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17229

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DataCite Commons2023-04-21 更新2025-04-15 收录
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http://esdcdoi.esac.esa.int/doi/html/data/astronomy/hst/17229.html
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Recently it was discovered that the change in home position of the OSM1 mechanism to G130M-1222 was causing systematically low dispersion direction placements of the G130M-1291 mode spectrum on the detector comma causing additional gain sag holes due to geocoronal Lyman alpha. After investigation comma this behavior comma as well as a systematic trend in higher dispersion direction spectrum placement for G130M-1222 FP-POS=2 comma 4 resulted in the decision to change home positions. Since the behavior observed is correlated with home position comma this program was designed to monitor the switch to a) verify that these behaviors are mitigated and b) if not mitigated comma clearly understand what is causing the trends-issues.
提供机构:
European Space Agency
创建时间:
2023-04-21
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