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Related papers: Planetary Edge Trends (PET). I. The Inner Edge-Ste…

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Recent works have found evidence of significant intrasystem uniformity in planet properties such as radius, mass, and orbital spacing, collectively termed 'peas in a pod' trends. In particular, correlations in radius and mass have been…

Earth and Planetary Astrophysics · Physics 2025-06-06 E. Mamonova , Y. Shan , P. Hatalova , S. C. Werner

We present a correlation between the stellar metallicities and the mutual inclinations of multi-planet systems hosting short-period small planets (a/Rs<12, Rp<4Re). We analyzed 89 multi-planet systems discovered by Kepler, K2, and TESS,…

Earth and Planetary Astrophysics · Physics 2025-02-05 Xinyan Hua , Sharon Xuesong Wang , Dongsheng An , Songhu Wang , Yang Huang , Dichang Chen , Johannes Buchner , Wei Zhu , Fei Dai , Jiwei Xie

Inner bars are frequent structures in the local Universe and thought to substantially influence the nuclear regions of disc galaxies. In this study we explore the structure and dynamics of inner bars by deriving maps and radial profiles of…

We hypothesise that dust rings in protoplanetary discs formed by an embedded planet should have properties that reflect the planet's mass. We use 2D hydrodynamical simulations of planet-disc interactions to investigate this, focusing on…

Earth and Planetary Astrophysics · Physics 2026-05-28 Amena Faruqi , Jessica Speedie , Ralph E. Pudritz , Farzana Meru

The number of known planets around intermediate-mass stars (1.5 M$_{\odot}$ < M$_{\star}$ < 3.5 M$_{\odot}$) is rather low. We aim to test whether the correlation between the metallicity of the star and the presence of gas-giant planets…

Solar and Stellar Astrophysics · Physics 2025-04-29 J. Maldonado , G. M. Mirouh , I. Mendigutía , B. Montesinos , J. L. Gragera-Más , E. Villaver

Previous studies using Kepler data suggest that planets orbiting the same star tend to have similar sizes. However, due to the faintness of the stars, only a few of the planets were also detected with radial velocity follow-ups, and…

Earth and Planetary Astrophysics · Physics 2022-02-09 J. F. Otegi , R. Helled , F. Bouchy

The formation and evolution of planetary systems are linked to their host stellar environment. In this study, we employ a pebble accretion-based planet population synthesis model to explore the correlation between planetary properties and…

Earth and Planetary Astrophysics · Physics 2025-04-02 Mengrui Pan , Beibei Liu , Linjie Jiang , Jiwei Xie , Wei Zhu , Ignasi Ribas

The inner edge of the dead zone in protoplanetary disks has been shown to periodically go unstable, leading to accretion outbursts and annular substructure within the dead zone. While dust opacities play a key role in this process, the…

Earth and Planetary Astrophysics · Physics 2026-04-21 Alexandros Ziampras , Tilman Birnstiel , Nicolas Kaufmann , Michael Cecil , Thomas Pfeil

We investigate the relationship between stellar mass, metallicity and gas content for a magnitude- and volume-limited sample of 260 nearby late-type galaxies in different environments, from isolated galaxies to Virgo cluster members. We…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 T. M. Hughes , L. Cortese , A. Boselli , G. Gavazzi , J. I. Davies

We investigate a population of transiting planets that receive relatively modest stellar insolation, indicating equilibrium temperatures $< 1000$ K, and for which the heating mechanism that inflates hot Jupiters does not appear to be…

Earth and Planetary Astrophysics · Physics 2015-05-28 Neil Miller , Jonathan J. Fortney

The formation of multiple close-in low-mass exoplanets is still a mystery. The challenge is to build a system wherein the outermost planet is beyond 0.2 AU from the star. Here we investigate how the prescription for type I planet migration…

Earth and Planetary Astrophysics · Physics 2018-09-05 R. Brasser , S. Matsumura , T. Muto , S. Ida

Using data from the California-Kepler-Survey (CKS) we study trends in planetary properties with host star metallicity for close-in planets. By incorporating knowledge of the properties of the planetary radius gap identified by the CKS…

Earth and Planetary Astrophysics · Physics 2018-08-01 James E. Owen , Ruth Murray-Clay

We find that the initial dust masses in planetary debris disks are correlated with the metallicities of their central stars. We compiled a large sample of systems, including Spitzer, the Herschel DUNES and DEBRIS surveys, and WISE debris…

Solar and Stellar Astrophysics · Physics 2016-08-17 Andras Gaspar , George H. Rieke , Nicholas Ballering

Recent studies have shown that the radii and masses of adjacent planets within a planetary system are correlated. It is unknown how this 'peas-in-a-pod' phenomenon originates, whether it is in place at birth or requires evolution, and…

Earth and Planetary Astrophysics · Physics 2021-04-14 Mélanie Chevance , J. M. Diederik Kruijssen , Steven N. Longmore

In earlier papers in this series we determined the intrinsic stellar disc kinematics of fifteen intermediate to late type edge-on spiral galaxies using a dynamical modeling technique. From the photometry we find that intrinsically more…

Astrophysics · Physics 2009-11-10 M. Kregel , P. C. van der Kruit , K. C. Freeman

(abridged) Search for planets around main-sequence (MS) stars more massive than the Sun is hindered by their hot and rapidly spinning atmospheres. This obstacle has been sidestepped by radial-velocity surveys of those stars on their post-MS…

Astrophysics · Physics 2009-11-13 S. -L. Li , D. N. C. Lin , X. -W. Liu

We analyze high quality abundances data of solar neighborhood stars and show that there are two distinct regimes of [alpha/Fe] versus age which we identify as the epochs of the thick and thin disk formation. A tight correlation between…

Astrophysics of Galaxies · Physics 2015-06-16 M. Haywood , P. Di Matteo , M. Lehnert , D. Katz , A. Gomez

We explore in situ formation and subsequent evolution of close-in super-Earths and mini-Neptunes. We adopt a steady-state inner protoplanetary gas disc structure that arises from viscous accretion due to the magneto-rotational instability…

Solar and Stellar Astrophysics · Physics 2019-01-16 Marija R. Jankovic , James E. Owen , Subhanjoy Mohanty

Interplanetary dust in the inner solar system originates from multiple sources, including short-period comets and main-belt asteroids. In this work, we focus specifically on the dynamical evolution of asteroid-derived dust using N-body…

Earth and Planetary Astrophysics · Physics 2026-05-13 Aanchal Sahu , Jayesh Pabari

We have used a large sample of low-inclination spiral galaxies with radially-resolved optical and near-infrared photometry to investigate trends in star formation history with radius as a function of galaxy structural parameters. A maximum…

Astrophysics · Physics 2009-05-29 Eric F. Bell , Roelof S. de Jong
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