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Detection and characterisation of oscillating red giants: first results from the TESS satellite
Víctor Silva Aguirre, Dennis Stello, Amalie Stokholm +78
Since the onset of the `space revolution' of high-precision high-cadence photometry, asteroseismology has been demonstrated as a powerful tool for informing Galactic archaeology in…
Testing the radius scaling relation with DR2 in the field
Joel C. Zinn, Marc H. Pinsonneault, Daniel Huber +3
We compare radii based on parallaxes to asteroseismic scaling relation-based radii of dwarfs subgiants and first-ascent giants from the ${\…
Asteroseismology of the Multiplanet System K2-93
Mikkel N. Lund, Emil Knudstrup, Victor Silva Aguirre +14
We revisit the analysis of the bright multiplanet system K2-93, discovered with data taken by the K2 mission. This system contains five identified planets ranging in size from sub-…
TESS Reveals HD 118203 b to be a Transiting Planet
Joshua Pepper, Stephen R. Kane, Joseph E. Rodriguez +30
The exoplanet HD 118203 b, orbiting a bright (V = 8.05) host star, was discovered using the radial velocity method by da Silva et al. (2006), but was not previously known to transi…
Giant planet occurrence within 0.2 AU of low-luminosity red giant branch stars with K2
Samuel K. Grunblatt, Daniel Huber, Eric Gaidos +3
Every Sun-like star will eventually evolve into a red giant, a transition which can profoundly affect the evolution of a surrounding planetary system. The timescale of dynamical pl…
Robo-AO Kepler Asteroseismic Survey. II. Do Stellar Companions Inhibit Stellar Oscillations?
Jessica Schonhut-Stasik, Daniel Huber, Christoph Baranec +7
The Kepler space telescope observed over 15,000 stars for asteroseismic studies. Of these, 75% of dwarfs (and 8% of giants) were found to show anomalous behavior: such as suppresse…