VizieR

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Simple Target List Of Targets Fast Xmatch with large catalogs or Simbad

Target Name (resolved by Sesame) or Position:	Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)	Radius Box size

	J/A+A/678/A151	-1		LoTSS DR2 optical IDs (Hardcastle+, 2023) ReadMe+ftp 2023A&A...678A.151H Similar Catalogs Post annotation
1.	J/A+A/678/A151/catalog		Value-added optical identification catalogue for LoTSS DR2 (4167359 rows) metaJ/A+A/678/A151/catalog

Simple Constraint List Of Constraints

Query by Constraints constraints help

applied on Columns (Output Order: + - )

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Column

Constraint

Explain (UCD)

recno

Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Source

(char)

Object identifier (ILT name) (Source_Name) (meta.id;meta.main)

RAJ2000

deg

⁽ⁱ⁾ Radio right ascension (mean position) (J2000) (RA) (pos.eq.ra;meta.main)

DEJ2000

deg

⁽ⁱ⁾ Radio declination (mean position) (J2000) (DEC) (pos.eq.dec;meta.main)

e_RAJ2000

arcsec

Error on radio right ascension (E_RA) (stat.error;pos.eq.ra)

e_DEJ2000

arcsec

Error on radio declination (E_DEC) (stat.error;pos.eq.dec)

Ftot

mJy

144-MHz total flux density (Total_flux) (phot.flux.density;em.radio.100-200MHz)

e_Ftot

mJy

Error on total flux density (E_Totalflux) (stat.error)

Fpeak

mJy/beam

144-MHz peak flux density (Peak_flux) (phot.flux.density;em.radio.100-200MHz)

e_Fpeak

mJy/beam

Error on peak flux density (E_Peakflux) (stat.error)

SCode

(char)

[SCMZ] PyBDSF source code or Z for composite source (S_Code) (Note 1) (meta.code)

ALL cols

⁽ⁱ⁾indexed column

MosaicID

(char)

LoTSS mosaic of source image (Mosaic_ID) (obs.image)

Maj

arcsec

⁽ⁿ⁾ Major axis of fitted Gaussian (Maj) (phys.angSize;meta.modelled)

Min

arcsec

⁽ⁿ⁾ Minor axis of fitted Gaussian (Min) (phys.angSize;src)

deg

⁽ⁿ⁾ Position angle of fitted Gaussian (PA) (pos.posAng;meta.modelled)

e_Maj

arcsec

⁽ⁿ⁾ Error on major axis (E_Maj) (stat.error)

e_Min

arcsec

⁽ⁿ⁾ Error on minor axis (E_Min) (stat.error;stat.min)

e_PA

deg

⁽ⁿ⁾ Error on position angle (E_PA) (stat.error)

DCMaj

arcsec

⁽ⁿ⁾ Deconvolved major axis of fitted Gaussian (DC_Maj) (phys.angSize.smajAxis)

DCMin

arcsec

⁽ⁿ⁾ Deconvolved minor axis of fitted Gaussian (DC_Min) (phys.angSize.sminAxis)

DCPA

deg

⁽ⁿ⁾ Deconvolved position angle of fitted Gaussian (DC_PA) (pos.posAng;meta.modelled)

Islrms

mJy/beam

rms noise in island (Isl_rms) (stat.stdev;instr.det.noise)

FlagW

[-1/23] Flag for workflow status (internal) (FLAG_WORKFLOW) (meta.code.error)

IDFlag

⁽ⁿ⁾ [-99/14] Flag for workflow status (internal) (ID_flag) (Note 2) (meta.code)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

PreFilt

[-99/14] Prefilter status (internal) (Prefilter) (Note 2) (meta.code)

PostFilt

[0/6] Postfilter status (internal) (Postfilter) (meta.code)

likefin

⁽ⁿ⁾ Final likelihood ratio value (internal) (lr_fin) (stat.likelihood)

RAOdeg

deg

⁽ⁿ⁾ Optical right ascension (J2000) (see r_RAOdeg) (optRA) (pos.eq.ra)

DEOdeg

deg

⁽ⁿ⁾ Optical declination (J2000) (see r_RAOdeg) (optDec) (pos.eq.dec)

CompSize

arcsec

⁽ⁿ⁾ Max size of convex hull surrounding components for composite sources (Composite_Size) (phys.angSize;src)

