| Show | Sort | Column | Constraint | Explain (UCD) |
| | | recno | | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD) |
| | | ID | | The unique identifier for each polarized component (cat_id) (meta.id;meta.main) (ID_MAIN) |
| | | RAJ2000 | deg | (i) Right Ascension of the polarized component (J2000) (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
| | | DEJ2000 | deg | (i) Declination of the polarized component (J2000) (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
| | | RM | rad/m2 | Faraday rotation measure value at peak of Faraday dispersion function excluding sources due to instrumental polarization as seen in section 2.2 (rm) (phys.polarization.rotMeasure) (POL_ROTATION) |
| | | e_RM | rad/m2 | Uncertainty in the peak RM including some systematic errors (rm_err) (stat.error) (ERROR) |
| | | errRM | rad/m2 | Uncertainty in the peak RM value based only on the signal-to-noise ratio (rmerrsnr) (stat.value;stat.max) (ERROR) |
| | | PIlin | Jy/beam | Linear polarization intensity at the reference frequency after correction for polarization bias (polint) (phot.flux.density) (POL_FLUX_LINEAR) |
| | | e_PIlin | Jy/beam | Uncertainty in the linear polarization intensity (polint_err) (stat.error) (ERROR) |
| | | FracP | | Fractional linear polarization of the polarized component (fracpol) (phot.flux.density;arith.ratio;em.radio.100-200MHz) (PHOT_FLUX_RATIO) |
| | | e_FracP | | Uncertainty in the fractional linear polarization (fracpol_err) (stat.error) (ERROR) |
ALL cols | | | |
| | | I | Jy/beam | Total intensity at the position of the polarized component (stokesI) (phys.polarization.stokes) (POL_STOKES_I) |
| | | e_I | Jy/beam | Uncertainty in the total intensity (stokesI_err) (stat.error) (ERROR) |
| | | FPlin | Hz | Reference frequency for the linear polarization quantities (reffreq_pol) (em.freq) (OBS_FREQUENCY) |
| | | Ftot | Hz | Reference frequency for the total intensity values (reffreq_I) (em.freq) (OBS_FREQUENCY) |
| | | FWHM | rad/m2 | Full width at half maximum of the RMSF rotation measure spread function (rmsf_fwhm) (phys.polarization.rotMeasure) (POL_ROTATION) |
| | | Field | (char) | LoTSS sky are field name (field) (meta.id) (ID_FIELD) |
| | | Xpos | pix | The x-pixel coordinate within an individual LoTSS field ranging from 0 to 3200 for a pixel width of 4.5 arcsec (x) (pos.cartesian.x;instr.plate) (POS_PLATE_X) |
| | | Ypos | pix | The y-pixel coordinate within an individual LoTSS field, ranging from 0 to 3200 for a pixel height of 4.5 arcsec (y) (pos.cartesian.y;instr.plate) (POS_PLATE_Y) |
| | | snrMAD | | SNR of polarization intensity computed with MAD median absolute deviation of RM values (snrRMtoolsMAD) (stat.snr) (INST_S/N) |
| | | Ang | deg | Electric vector polarization angle (angle) (pos.posAng;phys.polarization) (POL_PA_MISC) |
| | | RANdeg | deg | (n) Right Ascension from NVSS Condon et al. 1998AJ....115.1693C, Cat.VIII/65 (RA_NVSS) (J2000) (RA_NVSS) (Note 5)
(pos.eq.ra) (POS_EQ_RA_OTHER) |
| | | DENdeg | deg | (n) Declination from NVSS Condon et al. 1998AJ....115.1693C, Cat. VIII/65 of the (J2000) (DEC_NVSS) (Note 5)
(pos.eq.dec) (POS_EQ_DEC_OTHER) |
| | | NVSSRM | rad/m2 | (n) Faraday rotation measure value taken from NVSS Condon et al. 1998AJ....115.1693C, Cat.VIII/65 (NVSS_RM) (phys.polarization.rotMeasure) (POL_ROTATION) |
ALL cols | | | |
