Spectroscopic surface brightness fluctuations: pilot study in M31

观测活动是一项试点研究，旨在进一步发展用于确定星系距离的表面亮度波动方法，以对附近星系中边缘分辨或未分辨恒星群进行光谱研究。观测将使用积分场分光光度计PMAS进行，它具有3D光谱模式，以及直接成像仪，这是世界上独一无二的仪器。旅行补助金申请给观察员Martin Roth博士和Hardy Drube教授，他们将在2012年9月21日至25日进行Calar Alto观测，为期5晚。除了正常的夜间观测外，还需要两天的准备和完成。PMAS观测需要两名观测员在场，以保证仪器的适当和有效操作，并进行在线数据简化和可视化，没有这些，方案的成功和望远镜时间的充分利用将成为问题。

The observing campain is a pilot study, intended to further develop the method of Surface Brightness Fluctuations for distance determinations of galaxies towards spectroscopic investigations of marginally resolved or unresolved stellar populations in nearby galaxies. Observations will be conducted with the integral field spectrophotometer PMAS, which has a mode for 3D spectroscopy, as well as a direct imager, and which is a unique instrument world-wide.The travel grant is requested for observers Prof. Dr. Martin Roth and Hardy Drube, who shall conduct the Calar Alto observing run, which has been granted for 5 nights, dating September 21 - 25, 2012. In addition to the observing nights proper, two more days for preparation and completion after the run are necessary.PMAS observations require the presence of two observers in order to guarantee the appropriate and efficient operation of the instrument, as well as performing online data reduction and visualization, without which the success of the programme and adequate use of telescope time would be in question.