DiaObject
Properties of time-varying astronomical objects based on association of data from one or more spatially-related DiaSource detections on individual single-epoch difference images.
Columns
| name | datatype | description | unit | nullable | ivoa:ucd | tap:principal |
|---|---|---|---|---|---|---|
| dec | double | Declination coordinate of the position of the DiaObject. | deg | false | pos.eq.dec;meta.main | 1 |
| decErr | float | Error in declination. | deg | true | stat.error;pos.eq.dec | 1 |
| diaObjectId | long | Unique identifier of this DiaObject. | false | meta.id;src;meta.main | 1 | |
| g_psfFluxErrMean | float | Mean of the g band flux errors. | nJy | true | 0 | |
| g_psfFluxMax | double | Maximum observed g band fluxes. | nJy | true | phot.flux;stat.max | 0 |
| g_psfFluxMaxSlope | double | Maximum slope between g band flux obsevations max(delta_flux/delta_time). | nJy/d | true | 0 | |
| g_psfFluxMean | double | Weighted mean point-source model magnitude for g filter. | nJy | true | phot.flux;stat.mean | 1 |
| g_psfFluxMeanErr | double | Standard error of g_psfFluxMean. | nJy | true | stat.error;phot.flux | 1 |
| g_psfFluxMin | double | Minimum observed g band fluxes. | nJy | true | phot.flux;stat.min | 0 |
| g_psfFluxNdata | int | The number of g-band data points. | false | meta.number;src;instr.filter | 1 | |
| g_psfFluxSigma | double | Standard deviation of the distribution of g_psfFlux. | nJy | true | stat.stdev;phot.flux | 0 |
| g_scienceFluxMean | double | Weighted mean forced photometry flux for g filter. | nJy | true | phot.flux;stat.mean | 0 |
| g_scienceFluxMeanErr | double | Standard error of g_scienceFluxMean. | nJy | true | stat.error;phot.flux | 0 |
| i_psfFluxErrMean | float | Mean of the i band flux errors. | nJy | true | 0 | |
| i_psfFluxMax | double | Maximum observed i band fluxes. | nJy | true | phot.flux;stat.max | 0 |
| i_psfFluxMaxSlope | double | Maximum slope between i band flux obsevations max(delta_flux/delta_time). | nJy/d | true | 0 | |
| i_psfFluxMean | double | Weighted mean point-source model magnitude for i filter. | nJy | true | phot.flux;stat.mean | 1 |
| i_psfFluxMeanErr | double | Standard error of i_psfFluxMean. | nJy | true | stat.error;phot.flux | 1 |
| i_psfFluxMin | double | Minimum observed i band fluxes. | nJy | true | phot.flux;stat.min | 0 |
| i_psfFluxNdata | int | The number of i-band data points. | false | meta.number;src;instr.filter | 1 | |
| i_psfFluxSigma | double | Standard deviation of the distribution of i_psfFlux. | nJy | true | stat.stdev;phot.flux | 0 |
| i_scienceFluxMean | double | Weighted mean forced photometry flux for i filter. | nJy | true | phot.flux;stat.mean | 0 |
| i_scienceFluxMeanErr | double | Standard error of i_scienceFluxMean. | nJy | true | stat.error;phot.flux | 0 |
| nDiaSources | long | Total number of DiaSources associated with this DiaObject. | false | meta.number;src | 1 | |
| r_psfFluxErrMean | float | Mean of the r band flux errors. | nJy | true | 0 | |
| r_psfFluxMax | double | Maximum observed r band fluxes. | nJy | true | phot.flux;stat.max | 0 |
| r_psfFluxMaxSlope | double | Maximum slope between r band flux obsevations max(delta_flux/delta_time). | nJy/d | true | 0 | |
| r_psfFluxMean | double | Weighted mean point-source model magnitude for r filter. | nJy | true | phot.flux;stat.mean | 1 |
| r_psfFluxMeanErr | double | Standard error of r_psfFluxMean. | nJy | true | stat.error;phot.flux | 1 |
| r_psfFluxMin | double | Minimum observed r band fluxes. | nJy | true | phot.flux;stat.min | 0 |
| r_psfFluxNdata | int | The number of r-band data points. | false | meta.number;src;instr.filter | 1 | |
| r_psfFluxSigma | double | Standard deviation of the distribution of r_psfFlux. | nJy | true | stat.stdev;phot.flux | 0 |
