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Browsing by Subject "Exoplanet formation"

Browsing by Subject "Exoplanet formation"

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  • Age Analysis of Extrasolar Planets: Insight from Stellar Isochrone Models 
    Swastik, C; Banyal, R. K; Narang, Mayank; Unni, Athira; Sivarani, T (American Astronomical Society, 2024-06-03)
    There is growing evidence from stellar kinematics and galactic chemical evolution suggesting that giant planets (MP 0.3MJ) are relatively young compared to the most commonly occurring population of small planets (MP < ...
  • Carbon Abundance of Stars in the LAMOST-Kepler Field 
    Athira Unni; Narang, Mayank; Sivarani, T; Puravankara, Manoj; Banyal, R. K; Surya, Arun; Rajaguru, S. P; Swastik, C (American Astronomical Society, 2022-11-01)
    The correlation between host star iron abundance and the exoplanet occurrence rate is well established and arrived at in several studies. Similar correlations may be present for the most abundant elements, such as carbon ...
  • Galactic Chemical Evolution of Exoplanet Hosting Stars: Are High-mass Planetary Systems Young? 
    Swastik, C; Banyal, R. K; Narang, Mayank; Manoj, P; Sivarani, T; Rajaguru, S. P; Athira Unni; Banerjee, Bihan (American Astronomical Society, 2022-08-01)
    The imprints of stellar nucleosynthesis and chemical evolution of the galaxy can be seen in different stellar populations, with older generation stars showing higher α-element abundances and the later generations ...

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