 – Published February 2022
doi:10.1093/mnras/stab3504, NASA ADS

The SAMI Galaxy Survey: trends in [α/Fe] as a function of morphology and environment

Watson, P. J., ... Walcher, J., ...
Monthly Notices of the Royal Astronomical Society, 510, 1, 1541 – Published February 2022
doi:10.1093/mnras/stab3477, NASA ADS
AIP sections/groups: Galaxies and Quasars

The effect of inhomogeneous reionization on the Lyman α forest power spectrum at redshift z > 4: implications for thermal parameter recovery

Molaro, M., ... Keating, L. C., Puchwein, E., ...
Monthly Notices of the Royal Astronomical Society, 509, 4, 6119 – Published February 2022
doi:10.1093/mnras/stab3416, NASA ADS

Cross-checking SMBH mass estimates in NGC 6958 - I. Stellar dynamics from adaptive optics-assisted MUSE observations

Thater, S., Krajnović, D., Weilbacher, P. M., ...
Monthly Notices of the Royal Astronomical Society, 509, 4, 5416 – Published February 2022
doi:10.1093/mnras/stab3210, NASA ADS

Comparing different closure relations for cosmic ray hydrodynamics

Thomas, T., Pfrommer, C.
Monthly Notices of the Royal Astronomical Society, 509, 4, 4803 – Published February 2022
doi:10.1093/mnras/stab3079, NASA ADS

Simulating Globular Clusters in Dark Matter Subhalos

Carlberg, R. G., Keating, L. C.
The Astrophysical Journal, 924, 2, 77 – Published January 2022
doi:10.3847/1538-4357/ac347e, NASA ADS

Tracing Birth Properties of Stars with Abundance Clustering

Ratcliffe, B. L., ... Buck, T., ...
The Astrophysical Journal, 924, 2, 60 – Published January 2022
doi:10.3847/1538-4357/ac3481, NASA ADS

Detection of a 100,000 M ⊙ black hole in M31's Most Massive Globular Cluster: A Tidally Stripped Nucleus

Pechetti, R., ... den Brok, M., ...
The Astrophysical Journal, 924, 2, 48 – Published January 2022
doi:10.3847/1538-4357/ac339f, NASA ADS
AIP sections/groups: Galaxies and Quasars

Could the Magnetic Star HD 135348 Possess a Rigidly Rotating Magnetosphere?

Jayaraman, R., Hubrig, S., ... Järvinen, S., ...
The Astrophysical Journal, 924, 1, L10 – Published January 2022
doi:10.3847/2041-8213/ac4333, NASA ADS

Observational Signatures of Tearing Instability in the Current Sheet of a Solar Flare

Lu, L., ... Warmuth, A., ...
The Astrophysical Journal, 924, 1, L7 – Published January 2022
doi:10.3847/2041-8213/ac42c6, NASA ADS
AIP sections/groups: Solar Physics

HILIGT, Upper Limit Servers II - Implementing the data servers

König, O., ... Traulsen, I., ...
Astronomy and Computing, 38, 100529 – Published January 2022
doi:10.1016/j.ascom.2021.100529, NASA ADS
AIP sections/groups: X-ray Astronomy

A first estimate of the Milky Way dark matter halo spin

Obreja, A., Buck, T., Macciò, A. V.
Astronomy and Astrophysics, 657, A15 – Published January 2022
doi:10.1051/0004-6361/202140983, NASA ADS

Gas flows in galaxy mergers: supersonic turbulence in bridges, accretion from the circumgalactic medium, and metallicity dilution

Sparre, M., Whittingham, J., ... Pfrommer, C., ...
Monthly Notices of the Royal Astronomical Society, 509, 2, 2720 – Published January 2022
doi:10.1093/mnras/stab3171, NASA ADS

Dancing in the void: hydrodynamical N-body simulations of the extremely metal-poor galaxy DDO 68

Pascale, R., ... Sacchi, E., ...
Monthly Notices of the Royal Astronomical Society, 509, 2, 2940 – Published January 2022
doi:10.1093/mnras/stab3054, NASA ADS
AIP sections/groups: Milky Way and the Local Volume

Astraeus IV: quantifying the star formation histories of galaxies in the Epoch of Reionization

Legrand, L., ... Gottlöber, S., ...
Monthly Notices of the Royal Astronomical Society, 509, 1, 595 – Published January 2022
doi:10.1093/mnras/stab3034, NASA ADS

The MBHBM⋆ Project - II. Molecular gas kinematics in the lenticular galaxy NGC 3593 reveal a supermassive black hole

Nguyen, D. D., ... den Brok, M., ...
Monthly Notices of the Royal Astronomical Society, 509, 2, 2920 – Published January 2022
doi:10.1093/mnras/stab3016, NASA ADS
AIP sections/groups: Galaxies and Quasars

Ionizing radiation from AGNs at z > 3.3 with the Subaru Hyper Suprime-Cam Survey and the CFHT Large Area U-band Deep Survey (CLAUDS)

Iwata, I., ... Micheva, G., ...
Monthly Notices of the Royal Astronomical Society, 509, 2, 1820 – Published January 2022
doi:10.1093/mnras/stab2742, NASA ADS

