Commit 2645d5b4 authored by Wang Xia's avatar Wang Xia
Browse files

Update algorithm.rst

parent 7b11dfd9
...@@ -23,9 +23,8 @@ Instrument correction ...@@ -23,9 +23,8 @@ Instrument correction
.. _DataModel: https://csst-tb.bao.ac.cn/code/csst-l1/csst-l1doc/-/blob/main/docs/source/sls/data_model.md .. _DataModel: https://csst-tb.bao.ac.cn/code/csst-l1/csst-l1doc/-/blob/main/docs/source/sls/data_model.md
CSST无缝光谱的1级数据产品是三个扩展的fits文件,扩展内容如下表所示: CSST无缝光谱的1级数据产品是三个扩展的fits文件,扩展内容如下表所示:
+-----------------+---------+-------------------+ +-----------------+---------+-------------------+
| Extension Name | bunit | comment | | Extension name | Bunit | Comment |
+=================+=========+===================+ +=================+=========+===================+
| SCI | e-/s | science image | | SCI | e-/s | science image |
+-----------------+---------+-------------------+ +-----------------+---------+-------------------+
...@@ -34,6 +33,9 @@ CSST无缝光谱的1级数据产品是三个扩展的fits文件,扩展内容 ...@@ -34,6 +33,9 @@ CSST无缝光谱的1级数据产品是三个扩展的fits文件,扩展内容
| DQ | unitless| data quality array| | DQ | unitless| data quality array|
+-----------------+---------+-------------------+ +-----------------+---------+-------------------+
第一个扩展(SCI)的数据单元存放着仪器效应改正后的光谱图像,第二扩展(ERR)的数据单元存放着光谱图像误差,第三个扩展(DQ)的数据单元存放着光谱图像每个像素的数据质量标志位,具体参见 DQFlags_。
.. _DQFlags: https://?
Position calibration Position calibration
--------------------- ---------------------
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