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
May 28
16:15		 The Story of 1I/’Oumuamua, The First Visitor from Another Star System
Karen Meech (Inst. Astron., Univ. Hawaii (USA))
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, großer Hörsaal
Jun 04
16:15		 The Multi-Messenger Picture of Neutron Star Mergers
Brian David Metzger (Columbia University, New York (USA))
Heidelberg Joint Astronomical Colloquium
Philosophenweg 12, großer Hörsaal
Jun 06
11:15		 nn
Yiannis Tsapras (ARI)
ARI Institute Kolloquium
ARI Moenchhofstrasse 12-14, Seminarraum 1

Recent publications
6/2019
Riley, Alexander H.; Fattahi, Azadeh et al. (inc. Grand, Robert J. J.)
The velocity anisotropy of the Milky Way satellite system
MNRAS 486, 2679(2019)

7/2019
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; King, J.; Jankowsky, F.; Glawion, D.)
H.E.S.S. observations of the flaring gravitationally lensed galaxy PKS 1830-211
MNRAS 486, 3886(2019)

6/2019
Mantha, Kameswara Bharadwaj; McIntosh, Daniel H. et al. (inc. Ceverino, Daniel)
Studying the physical properties of tidal features - I. Extracting morphological substructure in CANDELS observations and VELA simulations
MNRAS 486, 2643(2019)