Publications by authors named "J KAMENETZKY"
Article Synopsis
- Present-day massive early-type galaxies likely formed their stellar mass and elements from intense starburst events in early dark-matter haloes.
- Recent studies suggest that previously measured redshift distributions of dusty starbursts may be biased low, but new observations have identified a massive starburst galaxy at a redshift of z = 6.34.
- This galaxy contains a vast amount of excited interstellar material and is converting gas into stars at a rate over 2,000 times greater than that of our Milky Way, indicating that intense star formation was possible just 880 million years post-Big Bang.
Gravitational lensing is a powerful astrophysical and cosmological probe and is particularly valuable at submillimeter wavelengths for the study of the statistical and individual properties of dusty star-forming galaxies. However, the identification of gravitational lenses is often time-intensive, involving the sifting of large volumes of imaging or spectroscopic data to find few candidates. We used early data from the Herschel Astrophysical Terahertz Large Area Survey to demonstrate that wide-area submillimeter surveys can simply and easily detect strong gravitational lensing events, with close to 100% efficiency.
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