| | | e_NVSSRM | rad/m2 | (n) The 1{sigma} error of NVSSRM (NVSSRMerr) (stat.error) (ERROR) |
| | | INVSS | mJy | (n) Integrated Stokes I parameter flux density from NVSS Condon et al. 1998AJ....115.1693C, Cat. VIII/65 (I_NVSS) (phot.flux.density;em.radio.750-1500MHz) (POL_STOKES_I) |
| | | PkNVSS | mJy | (n) Average peak polarized intensity from NVSS Condon et al. 1998AJ....115.1693C, Cat. VIII/65 (P_NVSS) (phot.flux.density;em.radio.750-1500MHz) (POL_FLUX_LINEAR) |
| | | mNVSS | mJy | (n) 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) (phot.flux.density;arith.ratio;em.radio.750-1500MHz) (PHOT_FLUX_RATIO) |
| | | Sep | arcsec | (n) Angular separation between LOFAR and NVSS positions (Separation_NVSS) (pos.angDistance) (POS_ANG_DIST_GENERAL) |
| | | GLON | deg | Galactic Longitude of the polarized component (l) (pos.galactic.lon) (POS_GAL_LON) |
| | | GLAT | deg | Galactic Latitude of the polarized component (b) (pos.galactic.lat) (POS_GAL_LAT) |
| | | RRM | rad/m2 | The residual RM after subtraction of the Galactic RM as RM-GRM usefull when RM is dominated by GRM (RRM) (phys.polarization.rotMeasure) (POL_ROTATION) |
| | | GRM | rad/m2 | The Galactic RM (GRM) (phys.polarization.rotMeasure) (POL_ROTATION) |
| | | e_GRM | rad/m2 | Error of GRM (GRMerr) (stat.error) (ERROR) |
| | | LGZ | arcsec | (n) Largest angular size estimated from visual inspection (LGZ_Size) (phys.angSize;stat.max) (EXTENSION_DIAM) |
| | | rmag | mag | (n) Optical r band magnitude from Optical identification with LEGACY optical (MAG_R) (phot.mag;em.opt.R) (PHOT_SDSS_R) |
| | | W1mag | mag | (n) The Wise W1 infrared magnitude (MAG_W1) (phot.mag;em.IR.3-4um) (PHOT_IR_3.4) |
ALL cols | | | |
| | | W2mag | mag | (n) The Wise W2 infrared magnitude (MAG_W2) (phot.mag;em.IR.4-8um) (PHOT_IR_4.2) |
| | | zph | | (n) Photometric redshift of the host galaxies (zphot) (Note 6)
(src.redshift) (REDSHIFT_PHOT) |
| | | e_zph | | (n) Error of zph (zphot_err) (stat.error) (ERROR) |
| | | ErrPos | | Positional uncertainty (pos_err) (stat.error;pos) (ERROR) |
| | | RAgh | h | (n) Right ascension of the host galaxy (J2000) (lgz_ra) (pos.eq.ra) (POS_EQ_RA_OTHER) |
| | | RAgm | min | (n) Right ascension of the host galaxy (J2000) (lgz_ra) (pos.eq.ra) (POS_EQ_RA_OTHER) |
| | | RAgs | s | (n) Right Ascension of the host galaxy (J2000) (lgz_ra) (pos.eq.ra) (POS_EQ_RA_OTHER) |
| | | DEg- | (char) | Declination sign of the host galaxy (J2000) (lgz_ra) (pos.eq.dec) (POS_EQ_DEC_OTHER) |
| | | DEgd | deg | (n) Declination of the host galaxy (J2000) (lgz_ra) (pos.eq.dec) (POS_EQ_DEC_OTHER) |
| | | DEgm | arcmin | (n) Declination of the host galaxy (J2000) (lgz_ra) (pos.eq.dec) (POS_EQ_DEC_OTHER) |
| | | DEgs | arcsec | (n) Declination of the host galaxy (J2000) (lgz_ra) (pos.eq.dec) (POS_EQ_DEC_OTHER) |
| | | f_zbest | | (n) A value of 0/1 corresponds to a photometric/spectroscopic redshift in zbest (photspecz_best) (meta.code) (CODE_MISC) |
| | | RAgdeg | deg | (n) Right ascension of the host galaxy (lgzradeg) (pos.eq.ra) (POS_EQ_RA_OTHER) |
ALL cols | | | |
| | | DEgdeg | deg | (n) Declination of the host galaxy (lgzdecdeg) (pos.eq.dec) (POS_EQ_DEC_OTHER) |
| | | zbest | | (n) Redshift of host galaxy spectroscopic if available otherwise photometric (z_best) (src.redshift.phot) (REDSHIFT_PHOT) |
