The AGN - galaxy connection: utilising the power of large sky surveys

“超大质量黑洞现在被认为潜伏在大多数(如果不是全部)星系的中心，但目前仍不清楚这些黑洞是如何形成的，以及在宇宙历史上是什么驱动它们随后的增长。该项目将专注于识别不断增长的黑洞--被视为活动星系核(AGN；类星体和Seyferts等天体)--并将这些活动星系核的性质与它们所在的星系的性质联系起来。将使用最新的星系调查，纳入来自广泛设施的数据，如斯隆数字天空调查(SDSS)和即将到来的遗产时空调查(LSST)项目，以确定不同宇宙时期和不同演化状态的星系。然后将使用多波长数据集，包括来自欧空局的XMM-牛顿天文台和NASA的Swift和Chandra卫星的X射线测量数据，以及光学光谱、红外成像和射电数据，以确定这些星系中的活动星系核，并确定它们的性质(例如它们的光度、黑洞吸积率和遮蔽度)。将跟踪活动星系核活动的水平如何取决于星系属性(如质量、形态和恒星形成历史)，以提供对整个不断演变的星系群中推动和调节黑洞增长的过程的新见解。“

"Supermassive black holes are now thought to lurk at the centres of most, if not all, galaxies but it is still unclear how these black holes form and what drives their subsequent growth over the history of the Universe. This project will focus on identifying growing black holes - seen as Active Galactic Nuclei (AGN; objects such as quasars and Seyferts) - and connecting the properties of these AGN with the properties of the galaxies they lie in. Will use the latest galaxy surveys, incorporating data from a wide range of facilities such as the Sloan Digital Sky Survey (SDSS) and the upcoming Legacy Survey of Space and Time (LSST) project to identify galaxies at different cosmic epochs and in different evolutionary states. Will then use multiwavelength datasets including X-ray survey data from ESA's XMM-Newton observatory and NASA's SWIFT and Chandra satellites, together with optical spectroscopy, infrared imaging and radio data, to identify AGN within these galaxies and determine their properties (such as their luminosities, black hole accretion rates, and their level of obscuration). Will track how the levels of AGN activity depend on the galaxy properties (such as mass, morphology and star formation history) to provide new insights into the processes fuelling and regulating black hole growth across the evolving galaxy population. "