SSObject

LSST-computed per-object quantities.

Columns

name datatype description unit nullable ivoa:ucd votable:arraysize length
ssObjectId primary key long Unique identifier. false meta.id;src
designation foreign key char The unpacked primary provisional designation for this object. true meta.id;src 16 16
nObs int Total number of LSST observations of this object. false meta.number;obs
arc float Timespan ("arc") of all LSST observations, t_{last} - t_{first} d false time.duration;obs
firstObservationMjdTai double The time of the first LSST observation of this object (could be precovered), TAI. d true time.epoch;obs
MOIDEarth indexed float Minimum orbit intersection distance to Earth. AU true pos.distance;src.orbital
MOIDEarthDeltaV float DeltaV at the MOID point. km/s true phys.veloc.orbital
MOIDEarthEclipticLongitude float Ecliptic longitude of the MOID point (Earth's orbit). deg true pos.ecliptic.lon
MOIDEarthTrueAnomaly float True anomaly of the MOID point on Earth's orbit. deg true pos.phaseAng
MOIDEarthTrueAnomalyObject float True anomaly of the MOID point on the object's orbit. deg true pos.phaseAng;src.orbital
tisserand_J float Tisserand parameter with respect to Jupiter (T_J). true src.orbital.TissJ
extendednessMax float Maximum `extendedness` value from the DiaSource. true
extendednessMedian float Median `extendedness` value from the DiaSource. true
extendednessMin float Minimum `extendedness` value from the DiaSource. true
u_nObs int Total number of data points (u band). false meta.number;obs
u_H float Best fit absolute magnitude (u band). mag true phot.mag
u_HErr float Error in the estimate of H (u band). mag true stat.error;phot.mag
u_G12 float Best fit G12 slope parameter (u band). true stat.fit.param
u_G12Err float Error in the estimate of G12 (u band). true stat.error;stat.fit.param
u_H_u_G12_Cov float H–G12 covariance (u band). mag**2 true stat.covariance;phot.mag;stat.fit.param
u_nObsUsed int The number of data points used to fit the phase curve (u band). false meta.number;obs
u_Chi2 float Chi^2 statistic of the phase curve fit (u band). true stat.fit.chi2
u_phaseAngleMin float Minimum phase angle observed (u band). deg true pos.phaseAng;stat.min
u_phaseAngleMax float Maximum phase angle observed (u band). deg true pos.phaseAng;stat.max
u_slope_fit_failed boolean G12 fit failed in u band. G12 contains a fiducial value used to fit H. true
g_nObs int Total number of data points (g band). false meta.number;obs
g_H float Best fit absolute magnitude (g band). mag true phot.mag
g_HErr float Error in the estimate of H (g band). mag true stat.error;phot.mag
g_G12 float Best fit G12 slope parameter (g band). true stat.fit.param
g_G12Err float Error in the estimate of G12 (g band). true stat.error;stat.fit.param
g_H_g_G12_Cov float H–G12 covariance (g band). mag**2 true stat.covariance;phot.mag;stat.fit.param
g_nObsUsed int The number of data points used to fit the phase curve (g band). false meta.number;obs
g_Chi2 float Chi^2 statistic of the phase curve fit (g band). true stat.fit.chi2
g_phaseAngleMin float Minimum phase angle observed (g band). deg true pos.phaseAng;stat.min
g_phaseAngleMax float Maximum phase angle observed (g band). deg true pos.phaseAng;stat.max
g_slope_fit_failed boolean G12 fit failed in g band. G12 contains a fiducial value used to fit H. true
r_nObs int Total number of data points (r band). false meta.number;obs
r_H float Best fit absolute magnitude (r band). mag true phot.mag
r_HErr float Error in the estimate of H (r band). mag true stat.error;phot.mag
r_G12 float Best fit G12 slope parameter (r band). true stat.fit.param
r_G12Err float Error in the estimate of G12 (r band). true stat.error;stat.fit.param