| | | PIori | Jy/beam | The original polarized intensity from selection of candidate sources as described in section 2.2 (p_orig) (phot.flux.density) (POL_FLUX_LINEAR) |
| | | SNRori | | The signal-to-noise ratio in polarization from original selection of candidate sources (snr_orig) (stat.snr;phys.polarization) (INST_S/N) |
| | | Phimax | deg | (n) The maximum observed polarization angle (phi_max) (pos.posAng;phys.polarization) (POL_PA_MISC) |
| | | Nbr | | The number of images used for RM measures (num) (meta.number) (NUMBER) |
| | | RMmed | rad/m2 | Median value of faraday rotation measure (medRM) (phys.polarization.rotMeasure;stat.median) (POL_ROTATION) |
| | | RMmad | rad/m2 | The median absolute deviation of RM values (madRM) (phys.polarization.rotMeasure) (POL_ROTATION) |
| | | FrPmed | | Median of fractional linear polarization values (medfpol) (phot.flux.density;arith.ratio;em.radio.100-200MHz) (PHOT_FLUX_RATIO) |
| | | FrPmad | | The median absolute deviation of fractional linear polarization values (madfpol) (phot.flux.density;arith.ratio;em.radio.100-200MHz) (PHOT_FLUX_RATIO) |
| | | RAcdeg | deg | Right ascension of the centre of the field (J2000) (ra_centre) (pos.eq.ra) (POS_EQ_RA_OTHER) |
| | | DEcdeg | deg | Declination of the centre of the field (J2000) (dec_centre) (pos.eq.dec) (POS_EQ_DEC_OTHER) |
| | | BeamD | deg | (n) Distance of the polarized component from the centre of the field (beamdist) (pos.angDistance) (POS_ANG_DIST_GENERAL) |
ALL cols | | | |
| | | BibCode | (char) | The bibcode of this study (catalog_name) (meta.bib.bibcode) (REFER_BIBCODE) |
| | | Stokes | (char) | Stokes parameter complex U flag which is always used (complex_flag) (meta.code) (CODE_MISC) |
| | | Method | (char) | The method used as RM synthesis technique was applied on the Q and U images using pyrmsynth which is always used (rm_method) (meta.code) (CODE_MISC) |
| | | Iono | (char) | Flag indicates RM-extract for ionosphere RM correction is desirable since the error are dominated by this residual errors (ionosphere) (meta.code) (CODE_MISC) |
| | | Nc | | Number of components in source extraction which is always one (Ncomp) (meta.number) (NUMBER) |
| | | BibBias | (char) | The BibCode for polarized intensity image corrected of polarization bias as George et al. 2012PASA...29..214G (pol_bias) (meta.bib.bibcode) (REFER_BIBCODE) |
| | | FType | (char) | Flux type which is always a peak (flux_type) (meta.code) (CODE_MISC) |
| | | Bmaj | deg | The beam major axis (beam_maj) (Note 7)
(phys.angSize;instr.beam) (EXTENSION_RAD) |
| | | Bmin | deg | The beam minor axis (beam_min) (Note 7)
(phys.angSize;instr.beam) (EXTENSION_MIN) |
| | | BPA | deg | The beam position angle axis (beam_pa) (Note 7)
(pos.posAng;instr.beam) (POS_POS-ANG) |
| | | MinFreq | Hz | LoTSS-DR2 observational minimum frequency is 120 MHz (minfreq) (em.freq;stat.min) (OBS_FREQUENCY) |
| | | MaxFreq | Hz | LoTSS-DR2 observational maximum frequency is 168 MHz (maxfreq) (em.freq;stat.max) (OBS_FREQUENCY) |
| | | BWidth | Hz | The channel image bandwidth is 97.6 kHz (channelwidth) (instr.bandwidth) (INST_BANDWIDTH) |
ALL cols | | | |
| | | Nchan | | The number of Stokes Q and U image planes or channels used in RM synthesis (Nchan) (meta.number) (NUMBER) |
| | | Noise | Jy/beam | The median noise of the Stokes Q and U image planes (noise_chan) (phys.polarization.stokes;stat.median) (INST_NOISE) |
