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Xiong Yifei
csst-l1doc
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2645d5b4
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2645d5b4
authored
Mar 06, 2023
by
Wang Xia
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Update algorithm.rst
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@@ -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
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
N
ame |
b
unit |
c
omment |
| Extension
n
ame |
B
unit |
C
omment |
+=================+=========+===================+
| SCI | e-/s | science image |
+-----------------+---------+-------------------+
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@@ -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|
+-----------------+---------+-------------------+
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
---------------------
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