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The Dark Energy Spectroscopic Instrument (DESI) is a scientific research instrument for conducting spectrographic astronomical surveys of distant galaxies. Its main components are a focal plane containing 5,000 fiber-positioning robots, and a bank of spectrographs which are fed by the fibers.
The researchers used a year of observations by the Dark Energy Spectroscopic Instrument (DESI) at Kitt Peak National Observatory in Arizona, which can capture light from 5,000 galaxies simultaneously.
The Dark Energy Survey (DES) is an astronomical survey designed to constrain the properties of dark energy. It uses images taken in the near- ultraviolet , visible , and near- infrared to measure the expansion of the universe using Type Ia supernovae , baryon acoustic oscillations , the number of galaxy clusters , and weak gravitational lensing ...
This story was first published on Nov. 19, 2024. It was updated on Nov. 20, 2024 to correct the location of the telescope used by the Dark Energy Spectroscopic Instrument. It is southwest of Tucson, Arizona, not in Tucson. It also corrects the description of the instrument's three-dimensional map of the universe.
A major project started in the 2010s is the Dark Energy Spectroscopic Instrument (DESI) for the 4-meter Mayall telescope, for conducting spectrographic astronomical surveys of distant galaxies probing the expansion history of the universe and the mysterious physics of dark energy. [12] [13]
Called the Dark Energy Spectroscopic Instrument, it uses a telescope based in Tucson, Arizona to create a three-dimensional map of the universe’s 11-billion-year history to see how galaxies have clustered throughout time and across space. That gives scientists information about how the universe evolved, and where it might be heading.
An instrument designed to help understand dark energy, installation of the Dark Energy Spectroscopic Instrument (DESI) was completed in late 2019. [13] Very little is known about dark energy, the supposed pressure responsible for the accelerating expansion rate of the universe.
In 2019, she joined the Computational research division at the Lawrence Berkeley National Laboratory, [24] focusing on X-ray Astronomy [25] and the synergy between transient surveys and the Dark Energy Spectroscopic Instrument collaboration, where she served as the chair of the transients working group.