CompWidth

arcsec

⁽ⁿ⁾ Transverse size of convex hull surrounding components for composite sources (Composite_Width) (phys.angSize;src)

CompPA

deg

⁽ⁿ⁾ Position angle on the sky of longest axis of convex hull (Composite_PA) (pos.posAng;obs.field)

Assoc

Number of components used to form composite source (Assoc) (meta.number)

IDQual

⁽ⁿ⁾ Quality of association from RGZ(L) (ID_Qual) (meta.code.qual)

AssocQual

⁽ⁿ⁾ Quality of association from RGZ(L) (Assoc_Qual) (meta.code.qual)

BlendProb

⁽ⁿ⁾ Blend probability from RGZ(L) or manual flagging) (Blend_prob) (stat.fit.goodness)

OtherProb

⁽ⁿ⁾ Other problem probability from RGZ(L) (Other_prob) (stat.fit.goodness)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

Created

(char)

Origin of radio component assignment (Created) (meta.code)

r_RAOdeg

(char)

Origin of optRA, optDec (Position_from) (meta.ref;pos.frame)

Renamed

(char)

Original name e.g. in RGZ if a composite source (Renamed_from) (meta.id)

RAIdeg

deg

⁽ⁿ⁾ Right ascension (J2000) of positional match in Legacy/WISE crossmatch catalogue (ID_RA) (pos.eq.ra)

DEIdeg

deg

⁽ⁿ⁾ Declination (J2000) of positional match in Legacy/WISE crossmatch catalogue (ID_DEC) (pos.eq.dec)

UIDL

(char)

Legacy ID if any (UID_L) (meta.id)

UNWISE

(char)

UNWISE ID if any (UNWISE_OBJID) (meta.id)

IDName

(char)

Legacy ID if present else WISE ID else blank if no ID exists (ID_NAME) (meta.id)

Sep

⁽ⁿ⁾ Offset between optRA, optDec and ID_RA, ID_DEC (non-zero only for visual inspection) (Separation) (pos.angDistance)

LegacyID

⁽ⁿ⁾ Unique source ID combining release, brick ID and objid (Legacy_ID) (meta.id)

HPX

[16/303] Healpix of Legacy brick (internal) (HPX) (stat.fit.param)

Release

⁽ⁿ⁾ [8000/8001] Legacy release number (release) (meta.id)

BrickId

⁽ⁿ⁾ [422713/641534] Legacy brick ID (brickid) (meta.id)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

ObjId

⁽ⁿ⁾ Legacy object ID (objid) (meta.id)

Maskbits

⁽ⁿ⁾ Bitwise mask indicating that an object touches a pixel in the `coadd/*/*/*maskbits*` maps, as catalogued on the DR8 bitmasks page (maskbits) (meta.note)

fracFg

⁽ⁿ⁾ Profile-weighted fraction of the flux from other sources divided by the total flux in g (fracflux_g) (phot.flux;arith.ratio)

fracFr

⁽ⁿ⁾ Profile-weighted fraction of the flux from other sources divided by the total flux in r (fracflux_r) (phot.flux;arith.ratio)

fracFz

⁽ⁿ⁾ Profile-weighted fraction of the flux from other sources divided by the total flux in z (fracflux_z) (phot.flux;arith.ratio)

Type

(char)

Morphological model (type) (Note 3) (src.morph.type;meta.modelled)

RALdeg

deg

⁽ⁿ⁾ Right ascension (J2000) of match in Legacy catalogue (ra) (pos.eq.ra)

DELdeg

deg

⁽ⁿ⁾ Declination (J2000) of match in Legacy catalogue (dec) (pos.eq.dec)

pstar

⁽ⁿ⁾ [0/1] Star likelihood based on GMM modelling (type='PSF' sources only) (pstar) (stat.likelihood)

Star

(char)

[True-False ] Likely star based on pstar or proper motion (deprecated), blank if no match (star) (meta.code)

MaskOpt

(char)

[True-False ] Bitwise mask set if the central pixel from any image satisfies each condition in any of g, r or z as catalogued on the DR8 bitmasks page (ANYMASK_OPT) (meta.code)

GMMcomp

(char)

