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Revisions to previous projects
As the old saying goes, everyone makes mistakes, but to correct them is the greatest good. The more projects one undertakes, the more likely mistakes may arise—it is, after all, a matter of probability. Whenever I identify an error, I take active steps to correct it. Therefore, I have created this dedicated channel to acknowledge and rectify mistakes in papers where I served as the first or corresponding author. Some of these corrections will also be formally published as Errata in the respective journals.
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SiTian imagE Procesessing (STEP) System
As a next-generation time-domain survey, several key challenges must be overcome to realize its ambitious scientific goals.
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CMOS data Processing: To enhance survey speed and reduce costs, SiTian adopted CMOS detectors instead of CCDs. While CMOS offers a low-power, cost-effective alternative and has nearly matched the performance of CCDs, as described in Alarcon et al. 2023, it still faces limitations, such as the roll shutter's unsuitability for ultra-fast exposures and the "pepper & salt" (PS) effect at the pixel level. Once the advantages of CMOS in time-domain surveys are validated, it is poised to become a powerful tool, significantly reducing project costs and advancing modern astronomy.
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Real-time Processing:
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Big data management and storage:
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