High precision transit light curve of HAT-P-1

HAT-P-1高精度传输光曲线

• 批准号: 162620512
• 负责人: Professor Dr. Stefan Dreizler
• 金额: --
• 依托单位: Institut für Astrophysik und Geophysik
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2009
• 资助国家: 德国
• 起止时间: 2008-12-31 至 无数据
• 项目状态: 未结题
• 来源: https://gepris.dfg.de/gepris/projekt/162620512?language=en
• 关键词: precision; transit; light; curve; HAT

In low-mass stars, the discrepancy between the empirical mass-radius relation from eclipsingbinaries and stellar models is an urgent problem, as it touches on our basic understandingof stellar physics. Observing a sample of bright eclipsing binaries with low-mass companions,obtained as by-product of the TrES-survey, offers the chance to improve the observationaldatabase significantly. We therefore propose to continue FOCES high resolutionspectroscopy to obtain radial velocity curves in order to determine reliable masses and radiifor several new low-mass stars. Special emphasis is placed on those systems with detectablespectroscopic features of the secondary.

在低质量恒星中，食双星的经验质量-半径关系与恒星模型之间的差异是一个迫切的问题，因为它涉及到我们对恒星物理的基本理解。观测一个明亮的食双星与低质量的同伴，作为副产品的TrES调查，提供了一个机会，以改善观测数据库显着。因此，我们建议继续FOCES高分辨率光谱，以获得径向速度曲线，以确定可靠的质量和radifor几个新的低质量恒星。特别强调的是那些系统与可检测的光谱特征的次级。