Scientific Program

The booklet of abstracts can be found here.

Sunday, 25.8.2019

18:00-21:00 Reception and registration

Monday, 26.8.2019

8:30-9:00 Registration
9:00-9:15 Welcome
Session I: Surveys for run-away and hyper-velocity stars
Chair: Veronika Schaffenroth
9:15-9:40 S. Jordan, Gaia and hyper-velocity stars
9:40-10:05 D. Boubert, Hypervelocity discoveries from Gaia DR2
10:05-10:30 S. Geier, Searching for fast hot subdwarfs before and after Gaia DR2
10:30-11:00 Coffee break
11:00-11:25 Y. Lu, LAMOST and hypervelocity stars
11:25-11:50 E. Rossi, Unbound stars to jointly investigate their explosive origin and the Galaxy mass
11:50-12:15 B. Dincel, A systematic search of OB runaway stars in several supernova remnants
12:15-14:00 Lunch break
Chair: Mark Hollands
14:00-14:25 J. Maiz Apellaniz, Combining Gaia DR2 and multi-epoch optical spectroscopic surveys to find runaway OB stars
14:25-15:00 Discussion session I (Chairs: Alessia Gualandris + Douglas Boubert)
Session II: Kinematics and chemical composition of runaway and hyper-velocity stars
15:00-15:25 U. Heber, Hypervelocity stars in the Gaia era: Old friends revisited
15:25-16:00 Coffee break
16:00-16:25 W. Brown, Gaia and the Galactic center origin of HVS
16:25-16:50 A. Irrgang, Hypervelocity stars in the Gaia era: Runaway B stars beyond the velocity limit of classical ejection mechanisms
16:50-17:15 S. Kreuzer, MMT HVS sample revisited
17:15-17:40 K. Hattori, Insights from the massive hyper-runaway subgiant star LAMOST-HVS1
17:40-18:05 S. E. Koposov, The discovery of a nearby 1700 km/s hyper-velocity star ejected by Sgr A*

Tuesday, 27.8.2019

Session II: Kinematics and chemical composition of runaway and hyper-velocity stars
Chair: Baha Dincel
9:15-9:40 D. Lennon, Hubble astrometry and proper motions of isolated massive stars near the Galactic center
9:40-10:05 N. Przybilla, The Gaia DR2 view on hyper-runaway stars
10:05-10:30 A. A. C. Sander, Massive and very massive runaway stars
10:30-11:00 Coffee break
11:00-11:25 A. Bastian, Kinematics of sdB and sdOB stars from Gaia and SDSS data
11:25-11:50 C. S. Jeffery, Heavy metal subdwarfs and hypervelocities
11:50-12:15 J. Vos, The heavy metal sdB+MS halo binary MCT 0146-2651
12:15-14:00 Lunch break
Chair: Nicole Reindl
14:00-14:25 R. Raddi, Runaway white dwarfs that survive to peculiar thermonuclear supernovae
14:25-14:50 M. Hollands, Spectroscopy of partially burnt runaway stars
14:50-15:15 R.-D. Scholz, Nearby, Halo, and hypervelocity white dwarfs in Gaia DR2
15:15-15:45 Discussion session II (Chairs: Warren Brown + Roberto Raddi)
15:45-16:05 Coffee break
Session III: Dynamics of stellar clusters and the Galactic centre
16:05-16:30 S. Gillessen, Stellar motions near the Galactic Center black hole
16:30-16:55 J. Haas, Stars on the run from N-body simulations
18:00 Guided tour at the historical Telegrafenberg Observatory

Wednesday, 28.8.2019

Chair: Patrick Neunteufel
9:15-9:40 A. Gualandris, Hypervelocity stars from stars clusters hosting intermediate-mass black holes
9:40-10:05 A. Bhat, The origin of massive runaway stars from nearby open clusters
10:05-10:30 A. Rasskazov, Hypervelocity stars from a supermassive black hole - intermediate mass black hole binary
10:30-11:00 Coffee break
11:00-11:25 C. Schoettler, Runaways from the Orion nebula cluster in simulations and observations
11:25-13:00 Lunch break
13:00-20:00 Conference trip to Berlin

Thursday, 29.8.2019

Session IV: Gravitational potential of the Milky Way, Satellite Galaxy and extragalactic origin
Chair: Ingrid Pelisoli
9:15-9:40 N. Wyn Evans, The gravitational potential of the Milky Way and the riddle of the hypervelocity stars
9:40-10:05 F. Evans, A modelling pipeline for Gaia constraints on the Galactic dark matter halo
10:05-10:30 C. Laporte, Stellar disc streams as probes of the Galactic potential
10:30-11:00 Coffee break
11:25-11:50 D. Erkal, Hypervelocity stars and the LMC
11:50-12:15 N. Castro, SMC field OB stars: Dynamical vs supernova ejections
12:15-12:40 Y. Q. Zhang, Cool runaways - Nearby Hills ejecta as a probe of the gravitational potential of the Milky Way
12:40-14:00 Lunch break
Chair: Mathieu Renzo
14:00-14:30 Discussion session III+IV (Chairs: Elena Rossi + Wyn Evans)
Session V: Bow shocks and nebulae from run-away stars
14:30-14:55 D. Bomans, Multi-wavelength observations of atmospheres/bow shocks of run-away stars
14:55-15:20 S. Green, Thermal emission from bow shocks I: 2D hydrodynamical models of the Bubble nebula
15:20-15:50 Coffee break
15:50-16:15 V. V. Gvaramadze, Nebulae around runaway stars
16:15-16:40 K. Weis, Luminous Blue Variables - a few among many
16:40-17:05 D. M.-A. Meyer, Asymmetric supernova remnants from runaway Wolf-Rayet stars
17:05-17:30 Discussion session V (Chairs: Kerstin Weis + Dominique Meyer)
19:00-24:00 Conference dinner

Friday, 30.8.2019

Session VI: Core-collapse and thermonuclear supernova ejection
Chair: Kohei Hattori
9:40-10:05 O. Lux, Runaway stars in supernova remnants
10:05-10:30 R. Neuhäuser, A pulsar-runaway-pair from a nearby supernova about 1.8 Myr ago that ejected 60-Fe found on Earth
10:30-11:00 Coffee break
11:00-11:25 M. Renzo, Massive "widowed" stars: probes for explosions physics and binary evolution
11:25-11:50 P. Neunteufel, Runaway hot subdwarfs - a key to understanding thermonuclear supernovae?
11:50-12:15 E. Bauer, Remnants of donor stars ejected from close binaries with thermonuclear supernovae
12:15-13:45 Lunch break
Chair: Evan Bauer
13:45-14:10 A. Pannicke, Host associations around supernova remnants S147 and Antlia SNR
14:10-14:35 P. Podsiadlowski, Testing models for runaway stars
14:35-15:30 Discussion session VI and general discussion (Chairs: Stephen Justham + Uli Heber)
15:30 Farewell with snacks