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Jiafeng
csst-l1doc
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bc334dc0
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bc334dc0
authored
Mar 06, 2023
by
Wang Xia
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Update algorithm.rst
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@@ -5,7 +5,7 @@ SLS pipeline
Instrument correction
---------------------
概述
Description
``````````````````
`csst_ms_sls_instrument` 程序包是应用于CSST无缝光谱模块的仪器效应改正程序,无缝光谱模块包含12块9k×9k探测器,每4块探测器对应1个波段,每个波段的部分仪器参数如下:
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``````````````````
`csst_ms_sls_instrument` 将从csst_common.CsstMsDataManager获取0级数据和参考文件。
1. 0级数据
是
包含一个扩展的fits文件,头文件中存放着观测天区、曝光信息、探测器信息等,具体关键字说明参见 DataModel_,扩展的数据单元存放着原始观测图像。
#. 参考文件
列表如下,第一列是参考文件类型,第二列是文件说明,第三列是数据产品中记录文件名的关键字:
+-----------------+----------------------------+
-----------------+
| Reference file | Description |
Keyword |
+=================+============================+
=================+
| Gain map | gain array(9k×9k) |
R_GAIN |
+-----------------+----------------------------+
-----------------+
| Superbias | superbias file(9k×9k) |
R_BIAS |
+-----------------+----------------------------+
-----------------+
| Superdark | superdark file(9k×9k) |
R_DARK |
+-----------------+----------------------------+
-----------------+
| Superflat | super flatfield file(9k×9k)|
R_DFLAT |
+-----------------+----------------------------+
-----------------+
| Badpixel table | Bad/hot Pixel table or map |
R_MASK |
+-----------------+----------------------------+
-----------------+
1. 0级数据
:
包含一个扩展的fits文件,头文件中存放着观测天区、曝光信息、探测器信息等,具体关键字说明参见 DataModel_,扩展的数据单元存放着原始观测图像。
#. 参考文件
: 仪器效应改正中所需的参考文件如下表所示。
+-----------------+----------------------------+
| Reference file | Description |
+=================+============================+
| Gain map | gain array(9k×9k) |
+-----------------+----------------------------+
| Superbias | superbias file(9k×9k) |
+-----------------+----------------------------+
| Superdark | superdark file(9k×9k) |
+-----------------+----------------------------+
| Superflat | super flatfield file(9k×9k)|
+-----------------+----------------------------+
| Badpixel table | Bad/hot Pixel table or map |
+-----------------+----------------------------+
.. _DataModel: https://csst-tb.bao.ac.cn/code/csst-l1/csst-l1doc/-/blob/main/docs/source/sls/data_model.md
数据产品
Output
``````````````````
`csst_ms_sls_instrument` 生成的数据产品是包含三个扩展的fits文件,扩展内容如下表所示:
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@@ -56,6 +56,11 @@ Input
.. _DQFlags: https://?
Data Calibration Steps
``````````````````
仪器效应改正包括以下步骤:
DQ Initialization
""""""""
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