Gaussian Mixture Model component to which source belongs (and hence the gpz++ class used for prediction) (gmmcomp) (meta.code)

zphot

⁽ⁿ⁾ [-3.73/8.28] Photo-z estimate (zphot) (src.redshift.phot)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

e_zphot

⁽ⁿ⁾ [-0.01/7.6] Predicted 1-sigma uncertainty on photometric redshift (after magnitude calibration) (zphot_err) (stat.error)

varDensity

⁽ⁿ⁾ [0.0/1.22] gpz++ predicted variance from density of training set (var.density) (stat.variance)

varTrNoise

⁽ⁿ⁾ [0.0/66.83] gpz++ predicted variance from noise in training set (var.tr.noise) (stat.variance)

varInNoise

⁽ⁿ⁾ [0.0/3.89] gpz++ predicted variance from noise in fluxes used in prediction (var.in.noise) (stat.variance)

FlagQual

⁽ⁿ⁾ [0/1] Predicted photo-z quality flag, 0 if bad, 1 if good (flag_qual) (Note 4) (meta.code.error)

zspecSDSS

⁽ⁿ⁾ [-0.01/5] SDSS spectroscopic redshift if available (zspec_sdss) (src.redshift;pos.heliocentric)

zwarnSDSS

⁽ⁿ⁾ 0 if SDSS redshift is good, 1 if bad (zwarning_sdss) (meta.code)

PlateSDSS

⁽ⁿ⁾ SDSS plate number (plate_sdss) (meta.id)

MJDSDSS

⁽ⁿ⁾ SDSS MJD (mjd_sdss) (meta.id)

FiberSDSS

⁽ⁿ⁾ SDSS fibre ID (fiberid_sdss) (meta.id)

zHETDEX

⁽ⁿ⁾ [0.01/4.15] HETDEX spectroscopic redshift if available (z_hetdex) (src.redshift;pos.heliocentric)

zHETDEXConf

⁽ⁿ⁾ HETDEX spectroscopic redshift confidence (z_hetdexconf) (stat.fit.goodness)

HETDEX

⁽ⁿ⁾ HETDEX source ID (hetdex_sourceid) (meta.id)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

zDESI

⁽ⁿ⁾ [-0.01/4.84] DESI spectroscopic redshift if available (z_desi) (src.redshift;pos.heliocentric)

e_zDESI

⁽ⁿ⁾ [0.0/0.01] DESI spectroscopic redshift error (z_desierr) (stat.error)

DESI

⁽ⁿ⁾ DESI source ID (desi_sourceid) (meta.id)

2RXS

(char)

ID in 2RXS (2RXS_ID) (meta.id)

XMMSL2

(char)

ID in XMM source catalogue (XMMSL2_ID) (meta.id)

Resolved

[0/1] Boolean flag to indicate whether source is resolved (Resolved) (meta.code)

LAS

arcsec

Estimate of angular size, only valid for sources with Resolved≡True (LAS) (phys.angSize)

zbest

⁽ⁿ⁾ [0/6.6] Spec-z if available and good, else photo-z if available and good, else blank (z_best) (Note 5) (src.redshift;pos.heliocentric)

r_zbest

(char)

String describing origin of z_best (z_source) (meta.ref;pos.frame)

Size

kpc

⁽ⁿ⁾ LAS times angular size distance (Size) (phys.size.diameter)

L144

W/Hz

⁽ⁿ⁾ Radio luminosity at 144MHz for alpha=0.7 (L_144) (Note 6) (phys.luminosity;em.radio.100-200MHz)

Field

(char)

Which of the two fields the data come from (Field) (obs.field)

LegacyCov

Flag to say whether source is in the DESI Legacy sky area (Legacy_Coverage) (meta.code)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

LMFlux

mJy

Flux density from LoMorph code (LM_flux) (phot.flux.density)

LMSize

arcsec

⁽ⁿ⁾ Size from LoMorph code (LM_size) (phys.size.diameter)

fLMflux

[0/1] Flag to say that LoMorph flux is bad (Bad_LMflux) (meta.code)

fLMimage

[0/1] Flag to say that LoMorph mask is bad (Bad_LMimage) (meta.code)

r_LAS

(char)

