Ruprecht-Karls-Universität Heidelberg

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ZAH NEWS

Brown Dwarfs: Failed Stars Or Super-Planets?

Heidelberg astronomers find first signs that Brown Dwarfs can also form like a planet in a protoplanetary disk. (10.04.2019)

Gaia on 3sat: TV-Report with Stefan Jordan

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)

Tidal Tails – The Beginning Of The End Of An Open Star Cluster

Heidelberg researchers verify this phenomenon using Gaia data from the Hyades. (15.2.2019)

Open star clusters live longer than previously assumed

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)

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Colloquia at ZAH
Jun 17
11:15		 A general theory for the lifetimes of giant molecular clouds under the influence of galactic dynamics
Sarah Jeffreson
ITA "blackboard" Colloquium
Philosophenweg, 12, 106
Jun 18
16:15		 Exciting gravitational waves: Messages from merging black holes
Norbert Langer (Argelander Inst., Univ. Bonn, (D))
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, großer Hörsaal
Jun 21
15:00		 TBD
Karan Molaverdikhani (MPIA)
Königstuhl Kolloquium
Max-Planck-Institut für Astronomie, Level 3 Lecture Hall (301)

Recent publications
7/2019
Magg, Mattis; Klessen, Ralf S. et al. (inc. Glover, Simon C. O.)
Observational constraints on the survival of pristine stars
MNRAS 487, 486(2019)

7/2019
Reischke, Robert; Schäfer, Björn Malte et al. (inc. Lautsch, Max)
Influence of the local Universe on weak gravitational lensing surveys
MNRAS 486, 5061(2019)

7/2019
Martizzi, Davide; Vogelsberger, Mark et al. (inc. Springel, Volker)
Baryons in the Cosmic Web of IllustrisTNG - I: gas in knots, filaments, sheets, and voids
MNRAS 486, 3766(2019)