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X-Sifter: detecting transients in X-ray data using the optimal Poisson matched filter
Maayane T. Soumagnac, Eran O. Ofek, Shachar S. Israeli +2
We present X-sifter, a software package designed for near-optimal detection of sources in X-ray images and other forms of photon images in the Poisson-noise regime. The code is bas…
Shock breakouts from compact CSM surrounding core-collapse SN progenitors may contribute significantly to the observed TeV neutrino background
E. Waxman, T. Wasserman, E. Ofek +1
Growing observational evidence suggests that enhanced mass loss from the progenitors of core-collapse supernovae (SNe) is common during yr preceding the explosion, creating…
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…
A cosmic formation site of silicon and sulphur revealed by a new type of supernova explosion
Steve Schulze, Avishay Gal-Yam, Luc Dessart +47
The cores of stars are the cosmic furnaces where light elements are fused into heavier nuclei. The fusion of hydrogen to helium initially powers all stars. The ashes of the fusion…
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…
Analysis of the full Spitzer microlensing sample I: Dark remnant candidates and Gaia predictions
Krzysztof A. Rybicki, Yossi Shvartzvald, Jennifer C. Yee +70
In the pursuit of understanding the population of stellar remnants within the Milky Way, we analyze the sample of microlensing events observed by the Spitzer Space Teles…