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Figure 2: NEID observations of the sun as a star. (Left) Simultaneous image of the sun showing quiescent phase. (Right) NEID radial velocity observations while still in the laboratory, showing excellent precision over short timescales. Analysis by PI, as part of NEID Pre-Ship Review.
Student work: The student will systematically classify the NEID solar spectra into regions that are sensitive and insensitive to magnetic activity. We will then further scrutinize the sensitive regions to understand the exact line profile perturbations caused by different kinds of activity. This will enable the development of a new kind of line-profile based activity indicators that we will define against canonical activity diagnostics such as the Ca H&K lines. Finally, the student will use this knowledge to improve the NEID radial velocity pipeline, and potentially write up lead/contribute to multiple publications along the way. The student will also have the opportunity to travel to Kitt Peak Observatory in Arizona to see NEID in operation and gain on-site experience, and to Pasadena to work closely with collaborators at Caltech and NASA JPL. Previous experience with exoplanets or spectroscopy is a bonus but not a prerequisite — however, a successful student will start the project with some fluency in Python.
