Lasair Schema Browser

Click to jump to the schema for the objects, crossmatch_tns, sherlock_classifications, <annotator> or the watchlist_hits table.

objects Table Browser

Use the search bar below to find the columns required. Click on to copy the table.column name to your clipboard.
table.column Description
objects.htm16 Hierarchical Triangular Mesh level 16
objects.diaObjectId ID for this object
objects.ra Mean RA of this object
objects.decl Mean Dec of this object
objects.gPSFluxMax Maximum g flux in nJansky
objects.gPSFluxMean Mean g flux in nJansky
objects.gPSFluxMaxSlope Maximum ratio of time ordered deltaFlux / deltaTime
objects.gPSFluxNdata The number of data points used to compute gPSFluxChi2
objects.rPSFluxMax Maximum r flux in nJansky
objects.rPSFluxMean Mean r flux in nJansky
objects.rPSFluxMaxSlope Maximum ratio of time ordered deltaFlux / deltaTime
objects.rPSFluxNdata The number of data points used to compute rPSFluxChi2
objects.nSources Number of diaSources associated with this diaObject
objects.nuSources Number of u sources
objects.ngSources Number of u sources
objects.nrSources Number of u sources
objects.niSources Number of u sources
objects.nzSources Number of u sources
objects.nySources Number of u sources
objects.maxTai Latest MJD of a diaSource
objects.minTai Earliest MJD of a diaSource
objects.uPSFlux Latest u flux
objects.gPSFlux Latest g flux
objects.rPSFlux Latest r flux
objects.iPSFlux Latest i flux
objects.zPSFlux Latest z flux
objects.yPSFlux Latest y flux
objects.absFlux Absolute flux if host galaxy with distance available
objects.fluxJump Number of sigma latest is above mean/sd of previous
objects.uExpRate Rate of increase of u
objects.gExpRate Rate of increase of g
objects.rExpRate Rate of increase of r
objects.iExpRate Rate of increase of i
objects.zExpRate Rate of increase of z
objects.yExpRate Rate of increase of y
objects.uExpRateErr Error of uExpRate
objects.gExpRateErr Error of gExpRate
objects.rExpRateErr Error of rExpRate
objects.iExpRateErr Error of iExpRate
objects.zExpRateErr Error of zExpRate
objects.yExpRateErr Error of yExpRate
objects.bazinExpRiseRate Fitted Bazin or Exp rise rate
objects.bazinExpFallRate Fitted Bazin or Exp fall rate
objects.bazinExpTemp Fitted Bazin temperature, kiloKelvins
objects.bazinExpRiseRateErr Error of bazinExpRiseRate
objects.bazinExpFallRateErr Error of bazinExpFallRate
objects.bazinExpTempErr Error of bazinExpTemp

crossmatch_tns Table Browser

Use the search bar below to find the columns required. Click on to copy the table.column name to your clipboard.
table.column Description
crossmatch_tns.ra Right ascension in decimal degrees
crossmatch_tns.decl Declination in decimal degrees
crossmatch_tns.tns_name TNS name, for example 2021iru
crossmatch_tns.tns_prefix For example SN or AT
crossmatch_tns.disc_mag Discovery magnitude
crossmatch_tns.disc_mag_filter string
crossmatch_tns.type Astrophysical type of supernova, eg SN Ia
crossmatch_tns.z Redshift
crossmatch_tns.hostz Redshift of host galaxy
crossmatch_tns.host_name Name of host galaxy
crossmatch_tns.ext_catalogs External catalogues used
crossmatch_tns.disc_int_name Discoverers internal name
crossmatch_tns.disc_date Discovery date
crossmatch_tns.lastmodified_date Last Modified date
crossmatch_tns.sender Discoverers internal name
crossmatch_tns.reporters Discoverers internal name
crossmatch_tns.source_group Discoverers internal name
crossmatch_tns.htm16 Hierarchical Triangular Mesh level 16
crossmatch_tns.lasairmodified_date Lasair last Modified date

sherlock_classifications Table Browser

Use the search bar below to find the columns required. Click on to copy the table.column name to your clipboard.
table.column Description
sherlock_classifications.diaObjectId ZTF object identifier, also known as transient_object_id
sherlock_classifications.classification Top-ranked contextual classification for the transient (NULL, AGN, BS, CV, NT, ORPHAN, SN, UNCLEAR, VS)
sherlock_classifications.association_type Association classification for the transient (NULL, AGN, BS, CV, NT, ORPHAN, SN, UNCLEAR, VS)
sherlock_classifications.catalogue_table_name Name/s of catalogue/s from which the best crossmatch is made
sherlock_classifications.catalogue_object_id Identifier in the catalogue/s from which the best crossmatch is made
sherlock_classifications.catalogue_object_type Type of catalogue from which the best crossmatch is made
sherlock_classifications.raDeg RA in degrees of the transient
sherlock_classifications.decDeg Dec in degrees of the transient
sherlock_classifications.separationArcsec Transient's angular separation (arcseconds) from the top-ranked catalogue source match
sherlock_classifications.northSeparationArcsec Transient's angular separation (arcseconds) from the top-ranked catalogue source match
sherlock_classifications.eastSeparationArcsec Transient's angular separation (arcseconds) from the top-ranked catalogue source match
sherlock_classifications.physical_separation_kpc Distance in kilo parsec between transient and top-ranked catalogue source match
sherlock_classifications.direct_distance Determined from a non-redshift related measurement - e.g. Cepheids/standard candle (Mpc)
sherlock_classifications.distance Luminosity distance -- conversion from the spectral redshift (Mpc)
sherlock_classifications.z Redshift of the top-ranked catalogue source match
sherlock_classifications.photoZ Redshift of the top-ranked catalogue source match
sherlock_classifications.photoZErr Redshift of the top-ranked catalogue source match
sherlock_classifications.Mag Magnitude
sherlock_classifications.MagFilter Magnitude filter
sherlock_classifications.MagErr Magnitude error
sherlock_classifications.classificationReliability Reliability of classification
sherlock_classifications.major_axis_arcsec Size of associated galaxy in arcsec
sherlock_classifications.annotator Information about this annotation
sherlock_classifications.additional_output Addititonal information about this annotation
sherlock_classifications.description Long-form, human-readable summary of the transient's characteristics as infered from Sherlock's classification
sherlock_classifications.summary Short-form summary of the transient's context usual for webpage quick-look summaries

<annotator> Table Browser

Use the search bar below to find the columns required. Click on to copy the table.column name to your clipboard.
table.column Description
<annotator>.annotationID auto increment counter
<annotator>.diaObjectId ObjectId of the object that this annotator applies to
<annotator>.topic The topic name of the annotator -- acts as primary key
<annotator>.version Version information for the annotator software
<annotator>.timestamp Time at which this annotation was added to the database
<annotator>.classification Short, non-trivial string expressing the classification of this object by this annotator
<annotator>.explanation Natural language explanation of the classification
<annotator>.classdict Machine readable informayion about the classification
<annotator>.url URL for further information about this annotation of this object

watchlist_hits Table Browser

Use the search bar below to find the columns required. Click on to copy the table.column name to your clipboard.
table.column Description
watchlist_hits.diaObjectId ZTF object identifier
watchlist_hits.wl_id Watchlist identifier in watchlists
watchlist_hits.cone_id Cone identifier in watchlist_cones
watchlist_hits.arcsec Distance between ZTF and watchlist source (arcsec)
watchlist_hits.name Name of cone given by user
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