AstroSat/SSM data pipeline

The data pipeline at the Payload Operation Centre (POC) of the Scanning Sky Monitor (SSM) onboard AstroSat involves: (i) fetching the Level-0 data from the Indian Space Science Data Centre (ISSDC), (ii) Level-0 to Level-1 data processing followed by Level-2 data generation, and (iii) transfer of the...

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Bibliographic Details
Published in:Journal of astrophysics and astronomy 2021-10, Vol.42 (2), Article 56
Main Authors: Ravishankar, B. T., Vaishali, S., Bhattacharya, D., Ramadevi, M. C., Sarwade, Abhilash, Seetha, S.
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics and Astroparticles
AstroSat: Five Years in Orbit
Data centers
Data Pipeline
Data processing
Image processing
Light curve
Observations and Techniques
Physics
Physics and Astronomy
Pipelines
Space science
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Summary:The data pipeline at the Payload Operation Centre (POC) of the Scanning Sky Monitor (SSM) onboard AstroSat involves: (i) fetching the Level-0 data from the Indian Space Science Data Centre (ISSDC), (ii) Level-0 to Level-1 data processing followed by Level-2 data generation, and (iii) transfer of the Level-1 and Level-2 data back to ISSDC for dissemination of the re-packaged Level-2 data products. The major tasks involved in the generation of Level-1 and Level-2 data products are: (a) quality checks; time, alignment corrections, (b) temporal-HK plots generation, and, (c) image processing; light curve generation. The typical turn around time for this fully automated pipeline is about 25 min for one orbit data. In this paper, details of all the stages of this data pipeline are discussed.
ISSN:0250-6335
0973-7758
DOI:10.1007/s12036-021-09729-z