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Table: sdss_dr12.stellarmass_granada
(The bold columns are indexed columns)
| Column Name | Description | Datatype |
|---|---|---|
| age | Best-fit mass-weighted average age of the stellar population | DOUBLE |
| age_max | Maximum value (higher 68% confidence level) for mass-weighted average age of the stellar population | DOUBLE |
| age_mean | Mean mass-weighted average age of the stellar population | DOUBLE |
| age_min | Minimum value (lower 68% confidence level) for mass-weighted average age of the stellar population | DOUBLE |
| chi2 | Unreduced chi-square of best fit | DOUBLE |
| cmodelabsmag_g | Cmodel absolute magnitudes in the g-band, K+E corrected at z_0=0.55 | DOUBLE |
| cmodelabsmag_i | Cmodel absolute magnitudes in the i-band, K+E corrected at z_0=0.55 | DOUBLE |
| cmodelabsmag_r | Cmodel absolute magnitudes in the r-band, K+E corrected at z_0=0.55 | DOUBLE |
| cmodelabsmag_u | Cmodel absolute magnitudes in the u-band, K+E corrected at z_0=0.55 | DOUBLE |
| cmodelabsmag_z | Cmodel absolute magnitudes in the z-band, K+E corrected at z_0=0.55 | DOUBLE |
| dec | Declination of fiber, J2000 | DOUBLE |
| dust | Was dust extinction included in the fit? | CHAR |
| dust1 | Best-fit value for dust attenuation around young stars | DOUBLE |
| dust1_err | 1-sigma error for dust attenuation around young stars | DOUBLE |
| dust1_max | Maximum value dust attenuation around young stars (higher 68% confidence level) | DOUBLE |
| dust1_mean | Mean value for dust attenuation around young stars | DOUBLE |
| dust1_min | Minimum value dust attenuation around young stars (lower 68% confidence level) | DOUBLE |
| dust2 | Best-fit value for dust attenuation around old stars | DOUBLE |
| dust2_err | 1-sigma error for dust attenuation around old stars | DOUBLE |
| dust2_max | Maximum value for dust attenuation around old stars (higher 68% confidence level) | DOUBLE |
| dust2_mean | Mean value for dust attenuation around old stars | DOUBLE |
| dust2_min | Minimum value for dust attenuation around old stars (lower 68% confidence level) | DOUBLE |
| elat | Ecliptic Latitude | DOUBLE |
| elon | Ecliptic Longitude | DOUBLE |
| fiberid | Fiber ID | SMALLINT |
| glat | Galactic Latitude | DOUBLE |
| glon | Galactic Longitude | DOUBLE |
| htm9 | HTM index (order 9 => ~10 arcmin size) | INTEGER |
| imf | Initial Mass Function, "salpeter" or "kroupa" | CHAR |
| ke_g | K+E corrections at z_0=0.55 in the g-band | DOUBLE |
| ke_i | K+E corrections at z_0=0.55 in the i-band | DOUBLE |
| ke_r | K+E corrections at z_0=0.55 in the r-band | DOUBLE |
| ke_u | K+E corrections at z_0=0.55 in the u-band | DOUBLE |
| ke_z | K+E corrections at z_0=0.55 in the z-band | DOUBLE |
| logmass | Best-fit stellar mass of galaxy | DOUBLE |
| logmass_err | 1-sigma error associated with LogMass_Median | DOUBLE |
| logmass_max | Maximum stellar mass (higher 68% confidence level) | DOUBLE |
| logmass_median | Median stellar mass of galaxy. It corresponds to the value of PDF at which 50% of the stellar mass probability is accumulated (log base 10 in solar masses) | DOUBLE |
| logmass_min | Minimum stellar mass (lower 68% confidence level) | DOUBLE |
| m2l_err_g | 1-sigma error associated to M2L_Median in the g-band | DOUBLE |
| m2l_err_i | 1-sigma error associated to M2L_Median in the i-band | DOUBLE |
| m2l_err_r | 1-sigma error associated to M2L_Median in the r-band | DOUBLE |
| m2l_err_u | 1-sigma error associated to M2L_Median in the u-band | DOUBLE |
| m2l_err_z | 1-sigma error associated to M2L_Median in the z-band | DOUBLE |
| m2l_g | Mass-to-light ratio in the g-band, K+E corrected at z_0=0.55 | DOUBLE |
| m2l_i | Mass-to-light ratio in the i-band, K+E corrected at z_0=0.55 | DOUBLE |
| m2l_max_g | Maximum Mass-to-light ratio (higher 68% confidence level) in the g-band | DOUBLE |
| m2l_max_i | Maximum Mass-to-light ratio (higher 68% confidence level) in the i-band | DOUBLE |
| m2l_max_r | Maximum Mass-to-light ratio (higher 68% confidence level) in the r-band | DOUBLE |
