Show | Sort | Column | Constraint | Explain (UCD) |
| | mode | | [1,2] 1: primary (357,175,411 sources), 2: secondary (96,670,822 sources). (qualified to =1 by default) (meta.code.class) (CLASS_CODE) |
| | q_mode | (char) | [+] '+' indicates clean photometry (105,969,748 sources with mode 1+) (meta.code.qual;instr.setup) (CODE_QUALITY) |
| | cl | | Type (class) of the object (type) (Note 1)
(src.class) (CLASS_OBJECT) |
| | SDSS | (char) | (i) Recommended SDSS name, based on J2000 position (meta.id) (ID_ALTERNATIVE) |
| | m_SDSS | (char) | [*] The asterisk indicates that 2 different SDSS objects share the same SDSS name (meta.code.multip) (CODE_MULT_INDEX) |
| | R | (char) | [3457] Release inclusion (blank for new, 3,4,5 when already included in DR3/4/5) (meta.note) (NOTE) |
| | SDSS-ID | (char) | [ 0-9.] SDSS object identifier (Note 2)
(meta.id) (ID_ALTERNATIVE) |
| | objID | | SDSS unique object identifier (2) (links to SDSS details) (Note)
(meta.id;meta.main) (ID_MAIN) |
| | SpObjID | | Pointer to the spectrum of object, or 0 (7) (Tip: to select SDSS spectroscopic sources, enter the condition *[1-9]*) (Note)
(meta.id) (ID_ALTERNATIVE) |
| | parentID | | Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT) |
| | rerun | | [40,651] Re-run number (Note 2)
(meta.code) (CODE_MISC) |
ALL cols | | | |
| | flags | | Photo Object Attribute flags (Note 3)
(meta.code.error) (CODE_MISC) |
| | Status | (char) | [0-9A-F] Hexadecimal status (Note 4)
(meta.code) (CODE_MISC) |
| | e_RA_ICRS | arcsec | Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR) |
| | e_DE_ICRS | arcsec | Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR) |
| | ccPos | | Correlation between eRAdeg/eDEdeg (raDecCorr) (stat.correlation) (STAT_CORRELATION) |
| | zsp | | (n) Spectroscopic redshift (when SpObjID>0) (Note 7)
(src.redshift) (REDSHIFT_HC) |
| | e_zsp | | (n) Mean error on zsp (Note 7)
(stat.error) (ERROR) |
| | umag | mag | (n)(i) Model magnitude in u filter (u) (Note 5)
(phot.mag;em.opt.U) (PHOT_SDSS_U) |
| | e_umag | mag | (n) Mean error on umag (err_u) (stat.error;phot.mag) (ERROR) |
| | gmag | mag | (n)(i) Model magnitude in g filter (g) (Note 5)
(phot.mag;em.opt.B) (PHOT_SDSS_G) |
| | e_gmag | mag | (n) Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR) |
| | rmag | mag | (n)(i) Model magnitude in r filter (r) (Note 5)
(phot.mag;em.opt.R) (PHOT_SDSS_R) |
| | e_rmag | mag | (n) Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR) |
ALL cols | | | |
| | imag | mag | (n)(i) Model magnitude in i filter (i) (Note 5)
(phot.mag;em.opt.I) (PHOT_SDSS_I) |
| | e_imag | mag | (n) Mean error on imag (err_i) (stat.error;phot.mag) (ERROR) |
| | zmag | mag | (n)(i) Model magnitude in z filter (z) (Note 5)
(phot.mag;em.opt.I) (PHOT_SDSS_Z) |
| | e_zmag | mag | (n) Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR) |
| | uFlags | | Detection flags, u band (flags_u) (Note 3)
(meta.code) (CODE_MISC) |
| | us | | [0,2] 0=notStar, 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY) |
| | uc | | [0,9] Phototype in u band, 6=Star (type_u) (Note 1)
(src.class.starGalaxy) (CLASS_STAR/GALAXY) |
| | uDate | yr | Date of observation in u band (Note 6)
(time.epoch) (TIME_DATE) |
| | u'mag | mag | (n) Model magnitude in u filter (= umag) (Note 5)
(phot.mag;em.opt.U) (PHOT_SDSS_U) |
| | e_u'mag | mag | (n) Mean error on u'mag (= e_umag) (stat.error;phot.mag) (ERROR) |
| | upmag | mag | (n) PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U) (PHOT_SDSS_U) |
| | e_upmag | mag | (n) Mean error on upmag (psfMagErr_u) (stat.error;phot.mag) (ERROR) |
| | uPmag | mag | (n) Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U) (PHOT_SDSS_U) |
ALL cols | | | |
| | e_uPmag | mag | (n) Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag) (ERROR) |
| | uPrad | arcsec | (n) Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD) |
| | e_uPrad | arcsec | (n) Mean error in uPrad (petroRadErr_u) (stat.error) (ERROR) |
| | uoRA | arcsec | (n) Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF) |
| | uoDE | arcsec | (n) Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF) |
| | uisoA | arcsec | (n) Isophotal major diameter in u band (isoA_u) (phys.angSize) (EXTENSION_DIAM) |
