J/MNRAS/519/5723/rmcat*The final LoTSS RM Grid catalogue of polarized componentsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintGLATGalactic Latitude of the polarized component (b)degpos.galactic.latdoubleMajDR2? Major axis size of the source from LoTSS-DR2 (Maj_DR2)arcsecphys.angSizedoublenullableIDThe unique identifier for each polarized component (cat_id)meta.id;meta.mainintRAJ2000Right Ascension of the polarized component (J2000) (ra)degpos.eq.ra;meta.mainDEJ2000Declination of the polarized component (J2000) (dec)degpos.eq.dec;meta.mainRMFaraday rotation measure value at peak of Faraday dispersion function excluding sources due to instrumental polarization as seen in section 2.2 (rm)rad.m**-2phys.polarization.rotMeasuredoubleFTypeFlux type which is always a peak (flux_type)meta.codechare_RMUncertainty in the peak RM including some systematic errors (rm_err)rad.m**-2stat.errorfloaterrRMUncertainty in the peak RM value based only on the signal-to-noise ratio (rm_err_snr)rad.m**-2stat.value;stat.maxfloatPIlinLinear polarization intensity at the reference frequency after correction for polarization bias (polint)Jy/beamphot.flux.densitydoublee_PIlinUncertainty in the linear polarization intensity (polint_err)Jy/beamstat.errordoubleFracPFractional linear polarization of the polarized component (fracpol)phot.flux.density;arith.ratio;em.radio.100-200MHzdoublee_FracPUncertainty in the fractional linear polarization (fracpol_err)stat.errordoubleITotal intensity at the position of the polarized component (stokesI)Jy/beamphys.polarization.stokesdoublee_IUncertainty in the total intensity (stokesI_err)Jy/beamstat.errordoubleFPlinReference frequency for the linear polarization quantities (reffreq_pol)Hzem.freqdoubleFtotReference frequency for the total intensity values (reffreq_I)Hzem.freqdoubleFWHMFull width at half maximum of the RMSF rotation measure spread function (rmsf_fwhm)rad.m**-2phys.polarization.rotMeasurefloatXposThe x-pixel coordinate within an individual LoTSS field ranging from 0 to 3200 for a pixel width of 4.5 arcsec (x)pixpos.cartesian.x;instr.plateintYposThe y-pixel coordinate within an individual LoTSS field, ranging from 0 to 3200 for a pixel height of 4.5 arcsec (y)pixpos.cartesian.y;instr.plateintsnrMADSNR of polarization intensity computed with MAD median absolute deviation of RM values (snr_RMtools_MAD)stat.snrdoubleAngElectric vector polarization angle (angle)degpos.posAng;phys.polarizationfloatRANdeg? Right Ascension from NVSS Condon et al. 1998AJ....115.1693C, Cat.VIII/65 (RA_NVSS) (J2000) (RA_NVSS) (5)degpos.eq.ranullableDENdeg? Declination from NVSS Condon et al. 1998AJ....115.1693C, Cat. VIII/65 of the (J2000) (DEC_NVSS) (5)degpos.eq.decnullableNVSSRM? Faraday rotation measure value taken from NVSS Condon et al. 1998AJ....115.1693C, Cat.VIII/65 (NVSS_RM)rad.m**-2phys.polarization.rotMeasurefloatnullablee_NVSSRM? The 1{sigma} error of NVSSRM (NVSS_RM_err)rad.m**-2stat.errorfloatnullableINVSS? Integrated Stokes I parameter flux density from NVSS Condon et al. 1998AJ....115.1693C, Cat. VIII/65 (I_NVSS)mJyphot.flux.density;em.radio.750-1500MHzfloatnullablePkNVSS? Average peak polarized intensity from NVSS Condon et al. 1998AJ....115.1693C, Cat. VIII/65 (P_NVSS)mJyphot.flux.density;em.radio.750-1500MHzfloatnullablemNVSS? Percent polarization as ratio of peak polarized intensity to peak Stokes I from NVSS Condon et al. 1998AJ....115.1693C, Cat. VIII/65 (PI_NVSS)mJyphot.flux.density;arith.ratio;em.radio.750-1500MHzfloatnullableSep? Angular separation between LOFAR and NVSS positions (Separation_NVSS)arcsecpos.angDistancedoublenullableGLONGalactic