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An efficient observational strategy for the detection of the Oort cloud
Eran O. Ofek, Sarah A. Spitzer, Guy Nir
The Oort cloud is presumably a pristine relic of the Solar System formation. Detection of the Oort cloud may provide information regarding the stellar environment in which the Sun…
HighSpec: A High-Resolution Spectrograph for the MAST Telescope Array
Yahel Sofer Rimalt, Sagi Ben-Ami, Eran Ofek +13
We present the updated design of HighSpec, a high-resolution spectrograph designed for the Multi Aperture Spectroscopic Telescope (MAST). HighSpec offers…
Sensor characterization for the ULTRASAT space telescope
Benjamin Bastian-Querner, Nirmal Kaipachery, Daniel Küsters +31
The Ultraviolet Transient Astronomical Satellite is a scientific space mission carrying an astronomical telescope. The mission is led by the Weizmann Institute of Science in Israel…
Design of the ULTRASAT UV camera
Arooj Asif, Merlin Barschke, Benjamin Bastian-Querner +34
The Ultraviolet Transient Astronomical Satellite (ULTRASAT) is a scientific UV space telescope that will operate in geostationary orbit. The mission, targeted to launch in 2024, is…
The Weizmann Fast Astronomical Survey Telescope (W-FAST): System Overview
Guy Nir, Eran O. Ofek, Sagi Ben-Ami +8
A relatively unexplored phase space of transients and stellar variability is that of second and sub-second time-scales. We describe a new optical observatory operating in the Negev…
Measuring time delays: II. Using observations of the unresolved flux and astrometry
Ofer M. Springer, Eran O. Ofek
Lensed quasars and supernovae can be used to study galaxies' gravitational potential and measure cosmological parameters. The typical image separation of objects lensed by galaxies…