Source for the LAS column (LAS_from) (meta.ref;pos.frame)

gmag

mag

⁽ⁿ⁾ Magnitude in g-band (mag_g) (phot.mag;em.opt.B)

e_gmag

mag

⁽ⁿ⁾ Magnitude error in g-band, or blank for upper limit (magerr_g) (stat.error;phot.mag)

rmag

mag

⁽ⁿ⁾ Magnitude in r-band (mag_r) (phot.mag;em.opt.R)

e_rmag

mag

⁽ⁿ⁾ Magnitude error in r-band, or blank for upper limit (magerr_r) (stat.error;phot.mag)

zmag

mag

⁽ⁿ⁾ Magnitude in z-band (mag_z) (phot.mag;em.opt.I)

e_zmag

mag

⁽ⁿ⁾ Magnitude error in z-band, or blank for upper limit (magerr_z) (stat.error;phot.mag)

W1mag

mag

⁽ⁿ⁾ Magnitude in WISE band 1 (mag_w1) (phot.mag;em.IR.3-4um)

e_W1mag

mag

⁽ⁿ⁾ Magnitude error in WISE band 1, or blank for upper limit (magerr_w1) (stat.error;phot.mag)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

W2mag

mag

⁽ⁿ⁾ Magnitude in WISE band 2 (mag_w2) (phot.mag;em.IR.4-8um)

e_W2mag

mag

⁽ⁿ⁾ Magnitude error in WISE band 2, or blank for upper limit (magerr_w2) (stat.error;phot.mag)

W3mag

mag

⁽ⁿ⁾ Magnitude in WISE band 3 (mag_w3) (phot.flux.density;em.IR.8-15um)

e_W3mag

mag

⁽ⁿ⁾ Magnitude error in WISE band 3, or blank for upper limit (magerr_w3) (stat.error;phot.mag)

W4mag

mag

⁽ⁿ⁾ Magnitude in WISE band 4 (mag_w4) (phot.flux.density;em.IR.15-30um)

e_W4mag

mag

⁽ⁿ⁾ Magnitude error in WISE band 4, or blank for upper limit (magerr_w4) (stat.error;phot.mag)

r_WISE

(char)

Origin of the WISE measurements (WISE_Src) (Note 3) (meta.ref;pos.frame)

Mass

Msun

⁽ⁿ⁾ Mass estimate (Mass_median) (phys.mass)

b_Mass

Msun

⁽ⁿ⁾ 68% lower confidence bound on mass (Mass_l68) (phys.mass)

B_Mass

Msun

⁽ⁿ⁾ 68% upper confidence bound on mass (Mass_u68) (phys.mass)

gmagrest

mag

⁽ⁿ⁾ Rest-frame g-band magnitude from SED fit (g_rest) (phot.mag;meta.modelled)

rmagrest

mag

⁽ⁿ⁾ Rest-frame r-band magnitude from SED fit (r_rest) (phot.mag;meta.modelled)

zmagrest

mag

⁽ⁿ⁾ Rest-frame z-band magnitude from SED fit (z_rest) (phot.mag;meta.modelled)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

Umagrest

mag

⁽ⁿ⁾ Rest-frame U-band magnitude from SED fit (U_rest) (phot.mag;em.opt.U)

Vmagrest

mag

⁽ⁿ⁾ Rest-frame V-band magnitude from SED fit (V_rest) (phot.mag;em.opt.V)

Jmagrest

mag

⁽ⁿ⁾ Rest-frame J-band magnitude from SED fit (J_rest) (phot.mag;em.IR.J)

Kmagrest

mag

⁽ⁿ⁾ Rest-frame K-band magnitude from SED fit (K_rest) (phot.mag;em.IR.K)

W1magrest

mag

⁽ⁿ⁾ Rest-frame WISE band-1 magnitude from SED fit (w1_rest) (phot.mag;em.IR.K)

W2magrest

mag

⁽ⁿ⁾ Rest-frame WISE band-1 magnitude from SED fit (w2_rest) (phot.mag;meta.modelled)

r50

arcsec

⁽ⁿ⁾ Half-light radius of Legacy optical exponential/DeVaucouleurs/composite model (r_50) (phys.angSize;src)

e_r50

arcsec

⁽ⁿ⁾ 1-sigma uncertainty on r_50 (r₅₀err) (stat.error)

q_Mass

[0/1] 1 if a mass is measured and reliable (flag_mass) (meta.code.qual;phys.mass)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

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If the access to catalogues with VizieR was helpful for your research work,the following acknowledgment would be appreciated: This research has made use of the VizieR catalogue access tool, CDS, Strasbourg, France (DOI: 10.26093/cds/vizier). The original description of the VizieR service was published in A&AS 143, 23