论文标题
在全球多共轭自适应光学视角中,用ELT进行深入观察
Deep observations with an ELT in the Global Multi Conjugated Adaptive Optics perspective
论文作者
论文摘要
对宇宙的深入观察通常是天空调查的一部分,是现代天文学的象征之一,因为它们可以允许大型合作,利用多个设施和共同的知识。新一代极大的望远镜将发挥关键作用,因为它们的角度分辨率以及它们在收集微弱来源的光线方面的能力。我们的仿真结合了技术,层合和观察性信息,以及全球 - 元素偶联物自适应光学(GMCAO)方法的好处,这是一种良好的证明方法,仅利用自然导向星来从大气湍流中纠正科学的视野。通过模拟Chandra Deep Field South区域中6000个高红移星系的K波段观测值,我们已经展示了ELT如何成功进行光度调查,从而恢复了形态和结构参数。在这里,我们在这里介绍了针对GMCAO的ELT在22个著名调查中的预期性能的广泛统计数据。
Deep observations of the Universe, usually as a part of sky surveys, are one of the symbols of the modern astronomy because they can allow big collaborations, exploiting multiple facilities and shared knowledge. The new generation of extremely large telescopes will play a key role because of their angular resolution and their capability in collecting the light of faint sources. Our simulations combine technical, tomographic and observational information, and benefit of the Global-Multi Conjugate Adaptive Optics (GMCAO) approach, a well demonstrated method that exploits only natural guide stars to correct the scientific field of view from the atmospheric turbulence. By simulating K-band observations of 6000 high redshift galaxies in the Chandra Deep Field South area, we have shown how an ELT can carry out photometric surveys successfully, recovering morphological and structural parameters. We present here a wide statistics of the expected performance of a GMCAO-equipped ELT in 22 well-known surveys in terms of SR.