VizieR

JavaScript is used, and should be enabled to get full functionality.

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

	V/154	-1		Sloan Digital Sky Surveys (SDSS), Release 16 (DR16) (Ahumada+, 2020) ReadMe+ftp 2022yCat.5154....0A Similar Catalogs Post annotation
1.	V/154/sdss16		Data Release 16 (469,050,976 primary sources plus 325,277,739 secondary sources) (original column names in green) (Note) (1231051050 rows) metaV/154/sdss16

Simple Constraint List Of Constraints

Query by Constraints constraints help

applied on Columns (Output Order: + - )

Standard Original

Show Sort Column Constraint Explain (UCD)

objID ⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)

RA_ICRS deg ⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)

DE_ICRS deg ⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)

fieldID The field this object is in (meta.note) (ID_FIELD)

mode [1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (qualified to =1 by default) (meta.code.class) (CLASS_CODE)

class ⁽ⁿ⁾ [0/8] Type of object (3=galaxy, 6=star) (type) (Note 2) (src.class) (CLASS_OBJECT)

clean [0/1] Clean photometry flag (1=clean; 0=unclean) (qualified to =1 by default) (meta.code) (CODE_MISC)

flags Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)

upmag mag ⁽ⁿ⁾⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)

gpmag mag ⁽ⁿ⁾ [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)

rpmag mag ⁽ⁿ⁾ [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

ipmag mag ⁽ⁿ⁾ [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)

zpmag mag ⁽ⁿ⁾ [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)

e_upmag mag ⁽ⁿ⁾ [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)

e_gpmag mag ⁽ⁿ⁾ Mean error on gpmag (psfMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)

e_rpmag mag ⁽ⁿ⁾ Mean error on rpmag (psfMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)

e_ipmag mag ⁽ⁿ⁾ Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)

e_zpmag mag ⁽ⁿ⁾ Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)

uPmag mag ⁽ⁿ⁾ [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)

gPmag mag ⁽ⁿ⁾ [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)

rPmag mag ⁽ⁿ⁾ [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)

iPmag mag ⁽ⁿ⁾ [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)

zPmag mag ⁽ⁿ⁾ [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)

e_uPmag mag ⁽ⁿ⁾ [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

e_gPmag mag ⁽ⁿ⁾ [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)

e_rPmag mag ⁽ⁿ⁾ Mean error in rPmag (petroMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)

e_iPmag mag ⁽ⁿ⁾ Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)

e_zPmag mag ⁽ⁿ⁾ Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)

uPrad arcsec ⁽ⁿ⁾ [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)

gPrad arcsec ⁽ⁿ⁾ [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)

rPrad arcsec ⁽ⁿ⁾ [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)

iPrad arcsec ⁽ⁿ⁾ [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)

zPrad arcsec ⁽ⁿ⁾ [8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)

e_uPrad arcsec ⁽ⁿ⁾ [-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)

e_gPrad arcsec ⁽ⁿ⁾ [-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)

e_rPrad arcsec ⁽ⁿ⁾ [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)

e_iPrad arcsec ⁽ⁿ⁾ [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

e_zPrad arcsec ⁽ⁿ⁾ [-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)

udVrad arcsec ⁽ⁿ⁾ [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)

gdVrad arcsec ⁽ⁿ⁾ [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)

rdVrad arcsec ⁽ⁿ⁾ [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)

idVrad arcsec ⁽ⁿ⁾ [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)

zdVrad arcsec ⁽ⁿ⁾ [0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)

udVell ⁽ⁿ⁾ [0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)

gdVell ⁽ⁿ⁾ [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)

rdVell ⁽ⁿ⁾ [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)

idVell ⁽ⁿ⁾ [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)

zdVell ⁽ⁿ⁾ [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)

uPA deg ⁽ⁿ⁾ [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)

gPA deg ⁽ⁿ⁾ [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

rPA deg ⁽ⁿ⁾ [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)

iPA deg ⁽ⁿ⁾ [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)

zPA deg ⁽ⁿ⁾ [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)

uFlags Detection flags u band (flags_u) (Note 3) (meta.code) (CODE_MISC)

gFlags Detection flags g band (flags_g) (Note 3) (meta.code) (CODE_MISC)

rFlags Detection flags r band (flags_r) (Note 3) (meta.code) (CODE_MISC)

iFlags Detection flags i band (flags_i) (Note 3) (meta.code) (CODE_MISC)

zFlags Detection flags z band (flags_z) (Note 3) (meta.code) (CODE_MISC)

uc ⁽ⁿ⁾ [0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)

gc ⁽ⁿ⁾ [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)

rc ⁽ⁿ⁾ [0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)

ic ⁽ⁿ⁾ [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)

zc ⁽ⁿ⁾ [0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2) (src.class.starGalaxy) (CLASS_STAR/GALAXY)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

us ⁽ⁿ⁾ [0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)

gs ⁽ⁿ⁾ [0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)

rs ⁽ⁿ⁾ [0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)

is ⁽ⁿ⁾ [0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)

zs ⁽ⁿ⁾ [0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)

e_RA_ICRS arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)

e_DE_ICRS arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)

uoRA arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)

goRA arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)

roRA arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)

ioRA arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)

zoRA arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)

uoDE arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

goDE arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)

roDE arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)

ioDE arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)

zoDE arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)

parentID Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)