| r_scienceFluxMean | double | Weighted mean forced photometry flux for r filter. | nJy | true | phot.flux;stat.mean | 0 |
| r_scienceFluxMeanErr | double | Standard error of r_scienceFluxMean. | nJy | true | stat.error;phot.flux | 0 |
| ra | double | Right Ascension coordinate of the position of the DiaObject. | deg | false | pos.eq.ra;meta.main | 1 |
| raErr | float | Error in right ascension. | deg | true | stat.error;pos.eq.ra | 1 |
| ra_dec_Cov | float | Covariance between right ascension and declination. | deg**2 | true | stat.covariance;pos.eq.ra;pos.eq.dec | 0 |
| u_psfFluxErrMean | float | Mean of the u band flux errors. | nJy | true | 0 | |
| u_psfFluxMax | double | Maximum observed u band fluxes. | nJy | true | phot.flux;stat.max | 0 |
| u_psfFluxMaxSlope | double | Maximum slope between u band flux obsevations max(delta_flux/delta_time). | nJy/d | true | 0 | |
| u_psfFluxMean | double | Weighted mean point-source model magnitude for u filter. | nJy | true | phot.flux;stat.mean | 1 |
| u_psfFluxMeanErr | double | Standard error of u_psfFluxMean. | nJy | true | stat.error;phot.flux | 1 |
| u_psfFluxMin | double | Minimum observed u band fluxes. | nJy | true | phot.flux;stat.min | 0 |
| u_psfFluxNdata | int | The number of u-band data points. | false | meta.number;src;instr.filter | 1 | |
| u_psfFluxSigma | double | Standard deviation of the distribution of u_psfFlux. | nJy | true | stat.stdev;phot.flux | 0 |
| u_scienceFluxMean | double | Weighted mean forced photometry flux for u filter. | nJy | true | phot.flux;stat.mean | 0 |
| u_scienceFluxMeanErr | double | Standard error of u_scienceFluxMean. | nJy | true | stat.error;phot.flux | 0 |
| y_psfFluxErrMean | float | Mean of the y band flux errors. | nJy | true | 0 | |
| y_psfFluxMax | double | Maximum observed y band fluxes. | nJy | true | phot.flux;stat.max | 0 |
| y_psfFluxMaxSlope | double | Maximum slope between y band flux obsevations max(delta_flux/delta_time). | nJy/d | true | 0 | |
| y_psfFluxMean | double | Weighted mean point-source model magnitude for y filter. | nJy | true | phot.flux;stat.mean | 1 |
| y_psfFluxMeanErr | double | Standard error of y_psfFluxMean. | nJy | true | stat.error;phot.flux | 1 |
| y_psfFluxMin | double | Minimum observed y band fluxes. | nJy | true | phot.flux;stat.min | 0 |
| y_psfFluxNdata | int | The number of y-band data points. | false | meta.number;src;instr.filter | 1 | |
| y_psfFluxSigma | double | Standard deviation of the distribution of y_psfFlux. | nJy | true | stat.stdev;phot.flux | 0 |
| y_scienceFluxMean | double | Weighted mean forced photometry flux for y filter. | nJy | true | phot.flux;stat.mean | 0 |
| y_scienceFluxMeanErr | double | Standard error of y_scienceFluxMean. | nJy | true | stat.error;phot.flux | 0 |
| z_psfFluxErrMean | float | Mean of the z band flux errors. | nJy | true | 0 | |
| z_psfFluxMax | double | Maximum observed z band fluxes. | nJy | true | phot.flux;stat.max | 0 |
| z_psfFluxMaxSlope | double | Maximum slope between z band flux obsevations max(delta_flux/delta_time). | nJy/d | true | 0 | |
| z_psfFluxMean | double | Weighted mean point-source model magnitude for z filter. | nJy | true | phot.flux;stat.mean | 1 |
| z_psfFluxMeanErr | double | Standard error of z_psfFluxMean. | nJy | true | stat.error;phot.flux | 1 |
| z_psfFluxMin | double | Minimum observed z band fluxes. | nJy | true | phot.flux;stat.min | 0 |
| z_psfFluxNdata | int | The number of z-band data points. | false | meta.number;src;instr.filter | 1 | |
| z_psfFluxSigma | double | Standard deviation of the distribution of z_psfFlux. | nJy | true | stat.stdev;phot.flux | 0 |
| z_scienceFluxMean | double | Weighted mean forced photometry flux for z filter. | nJy | true | phot.flux;stat.mean | 0 |
| z_scienceFluxMeanErr | double | Standard error of z_scienceFluxMean. | nJy | true | stat.error;phot.flux | 0 |