SB
Sarah Ballard
astro-ph.EPastro-ph.SRastro-ph.GAastro-ph.IMastro-phexoplanetsM dwarforbital eccentricitiesplanetary dynamicstransit
On Valency
published · living versionsW_9evfarev·v1 · currentpublished
Masses, Radii, and Orbits of Small Kepler Planets: The Transition from Gaseous to Rocky Planets
with Geoffrey W. Marcy, Howard Isaacson, Andrew W. Howard, Jason F. Rowe +98
1 version
W_5etyj4v8·v1published
W_kb3x8n5g·v1published
Preprints & journals
48 papers in the corpus · 2008–2026Data-Driven Ages from Asteroseismology for FGK Dwarfs2610.28345v1 · Christopher Lam, Aida Behmard, Sarah Ballard et al.2026 · 0 citationsarXivon Valency
The Orbital Eccentricities of Planets in the Kinematic Thin and Thick Galactic Disks2509.23973v1 · Sheila Sagear, Sarah Ballard, Kathryne J. Daniel et al.2025 · 0 citationsarXiv
An Increase in the Galactic Planet Host Fraction Fails to Reproduce the Galactic Height Trend in Planet Occurrence2507.21250v2 · Christopher Lam, Sarah Ballard, Sheila Sagear et al.2025 · 0 citationsarXiv
Updated Masses for the Gas Giants in the Eight-Planet Kepler-90 System Via Transit-Timing Variation and Radial Velocity Observations2507.13588v1 · David E. Shaw, Lauren M. Weiss, Eric Agol et al.2025 · 4 citationsarXiv
The Orbital Eccentricity-Radius Relation for Planets Orbiting M Dwarfs2507.07169v1 · Sheila Sagear, Sarah Ballard, Gregory J. Gilbert et al.2025 · 2 citationsarXiv
Evidence that Planets in the Radius Gap Do Not Resemble Their Neighbors2410.02150v2 · Quadry Chance, Sarah Ballard2024 · 1 citationarXiv
Tuning the Rate of Tightly Packed Systems To Produce Planet Occurrence Trends with Galactic Height2409.10485v1 · Sarah Ballard2024 · 1 citationarXiv
gaspery: Optimized Scheduling of Radial Velocity Follow-Up Observations for Active Host Stars2408.16830v1 · Christopher Lam, Megan Bedell, Lily L. Zhao et al.2024 · 4 citationsarXiv
HD 21520 b: a warm sub-Neptune transiting a bright G dwarf2406.09595v1 · Molly Nies, Ismael Mireles, Francois Bouchy et al.2024 · 3 citationsarXiv
Ages of "singles" versus "multis": Predictions for dynamical sculpting over Gyr in the Kepler Sample2403.18903v1 · Christopher Lam, Sarah Ballard2024 · 3 citationsarXiv
zoomies: A tool to infer stellar age from vertical action in Gaia data2403.09878v2 · Sheila Sagear, Adrian M. Price-Whelan, Sarah Ballard et al.2024 · 5 citationsSheila Sagear et al. 2024, ApJ, 977, 49
Quantifying the Effect of Short-timescale Stellar Activity Upon Transit Detection in M Dwarfs2402.00115v1 · Dana Clarice Yaptangco, Sarah Ballard, Jason Dittmann2024 · 2 citationsarXiv
Variations in the Radius Distribution of Single- and Compact Multiple-transiting Planets2312.05809v2 · Benjamin T. Liberles, Jason A. Dittmann, Stephen M. Elardo et al.2023 · 1 citationAJ 168 92 (2024)
Plausibility of Capture into High-Obliquity States for Exoplanets in the M Dwarf Habitable Zone2310.02332v2 · Natalia M. Guerrero, Sarah A. Ballard, Yubo Su2023 · 4 citationsVolume 975, Issue 2, id.256, 13 pp. (2024)
A Comparison of the Composition of Planets in Single- and Multi-Planet Systems Orbiting M dwarfs2307.13034v1 · Romy Rodr'iguez Mart'inez, David V. Martin, B. Scott Gaudi et al.2023 · 0 citationsarXiv
