Revisiting the Planet Mass and Stellar Metallicity Relation for Low-Mass Exoplanets Orbiting GKM Class Stars
收藏DataCite Commons2023-09-15 更新2025-04-16 收录
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https://dataverse.jpl.nasa.gov/citation?persistentId=doi:10.48577/jpl.LKKJAT
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Abstract: The growing database of exoplanets have shown us the statistical characteristics 10 of various exoplanet populations, providing insight towards their origins. Observational 11 evidence suggests that the process by which gas giants are conceived in the stellar disk 12 may be disparate from that of smaller planets. Using NASA’s Exoplanet Archive, we an- 13 alyzed relationships between planet mass and stellar metallicity as well as planet mass 14 and stellar mass for low-mass exoplanets (MP < 0.13 MJ) orbiting spectral class G, K, and 15 M stars. We performed further uncertainty analysis to confirm that the exponential law 16 relationships found between the planet mass, stellar mass and the stellar metallicity can- 17 not be fully explained by observation biases alone.
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2023-09-14
