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The K2 Galactic Archaeology Program: Overview, target selection and survey properties
Sanjib Sharma, Dennis Stello, Joel C. Zinn +1
K2 was a community-driven NASA mission where all targets were proposed through guest observer programs. Among those, the K2 Galactic Archaeology Program (K2GAP) was devoted to meas…
Mass Matters: No Evidence for Ubiquitous Lithium Production in Low-Mass Clump Giants
Julio Chanamé, Marc H. Pinsonneault, Claudia Aguilera-Gómez +1
Known sources of lithium (Li) in the universe include the big bang, novae, asymptotic giant branch stars, and cosmic ray spallation. During their longer-lived evolutionary phases,…
A 'Quick Look' at All-Sky Galactic Archeology with TESS: 158,000 Oscillating Red Giants from the MIT Quick-Look Pipeline
Marc Hon, Daniel Huber, James S. Kuszlewicz +6
We present the first near all-sky yield of oscillating red giants from the prime mission data of NASA's Transiting Exoplanet Survey Satellite (TESS). We apply machine learning towa…
The K2 Galactic Archaeology Program Data Release 3: Age-abundance patterns in C1-C8 and C10-C18
Joel C. Zinn, Dennis Stello, Yvonne Elsworth +28
We present the third and final data release of the K2 Galactic Archaeology Program (K2 GAP) for Campaigns C1-C8 and C10-C18. We provide asteroseismic radius and mass coefficients,…
Searching For Transiting Planets Around Halo Stars. II. Constraining the Occurrence Rate of Hot Jupiters
Kiersten M. Boley, Ji Wang, Joel C. Zinn +4
Jovian planet formation has been shown to be strongly correlated with host star metallicity, which is thought to be a proxy for disk solids. Observationally, previous works have in…
Searching For Transiting Planets Around Halo Stars. I. Sample Selection and Validation
Jared R. Kolecki, Ji Wang, Jennifer A. Johnson +3
By measuring the elemental abundances of a star, we can gain insight into the composition of its initial gas cloud -- the formation site of the star and its planets. Planet formati…