Longitude of the polarized component (l)degpos.galactic.lonRRMThe residual RM after subtraction of the Galactic RM as RM-GRM usefull when RM is dominated by GRM (RRM)rad.m**-2phys.polarization.rotMeasuredoubleGRMThe Galactic RM (GRM)rad.m**-2phys.polarization.rotMeasuredoublee_GRMError of GRM (GRMerr)rad.m**-2stat.errordoubleLGZ? Largest angular size estimated from visual inspection (LGZ_Size)arcsecphys.angSize;stat.maxdoublenullablermag? Optical r band magnitude from Optical identification with LEGACY optical (MAG_R)magphot.mag;em.opt.RdoublenullableW1mag? The Wise W1 infrared magnitude (MAG_W1)magphot.mag;em.IR.3-4umdoublenullableW2mag? The Wise W2 infrared magnitude (MAG_W2)magphot.mag;em.IR.4-8umdoublenullablezph? Photometric redshift of the host galaxies (zphot) (6)src.redshiftdoublenullablee_zph? Error of zph (zphot_err)stat.errordoublenullableErrPosPositional uncertainty (pos_err)stat.error;posdoubleRAgh? Right ascension of the host galaxy (J2000) (lgz_ra)hpos.eq.ranullableRAgm? Right ascension of the host galaxy (J2000) (lgz_ra)minpos.eq.ranullableRAgs? Right Ascension of the host galaxy (J2000) (lgz_ra)spos.eq.ranullableDEg-? Declination sign of the host galaxy (J2000) (lgz_ra)pos.eq.deccharDEgd? Declination of the host galaxy (J2000) (lgz_ra)degpos.eq.decnullableDEgm? Declination of the host galaxy (J2000) (lgz_ra)arcminpos.eq.decnullableDEgs? Declination of the host galaxy (J2000) (lgz_ra)arcsecpos.eq.decnullablef_zbest? A value of 0/1 corresponds to a photometric/spectroscopic redshift in zbest (phot_spec_z_best)meta.codeintnullableRAgdeg? Right ascension of the host galaxy (lgz_ra_deg)degpos.eq.ranullableDEgdeg? Declination of the host galaxy (lgz_dec_deg)degpos.eq.decnullablezbest? Redshift of host galaxy spectroscopic if available otherwise photometric (z_best)src.redshift.photdoublenullablePIoriThe original polarized intensity from selection of candidate sources as described in section 2.2 (p_orig)Jy/beamphot.flux.densitydoubleSNRoriThe signal-to-noise ratio in polarization from original selection of candidate sources (snr_orig)stat.snr;phys.polarizationdoublePhimax? The maximum observed polarization angle (phi_max)degpos.posAng;phys.polarizationfloatnullableNbrThe number of images used for RM measures (num)meta.numberintRMmedMedian value of faraday rotation measure (medRM)rad.m**-2phys.polarization.rotMeasure;stat.medianfloatRMmadThe median absolute deviation of RM values (madRM)rad.m**-2phys.polarization.rotMeasurefloatFrPmedMedian of fractional linear polarization values (medfpol)phot.flux.density;arith.ratio;em.radio.100-200MHzfloatFrPmadThe median absolute deviation of fractional linear polarization values (madfpol)phot.flux.density;arith.ratio;em.radio.100-200MHzfloatRAcdegRight ascension of the centre of the field (J2000) (ra_centre)degpos.eq.raDEcdegDeclination of the centre of the field (J2000) (dec_centre)degpos.eq.decBeamD? Distance of the polarized component from the centre of the field (beamdist)degpos.angDistancefloatnullableBibCodeThe bibcode of this study (catalog_name)meta.bib.bibcodecharStokesStokes parameter complex U flag which is always used (complex_flag)meta.codecharNcNumber of components in source extraction which is always one (Ncomp)meta.numberintBmajThe beam major axis (beam_maj) (7)degphys.angSize;instr.beamdoubleBminThe beam minor axis (beam_min) (7)degphys.angSize;instr.beamdoubleBPAThe beam position angle axis (beam_pa) (7)degpos.posAng;instr.beamfloatMinFreqLoTSS-DR2 observational minimum frequency is 120 MHz (minfreq)Hzem.freq;stat.mindoubleMaxFreqLoTSS-DR2 observational maximum frequency is 168 MHz (maxfreq)Hzem.freq;stat.maxdoubleBWidthThe