The orbital eccentricity distribution of planets orbiting M dwarfs.37252955 · Sagear, Sheila, Ballard, Sarah2023 · 28 citationsProceedings of the National Academy of Sciences of the United States of America. 2023;120(23):e2217398120
Spinning up a Daze: TESS Uncovers a Hot Jupiter orbiting the Rapid-Rotator TOI-7782212.08242v2 · Jake Clark, Brett Addison, Jack Okumura et al.2022 · 10 citationsAJ 165 207 (2023)
Hazy with a chance of star spots: constraining the atmosphere of the young planet, K2-33b2211.07728v1 · Pa Chia Thao, Andrew W. Mann, Peter Gao et al.2022 · 14 citationsarXiv
A sub-Neptune transiting the young field star HD 18599 at 40 pc2210.08179v1 · Jerome P. de Leon, John H. Livingston, James S. Jenkins et al.2022 · 3 citationsarXiv
A dense mini-Neptune orbiting the bright young star HD 185992210.07945v1 · Jose I. Vines, James S. Jenkins, Zaira Berdinas et al.2022 · 13 citationsarXiv
Constraints on Evolutionary Timescales for M Dwarf Planets from Dynamical Stability Arguments2210.08018v2 · Katie Teixeira, Sarah Ballard2022 · 3 citationsApJ 953 50 (2023)
Signatures of impact-driven atmospheric loss in large ensembles of exoplanets2208.05989v2 · Quadry Chance, Sarah Ballard, Keivan Stassun2022 · 14 citationsarXiv
paired: A Statistical Framework for Detecting Stellar Binarity with Gaia RVs. I. Sensitivity to Unresolved Binaries2206.11275v2 · Quadry Chance, Daniel Foreman-Mackey, Sarah Ballard et al.2022 · 4 citationsApJ 992 131 (2025)
HD 83443c: A highly eccentric giant planet on a 22-year orbit2204.05711v1 · Adriana Errico, Robert A. Wittenmyer, Jonathan Horner et al.2022 · 9 citationsarXiv
TOI 560 : Two Transiting Planets Orbiting a K Dwarf Validated with iSHELL, PFS and HIRES RVs2112.13448v4 · Mohammed El Mufti, Peter P. Plavchan, Howard Isaacson et al.2021 · 6 citationsarXiv
HD 183579b: A Warm Sub-Neptune Transiting a Solar Twin Detected by TESS2107.14015v1 · Tianjun Gan, Megan Bedell, Sharon Xuesong Wang et al.2021 · 8 citationsarXiv
The TESS Objects of Interest Catalog from the TESS Prime Mission2103.12538v2 · Natalia M. Guerrero, S. Seager, Chelsea X. Huang et al.2021 · 413 citationsarXiv
Higher Compact Multiple Occurrence Around Metal-Poor M-Dwarfs and Late K-Dwarfs2102.08839v1 · Sophie G. Anderson, Jason A. Dittmann, Sarah Ballard et al.2021 · 18 citationsarXiv
AU Mic b is the Youngest Planet to have a Spin-Orbit Alignment Measurement2006.13675v2 · Brett C. Addison, Jonathan Horner, Robert A. Wittenmyer et al.2020 · 33 citationsarXiv
Characterization of Low Mass K2 Planet Hosts Using Near-Infrared Spectroscopy1808.03652v1 · Romy Rodr'iguez Mart'inez, Sarah Ballard, Andrew Mayo et al.2018 · 5 citationsarXiv
A Framework for Prioritizing the TESS Planetary Candidates Most Amenable to Atmospheric Characterization1805.03671v2 · Eliza M.-R. Kempton, Jacob L. Bean, Dana R. Louie et al.2018 · 590 citationsarXiv
Temperate super-Earths/mini-Neptunes around M/K dwarfs Consist of 2 Populations Distinguished by Their Atmospheres1804.00071v1 · Xueying Guo, Sarah Ballard, Diana Dragomir et al.2018 · 3 citationsarXiv
Predicted Number, Multiplicity, and Orbital Dynamics of TESS M Dwarf Exoplanets1801.04949v1 · Sarah Ballard2018 · 71 citationsarXiv
