{"Fink on-the-fly added values (v:)": {"classification": {"doc": "Fink inferred classification. See https://api.ztf.fink-portal.org/api/v1/classes", "type": "string"}, "constellation": {"doc": "Name of the constellation an alert on the sky is in", "type": "string"}, "firstdate": {"doc": "Human readable datetime for the first detection of the object (from the i:jdstarthist field).", "type": "string"}, "g-r": {"doc": "Last g-r measurement for this object.", "type": "double"}, "lapse": {"doc": "Number of days between first and last detection.", "type": "double"}, "lastdate": {"doc": "Human readable datetime for the alert (from the i:jd field).", "type": "string"}, "rate": {"doc": "Brightness change rate in mag/day (between last and previous measurement in this filter).", "type": "double"}, "rate(g-r)": {"doc": "g-r change rate in mag/day (between last and previous g-r measurements).", "type": "double"}, "sigma(g-r)": {"doc": "Error of last g-r measurement for this object.", "type": "double"}, "sigma(rate(g-r))": {"doc": "Error of g-r rate in mag/day (between last and previous g-r measurements).", "type": "double"}, "sigma(rate)": {"doc": "Error of brightness change rate in mag/day (between last and previous measurement in this filter).", "type": "double"}}, "Fink science module outputs (d:)": {"DR3Name": {"doc": "Unique source designation of closest source from Gaia catalog; if exists within 1 arcsec.", "type": "string"}, "Plx": {"doc": "Absolute stellar parallax (in milli-arcsecond) of the closest source from Gaia catalog; if exists within 1 arcsec.", "type": "double"}, "anomaly_score": {"doc": "Probability of an alert to be anomalous (lower values mean more anomalous observations) based on lc_*", "type": "double"}, "blazar_stats_m0": {"doc": "Feature for characterising CTAO blazar state. Related to low state robustness.", "type": "float"}, "blazar_stats_m1": {"doc": "Feature for characterising CTAO blazar state. Related to low state robustness.", "type": "float"}, "blazar_stats_m2": {"doc": "Feature for characterising CTAO blazar state. Related to low state duration.", "type": "float"}, "cdsxmatch": {"doc": "Object type of the closest source from SIMBAD database; if exists within 1 arcsec. See https://api.ztf.fink-portal.org/api/v1/classes", "type": "string"}, "delta_time": {"doc": "Delta time between the the two measurement used for the magnitude rate `mag_rate`", "type": "double"}, "e_Plx": {"doc": "Standard error of the stellar parallax (in milli-arcsecond) of the closest source from Gaia catalog; if exists within 1 arcsec.", "type": "double"}, "from_upper": {"doc": "If True, the magnitude rate `mag_rate` has been computed using the last upper limit and the current measurement.", "type": "boolean"}, "gaiaClass": {"doc": "Name of best class from Gaia DR3 Part 4. Variability (I/358/vclassre).", "type": "str"}, "gaiaVarFlag": {"doc": "Photometric variability flag from Gaia DR3. 1 if the source is variable, 0 otherwise.", "type": "int"}, "gcvs": {"doc": "Object type of the closest source from GCVS catalog; if exists within 1 arcsec.", "type": "string"}, "is_transient": {"doc": "True if the alert is considered as pure static transient. See https://zenodo.org/records/4054129.", "type": "boolean"}, "jd_first_real_det": {"doc": "First variation time at 5 sigma contained in the alert history", "type": "double"}, "jdstarthist_dt": {"doc": "Delta time between `jd_first_real_det` and the first variation time at 3 sigma (`jdstarthist`). If `jdstarthist_dt` > 30 days then the first variation time at 5 sigma is False (accurate for fast transient).", "type": "double"}, "lc_features_g": {"doc": "Numerous light curve features for the g band (see https://github.com/astrolabsoftware/fink-science/tree/master/fink_science/ztf/ad_features). Stored as string of array.", "type": "string"}, "lc_features_r": {"doc": "Numerous light curve features for the r band (see https://github.com/astrolabsoftware/fink-science/tree/master/fink_science/ztf/ad_features). Stored as string of array.", "type": "string"}, "lower_rate": {"doc": "5% percentile of the magnitude rate sampling used for the error computation (`sigma_rate`)", "type": "double"}, "mag_rate": {"doc": "Magnitude