SpObjID (char) ⁽ⁱ⁾ Pointer to the spectrum of object or 0 (specObjID) (Note 6) (meta.id) (ID_ALTERNATIVE)

umag mag ⁽ⁿ⁾⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)

gmag mag ⁽ⁿ⁾⁽ⁱ⁾ [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7) (phot.mag;em.opt.B) (PHOT_SDSS_G)

rmag mag ⁽ⁿ⁾⁽ⁱ⁾ [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7) (phot.mag;em.opt.R) (PHOT_SDSS_R)

imag mag ⁽ⁿ⁾⁽ⁱ⁾ [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_I)

zmag mag ⁽ⁿ⁾⁽ⁱ⁾ [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7) (phot.mag;em.opt.I) (PHOT_SDSS_Z)

e_umag mag ⁽ⁿ⁾ [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)

e_gmag mag ⁽ⁿ⁾ [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

e_rmag mag ⁽ⁿ⁾ [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)

e_imag mag ⁽ⁿ⁾ [0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)

e_zmag mag ⁽ⁿ⁾ [9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)

Status [0/4145] Decimal status (resolveStatus) (Note 5) (meta.code) (CODE_MISC)

spInst (char) Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6) (meta.id;instr) (INST_ID)

spType (char) Source type (spec_sourceType) (6) (Note 8) (src.class) (CLASS_OBJECT)

zsp ⁽ⁿ⁾⁽ⁱ⁾ [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6) (src.redshift) (REDSHIFT_HC)

e_zsp ⁽ⁿ⁾ [-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6) (stat.error) (ERROR)

f_zsp ⁽ⁿ⁾ [0/902] Zwarning flag (spec_zWarning) (6) (Note 9) (meta.code) (CODE_MISC)

spCl (char) Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6) (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)

subCl (char) Spectroscopic subclass (spec_subClass) (6) (Note 10) (src.class) (CLASS_OBJECT)

Vdisp km/s ⁽ⁿ⁾ [0/850] Velocity dispersion (spec_velDisp) (Note 6) (phys.veloc.dispersion) (VELOC_DISP)

e_Vdisp km/s ⁽ⁿ⁾ [-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6) (stat.error) (ERROR)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

spS/N ⁽ⁿ⁾ [-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6) (em.wl.central;stat.median) (INST_S/N)

M ⁽ⁿ⁾ [0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11) (meta.number) (NUMBER)

pmRA mas/yr ⁽ⁿ⁾ [-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)

pmDE mas/yr ⁽ⁿ⁾ [-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)

e_pmRA mas/yr ⁽ⁿ⁾ [0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)

e_pmDE mas/yr ⁽ⁿ⁾ [0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)

sigRA mas ⁽ⁿ⁾ [0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)

sigDE mas ⁽ⁿ⁾ [0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)

N ⁽ⁿ⁾ [0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)

g(O) ⁽ⁿ⁾ [-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)

r(E) ⁽ⁿ⁾ Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)

g(J) ⁽ⁿ⁾ Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)

r(F) ⁽ⁿ⁾ Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

i(N) ⁽ⁿ⁾ Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11) (phot.mag;em.opt.I) (PHOT_PHG_I)

zph ⁽ⁿ⁾⁽ⁱ⁾ [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12) (src.redshift) (REDSHIFT_PHOT)

e_zph ⁽ⁿ⁾ [0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12) (stat.error) (ERROR)

<zph> ⁽ⁿ⁾ [0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12) (src.redshift.phot) (REDSHIFT_PHOT)

chi2 ⁽ⁿ⁾ [2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12) (stat.value) (FIT_CHI2)

Q [1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13) (meta.code.qual;obs.param;obs) (CODE_QUALITY)

uMJD d Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)

gMJD d Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)

rMJD d Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)

iMJD d Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)

zMJD d Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)

SDSS16 (char) ⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)

SDSS-ID (char) ⁽ⁱ⁾ SDSS object identifier (run-rerun-camcol-field-object) (Note 1) (meta.id) (ID_ALTERNATIVE)

Sp-ID (char) ⁽ⁱ⁾ Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (Tip: to select SDSS spectroscopic sources, enter the condition *[1-9]*) (meta.id) (ID_ALTERNATIVE)

MJD d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

Adapt form	Display your selection only	Reset to default columns
	Display UCD1+ UCD1

elapse time 0

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