| Details of individual nightly spectra. |
| The Spectrum table lists details of individual nightly spectra observed during the survey. Note that a given target star may (and often will) be observed more than once during the survey, so a given targetID may have several entries in this table. Required constraints:
|
| Name | Type | Length | Unit | Description | Default Value | Unified Content Descriptor |
|---|---|---|---|---|---|---|
| specNightlyID | bigint | 8 | Nightly Spectrum identifier: unique identifier for each nightly spectrum | -99999999 | ||
| specID | bigint | 8 | Spectrum identifier: unique identifier for each spectrum (4 MSB are the specFrameID; 4 LSB are the nSpec) | -99999999 | ||
| fileName | varchar | 256 | The GES Science Archive filename at WFAU for the nightly spectrum, eg. /path/filename.fits | 'NONE' | meta.id;meta.file | |
| nSpec | smallint | 2 | The number of the spectrum {catalogue TType keyword: INPUTINFO.Nspec,INPUTINFO.NSPEC} | -9999 | ||
| nSpecOld | smallint | 2 | The number of the spectrum before unused fibres were culled (equivalent to the number of the fibr,e counting from left to right on the original raw image.) {catalogue TType keyword: INPUTINFO.Nspec_old,INPUTINFO.NSPEC_OLD} | -9999 | ||
| rmsTrace | real | 4 | pixels | The RMS of the fit to the curvature of the spectrum on the detector {catalogue TType keyword: INPUTINFO.RMS_trace} | -9.999995e+08 | |
| rmsArc | real | 4 | Angstrom | The RMS in Angstroms of the wavelength solution {catalogue TType keyword: INPUTINFO.RMS_arc,INPUTINFO.RMS_ARC} | -9.999995e+08 | |
| rvRedshift | real | 4 | km/sec | The radial velocity measured from the cross correlation, computed using a template from the Munari grid. Use the velocity in column VEL should in preference to this one. {catalogue TType keyword: INPUTINFO.RV_redshift} | -9.999995e+08 | |
| helioCor | real | 4 | km/sec | The heliocentric correction {catalogue TType keyword: INPUTINFO.Helio_cor,INPUTINFO.HELIOCOR} | -9.999995e+08 | |
| simcalCor | real | 4 | Angstrom | The correction to be applied to correct for wavelength drift calculated from simcal observations {catalogue TType keyword: INPUTINFO.Simcal_cor} | -9.999995e+08 | |
| simcalRms | real | 4 | Angstrom | The RMS of simcalCor {catalogue TType keyword: INPUTINFO.Simcal_rms} | -9.999995e+08 | |
| skylineCor | real | 4 | Angstrom | The correction to be applied to correct for wavelength drift calculated from the sky lines in the observations {catalogue TType keyword: INPUTINFO.Skyline_cor} | -9.999995e+08 | |
| skylineRms | real | 4 | Angstrom | The RMS of skylineCor {catalogue TType keyword: INPUTINFO.Skyline_rms} | -9.999995e+08 | |
| vacuumCor | real | 4 | km/sec | The correction to be applied to the measured redshift if the spectral features in the template are defined in vacuum rather than in air at STP {catalogue TType keyword: INPUTINFO.Vacuum_cor} | -9.999995e+08 | |
| skyScale | real | 4 | The scaling factor applied to the mean sky before subtracting from the current spectrum {catalogue TType keyword: INPUTINFO.sky_scale} | -9.999995e+08 | ||
| vel | float | 8 | km/sec | The measured radial velocity from the cross correlation (using the Munari grid) {catalogue TType keyword: INPUTINFO.VEL} | -9.999995e+08 | |
| velErr | float | 8 | km/sec | The error on vel {catalogue TType keyword: INPUTINFO.EVEL} | -9.999995e+08 | |
| snrMean | float | 8 | The mean signal-to-noise ratio in the spectrum {catalogue TType keyword: INPUTINFO.S_N} | -9.999995e+08 | ||
| snrMedian | float | 8 | The median signal-to noise ratio of the spectrum {catalogue TType keyword: INPUTINFO.S_N} | -9.999995e+08 | ||
| chi2dof | float | 8 | Chi-squared of the template fit {catalogue TType keyword: INPUTINFO.CHI2_DOF} | -9.999995e+08 | ||
| chi2cont | float | 8 | Chi-squared of the continuum-only fit {catalogue TType keyword: INPUTINFO.CHI2_CONT} | -9.999995e+08 | ||
| templDist | float | 8 | A weighted L2 distance to the best fitting template {catalogue TType keyword: INPUTINFO.TEMPL_DISTANCE} | -9.999995e+08 | ||
| logg | float | 8 | The value of log(g) of the best fitting template {catalogue TType keyword: INPUTINFO.LOGG} | -9.999995e+08 | ||