Improving blazar redshift constraints with the edge of the Ly α forest: 1ES 1553+113 and implications for observations of the WHIM

Dorigo Jones, J., ... Muzahid, S., ...
Monthly Notices of the Royal Astronomical Society, 509, 3, 4330 – Published January 2022
doi:10.1093/mnras/stab3331, NASA ADS

Detection of anomalous element distribution in the extremely slowly rotating O9.7 V star HD 54879

Järvinen, S. P., Hubrig, S., ... Ilyin, I., ... Küker, M.
Monthly Notices of the Royal Astronomical Society – Published December 2021
doi:10.1093/mnras/stab3720, NASA ADS

Restoration of Images with a Spatially Varying PSF of the T80-S Telescope Optical Model Using Neural Networks

Bernardi, R. L., Berdja, A., Guzmán, C. D., Torres-Torriti, M., Roth, M. M.
Monthly Notices of the Royal Astronomical Society – Published December 2021
doi:10.1093/mnras/stab3400, NASA ADS
AIP sections/groups: Astrophotonics, innoFSPEC

Rapid contraction of giant planets orbiting the 20-million-year-old star V1298 Tau

Suárez Mascareño, A., ... Granzer, T., ... Strassmeier, K. G., Weber, M., Mallonn, M.
Nature Astronomy – Published December 2021
doi:10.1038/s41550-021-01533-7, NASA ADS

Erratum: "Resolved Nuclear Kinematics Link the Formation and Growth of Nuclear Star Clusters with the Evolution of Their Early and Late-type Hosts" (2021, ApJ, 921, 8)

Pinna, F., ... Walcher, C. J.
The Astrophysical Journal, 923, 2, 283 – Published December 2021
doi:10.3847/1538-4357/ac4011, NASA ADS

Whistler-regulated Magnetohydrodynamics: Transport Equations for Electron Thermal Conduction in the High-β Intracluster Medium of Galaxy Clusters

Drake, J. F., Pfrommer, C., ... Thomas, T., ...
The Astrophysical Journal, 923, 2, 245 – Published December 2021
doi:10.3847/1538-4357/ac1ff1, NASA ADS

Chasing the Tail of Cosmic Reionization with Dark Gap Statistics in the Lyα Forest over 5 < z < 6

Zhu, Y., ... Keating, L. C., ...
The Astrophysical Journal, 923, 2, 223 – Published December 2021
doi:10.3847/1538-4357/ac26c2, NASA ADS

The Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) Survey Design, Reductions, and Detections

Gebhardt, K., ... de Jong, R. S., ... Kelz, A., ... Krumpe, M., ... Steinmetz, M., ... Urrutia, T., Wisotzki, L., ...
The Astrophysical Journal, 923, 2, 217 – Published December 2021
doi:10.3847/1538-4357/ac2e03, NASA ADS

A Model of Spectral Line Broadening in Signal Forecasts for Line-intensity Mapping Experiments

Chung, D. T., ... Keating, L. C., ...
The Astrophysical Journal, 923, 2, 188 – Published December 2021
doi:10.3847/1538-4357/ac2a35, NASA ADS

APOGEE Chemical Abundance Patterns of the Massive Milky Way Satellites

Hasselquist, S., ... Cioni, M.-R. L., ...
The Astrophysical Journal, 923, 2, 172 – Published December 2021
doi:10.3847/1538-4357/ac25f9, NASA ADS

Highly Structured Inner Planetary System Debris around the Intermediate Age Sun-like Star TYC 8830 410 1

Melis, C., ... Krumpe, M.
The Astrophysical Journal, 923, 1, 90 – Published December 2021
doi:10.3847/1538-4357/ac2603, NASA ADS
AIP sections/groups: X-ray Astronomy

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

 

Events and dates at AIP

Virtual Babelsberg Starry Night
11.01.2022, 18:00 – 19:00
Public Event

Talk (in German): Exoplaneten • Alfvén's Theorem • bekannte Unbekannte vs. unbekannte Unbekannte (Ekaterina Ilin)

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Hauskolloquium Nikolay Kacharov
20.01.2022, 14:30 – 15:30
Scientific
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Virtual Babelsberg Starry Night
20.01.2022, 18:00 – 19:00
Public Event

Talk (in German): Aufgelöste Sternpopulationen: Von Galilei zum Extremely Large Telescope (Martin Roth)

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Institute Conference - ELT/HIRES
27.01.2022, 14:30 – 15:30
Scientific
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Evaluation AIP
10.02.2022 – 11.02.2022
Internal Event
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Colloquium: Elizabeth Cole-Kodikara (AIP)
17.02.2022, 14:30 – 15:30
Scientific

TBD

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19. Jamboree
24.02.2022, 14:30 – 15:30
Scientific
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Institute Conference - ELT/MOSAIC
03.03.2022, 14:30 – 15:30
Scientific
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Public Event
Scientific
Internal Event
Holidays

Conferences

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Dynamics of Solar and Stellar Convection Zones and Atmospheres (IAU Symposium 365)

May 23, 2022 – May 27, 2022
[Website]