| | uisoB | arcsec | (n) Isophotal minor diameter in u band (isoB_u) (phys.angSize) (EXTENSION_MIN) |
| | uPA | deg | (n) Position angle of uisoA in u band (isoPhi_u) (pos.posAng) (POS_POS-ANG) |
| | gFlags | | Detection flags, g band (flags_g) (Note 3)
(meta.code) (CODE_MISC) |
| | gs | | [0,2] 0=notStar, 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY) |
| | gc | | [0,9] Phototype in g band, 6=Star (type_g) (Note 1)
(src.class.starGalaxy) (CLASS_STAR/GALAXY) |
| | gDate | yr | Date of observation in g band (Note 6)
(time.epoch) (TIME_DATE) |
| | g'mag | mag | (n) Model magnitude in g filter (= gmag) (Note 5)
(phot.mag;em.opt.B) (PHOT_SDSS_G) |
ALL cols | | | |
| | e_g'mag | mag | (n) Mean error on g'mag (= e_gmag) (stat.error;phot.mag) (ERROR) |
| | gpmag | mag | (n) PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B) (PHOT_SDSS_G) |
| | e_gpmag | mag | (n) Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag) (ERROR) |
| | gPmag | mag | (n) Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B) (PHOT_SDSS_G) |
| | e_gPmag | mag | (n) Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag) (ERROR) |
| | gPrad | arcsec | (n) Petrosian radius in g band (petroMagErr_g) (phys.angSize;src) (EXTENSION_RAD) |
| | e_gPrad | arcsec | (n) Mean error in gPrad (petroMagErr_g) (stat.error) (ERROR) |
| | goRA | arcsec | (n) Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF) |
| | goDE | arcsec | (n) Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF) |
| | gisoA | arcsec | (n) Isophotal major diameter in g band (isoA_g) (phys.angSize) (EXTENSION_DIAM) |
| | gisoB | arcsec | (n) Isophotal minor diameter in g band (isoB_g) (phys.angSize) (EXTENSION_MIN) |
| | gPA | deg | (n) Position angle of gisoA in g band (isoPhi_g) (pos.posAng) (POS_POS-ANG) |
| | rFlags | | Detection flags, r band (flags_r) (Note 3)
(meta.code) (CODE_MISC) |
ALL cols | | | |
| | rs | | [0,2] 0=notStar, 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY) |
| | rc | | [0,9] Phototype in r band, 6=Star (type_r) (Note 1)
(src.class.starGalaxy) (CLASS_STAR/GALAXY) |
| | rDate | yr | Date of observation in r band (Note 6)
(time.epoch) (TIME_DATE) |
| | r'mag | mag | (n) Model magnitude in r filter (= rmag) (Note 5)
(phot.mag;em.opt.R) (PHOT_SDSS_R) |
| | e_r'mag | mag | (n) Mean error on r'mag (= e_rmag) (stat.error;phot.mag) (ERROR) |
| | rpmag | mag | (n) PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R) (PHOT_SDSS_R) |
| | e_rpmag | mag | (n) Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag) (ERROR) |
| | rPmag | mag | (n) Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R) (PHOT_SDSS_R) |
| | e_rPmag | mag | (n) Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag) (ERROR) |
| | rPrad | arcsec | (n) Petrosian radius in r band (petroMagErr_r) (phys.angSize;src) (EXTENSION_RAD) |
| | e_rPrad | arcsec | (n) Mean error in rPrad (petroMagErr_r) (stat.error) (ERROR) |
| | roRA | arcsec | (n) Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF) |
| | roDE | arcsec | (n) Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF) |
ALL cols | | | |
| | risoA | arcsec | (n) Isophotal major diameter in r band (isoA_r) (phys.angSize) (EXTENSION_DIAM) |
| | risoB | arcsec | (n) Isophotal minor diameter in r band (isoB_r) (phys.angSize) (EXTENSION_MIN) |
| | rPA | deg | (n) Position angle of risoA in r band (isoPhi_r) (pos.posAng) (POS_POS-ANG) |
| | iFlags | | Detection flags, i band (flags_i) (Note 3)
(meta.code) (CODE_MISC) |
| | is | | [0,2] 0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY) |
| | ic | | [0,9] Phototype in i band, 6=Star (type_i) (Note 1)
(src.class.starGalaxy) (CLASS_STAR/GALAXY) |
| | iDate | yr | Date of observation in i band (Note 6)
(time.epoch) (TIME_DATE) |
| | i'mag | mag | (n) Model magnitude in i filter (= imag) (Note 5)
(phot.mag;em.opt.I) (PHOT_SDSS_I) |
| | e_i'mag | mag | (n) Mean error on i'mag (= e_imag) (stat.error;phot.mag) (ERROR) |
| | ipmag | mag | (n) PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I) (PHOT_SDSS_I) |
| | e_ipmag | mag | (n) Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag) (ERROR) |
| | iPmag | mag | (n) Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I) (PHOT_SDSS_I) |
