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VizieR

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II/294/sdss7 The SDSS Photometric Catalog, Release 7 (Adelman-McCarthy+, 2009)
Data Release 7 (357,175,411 primary sources, plus 65,714,108 secondary sources) (65714108 rows)
  -c=217.41930 +00.36640, rs=1
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_r0.016 arcsec Distance from center (217.419300+00.366400)[ICRS], at Epoch of catalog (ObsDate) (pos.angDistance)
_RAJ200014 29 40.63088 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+00 21 59.0344 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195014 27 07.20759 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+00 35 18.2857 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon348.39076049 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+54.32797216 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

mode1   [1,2] 1: primary (357,175,411 sources), 2: secondary (65,058,969 sources). (meta.code.class)
q_mode    [+] '+' indicates clean photometry (105,969,748 sources with mode 1+) (meta.code.qual;instr.setup)
cl3  Type (class) of the object (type) (Note 1)   (src.class)
SDSSJ142940.63+002159.0  (i) Recommended SDSS name, based on J2000 position (meta.id)
m_SDSS    [*] The asterisk indicates that 2 different SDSS objects share the same SDSS name (meta.code.multip)
R3   [3457] Release inclusion (blank for new, 3,4,5 when already included in DR3/4/5) (meta.note)
SDSS-ID 756.4.679.0031   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID588848900465950751  SDSS unique object identifier (2) (links to SDSS details) (Note)   (meta.id;meta.main)
SpObjID 86353123743891456  Pointer to the spectrum of object, or 0 (7) (Note)   (meta.id)
parentID588848900465950750  Pointer to parent (if object deblended) (meta.id.parent)
rerun 44   [40,651] Re-run number (Note 2)   (meta.code)
flags 1010021010  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00006673   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
e_RA_ICRS 0.049 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
e_DE_ICRS 0.047 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ccPos 0.00  Correlation between eRAdeg/eDEdeg (raDecCorr) (stat.correlation)
zsp 0.05576   Spectroscopic redshift (when SpObjID>0) (Note 7)   (src.redshift)
e_zsp0.00022   Mean error on zsp (Note 7)   (stat.error)
umag17.360 mag (i) Model magnitude in u filter (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.014 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag15.330 mag (i) Model magnitude in g filter (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.002 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag14.408 mag (i) Model magnitude in r filter (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.002 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag13.963 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.002 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag13.610 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.003 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 8004010008010  Detection flags, u band (flags_u) (Note 3)   (meta.code)
us0   [0,2] 0=notStar, 1=Star in u band (probPSF_u) (src.class.starGalaxy)
uc3   [0,9] Phototype in u band, 6=Star (type_u) (Note 1)   (src.class.starGalaxy)
uDate1999.2209 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag17.360 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.014 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag19.176 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.022 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag17.419 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 0.031 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 8.10 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 2.57 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA -0.02 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE -0.05 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
uisoA 19.45 arcsec Isophotal major diameter in u band (isoA_u) (phys.angSize;em.opt.U)
uisoB 17.79 arcsec Isophotal minor diameter in u band (isoB_u) (phys.angSize;em.opt.U)
uPA118.2 deg Position angle of uisoA in u band (isoPhi_u) (pos.posAng)
gFlags 8004010029010  Detection flags, g band (flags_g) (Note 3)   (meta.code)
gs0   [0,2] 0=notStar, 1=Star in g band (probPSF_g) (src.class.starGalaxy)
gc3   [0,9] Phototype in g band, 6=Star (type_g) (Note 1)   (src.class.starGalaxy)
gDate1999.2209 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag15.330 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.002 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag17.110 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.015 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag15.419 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.006 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 9.54 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 0.23 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA 0.00 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE -0.05 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gisoA 45.16 arcsec Isophotal major diameter in g band (isoA_g) (phys.angSize)
gisoB 40.72 arcsec Isophotal minor diameter in g band (isoB_g) (phys.angSize)
gPA140.5 deg Position angle of gisoA in g band (isoPhi_g) (pos.posAng)
rFlags 18004010028010  Detection flags, r band (flags_r) (Note 3)   (meta.code)
rs0   [0,2] 0=notStar, 1=Star in r band (probPSF_r) (src.class.starGalaxy)
rc3   [0,9] Phototype in r band, 6=Star (type_r) (Note 1)   (src.class.starGalaxy)
rDate1999.2209 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag14.408 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.002 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag16.261 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.015 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag14.511 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.005 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 8.98 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 0.10 arcsec Mean error in rPrad (petroMagErr_r) (stat.error)
roRA 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
roDE 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
risoA 55.19 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 50.40 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA144.3 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags 8004010029010  Detection flags, i band (flags_i) (Note 3)   (meta.code)
is0   [0,2] 0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy)
ic3   [0,9] Phototype in i band, 6=Star (type_i) (Note 1)   (src.class.starGalaxy)
iDate1999.2209 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag13.963 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.002 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag15.876 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.011 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag14.060 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.005 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 9.13 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 0.05 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA -0.01 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE -0.01 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
iisoA 64.26 arcsec Isophotal major diameter in i band (isoA_i) (phys.angSize)
iisoB 55.56 arcsec Isophotal minor diameter in i band (isoB_i) (phys.angSize)
iPA154.4 deg Position angle of iisoA in i band (isoPhi_i) (pos.posAng)
zFlags 8004010008010  Detection flags, z band (flags_z) (Note 3)   (meta.code)
zs0   [0,2] 0=notStar, 1=Star in z band (probPSF_z) (src.class.starGalaxy)
zc3   [0,9] Phototype in z band, 6=Star (type_z) (Note 1)   (src.class.starGalaxy)
zDate1999.2209 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag13.610 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.003 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag15.522 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.017 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag13.749 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 0.006 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 8.17 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 0.21 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA -0.01 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE 0.00 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zisoA 63.34 arcsec Isophotal major diameter in z band (isoA_z) (phys.angSize)
zisoB 55.04 arcsec Isophotal minor diameter in z band (isoB_z) (phys.angSize)
zPA123.8 deg Position angle of zisoA in z band (isoPhi_z) (pos.posAng)
pmRA -3 mas/yr Proper motion along RightAscension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
e_pmRA 3 mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDE 2 mas/yr Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
e_pmDE 3 mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA 0.412 arcsec RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE 0.152 arcsec RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
M1  Number of USNO-B objects matched within 1arcsec (match) (Note 8)   (meta.number)
N6  Number of detections used in the pm fit, including SDSS (nFit) (Note 8)   (meta.number)
g(O)14.0 mag Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)11.8 mag Magnitude from E plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
g(J)11.1 mag Magnitude from J plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(F)10.4 mag Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)11.3 mag Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
RA_ICRS217.419296 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+00.366398 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
ObsDate1999.2209 yr Mean Observation date (time.epoch;obs;stat.mean)
Q3  Quality of the observation: 1=bad 2=acceptable 3=good 4=missing 5=hole (Note 6)   (meta.code.qual;obs.param;obs)
  
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