ZTF Forced Photometry Response

ZTF Forced Photometry Model

Name	Type	Description
oid	integer	Object identifier
measurement_id	integer	Measurement unique identifier
pid	integer	Processing ID for image
mag	number	Forced photometry magnitude [mag]
e_mag	number	1-sigma uncertainty in magnitude [mag]
mag_corr	number	Corrected forced photometry magnitude [mag]
e_mag_corr	number	1-sigma uncertainty in corrected magnitude [mag]
e_mag_corr_ext	number	Error of corrected magnitude assuming contribution from extended component [mag]
isdiffpos	integer	1: candidate is from positive subtraction; -1: candidate is from negative subtraction
corrected	boolean	Whether the corrected photometry was applied
dubious	boolean	Whether the corrected photometry should be flagged
parent_candid	integer	Parent candid if alert coming from prv_detection (null if no parent)
has_stamp	boolean	Whether the detection has an associated image stamp triplet
field	integer	ZTF field identifier
rcid	integer	Readout channel ID
rfid	integer	Processing ID for reference image to facilitate archive retrieval
sciinpseeing	number	Effective FWHM of PSF in science image [arcsec]
scibckgnd	number	Background flux in science image [DN]
scisigpix	number	Robust sigma per pixel in science image [DN]
magzpsci	number	Magnitude zero point for photometry in science image [mag]
magzpsciunc	number	Uncertainty in magzpsci [mag]
magzpscirms	number	RMS scatter in magzpsci [mag]
clrcoeff	number	Color coefficient from linear fit
clrcounc	number	Uncertainty in clrcoeff
exptime	number	Exposure time [sec]
adpctdif1	number	Adaptative moment 1st order diff image
adpctdif2	number	Adaptative moment 2nd order diff image
diffmaglim	number	5-sigma mag limit in difference image [mag]
programid	integer	Program ID
procstatus	string	Processing status for image
distnr	number	Distance to nearest source in reference image PSF-catalog [arcsec]
ranr	number	Right Ascension of nearest source in reference image [deg]
decnr	number	Declination of nearest source in reference image [deg]
magnr	number	Magnitude of nearest source in reference image [mag]
sigmagnr	number	1-sigma uncertainty in magnr [mag]
chinr	number	DAOPhot chi parameter of nearest source in reference image
sharpnr	number	DAOPhot sharp parameter of nearest source in reference image