| logTeff | float | 8 | K | The value of log(Teff) of the best fitting template {catalogue TType keyword: INPUTINFO.LOGTEFF} | -9.999995e+08 | |
| FeH | float | 8 | The value of [Fe/H] of the best fitting template {catalogue TType keyword: INPUTINFO.FEH} | -9.999995e+08 | ||
| vRot | float | 8 | km/sec | The best fit rotational velocity {catalogue TType keyword: INPUTINFO.VROT,INPUTINFO.VROT} | -9.999995e+08 | |
| vRotErr | float | 8 | km/sec | Error on vRot {catalogue TType keyword: INPUTINFO.EVROT,INPUTINFO.VROT_ERR} | -9.999995e+08 | |
| rvSb1 | int | 4 | Flag for multiple CCF peaks {catalogue TType keyword: INPUTINFO.RV_SB1} | -99999999 | ||
| rvSb2 | int | 4 | Flag for RV variability. 1 if variability detected, 0 if not. {catalogue TType keyword: INPUTINFO.RV_SB2} | -99999999 | ||
| rvQFlag | int | 4 | Quality flag for Giraffe radial velocity (Vel). If rvQflg=1, error on radial velocity may be higher than quoted. {catalogue TType keyword: INPUTINFO.RV_Qflag,INPUTINFO.RV_Qflg} | -99999999 | ||
| rv | float | 8 | The measured radial velocity from the cross correlation (GES grid used). {catalogue TType keyword: INPUTINFO.RV} | -9.999995e+08 | ||
| rvErr | float | 8 | Error on the measured radial velocity from the cross correlation {catalogue TType keyword: INPUTINFO.RV_ERR} | -9.999995e+08 | ||
| spClass | varchar | 5 | The spectral class (STAR, SKY or LOWSN; the latter two classes do not have spectral fits done for them) {catalogue TType keyword: INPUTINFO.SPCLASS} | 'NONE' | ||
| expTime | real | 4 | seconds | The exposure time of this spectrum {catalogue TType keyword: INPUTINFO.exptime,INPUTINFO.EXPTIME} | -9.999995e+08 | |
| dateObs | varchar | 25 | The date and time of the observation {catalogue TType keyword: INPUTINFO.date_obs,INPUTINFO.DATE_OBS} | 'NONE' | ||
| mjdObs | float | 8 | Modified Julian Date of the start of the observation {catalogue TType keyword: INPUTINFO.mjd_obs,INPUTINFO.MJD_OBS} | -9.999995e+08 | ||
| mjdEnd | float | 8 | days | Modified Julian Date of the end of the observation {catalogue TType keyword: INPUTINFO.mjd_end,INPUTINFO.MJD_END} | -9.999995e+08 | |
| airmassStart | real | 4 | Air mass at start of observation {catalogue TType keyword: INPUTINFO.airmass_start,INPUTINFO.AIRMASS_START} | -9.999995e+08 | ||
| airmassEnd | real | 4 | Air mass at end of observation {catalogue TType keyword: INPUTINFO.airmass_end,INPUTINFO.AIRMASS_END} | -9.999995e+08 | ||
| obid | bigint | 8 | The ID number of the OB for this observation {catalogue TType keyword: INPUTINFO.obid,INPUTINFO.OBID} | -99999999 | ||
| utc | real | 4 | seconds | Coordinated Universal Time at the start of the observation {catalogue TType keyword: INPUTINFO.utc,INPUTINFO.UTC} | -9.999995e+08 | |
| lst | real | 4 | seconds | Local sidereal time at the start of the observation {catalogue TType keyword: INPUTINFO.lst,INPUTINFO.LST} | -9.999995e+08 | |
| seeing | real | 4 | arcsec | Estimate of seeing for the observation {catalogue TType keyword: INPUTINFO.seeing,INPUTINFO.SEEING} | -9.999995e+08 | |
| moonAng | real | 4 | degrees | The angular distance between the field centre and the moon {catalogue TType keyword: INPUTINFO.moon_ang,INPUTINFO.MOON_ANG} | -9.999995e+08 | |
| archiveFileName | varchar | 34 | The ESO ARCFILE specification for the raw data for this observation {catalogue TType keyword: INPUTINFO.arcfile,INPUTINFO.ARCFILE} | 'NONE' | ||
| inputFileName | varchar | 32 | The manyspec product file from which this spectrum was extracted {catalogue TType keyword: INPUTINFO.input_filename,INPUTINFO.INPUT_FILENAME} | 'NONE' | ||
| ccfMax | float | 8 | The peak value of the cross correlation function for the best fitting radial velocity template {catalogue TType keyword: INPUTINFO.CCFMAX} | -9.999995e+08 | ||
| ccfWidth | float | 8 | km/sec | Width of the peak of the cross correlation function {catalogue TType keyword: INPUTINFO.CCFWIDTH} | -9.999995e+08 | |
| fwhmArc | float | 8 | Angstrom | The average FWHM of the arc lines {catalogue TType keyword: INPUTINFO.FWHM_ARC} | -9.999995e+08 | |
| resArc | float | 8 | Angstrom | The average resolution of the arc lines {catalogue TType keyword: INPUTINFO.RES_ARC} | -9.999995e+08 | |
| deprecated | int | 4 | Deprecated flag: coded as current=0 or deprecated !=0 | 0 | meta.code | |
| Total length | 624 |