Photometric Limits on the High Resolution Imaging of Exoplanets Using the Solar Gravity Lens
We present an analysis of high-resolution imaging of an exoplanet by a meter-class telescope positioned at a real image of the exoplanet created by the solar gravity lens. We assume an exoplanet viewed in full phase and a simple deconvolution method to correct for the intrinsic blur caused by aberra...
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| description | We present an analysis of high-resolution imaging of an exoplanet by a meter-class telescope positioned at a real image of the exoplanet created by the solar gravity lens. We assume an exoplanet viewed in full phase and a simple deconvolution method to correct for the intrinsic blur caused by aberrations in the solar gravity lens, and account for the foreground light of the solar corona. We derive equations for the measurement times required for the telescope to produce such a high-resolution image, and find that due to shot noise considerations these times are large compared to human lifespans. We also discuss how measurement times could potentially be significantly shorter for exoplanets with special orbital and rotational parameters. |
| doi_str_mv | 10.48550/arxiv.2004.12907 |
| format | Article |
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| subjects | Extrasolar planets Gravitation High resolution Image resolution Lenses Physics - Earth and Planetary Astrophysics Physics - General Relativity and Quantum Cosmology Physics - Instrumentation and Methods for Astrophysics Physics - Solar and Stellar Astrophysics Shot noise Solar corona |
| title | Photometric Limits on the High Resolution Imaging of Exoplanets Using the Solar Gravity Lens |
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