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Photometry of exoplanetary transits at Osservatorio Polifunzionale del Chianti
Experimental Astronomy ( IF 3 ) Pub Date : 2020-08-31 , DOI: 10.1007/s10686-020-09669-6 L. Naponiello , L. Betti , A. Biagini , M. Focardi , E. Papini , R. Stanga , D. Trisciani , M. Agostini , V. Noce , L. Fini , E. Pace
Experimental Astronomy ( IF 3 ) Pub Date : 2020-08-31 , DOI: 10.1007/s10686-020-09669-6 L. Naponiello , L. Betti , A. Biagini , M. Focardi , E. Papini , R. Stanga , D. Trisciani , M. Agostini , V. Noce , L. Fini , E. Pace
In this paper we report the observations of HD189733b, Kepler-41b, Kepler-42b, GJ 436b, WASP-77ab, HAT-P-32b and EPIC 211818569 as measured at the Osservatorio Polifunzionale del Chianti, a new astro-nomical site in Italy. Commissioning observing runs have been done in order to test capabilities, systematics and limits of the system and to improve its accuracy. For this purpose, a software algorithm has been developed to estimate the differential photometric error of any transit observation, so that the integration time can be chosen to reach optimal signal-to-noise ratios, and to obtain a picture of what kind of transits this setup can reveal. Currently, the system is able to reach an accuracy of about 1 mmag and so it is ready for the much needed exoplanetary transit follow-up.
中文翻译:
Osservatorio Polifunzionale del Chianti 系外行星凌日的光度测量
在本文中,我们报告了在意大利新天文台 Osservatorio Polifunzionale del Chianti 测量的 HD189733b、Kepler-41b、Kepler-42b、GJ 436b、WASP-77ab、HAT-P-32b 和 EPIC 211818569 的观测结果. 已完成调试观测运行,以测试系统的能力、系统性和极限并提高其准确性。为此,开发了一种软件算法来估计任何凌日观测的微分光度误差,以便可以选择积分时间以达到最佳信噪比,并获得什么样的凌日图像设置可以显示。目前,该系统能够达到约 1 mmag 的精度,因此可以为急需的系外行星凌日后续行动做好准备。
更新日期:2020-08-31
中文翻译:
Osservatorio Polifunzionale del Chianti 系外行星凌日的光度测量
在本文中,我们报告了在意大利新天文台 Osservatorio Polifunzionale del Chianti 测量的 HD189733b、Kepler-41b、Kepler-42b、GJ 436b、WASP-77ab、HAT-P-32b 和 EPIC 211818569 的观测结果. 已完成调试观测运行,以测试系统的能力、系统性和极限并提高其准确性。为此,开发了一种软件算法来估计任何凌日观测的微分光度误差,以便可以选择积分时间以达到最佳信噪比,并获得什么样的凌日图像设置可以显示。目前,该系统能够达到约 1 mmag 的精度,因此可以为急需的系外行星凌日后续行动做好准备。