巡天观测

该文简述了巡天观测和星表编制的历史和意义。

The history and significance of the sky survey and compiling catalogs are briefly described .

1990年6月发射的ROSAT卫星完成了全天的X射线巡天观测，得到了包括18811个X射线源的ROSAT全天巡天亮源表（RASS－BSC）。

All - sky X-ray survey has been completed by the ROSAT satellite launched in June 1990 , and the RoSAT All Sky Survey - Bright Sources Catalogue ( RASS - BSC ), which contains 18811 X - ray sources , is published .

阐述了X射线巡天观测数据从数据提取到时间转换的处理流程。

The X-ray surveying data processing flows from data selection to time transformation are expounded .

论述了LAMOST巡天观测战略系统（SSS）中观测策略的实现方法-选星算法问题。

Object-Selection-Algorithm ( OSA ) is the implementation of observation policy which is a key point of LAMOST Sky-scan Strategy System ( SSS ) .

在我们银河系里，长久以来从近红外光巡天观测中，便已怀疑有这根棒子存在。

In our galaxy , such a bar has been suspected from near-infrared surveys .

它的大口径和大视场使其具有很强的光谱巡天观测能力。

Its large diameter and large viewport give it strong capacity to spectrum sky surveys .

它采用准直器和非位置灵敏探测器，通过对空间辐射流强的准直调制，实现对空间硬X射线高灵敏度高角分辨率的巡天扫描成像观测。

Its objective is to achieve all sky scan survey of space hard X - rays and imaging X-ray sources with high sensitivity and high resolution based on collimator and Direct Demodulation Imaging Method .