论文标题
深层光学成像中的银河cirri
Galactic cirri in deep optical imaging
论文作者
论文摘要
银河系在深度的光学观察中的存在是外那层面社区已经面临的最具挑战性的问题之一，并且随着光学调查深度的增加，它在不久的将来会变得更加艰难。为了解决这个问题，我们使用G，R，I和Z SDSS频段在IAC Stripe82遗产调查中对银河CIRRI进行了光度表征。通过全面的图像处理技术，我们表明，在大多数情况下，CIRRI的颜色与乳清外源的颜色显着不同。这可能是一种有希望的方法，可以辨别出乳白色的灰尘外的特征。我们建议，大型天气调查望远镜产生的多波段和超深的光学光度法将非常有效地检测具有比远红外观测值的空间分辨率更高的银河粉尘。
The presence of Galactic cirri in deep optical observations is one of the most challenging problems that the extragalactic community is already facing, and it is expected to be even tougher in the near future with the increasing depth of optical surveys. To address this problem, we have performed a photometric characterization of Galactic cirri in the IAC Stripe82 Legacy Survey using g, r, i and z SDSS bands. Through comprehensive image processing techniques we show that, in most cases, the colors of the cirri differ significantly from the colors of extragalactic sources. This could be a promising way to discern extragalactic features from dust of the Milky-Way. We suggest that the use of multi-band and ultra-deep optical photometry produced by the Large Synoptic Survey Telescope will be very efficient in detecting the Galactic dust with a higher spatial resolution than those provided by far infrared observations.