| m2l_max_u | Maximum Mass-to-light ratio (higher 68% confidence level) in the u-band | DOUBLE |
| m2l_max_z | Maximum Mass-to-light ratio (higher 68% confidence level) in the z-band | DOUBLE |
| m2l_median_g | Median Mass-to-light ratio in the g-band, K+E corrected at z_0=0.55. It corresponds to the value of PDF at which 50% of the M/L probability is accumulated | DOUBLE |
| m2l_median_i | Median Mass-to-light ratio in the i-band, K+E corrected at z_0=0.55. It corresponds to the value of PDF at which 50% of the M/L probability is accumulated | DOUBLE |
| m2l_median_r | Median Mass-to-light ratio in the r-band, K+E corrected at z_0=0.55. It corresponds to the value of PDF at which 50% of the M/L probability is accumulated | DOUBLE |
| m2l_median_u | Median Mass-to-light ratio in the u-band, K+E corrected at z_0=0.55. It corresponds to the value of PDF at which 50% of the M/L probability is accumulated | DOUBLE |
| m2l_median_z | Median Mass-to-light ratio in the z-band, K+E corrected at z_0=0.55. It corresponds to the value of PDF at which 50% of the M/L probability is accumulated | DOUBLE |
| m2l_min_g | Minimum Mass-to-light ratio (lower 68% confidence level) in the g-band | DOUBLE |
| m2l_min_i | Minimum Mass-to-light ratio (lower 68% confidence level) in the i-band | DOUBLE |
| m2l_min_r | Minimum Mass-to-light ratio (lower 68% confidence level) in the r-band | DOUBLE |
| m2l_min_u | Minimum Mass-to-light ratio (lower 68% confidence level) in the u-band | DOUBLE |
| m2l_min_z | Minimum Mass-to-light ratio (lower 68% confidence level) in the z-band | DOUBLE |
| m2l_r | Mass-to-light ratio in the r-band, K+E corrected at z_0=0.55 | DOUBLE |
| m2l_u | Mass-to-light ratio in the u-band, K+E corrected at z_0=0.55 | DOUBLE |
| m2l_z | Mass-to-light ratio in the z-band, K+E corrected at z_0=0.55 | DOUBLE |
| metallicity | Best-fit metallicity, where Z_sun=0.019 | DOUBLE |
| metallicity_err | 1-sigma error for metallicity | DOUBLE |
| metallicity_max | Maximum value (higher 68% confidence level) for metallicity | DOUBLE |
| metallicity_mean | Mean metallicity | DOUBLE |
| metallicity_min | Minimum value (lower 68% confidence level) for metallicity | DOUBLE |
| mjd | MJD of observation | INTEGER |
| model | Star formation model, "early" or "wide" | CHAR |
| nest4096 | HEALPIX index (Nsides 4096, Nest scheme => ~52 arcsec size) | INTEGER |
| nfilter | Number of filters used in the fit (default is 5 for ugriz) | SMALLINT |
| plate | Plate number | SMALLINT |
| ra | Right ascension of fiber, J2000 | DOUBLE |
| random_id | Random ID in the range 0.0 => 100.0 | REAL |
| ring256 | HEALPIX index (Nsides 256, Ring scheme => ~14 arcmin size) | INTEGER |
| sdss_joinid | Unique ID based on PLATE, MJD, FIBERID for joining across data releases | BIGINT |
| specobjid | Unique ID | BIGINT |
| ssfr | Best-fit specific star formation rate | DOUBLE |
| ssfr_max | Maximum value (higher 68% confidence level) for specific star formation rate | DOUBLE |
| ssfr_mean | Mean specific star formation rate | DOUBLE |
| ssfr_min | Minimum value (lower 68% confidence level) for specific star formation rate | DOUBLE |
| t_age | Best-fit look-back formation time | DOUBLE |
| t_age_err | 1-sigma error for look-back formation time | DOUBLE |
| t_age_max | Maximum value (higher 68% confidence level) for look-back formation time | DOUBLE |
| t_age_mean | Mean look-back formation time | DOUBLE |
| t_age_min | Minimum value (lower 68% confidence level) for look-back formation time | DOUBLE |
| tau | Best-fit star formation history e-folding time (tau) | DOUBLE |
| tau_err | 1-sigma star formation history e-folding time (tau) | DOUBLE |
| tau_max | Maximum value (higher 68% confidence level) for star formation history e-folding time (tau) | DOUBLE |
| tau_mean | Mean star formation history e-folding time (tau) | DOUBLE |
| tau_min | Minimum value (lower 68% confidence level) for star formation history e-folding time (tau) | DOUBLE |
| z | Redshift used (corresponds to z_noqso in specObjAll) | REAL |
| z_err | Error in z (corresponds to zErr_noqso in specObjAll) | REAL |
