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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)
  SDSS===J122048.66+064327.6
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200012 20 48.66576 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+06 43 27.6384 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195012 18 15.59381 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+07 00 06.1823 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon281.92585202 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+68.33803345 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)
cl6  Type (class) of the object (type) (Note 1)   (src.class)
SDSSJ122048.66+064327.6  (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-ID3841.2.136.0349   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID588017724400599389  SDSS unique object identifier (2) (links to SDSS details) (Note)   (meta.id;meta.main)
SpObjID 0  Pointer to the spectrum of object, or 0 (7) (Note)   (meta.id)
parentID588017724400599384  Pointer to parent (if object deblended) (meta.id.parent)
rerun 41   [40,651] Re-run number (Note 2)   (meta.code)
flags 401012021110  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00002673   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
e_RA_ICRS 0.078 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
e_DE_ICRS 0.078 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ccPos 0.00  Correlation between eRAdeg/eDEdeg (raDecCorr) (stat.correlation)
zsp    Spectroscopic redshift (when SpObjID>0) (Note 7)   (src.redshift)
e_zsp    Mean error on zsp (Note 7)   (stat.error)
umag23.964 mag (i) Model magnitude in u filter (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.899 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag23.178 mag (i) Model magnitude in g filter (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.198 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag22.389 mag (i) Model magnitude in r filter (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.140 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag22.569 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.201 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag22.243 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.427 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 20000002808111  Detection flags, u band (flags_u) (Note 3)   (meta.code)
us1   [0,2] 0=notStar, 1=Star in u band (probPSF_u) (src.class.starGalaxy)
uc6   [0,9] Phototype in u band, 6=Star (type_u) (Note 1)   (src.class.starGalaxy)
uDate2003.2478 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag23.964 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.899 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag23.825 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 1.179 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag24.543 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 2.279 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 2.97 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad  arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA 0.18 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE 0.12 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
uisoA 122.21 arcsec Isophotal major diameter in u band (isoA_u) (phys.angSize;em.opt.U)
uisoB 3.41 arcsec Isophotal minor diameter in u band (isoB_u) (phys.angSize;em.opt.U)
uPA107.1 deg Position angle of uisoA in u band (isoPhi_u) (pos.posAng)
gFlags 400012008011  Detection flags, g band (flags_g) (Note 3)   (meta.code)
gs1   [0,2] 0=notStar, 1=Star in g band (probPSF_g) (src.class.starGalaxy)
gc6   [0,9] Phototype in g band, 6=Star (type_g) (Note 1)   (src.class.starGalaxy)
gDate2003.2478 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag23.178 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.198 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag23.121 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.302 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag23.439 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.641 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 0.87 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 0.22 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA 0.13 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE 0.07 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gisoA 1.63 arcsec Isophotal major diameter in g band (isoA_g) (phys.angSize)
gisoB 1.41 arcsec Isophotal minor diameter in g band (isoB_g) (phys.angSize)
gPA105.3 deg Position angle of gisoA in g band (isoPhi_g) (pos.posAng)
rFlags 10400012008011  Detection flags, r band (flags_r) (Note 3)   (meta.code)
rs1   [0,2] 0=notStar, 1=Star in r band (probPSF_r) (src.class.starGalaxy)
rc6   [0,9] Phototype in r band, 6=Star (type_r) (Note 1)   (src.class.starGalaxy)
rDate2003.2478 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag22.389 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.140 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag22.349 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.193 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag22.659 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.433 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 0.82 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 0.13 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 2.22 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 1.69 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA 80.2 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags 12008010  Detection flags, i band (flags_i) (Note 3)   (meta.code)
is1   [0,2] 0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy)
ic6   [0,9] Phototype in i band, 6=Star (type_i) (Note 1)   (src.class.starGalaxy)
iDate2003.2478 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag22.569 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.201 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag22.521 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.321 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag22.854 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.773 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 0.84 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 0.25 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA -0.02 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE -0.10 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
iisoA 1.88 arcsec Isophotal major diameter in i band (isoA_i) (phys.angSize)
iisoB 1.52 arcsec Isophotal minor diameter in i band (isoB_i) (phys.angSize)
iPA 90.9 deg Position angle of iisoA in i band (isoPhi_i) (pos.posAng)
zFlags 2029011  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)
zDate2003.2478 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag22.243 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.427 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag22.258 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.656 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag22.447 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 1.139 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 0.68 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 0.59 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA 0.18 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE 0.13 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zisoA 1.81 arcsec Isophotal major diameter in z band (isoA_z) (phys.angSize)
zisoB 1.14 arcsec Isophotal minor diameter in z band (isoB_z) (phys.angSize)
zPA148.3 deg Position angle of zisoA in z band (isoPhi_z) (pos.posAng)
pmRA  mas/yr Proper motion along RightAscension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
e_pmRA  mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDE  mas/yr Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
e_pmDE  mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA  arcsec RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE  arcsec RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
M0  Number of USNO-B objects matched within 1arcsec (match) (Note 8)   (meta.number)
N0  Number of detections used in the pm fit, including SDSS (nFit) (Note 8)   (meta.number)
g(O)  mag Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)  mag Magnitude from E plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
g(J)  mag Magnitude from J plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(F)  mag Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)  mag Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
RA_ICRS185.202774 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+06.724344 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
ObsDate2003.2478 yr Mean Observation date (time.epoch;obs;stat.mean)
Q2  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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