The Science Case for an Extended Spitzer Mission1710.04194v1 · Jennifer C. Yee, Giovanni G. Fazio, Robert Benjamin et al.2017 · 2 citationsarXiv
The Habitability of Planets Orbiting M-dwarf Stars1610.05765v3 · Aomawa L. Shields, Sarah Ballard, John Asher Johnson2016 · 365 citationsarXiv
The Kepler Dichotomy in Planetary Disks: Linking Kepler Observables to Simulations of Late-Stage Planet Formation1512.03445v1 · John Moriarty, Sarah Ballard2015 · 80 citationsarXiv
Low False-Positive Rate of Kepler Candidates Estimated From A Combination Of Spitzer And Follow-Up Observations1503.03173v1 · Jean-Michel D'esert, David Charbonneau, Guillermo Torres et al.2015 · 77 citationsarXiv
Validation of Twelve Small Kepler Transiting Planets in the Habitable Zone1501.01101v2 · Guillermo Torres, David M. Kipping, Francois Fressin et al.2015 · 139 citationsarXiv
Masses, Radii, and Orbits of Small Kepler Planets: The Transition from Gaseous to Rocky Planets1401.4195v1 · Geoffrey W. Marcy, Howard Isaacson, Andrew W. Howard et al.2014 · 489 citationsGeoffrey W. Marcy et al. 2014 ApJS 210 20on Valency
Exoplanet Characterization by Proxy: a Transiting 2.15 R_Earth Planet Near the Habitable Zone of the Late K dwarf Kepler-611304.6726v1 · Sarah Ballard, David Charbonneau, Francois Fressin et al.2013 · 35 citationsarXiv
Two Earth-sized planets orbiting Kepler-20.22186831 · Fressin, Francois, Torres, Guillermo, Rowe, Jason F et al.2012 · 183 citationsNature. 2011;482(7384):195-8
Kepler-22b: A 2.4 Earth-radius Planet in the Habitable Zone of a Sun-like Star1112.1640v1 · William J. Borucki, David G. Koch, Natalie Batalha et al.2011 · 241 citationsarXivon Valency
The Kepler-19 System: A Transiting 2.2 R_Earth Planet and a Second Planet Detected via Transit Timing Variations1109.1561v1 · Sarah Ballard, Daniel Fabrycky, Francois Fressin et al.2011 · 140 citationsarXiv
The hot-Jupiter Kepler-17b: discovery, obliquity from stroboscopic starspots, and atmospheric characterization1107.5750v2 · Jean-Michel D'esert, David Charbonneau, Brice-Olivier Demory et al.2011 · 196 citationsarXiv
A Search for Additional Planets in Five of the Exoplanetary Systems Studied by the NASA EPOXI Mission1103.0010v1 · Sarah Ballard, Jessie L. Christiansen, David Charbonneau et al.2011 · 32 citationsarXiv
System parameters, transit times and secondary eclipse constraints of the exoplanet systems HAT-P-4, TrES-2, TrES-3 and WASP-3 from the NASA EPOXI Mission of Opportunity1011.2229v1 · Jessie L. Christiansen, Sarah Ballard, David Charbonneau et al.2010 · 76 citationsarXiv
Studying the atmosphere of the exoplanet HAT-P-7b via secondary eclipse measurements with EPOXI, Spitzer and Kepler0912.2132v1 · Jessie L. Christiansen, Sarah Ballard, David Charbonneau et al.2009 · 118 citationsAstrophys.J.710:97-104,2010
The NASA EPOXI mission of opportunity to gather ultraprecise photometry of known transiting exoplanets0807.2852v1 · Jessie L. Christiansen, David Charbonneau, Michael F. A'Hearn et al.2008 · 3 citationsarXiv
Career total: at least 118 works. 48 are in this corpus.
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