“SpecobjID”的版本间差异
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（以“*DR7 Bits Length (# of bits) Mask Assignment Description 0-15 16 0xFFFF000000000000 plate number of spectroscopic plate 16-31 16 0x0000FFFF00000000 ...”为内容创建页面） |
（没有差异）
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2015年1月22日 (四) 01:28的版本
- DR7
Bits Length (# of bits) Mask Assignment Description 0-15 16 0xFFFF000000000000 plate number of spectroscopic plate 16-31 16 0x0000FFFF00000000 MJD MJD (date) plate was observed 32-41 10 0x00000000FFC00000 fiberID number of spectroscopic fiber on plate (1-640) 42-47 6 0x00000000003F0000 type type of targeted object 48-63 16 0x000000000000FFFF line/redshift/index 0 for SpecObj, else number of spectroscopic line (SpecLine) or index (SpecLineIndex) or redshift (ELRedhsift or XCRedshift)