Paper
Bolometric corrections of stellar oscillation mode amplitudes as observed by the PLATO mission. I. Planck-spectrum estimates
Authors
Mikkel N. Lund, Jérôme Ballot, William J. Chaplin
Abstract
We derive bolometric correction functions for oscillation mode amplitudes observed by the different cameras of the ESA PLATO mission. Such corrections between bolometric (full light) and mission instrument-specific amplitudes enable comparisons to theoretical expectations and amplitude conversion between different photometric missions, which is essential for proper detectability yields and target selection. Bolometric correction functions were calculated assuming a Planck function approximation for the stellar spectral flux distribution. The calculations follow the procedures applied in earlier analyses for the NASA Kepler and TESS missions. We derived power-law and polynomial parametrisations of the bolometric corrections with $T_{\rm eff}$. We find that on average, oscillation mode amplitudes from PLATO's normal cameras (N-CAMs) are expected to be ~6.7% lower compared to Kepler, and ~12.5% higher compared to TESS. A significant average amplitude ratio of ~25% is expected for amplitudes measured using the blue PLATO fast camera (F-CAM) compared to TESS. We find that observations of bright solar-like oscillators, especially with PLATO's F-CAMs, would provide an important test of the predicted corrections.
Metadata
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Raw Data (Debug)
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"raw_xml": "<entry>\n <id>http://arxiv.org/abs/2603.12750v1</id>\n <title>Bolometric corrections of stellar oscillation mode amplitudes as observed by the PLATO mission. I. Planck-spectrum estimates</title>\n <updated>2026-03-13T07:49:13Z</updated>\n <link href='https://arxiv.org/abs/2603.12750v1' rel='alternate' type='text/html'/>\n <link href='https://arxiv.org/pdf/2603.12750v1' rel='related' title='pdf' type='application/pdf'/>\n <summary>We derive bolometric correction functions for oscillation mode amplitudes observed by the different cameras of the ESA PLATO mission. Such corrections between bolometric (full light) and mission instrument-specific amplitudes enable comparisons to theoretical expectations and amplitude conversion between different photometric missions, which is essential for proper detectability yields and target selection.\n Bolometric correction functions were calculated assuming a Planck function approximation for the stellar spectral flux distribution. The calculations follow the procedures applied in earlier analyses for the NASA Kepler and TESS missions. We derived power-law and polynomial parametrisations of the bolometric corrections with $T_{\\rm eff}$.\n We find that on average, oscillation mode amplitudes from PLATO's normal cameras (N-CAMs) are expected to be ~6.7% lower compared to Kepler, and ~12.5% higher compared to TESS. A significant average amplitude ratio of ~25% is expected for amplitudes measured using the blue PLATO fast camera (F-CAM) compared to TESS. We find that observations of bright solar-like oscillators, especially with PLATO's F-CAMs, would provide an important test of the predicted corrections.</summary>\n <category scheme='http://arxiv.org/schemas/atom' term='astro-ph.SR'/>\n <category scheme='http://arxiv.org/schemas/atom' term='astro-ph.IM'/>\n <published>2026-03-13T07:49:13Z</published>\n <arxiv:comment>5 pages, 4 figures, accepted for publication in A&A</arxiv:comment>\n <arxiv:primary_category term='astro-ph.SR'/>\n <author>\n <name>Mikkel N. Lund</name>\n </author>\n <author>\n <name>Jérôme Ballot</name>\n </author>\n <author>\n <name>William J. Chaplin</name>\n </author>\n </entry>"
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