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首页> 外文期刊>Experimental astronomy >Atmospheric Characterization via Broadband Color Filters on the PLAnetary Transits and Oscillations of stars (PLATO) Mission
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Atmospheric Characterization via Broadband Color Filters on the PLAnetary Transits and Oscillations of stars (PLATO) Mission

机译：通过宽带滤色器在星际横档和横梁振动上的大气表征（柏拉图）任务

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摘要

We assess broadband color filters for the two fast cameras on the PLAnetary Transits and Oscillations of stars (PLATO) space mission with respect to exoplanetary atmospheric characterization. We focus on Ultra Hot Jupiters and Hot Jupiters placed 25pc and 100pc away from the Earth and warm Super-Earths placed 10pc and 25pc away. Our analysis takes as input literature values for the difference in transit depth between the broadband lower (500-675 nm) wavelength interval (hereafter referred to as" blue") and the upper (675-1125nm) broadband wavelength interval (hereafter referred to as" red") for transmission, occultation and phase curve analyses. Planets orbiting main sequence central stars with stellar classes F, G, K and M are investigated. We calculate the signal-to-noise ratio with respect to photon and instrument noise for detecting the difference in transit depth between the two spectral intervals. Results suggest that bulk atmospheric composition and planetary geometric albedos could be detected for (Ultra) Hot Jupiters up to similar to 100pc (similar to 25pc) with strong (moderate) Rayleigh extinction. Phase curve information could be extracted for Ultra Hot Jupiters orbiting K and G dwarf stars up to 25pc away. For warm Super-Earths, basic atmospheric types (primary and water-dominated) and the presence of sub-micron hazes in the upper atmosphere could be distinguished for up to a handful of cases up to similar to 10pc.
机译：我们对两种快速相机的宽带滤色器进行了宽带滤色器，在行星横向和恒星（柏拉图）空间任务方面的振动上的振动滤光片，关于外部气象表征。我们专注于超热的Jupiters和Hot Jupiters放置25pc和100pc，远离地球，温暖的超地放置10pc和25pc。我们的分析作为输入文献值作为输入文献值，用于宽带下（500-675nm）波长间隔（以下称为“蓝色”）和上部（675-1125nm）宽带波长间隔（以下称为“红色”）用于传输，掩星和相位曲线分析。调查了行星轨道主序列中心星恒星恒星F，G，K和M的中心星。我们计算相对于光子和仪器噪声的信噪比，用于检测两种光谱间隔之间的传输深度的差异。结果表明，可以检测散装大气组合物和行星几何铝玻璃，以便（Ultra）Hot Jupiters直至100pc（类似于25pc），具有强（中等）瑞利灭火。可以提取相曲线信息以用于超热的Jupiters，轨道k和g矮小恒星高达25pc。对于温暖的超地球，基本大气类型（初级和水占）和上层大气中的亚微米斑块的存在可以区分高达10pc的少量情况。

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  • 来源
    《Experimental astronomy》 |2020年第1期|共49页
  • 作者

    Grenfell John Lee; Godolt Mareike; Cabrera Juan; Carone Ludmila; Munoz Antonio Garcia; Kitzmann Daniel; Smith Alexis M. S.; Rauer Heike;

  • 作者单位

    Gennan Aerosp Ctr DLR Inst Planetary Res PF Dept Extrasolar Planets &

    Atmospheres EPA Rutherfordstr 2 D-12489 Berlin Germany;

    Berlin Inst Technol Tub Ctr Astron &

    Astrophys ZAA Hardenbergstr 36 D-10623 Berlin Germany;

    Gennan Aerosp Ctr DLR Inst Planetary Res PF Dept Extrasolar Planets &

    Atmospheres EPA Rutherfordstr 2 D-12489 Berlin Germany;

    Max Planck Inst Astron MPIA Konigstuhl 17 D-69117 Heidelberg Germany;

    Berlin Inst Technol Tub Ctr Astron &

    Astrophys ZAA Hardenbergstr 36 D-10623 Berlin Germany;

    Univ Bem Ctr Space &

    Habitabil CSH Gesell Str 6 CH-3012 Bern Switzerland;

    Gennan Aerosp Ctr DLR Inst Planetary Res PF Dept Extrasolar Planets &

    Atmospheres EPA Rutherfordstr 2 D-12489 Berlin Germany;

    Gennan Aerosp Ctr DLR Inst Planetary Res PF Dept Extrasolar Planets &

    Atmospheres EPA Rutherfordstr 2 D-12489 Berlin Germany;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 天文学;
  • 关键词

    PLATO; Color filters; Atmospheres; Composition; Haze; Albedo;

    机译：柏滤色器;滤色器;大气;组成;雾霾;反诉;

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