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17 papers · 1 filter
The Circumbinary Disk of HD 34700A: I. CO gas kinematics indicate spirals, infall, and vortex motions
J. Stadler, M. Benisty, F. Zagaria +9
We present the first high-resolution ( 0.14") Atacama Large Millimeter/submillimeter Array (ALMA) Band 6 dust continuum and CO molecular line emission observations of the qua…
gaspery: Optimized Scheduling of Radial Velocity Follow-Up Observations for Active Host Stars
Christopher Lam, Megan Bedell, Lily L. Zhao +2
Radial velocity (RV) follow-up is a critical complement of transiting exoplanet surveys like the Transiting Exoplanet Survey Satellite (TESS ), both for validating discoveries of e…
EXPRES IV: Two Additional Planets Orbiting Coronae Borealis Reveal Uncommon System Architecture
John M. Brewer, Lily L. Zhao, Debra A. Fischer +7
Thousands of exoplanet detections have been made over the last twenty-five years using Doppler observations, transit photometry, direct imaging, and astrometry. Each of these metho…
Light Curves and Colors of the Ejecta from Dimorphos after the DART Impact
Ariel Graykowski, Ryan A. Lambert, Franck Marchis +41
On 26 September 2022 the Double Asteroid Redirection Test (DART) spacecraft impacted Dimorphos, a satellite of the asteroid 65803 Didymos. Because it is a binary system, it is poss…
Measured Spin-Orbit Alignment of Ultra-Short Period Super-Earth 55 Cancri e
Lily L. Zhao, Vedad Kunovac, John M. Brewer +8
A planet's orbital alignment places important constraints on how a planet formed and consequently evolved. The dominant formation pathway of ultra-short period planets ( day)…
A Concise Treatise on Converting Stellar Mass Fractions to Abundances to Molar Ratios
Natalie R. Hinkel, Patrick A. Young, Caleb H. Wheeler
Understanding stellar composition is fundamental not only to our comprehension of the galaxy, especially chemical evolution, but it can also shed light on the interior structure an…