| | e_iPmag | mag | (n) Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag) (ERROR) |
ALL cols | | | |
| | iPrad | arcsec | (n) Petrosian radius in i band (petroMagErr_i) (phys.angSize;src) (EXTENSION_RAD) |
| | e_iPrad | arcsec | (n) Mean error in iPrad (petroMagErr_i) (stat.error) (ERROR) |
| | ioRA | arcsec | (n) Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF) |
| | ioDE | arcsec | (n) Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF) |
| | iisoA | arcsec | (n) Isophotal major diameter in i band (isoA_i) (phys.angSize) (EXTENSION_DIAM) |
| | iisoB | arcsec | (n) Isophotal minor diameter in i band (isoB_i) (phys.angSize) (EXTENSION_MIN) |
| | iPA | deg | (n) Position angle of iisoA in i band (isoPhi_i) (pos.posAng) (POS_POS-ANG) |
| | zFlags | | Detection flags, z band (flags_z) (Note 3)
(meta.code) (CODE_MISC) |
| | zs | | [0,2] 0=notStar, 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY) |
| | zc | | [0,9] Phototype in z band, 6=Star (type_z) (Note 1)
(src.class.starGalaxy) (CLASS_STAR/GALAXY) |
| | zDate | yr | Date of observation in z band (Note 6)
(time.epoch) (TIME_DATE) |
| | z'mag | mag | (n) Model magnitude in z filter (= zmag) (Note 5)
(phot.mag;em.opt.I) (PHOT_SDSS_Z) |
| | e_z'mag | mag | (n) Mean error on z'mag (= e_zmag) (stat.error;phot.mag) (ERROR) |
ALL cols | | | |
| | zpmag | mag | (n) PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I) (PHOT_SDSS_Z) |
| | e_zpmag | mag | (n) Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag) (ERROR) |
| | zPmag | mag | (n) Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I) (PHOT_SDSS_Z) |
| | e_zPmag | mag | (n) Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag) (ERROR) |
| | zPrad | arcsec | (n) Petrosian radius in z band (petroMagErr_z) (phys.angSize;src) (EXTENSION_RAD) |
| | e_zPrad | arcsec | (n) Mean error in zPrad (petroMagErr_z) (stat.error) (ERROR) |
| | zoRA | arcsec | (n) Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF) |
| | zoDE | arcsec | (n) Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF) |
| | zisoA | arcsec | (n) Isophotal major diameter in z band (isoA_z) (phys.angSize) (EXTENSION_DIAM) |
| | zisoB | arcsec | (n) Isophotal minor diameter in z band (isoB_z) (phys.angSize) (EXTENSION_MIN) |
| | zPA | deg | (n) Position angle of zisoA in z band (isoPhi_z) (pos.posAng) (POS_POS-ANG) |
| | pmRA | mas/yr | (n) Proper motion along RightAscension (pmRa) (Note 8)
(pos.pm;pos.eq.ra) (POS_EQ_PMRA) |
| | e_pmRA | mas/yr | (n) Mean error on pmRA (pmRaErr) (Note 8)
(stat.error;pos.pm;pos.eq.ra) (ERROR) |
ALL cols | | | |
| | pmDE | mas/yr | (n) Proper motion along Declination (pmDec) (Note 8)
(pos.pm;pos.eq.dec) (POS_EQ_PMDEC) |
| | e_pmDE | mas/yr | (n) Mean error on pmDE (pmDecErr) (Note 8)
(stat.error;pos.pm;pos.eq.dec) (ERROR) |
| | sigRA | arcsec | (n) RMS residual of proper motion fit in RA (Note 8)
(stat.fit.residual) (FIT_RESIDUAL) |
| | sigDE | arcsec | (n) RMS residual of proper motion fit in Dec (Note 8)
(stat.fit.residual) (FIT_RESIDUAL) |
| | M | | Number of USNO-B objects matched within 1arcsec (match) (Note 8)
(meta.number) (NUMBER) |
| | N | | Number of detections used in the pm fit, including SDSS (nFit) (Note 8)
(meta.number) (NUMBER) |
| | g(O) | mag | (n) Magnitude from O plate recalibrated to g (Note 8)
(phot.mag;em.opt.B) (PHOT_PHG_B) |
| | r(E) | mag | (n) Magnitude from E plate recalibrated to r (Note 8)
(phot.mag;em.opt.R) (PHOT_PHG_R) |
| | g(J) | mag | (n) Magnitude from J plate recalibrated to g (Note 8)
(phot.mag;em.opt.B) (PHOT_PHG_B) |
| | r(F) | mag | (n) Magnitude from F plate recalibrated to r (Note 8)
(phot.mag;em.opt.R) (PHOT_PHG_R) |
| | i(N) | mag | (n) Magnitude from N plate recalibrated to i (Note 8)
(phot.mag;em.opt.I) (PHOT_PHG_I) |
| | RA_ICRS | deg | (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
| | DE_ICRS | deg | (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
| | ObsDate | yr | (i) Mean Observation date (time.epoch;obs;stat.mean) (TIME_DATE) |
| | Q | | Quality of the observation: 1=bad 2=acceptable 3=good 4=missing 5=hole (Note 6)
(meta.code.qual;obs.param;obs) (CODE_QUALITY) |
ALL cols | | | |