r_H_r_G12_Cov float H–G12 covariance (r band). mag**2 true stat.covariance;phot.mag;stat.fit.param
r_nObsUsed int The number of data points used to fit the phase curve (r band). false meta.number;obs
r_Chi2 float Chi^2 statistic of the phase curve fit (r band). true stat.fit.chi2
r_phaseAngleMin float Minimum phase angle observed (r band). deg true pos.phaseAng;stat.min
r_phaseAngleMax float Maximum phase angle observed (r band). deg true pos.phaseAng;stat.max
r_slope_fit_failed boolean G12 fit failed in r band. G12 contains a fiducial value used to fit H. true
i_nObs int Total number of data points (i band). false meta.number;obs
i_H float Best fit absolute magnitude (i band). mag true phot.mag
i_HErr float Error in the estimate of H (i band). mag true stat.error;phot.mag
i_G12 float Best fit G12 slope parameter (i band). true stat.fit.param
i_G12Err float Error in the estimate of G12 (i band). true stat.error;stat.fit.param
i_H_i_G12_Cov float H–G12 covariance (i band). mag**2 true stat.covariance;phot.mag;stat.fit.param
i_nObsUsed int The number of data points used to fit the phase curve (i band). false meta.number;obs
i_Chi2 float Chi^2 statistic of the phase curve fit (i band). true stat.fit.chi2
i_phaseAngleMin float Minimum phase angle observed (i band). deg true pos.phaseAng;stat.min
i_phaseAngleMax float Maximum phase angle observed (i band). deg true pos.phaseAng;stat.max
i_slope_fit_failed boolean G12 fit failed in i band. G12 contains a fiducial value used to fit H. true
z_nObs int Total number of data points (z band). false meta.number;obs
z_H float Best fit absolute magnitude (z band). mag true phot.mag
z_HErr float Error in the estimate of H (z band). mag true stat.error;phot.mag
z_G12 float Best fit G12 slope parameter (z band). true stat.fit.param
z_G12Err float Error in the estimate of G12 (z band). true stat.error;stat.fit.param
z_H_z_G12_Cov float H–G12 covariance (z band). mag**2 true stat.covariance;phot.mag;stat.fit.param
z_nObsUsed int The number of data points used to fit the phase curve (z band). false meta.number;obs
z_Chi2 float Chi^2 statistic of the phase curve fit (z band). true stat.fit.chi2
z_phaseAngleMin float Minimum phase angle observed (z band). deg true pos.phaseAng;stat.min
z_phaseAngleMax float Maximum phase angle observed (z band). deg true pos.phaseAng;stat.max
z_slope_fit_failed boolean G12 fit failed in z band. G12 contains a fiducial value used to fit H. true
y_nObs int Total number of data points (y band). false meta.number;obs
y_H float Best fit absolute magnitude (y band). mag true phot.mag
y_HErr float Error in the estimate of H (y band). mag true stat.error;phot.mag
y_G12 float Best fit G12 slope parameter (y band). true stat.fit.param
y_G12Err float Error in the estimate of G12 (y band). true stat.error;stat.fit.param
y_H_y_G12_Cov float H–G12 covariance (y band). mag**2 true stat.covariance;phot.mag;stat.fit.param
y_nObsUsed int The number of data points used to fit the phase curve (y band). false meta.number;obs
y_Chi2 float Chi^2 statistic of the phase curve fit (y band). true stat.fit.chi2
y_phaseAngleMin float Minimum phase angle observed (y band). deg true pos.phaseAng;stat.min
y_phaseAngleMax float Maximum phase angle observed (y band). deg true pos.phaseAng;stat.max
y_slope_fit_failed boolean G12 fit failed in y band. G12 contains a fiducial value used to fit H. true

Indexes

Index Definition Description
idx_SSObject_MOIDEarth MOIDEarth Index on the MOIDEarth column

Constraints

Constraint Type Definition Description
fk_SSObject_mpc_orbits ForeignKey
Columns: designation
References: mpc_orbits.designation
 Link an SSObject to its associated mpc_orbits
unique_SSObject_designation Unique designation Unique index on the designation column