rate (mag/day)", "type": "double"}, "mangrove_2MASS_name": {"doc": "2MASS source designation of closest source from Mangrove catalog; if exists within 1 arcmin.", "type": "string"}, "mangrove_HyperLEDA_name": {"doc": "HyperLEDA source designation of closest source from Mangrove catalog; if exists within 1 arcmin.", "type": "string"}, "mangrove_ang_dist": {"doc": "Angular distance of closest source from Mangrove catalog; if exists within 1 arcmin.", "type": "string"}, "mangrove_lum_dist": {"doc": "Luminosity distance of closest source from Mangrove catalog; if exists within 1 arcmin.", "type": "string"}, "mulens": {"doc": "Probability score of an alert to be a microlensing event by [LIA](https://github.com/dgodinez77/LIA).", "type": "double"}, "nalerthist": {"doc": "Number of detections contained in each alert (current+history). Upper limits are not taken into account.", "type": "int"}, "rf_kn_vs_nonkn": {"doc": "Probability of an alert to be a Kilonova using a PCA & Random Forest Classifier (binary classification). Higher is better.", "type": "double"}, "rf_snia_vs_nonia": {"doc": "Probability of an alert to be a SNe Ia using a Random Forest Classifier (binary classification). Higher is better.", "type": "double"}, "roid": {"doc": "Determine if the alert is a potential Solar System object (experimental). 0: likely not SSO, 1: first appearance but likely not SSO, 2: candidate SSO, 3: found in MPC.", "type": "int"}, "sigma_rate": {"doc": "Magnitude rate error estimation (mag/day)", "type": "double"}, "slsn_score": {"doc": "Superluminous supernovae classification score between 0 and 1. Return -1 if not enough points were available for feature extraction, if the alert is not considered a likely transient, or if the source is less than 30 days old.", "type": "float"}, "snn_sn_vs_all": {"doc": "The probability of an alert to be a SNe vs. anything else (variable stars and other categories in the training) using SuperNNova", "type": "double"}, "snn_snia_vs_nonia": {"doc": "The probability of an alert to be a SN Ia vs. core-collapse SNe using SuperNNova", "type": "double"}, "spicy_class": {"doc": "Class name of closest source from SPICY catalog; if exists within 1.2 arcsec.", "type": "string"}, "spicy_id": {"doc": "Unique source designation of closest source from SPICY catalog; if exists within 1.2 arcsec.", "type": "string"}, "tag": {"doc": "Quality tag among `valid`, `badquality` (does not satisfy quality cuts), and `upper` (upper limit measurement). Only available if `withupperlim` is set to True.", "type": "string"}, "tns": {"doc": "TNS label, if it exists.", "type": "string"}, "tracklet": {"doc": "ID for fast moving objects, typically orbiting around the Earth. Of the format YYYY-MM-DD hh:mm:ss", "type": "string"}, "upper_rate": {"doc": "95% percentile of the magnitude rate sampling used for the error computation (`sigma_rate`)", "type": "double"}, "vsx": {"doc": "Object type of the closest source from VSX catalog; if exists within 1 arcsec.", "type": "string"}, "x3hsp": {"doc": "Counterpart (cross-match) to the 3HSP catalog if exists within 1 arcminute.", "type": "string"}, "x4lac": {"doc": "Counterpart (cross-match) to the 4LAC DR3 catalog if exists within 1 arcminute.", "type": "string"}}, "ZTF original cutouts (b:)": {"cutoutDifference_stampData": {"doc": "2D array from the Difference cutout FITS", "type": "array"}, "cutoutScience_stampData": {"doc": "2D array from the Science cutout FITS", "type": "array"}, "cutoutTemplate_stampData": {"doc": "2D array from the Template cutout FITS", "type": "array"}}, "ZTF original fields (i:)": {"aimage": {"doc": "Windowed profile RMS afloat major axis from SExtractor [pixels]", "type": ["null", "float"]}, "aimagerat": {"doc": "Ratio: aimage / fwhm", "type": ["null", "float"]}, "bimage": {"doc": "Windowed profile RMS afloat minor axis from SExtractor [pixels]", "type": ["null", "float"]}, "bimagerat": {"doc": "Ratio: bimage / fwhm", "type": ["null", "float"]}, "candid": {"doc": "Candidate ID from operations DB", "type": "long"}, "chinr": {"doc": "DAOPhot chi parameter of nearest source in reference image PSF-catalog", "type": ["null", "float"]}, "chipsf": {"doc": "Reduced chi-square for