Precomputed spectral line indices. |
These are combinations of spectral line intensities used to determine various properties of galaxies, like age or metallicity. |
name | type | length | unit | ucd | description |
specLineIndexID | bigint | 8 | ID_CATALOG | Unique id number for the lineindex | |
name | varchar | 16 | ID_IDENTIFIER | Line index name | |
ew | real | 4 | Angstrom | SPECT_EQ-WIDTH | Equivalent width |
ewErr | real | 4 | Angstrom | SPECT_EQ-WIDTH ERROR | Equivalent width error |
mag | real | 4 | SPECT_INDEX | Magnitude of index | |
magErr | real | 4 | SPECT_INDEX ERROR | Magnitude error | |
waveMin | real | 4 | Angstrom | SPECT_WAVELENGTH_MISC | Minimum rest wavelength |
waveMax | real | 4 | Angstrom | SPECT_WAVELENGTH_MISC | Maximum rest wavelength |
z | real | 4 | REDSHIFT | Redshift | |
sn | real | 4 | INST_S/N | Signal-to-noise | |
specobjID | bigint | 8 | ID_CATALOG | links to SpecObj |