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The GALAH Survey: Improving our understanding of confirmed and candidate planetary systems with large stellar surveys
Jake T. Clark, Duncan J. Wright, Robert A. Wittenmyer +24
Pioneering photometric, astrometric, and spectroscopic surveys are helping exoplanetary scientists better constrain the fundamental properties of stars within our galaxy, and the p…
Constraining the Rotation Profile in a Low-Luminosity Subgiant with a Surface Rotation Measurement
T. Wilson, A. R. Casey, I. Mandel +3
Rotationally-induced mode splitting frequencies of low-luminosity subgiants suggest that angular momentum transport mechanisms are 1-2 orders of magnitude more efficient in these s…
The impact of metallicity on nova populations
Alex J. Kemp, Amanda I. Karakas, Andrew R. Casey +2
The metallicity of a star affects its evolution in a variety of ways, changing stellar radii, luminosities, lifetimes, and remnant properties. In this work, we use the population s…
The impact of the COVID-19 pandemic on academic productivity
Andrew R. Casey, Ilya Mandel, Prasun K. Ray
'Publish or perish' is an expression describing the pressure on academics to consistently publish research to ensure a successful career in academia. With a global pandemic that ha…
The homogeneity of the star forming environment of the Milky Way disk over time
Melissa K. Ness, Adam J. Wheeler, Kevin McKinnon +4
Stellar abundances and ages afford the means to link chemical enrichment to galactic formation. In the Milky Way, individual element abundances show tight correlations with age, wh…
Signature of a massive rotating metal-poor star imprinted in the Phoenix stellar stream
Andrew R. Casey, Alexander P. Ji, Terese T. Hansen +13
The Phoenix stellar stream has a low intrinsic dispersion in velocity and metallicity that implies the progenitor was probably a low mass globular cluster. In this work we use Mage…