PSF-fit", "type": ["null", "float"]}, "classtar": {"doc": "Star/Galaxy classification score from SExtractor", "type": ["null", "float"]}, "clrcoeff": {"doc": "Color coefficient from linear fit from photometric calibration of science image", "type": ["null", "float"]}, "clrcounc": {"doc": "Color coefficient uncertainty from linear fit (corresponding to clrcoeff)", "type": ["null", "float"]}, "clrmed": {"doc": "Median color of all PS1 photometric calibrators used from science image processing [mag]: for filter (fid) = 1, 2, 3, PS1 color used = g-r, g-r, r-i respectively", "type": ["null", "float"]}, "clrrms": {"doc": "RMS color (deviation from average) of all PS1 photometric calibrators used from science image processing [mag]", "type": ["null", "float"]}, "dec": {"doc": "Declination of candidate; J2000 [deg]", "type": "double"}, "decnr": {"doc": "Declination of nearest source in reference image PSF-catalog; J2000 [deg]", "type": "double"}, "diffmaglim": {"doc": "Expected 5-sigma mag limit in difference image based on global noise estimate [mag]", "type": ["null", "float"]}, "distnr": {"doc": "distance to nearest source in reference image PSF-catalog [pixels]", "type": ["null", "float"]}, "distpsnr1": {"doc": "Distance to closest source from PS1 catalog; if exists within 30 arcsec [arcsec]", "type": ["null", "float"]}, "distpsnr2": {"doc": "Distance to second closest source from PS1 catalog; if exists within 30 arcsec [arcsec]", "type": ["null", "float"]}, "distpsnr3": {"doc": "Distance to third closest source from PS1 catalog; if exists within 30 arcsec [arcsec]", "type": ["null", "float"]}, "drb": {"doc": "RealBogus quality score from Deep-Learning-based classifier; range is 0 to 1 where closer to 1 is more reliable", "type": ["null", "float"]}, "drbversion": {"doc": "version of Deep-Learning-based classifier model used to assign RealBogus (drb) quality score", "type": "string"}, "dsdiff": {"doc": "Difference of statistics: dsnrms - ssnrms", "type": ["null", "float"]}, "dsnrms": {"doc": "Ratio: D/stddev(D) on event position where D = difference image", "type": ["null", "float"]}, "elong": {"doc": "Ratio: aimage / bimage", "type": ["null", "float"]}, "exptime": {"doc": "Integration time of camera exposure [sec]", "type": ["null", "float"]}, "fid": {"doc": "Filter ID (1=g; 2=R; 3=i)", "type": "int"}, "field": {"doc": "ZTF field ID", "type": ["null", "int"]}, "fink_broker_version": {"doc": "Fink broker (fink-broker) version used to process the data", "type": "string"}, "fink_science_version": {"doc": "Science modules (fink-science) version used to process the data", "type": "string"}, "fwhm": {"doc": "Full Width Half Max assuming a Gaussian core, from SExtractor [pixels]", "type": ["null", "float"]}, "isdiffpos": {"doc": "t or 1 => candidate is from positive (sci minus ref) subtraction; f or 0 => candidate is from negative (ref minus sci) subtraction", "type": "string"}, "jd": {"doc": "Observation Julian date at start of exposure [days]", "type": "double"}, "jdendhist": {"doc": "Latest Julian date of epoch corresponding to ndethist [days]", "type": ["null", "double"]}, "jdendref": {"doc": "Observation Julian date of latest exposure used to generate reference image [days]", "type": "double"}, "jdstarthist": {"doc": "Earliest Julian date of epoch corresponding to ndethist [days]", "type": ["null", "double"]}, "jdstartref": {"doc": "Observation Julian date of earliest exposure used to generate reference image [days]", "type": "double"}, "magap": {"doc": "Aperture mag using 14 pixel diameter aperture [mag]", "type": ["null", "float"]}, "magapbig": {"doc": "Aperture mag using 18 pixel diameter aperture [mag]", "type": ["null", "float"]}, "magdiff": {"doc": "Difference: magap - magpsf [mag]", "type": ["null", "float"]}, "magfromlim": {"doc": "Difference: diffmaglim - magap [mag]", "type": ["null", "float"]}, "maggaia": {"doc": "Gaia (G-band) magnitude of closest source from Gaia DR1 catalog irrespective of magnitude; if exists within 90 arcsec [mag]", "type": ["null", "float"]}, "maggaiabright": {"doc": "Gaia (G-band) magnitude of closest source from Gaia DR1 catalog brighter than magnitude 14; if exists within 90 arcsec [mag]", "type": ["null", "float"]}, "magnr": {"doc": "magnitude of nearest source in reference image PSF-catalog [mag]", "type": ["null", "float"]}, "magpsf": {"doc": "Magnitude from PSF-fit photometry [mag]", "type": "float"}, "magzpsci": {"doc": "Magnitude zero point for photometry estimates [mag]", "type": ["null", "float"]}, "magzpscirms": {"doc": "RMS (deviation from average) in all differences between instrumental photometry and matched photometric calibrators from science image processing [mag]", "type": ["null", "float"]}, "magzpsciunc": {"doc": "Magnitude zero point uncertainty (in magzpsci) [mag]", "type": ["null", "float"]}, "mindtoedge": {"doc": "Distance to nearest edge in image [pixels]", "type": ["null", "float"]}, "nbad": {"doc": "number of prior-tagged bad pixels in a 5 x 5 pixel stamp", "type": ["null", "int"]}, "ncovhist": {"doc": "Number of times input candidate position fell on any field and readout-channel going back to beginning of survey", "type": "int"}, "ndethist": {"doc": "Number of spatially-coincident detections falling within 1.5 arcsec going back to beginning of survey; only detections that fell on the same field and readout-channel ID where the input candidate was observed are counted. All raw detections down to a photometric S/N of ~ 3 are included.", "type": "int"}, "neargaia": {"doc": "Distance to closest source from Gaia DR1 catalog irrespective of magnitude; if exists within 90 arcsec [arcsec]", "type": ["null", "float"]}, "neargaiabright": {"doc": "Distance to closest source from Gaia DR1 catalog brighter than magnitude 14; if exists within 90 arcsec [arcsec]", "type": ["null", "float"]}, "nframesref": {"doc": "Number of frames (epochal images) used to generate reference image", "type": "int"}, "nid": {"doc": "Night ID", "type": ["null", "int"]}, "nmatches": {"doc": "Number of PS1 photometric calibrators used to calibrate science image from science image processing", "type": "int"}, "nmtchps": {"doc": "Number of source matches from PS1 catalog falling within 30 arcsec", "type": "int"}, "nneg": {"doc": "number of negative pixels in a 5 x 5 pixel stamp", "type": ["null", "int"]}, "objectId": {"doc": "object identifier or name", "type": "string"}, "objectidps1": {"doc": "Object ID of closest source from PS1 catalog; if exists within 30 arcsec", "type": ["null", "long"]}, "objectidps2": {"doc": "Object ID of second closest source from PS1 catalog; if exists within 30 arcsec", "type": ["null", "long"]}, "objectidps3": {"doc": "Object ID of third closest source from PS1 catalog; if exists within 30 arcsec", "type": ["null", "long"]}, "pdiffimfilename": {"doc": "filename of positive (sci minus ref) difference image", "type": ["null", "string"]}, "pid": {"doc": "Processing ID for science image to facilitate archive retrieval", "type": "long"}, "programid": {"doc": "Program ID: encodes either public, collab, or caltech mode", "type": "int"}, "programpi": {"doc": "Principal investigator attached to program ID", "type": ["null", "string"]}, "publisher": {"doc": "origin of alert packet", "type": "string"}, "ra": {"doc": "Right Ascension of candidate; J2000 [deg]", "type": "double"}, "ranr": {"doc": "Right Ascension of nearest source in reference image PSF-catalog; J2000 [deg]", "type": "double"}, "rb": {"doc": "RealBogus quality score from Random Forest classifier; range is 0 to 1 where closer to 1 is more reliable", "type": ["null", "float"]}, "rbversion": {"doc": "version of Random Forest classifier model used to assign RealBogus (rb) quality score", "type": "string"}, "rcid": {"doc": "Readout channel ID [00 .. 