channel image bandwidth is 97.6 kHz (channelwidth)Hzinstr.bandwidthfloatNchanThe number of Stokes Q and U image planes or channels used in RM synthesis (Nchan)meta.numberintNoiseThe median noise of the Stokes Q and U image planes (noise_chan)Jy/beamphys.polarization.stokes;stat.mediandoubleTimeIntegrated time of observation is 28800 (int_time)stime.expofloatMJDThe MJD for the observation of the corresponding LoTSS field (epoch) (1)dtime.epochfloatdTObservational time interval (obs_interval) (2)dtime.intervaldoubleLeakInstrumental leakage estimate (leakage) (3)instr.det.noisefloatRADR2deg? Right ascension from PyBDSF or combination of PyBDSF components of LoTSS-DR2 (J2000) (RA_DR2)pos.eq.ranullableDEDR2deg? Declination from PyBDSF or combination of PyBDSF components of LoTSS-DR2 (J2000) (DEC_DR2)pos.eq.decnullablee_RADR2deg? RMS uncertainty on RADR2deg errors estimated by PyBDSF where only fitting uncertainties are included (E_RA_DR2)stat.errordoublenullablee_DEDR2deg? RMS uncertainty on DEDR2deg errors estimated by PyBDSF where only fitting uncertainties are included (E_DEC_DR2)stat.errordoublenullableSpeakTot? The total integrated Stokes I flux density of the source at the reference frequency from LoTSS-DR2 (Total_flux_DR2)Jyphot.flux.density;em.radio.100-200MHzdoublenullablee_SpeakTot? The 1-sigma error on SpeakTot (E_Total_flux_DR2)Jystat.errordoublenullableMinDR2? Minor axis size of the source from LoTSS-DR2 (Min_DR2)arcsecphys.angSize;srcdoublenullablePADR2? Position angle of the source from LoTSS-DR2 (PA_DR2)degpos.posAngdoublenullableL144? Estimate of the luminosity at 144 MHz (L144)W/Hzphys.luminosity;em.radio.100-200MHzdoublenullableSize? Estimate of the projected largest linear size (linearsize_kpc)kpcphys.size;stat.maxdoublenullableRRM1dThe RRM after subtraction of the average GRM with a disc of diameter 1{deg} (RRM2022_1deg) (4)phys.polarization.rotMeasuredoubleGRM1dThe average GRM with a disc of diameter 1{deg} (GRM2022_1deg)phys.polarization.rotMeasuredoublee_GRM1dThe uncertainty in the average GRM1d (GRMerr2022_1deg)stat.errordoubleDuncan21Display the LoTSS Deep Fields DR1 of Duncan et al. 2021A&A...648A...4D, Cat. J/A+A/648/A4meta.ref.urlintnullableShimwell19Display the LoTSS-DR1 source catalog of Shimwell et al. 2019A&A...622A...1S, Cat. J/A+A/622/A1meta.ref.urlintnullableShimwell17Display the LoTSS PDR 120-168MHz sources of Shimwell et al. 2017A&A...598A.104S, Cat. J/A+A/598/A104meta.ref.urlintnullableFieldLoTSS sky are field name (field)meta.idcharMethodThe method used as RM synthesis technique was applied on the Q and U images using pyrmsynth which is always used (rm_method)meta.codecharIonoFlag indicates RM-extract for ionosphere RM correction is desirable since the error are dominated by this residual errors (ionosphere)meta.codecharBibBiasThe BibCode for polarized intensity image corrected of polarization bias as George et al. 2012PASA...29..214G (pol_bias)meta.bib.bibcodecharInstTelescope used is LOFAR (telescope)meta.id;instr.telcharRefThe BibCode of reference literature of LOFAR two-metre sky survey V. DR2 from Shimwell et al. 2022A&A...659A...1S, Cat. J/A+A/659/A1 (dataref)meta.bib.bibcodecharLDR2The radio name of the source designation as ILTJHHMMSS.ss+DDMMSS.s from LoTSS-DR2 of Shimwell et al. 2022A&A...659A...1S, Cat. J/A+A/659/A1 (Source_name_DR2)meta.id.assoccharBlazarName designation as 5BZU/Q/G/B JHHMM+DDMM from ROMA-BZCAT of Massaro et al. 2015Ap&SS.357...75M, Cat. VII/274 (bzcat_name)meta.id.assoccharNVSSDisplay the NVSS rotation measure catalog of Taylor et al. 2009ApJ...702.1230T, Cat. J/ApJ/702/1230meta.ref.urlchar