| 3C279-20210503-S001-R001-B-225818.fts |
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| Only less than 50 stars was detected |
| 3C279-20210503-S001-R001-I-230207.fts |
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| Only less than 50 stars was detected |
| 3C279-20210503-S001-R001-R-230052.fts |
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| Only less than 50 stars was detected |
| 3C279-20210503-S001-R001-V-225937.fts |
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| Only less than 50 stars was detected |