63]", "type": ["null", "int"]}, "rfid": {"doc": "Processing ID for reference image to facilitate archive retrieval", "type": "long"}, "schemavsn": {"doc": "schema version used", "type": "string"}, "scorr": {"doc": "Peak-pixel signal-to-noise ratio in point source matched-filtered detection image", "type": ["null", "double"]}, "seeratio": {"doc": "Ratio: difffwhm / fwhm", "type": ["null", "float"]}, "sgmag1": {"doc": "g-band PSF-fit magnitude of closest source from PS1 catalog; if exists within 30 arcsec [mag]", "type": ["null", "float"]}, "sgmag2": {"doc": "g-band PSF-fit magnitude of second closest source from PS1 catalog; if exists within 30 arcsec [mag]", "type": ["null", "float"]}, "sgmag3": {"doc": "g-band PSF-fit magnitude of third closest source from PS1 catalog; if exists within 30 arcsec [mag]", "type": ["null", "float"]}, "sgscore1": {"doc": "Star/Galaxy score of closest source from PS1 catalog; if exists within 30 arcsec: 0 <= sgscore <= 1 where closer to 1 implies higher likelihood of being a star", "type": ["null", "float"]}, "sgscore2": {"doc": "Star/Galaxy score of second closest source from PS1 catalog; if exists within 30 arcsec: 0 <= sgscore <= 1 where closer to 1 implies higher likelihood of being a star", "type": ["null", "float"]}, "sgscore3": {"doc": "Star/Galaxy score of third closest source from PS1 catalog; if exists within 30 arcsec: 0 <= sgscore <= 1 where closer to 1 implies higher likelihood of being a star", "type": ["null", "float"]}, "sharpnr": {"doc": "DAOPhot sharp parameter of nearest source in reference image PSF-catalog", "type": ["null", "float"]}, "sigmagap": {"doc": "1-sigma uncertainty in magap [mag]", "type": ["null", "float"]}, "sigmagapbig": {"doc": "1-sigma uncertainty in magapbig [mag]", "type": ["null", "float"]}, "sigmagnr": {"doc": "1-sigma uncertainty in magnr [mag]", "type": ["null", "float"]}, "sigmapsf": {"doc": "1-sigma uncertainty in magpsf [mag]", "type": "float"}, "simag1": {"doc": "i-band PSF-fit magnitude of closest source from PS1 catalog; if exists within 30 arcsec [mag]", "type": ["null", "float"]}, "simag2": {"doc": "i-band PSF-fit magnitude of second closest source from PS1 catalog; if exists within 30 arcsec [mag]", "type": ["null", "float"]}, "simag3": {"doc": "i-band PSF-fit magnitude of third closest source from PS1 catalog; if exists within 30 arcsec [mag]", "type": ["null", "float"]}, "sky": {"doc": "Local sky background estimate [DN]", "type": ["null", "float"]}, "srmag1": {"doc": "r-band PSF-fit magnitude of closest source from PS1 catalog; if exists within 30 arcsec [mag]", "type": ["null", "float"]}, "srmag2": {"doc": "r-band PSF-fit magnitude of second closest source from PS1 catalog; if exists within 30 arcsec [mag]", "type": ["null", "float"]}, "srmag3": {"doc": "r-band PSF-fit magnitude of third closest source from PS1 catalog; if exists within 30 arcsec [mag]", "type": ["null", "float"]}, "ssdistnr": {"doc": "distance to nearest known solar system object if exists within 30 arcsec [arcsec]", "type": ["null", "float"]}, "ssmagnr": {"doc": "magnitude of nearest known solar system object if exists within 30 arcsec (usually V-band from MPC archive) [mag]", "type": ["null", "float"]}, "ssnamenr": {"doc": "name of nearest known solar system object if exists within 30 arcsec (from MPC archive)", "type": ["null", "string"]}, "ssnrms": {"doc": "Ratio: S/stddev(S) on event position where S = image of convolution: D (x) PSF(D)", "type": ["null", "float"]}, "sumrat": {"doc": "Ratio: sum(pixels) / sum(|pixels|) in a 5 x 5 pixel stamp where stamp is first median-filtered to mitigate outliers", "type": ["null", "float"]}, "szmag1": {"doc": "z-band PSF-fit magnitude of closest source from PS1 catalog; if exists within 30 arcsec [mag]", "type": ["null", "float"]}, "szmag2": {"doc": "z-band PSF-fit magnitude of second closest source from PS1 catalog; if exists within 30 arcsec [mag]", "type": ["null", "float"]}, "szmag3": {"doc": "z-band PSF-fit magnitude of third closest source from PS1 catalog; if exists within 30 arcsec [mag]", "type": ["null", "float"]}, "tblid": {"doc": "Internal pipeline table extraction ID", "type": ["null", "long"]}, "tooflag": {"doc": "1 => candidate is from a Target-of-Opportunity (ToO) exposure; 0 => candidate is from a non-ToO exposure", "type": ["null", "int"]}, "xpos": {"doc": "x-image position of candidate [pixels]", "type": ["null", "float"]}, "ypos": {"doc": "y-image position of candidate [pixels]", "type": ["null", "float"]}, "zpclrcov": {"doc": "Covariance in magzpsci and clrcoeff from science image processing [mag^2]", "type": ["null", "float"]}, "zpmed": {"doc": "Magnitude zero point from median of all differences between instrumental photometry and matched photometric calibrators from science image processing [mag]", "type": ["null", "float"]}}}