Hagai Perets
Astrophysics group
New Nature paper on the origins of the peculiar Kuiper-belt object Ultima Thule
April 21, 2020
Our new Nature paper lead by Evgeni Grishin explains the origin of the peculiar Kuiper-belt object Ultima-Thule from quasi-secular evolution.
Winning the ERC consolidator grant SNeX (2M Euro)
January 31, 2020
Starting August 2020 we begin the SNeX ERC consolidator grant st 2020 exploring the origin of thermonuclear supernovae. The grant will allow us to explore novel ideas for the origins of type Ia supernovae and other transients, using cutting edge tools and hardware. Student and postdocs are welcome to join this exciting research.
Planet seeding: a new paradign for the early stages of planet formation
September 30, 2018
In a new paper we propose that interstellar planetesimals can be captured by the gaseous protoplanetary disk of newly formed systems, and provide a seed for planetary growth. Thereby potentially solving the main challenges arising from the "meter-size barrier problem" in planet formation models.
A novel model for the origin of binary-mergers graviational wave sources
February 26, 2019
In a new paper we show that ultra-wide binaries perturbed by flyby encounters with field stars can become highly eccentric and give rise to gravitational-wave sources with unique properties produced at high rates.
Group member Barry Ginat wins the Jacobs excellence fellowship
February 14, 2019
What's this item about? What makes it interesting? Write a catchy description to grab your audience's attention...
The importance of being wide: A new paper about wide triples and common envelope evolution
February 03, 2019
In this new paper we propose a novel method of using wide triples to constrain common-envelope evolution, and suggest that the time-scale for common-envelope ejection is far longer than previously thought, suggesting long-lived processes rather than dynamical processes give rise to common-envelope ejection.
Rapidly evolving supernovae from mergers of neutron stars with white dwarfs
January 26, 2020
In our new paper we made new hydrodynamical models of mergers between neutron stars and white dwarfs showing them to produce faint, likely rapidly evolving supernovae, possibly explaining the origin of supernovae such as SN 2010X and SN 2005ek.