Scaling K2. V. Statistical Validation of 60 New Exoplanets From K2 Campaigns 2-18
Jessie L. Christiansen, Sakhee Bhure, Jon K. Zink, Kevin K., Hardegree-Ullman, Britt Duffy Adkins, Christina Hedges, Timothy D. Morton,, Allyson Bieryla, David R. Ciardi, William D. Cochran, Courtney D. Dressing,, Mark E. Everett, Howard Isaacson, John H. Livingston

TL;DR
This paper reports the statistical validation of 60 new exoplanets discovered by the K2 mission, highlighting their potential for further atmospheric characterization and noting systems with unique orbital configurations.
Contribution
It presents a comprehensive validation of 60 new exoplanets from K2 data, including detailed analysis and identification of promising targets for future study.
Findings
Validated 60 new exoplanets in 46 systems.
Identified planets suitable for transmission and emission spectroscopy.
Discovered systems with planets in mean motion resonances.
Abstract
The NASA K2 mission, salvaged from the hardware failures of the Kepler telescope, has continued Kepler's planet-hunting success. It has revealed nearly 500 transiting planets around the ecliptic plane, many of which are the subject of further study, and over 1000 additional candidates. Here we present the results of an ongoing project to follow-up and statistically validate new K2 planets, in particular to identify promising new targets for further characterization. By analyzing the reconnaissance spectra, high-resolution imaging, centroid variations, and statistical likelihood of the signals of 91 candidates, we validate 60 new planets in 46 systems. These include: a number of planets amenable to transmission spectroscopy (K2-384 f, K2-387 b, K2-390 b, K2-403 b, and K2-398 c), emission spectroscopy (K2-371 b, K2-370 b, and K2-399 b), and both (K2-405 b and K2-406 b); several systems…
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