Our research is focused on cosmic explosions: the catastrophic deaths of stars. Huge amounts of energy are released within hours in events so bright they are seen from the edge of the Universe. The resulting extreme physical conditions involve huge densities, pressures and temperatures, strong magnetic fields, nuclear and high energy particle reactions, and strong relativistic effects (special and general). These topics are at the forefront of research in high energy particle astrophysics and gravity theories, with implications from the source of life to cosmology.

Avishay Gal-Yam, Group Head
Working on cosmic explosions, their origins, physics, and how they shape our Universe, from elements to form planets, to the geometry and final fate of the cosmos.
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Eran Ofek, Group Head
Working on the origin and physics of cosmic explosions, the cometary resevoirs of the solar system and gravitational lensing.
Contact | Website
Ilan Sagiv, Staff Scientist
Project scientist for ULTRASAT: an Israeli-lead space mission designed to detect transient events in the UV and distribute alerts in near real time.
Contact | Website
Ofer Yaron, Staff Scientist
Studying superluminous supernovae, with emphasis on pair instability candidates and their host environments. Developing and maintaining WISeREP - The Weizmann interactive SN data repository.
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Ilan Manulis, Observatory Director
Director of the Kraar Observatory, works on robotosizing and automating astronomical observations.
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Paul Marijn Vreeswijk, Post-Doc
Investigating the interstellar medium surrounding gamma-ray bursts through (high-resolution) spectroscopy of their afterglows.
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Annalisa De Cia, Post-Doc
Investigating the properties of the interstellar medium in distant star-forming galaxies hosting gamma-ray bursts and supernovae.
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Assaf Horesh, Post-Doc
Studying cosmic explosions, exploring the dynamical radio sky, and using gravitational lensing as an astrophysical tool.
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Maayane Soumagnac, Post-Doc
Working on Baryon Acoustic Oscillations and star/galaxy separation in large galaxy surveys (such as the Dark Energy Survey). Investigating the potential of studying exoplanetary systems with the ULTRASAT mission.
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Shai Kaspi, Special Consultant
Working at the Wise Observatory, assisting with PTF followup. Main research field is AGNs as well as transiting phenomenon such as SNe, GRBs, and gravitational microlensing events.
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Tali Engel, Programmer
Developing algorithms and pipelines for image reduction.
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Barak Zackay, PhD student
Working on statistical and algorithmic methods in astronomical observation and data analysis.
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Adam Rubin, PhD student
Investigating hydrogen-rich supernovae and working on the NOT transient explorer.
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Noam Ganot, PhD student
Studying the UV emission of supernovae.
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Danny Khazov, MSc student
Working on the i/PTF supernova flash-spectroscopy sample.
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Website by: Iair Arcavi