| | | Inst | (char) | Telescope used is LOFAR (telescope) (meta.id;instr.tel) (TEL_ID) |
| | | Time | s | Integrated time of observation is 28800 (int_time) (time.expo) (TIME_EXPTIME) |
| | | MJD | d | The MJD for the observation of the corresponding LoTSS field (epoch) (Note 1)
(time.epoch) (TIME_DATE) |
| | | dT | d | Observational time interval (obs_interval) (Note 2)
(time.interval) (TIME_INTERVAL) |
| | | Leak | | Instrumental leakage estimate (leakage) (Note 3)
(instr.det.noise) (INST_NOISE) |
| | | Ref | (char) | The 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.bibcode) (REFER_CODE) |
| | | LDR2 | (char) | The 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 (SourcenameDR2) (meta.id.assoc) (ID_ASSOCIATED) |
| | | RADR2deg | | (n) Right ascension from PyBDSF or combination of PyBDSF components of LoTSS-DR2 (J2000) (RA_DR2) (pos.eq.ra) (POS_EQ_RA_OTHER) |
| | | DEDR2deg | | (n) Declination from PyBDSF or combination of PyBDSF components of LoTSS-DR2 (J2000) (DEC_DR2) (pos.eq.dec) (POS_EQ_DEC_OTHER) |
| | | e_RADR2deg | | (n) RMS uncertainty on RADR2deg errors estimated by PyBDSF where only fitting uncertainties are included (ERADR2) (stat.error) (ERROR) |
| | | e_DEDR2deg | | (n) RMS uncertainty on DEDR2deg errors estimated by PyBDSF where only fitting uncertainties are included (EDECDR2) (stat.error) (ERROR) |
ALL cols | | | |
| | | SpeakTot | Jy | (n) The total integrated Stokes I flux density of the source at the reference frequency from LoTSS-DR2 (TotalfluxDR2) (phot.flux.density;em.radio.100-200MHz) (PHOT_FLUX_RADIO_150M) |
| | | e_SpeakTot | Jy | (n) The 1-sigma error on SpeakTot (ETotalflux_DR2) (stat.error) (ERROR) |
| | | MajDR2 | arcsec | (n) Major axis size of the source from LoTSS-DR2 (Maj_DR2) (phys.angSize) (EXTENSION_DIAM) |
| | | MinDR2 | arcsec | (n) Minor axis size of the source from LoTSS-DR2 (Min_DR2) (phys.angSize;src) (EXTENSION_MIN) |
| | | PADR2 | deg | (n) Position angle of the source from LoTSS-DR2 (PA_DR2) (pos.posAng) (POS_POS-ANG) |
| | | L144 | W/Hz | (n) Estimate of the luminosity at 144 MHz (L144) (phys.luminosity;em.radio.100-200MHz) (SPECT_LUMINOSITY) |
| | | Size | kpc | (n) Estimate of the projected largest linear size (linearsize_kpc) (phys.size;stat.max) (PHYS_SIZE_DIAM) |
| | | RRM1d | | The RRM after subtraction of the average GRM with a disc of diameter 1° (RRM2022_1deg) (Note 4)
(phys.polarization.rotMeasure) (POL_ROTATION) |
| | | GRM1d | | The average GRM with a disc of diameter 1° (GRM2022_1deg) (phys.polarization.rotMeasure) (POL_ROTATION) |
| | | e_GRM1d | | The uncertainty in the average GRM1d (GRMerr2022_1deg) (stat.error) (ERROR) |
| | | Blazar | (char) | Name 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.assoc) (ID_ASSOCIATED) |
| | | Duncan21 | | (n)Display the LoTSS Deep Fields DR1 of Duncan et al. 2021A&A...648A...4D, Cat. J/A+A/648/A4 (meta.ref.url) (DATA_LINK) |
| | | Shimwell19 | | (n)Display the LoTSS-DR1 source catalog of Shimwell et al. 2019A&A...622A...1S, Cat. J/A+A/622/A1 (meta.ref.url) (DATA_LINK) |
| | | Shimwell17 | | (n)Display the LoTSS PDR 120-168MHz sources of Shimwell et al. 2017A&A...598A.104S, Cat. J/A+A/598/A104 (meta.ref.url) (DATA_LINK) |
| | | NVSS | | Display the NVSS rotation measure catalog of Taylor et al. 2009ApJ...702.1230T, Cat. J/ApJ/702/1230 (meta.ref.url) (DATA_LINK) |
ALL cols | | | |