TABLE SpecLineIndex

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

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