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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===J121230.93+155406.9
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200012 12 30.93243 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+15 54 06.9655 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195012 09 58.11529 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+16 10 47.9410 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon262.14130833 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+75.59279401 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)
SDSSJ121230.93+155406.9  (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)
R4   [3457] Release inclusion (blank for new, 3,4,5 when already included in DR3/4/5) (meta.note)
SDSS-ID3631.6.440.0149   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID587735349648162965  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)
parentID587735349648162964  Pointer to parent (if object deblended) (meta.id.parent)
rerun 40   [40,651] Re-run number (Note 2)   (meta.code)
flags 1810000158  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00002673   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
e_RA_ICRS 0.048 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
e_DE_ICRS 0.051 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)
umag20.261 mag (i) Model magnitude in u filter (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.122 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag19.052 mag (i) Model magnitude in g filter (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.018 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag17.868 mag (i) Model magnitude in r filter (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.010 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag17.379 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.012 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag17.005 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.028 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 8004010008518  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)
uDate2003.0759 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag20.261 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.122 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag21.707 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.155 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag19.987 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 0.204 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 27.93 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 -0.52 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
uisoA 11.69 arcsec Isophotal major diameter in u band (isoA_u) (phys.angSize;em.opt.U)
uisoB 4.56 arcsec Isophotal minor diameter in u band (isoB_u) (phys.angSize;em.opt.U)
uPA113.3 deg Position angle of uisoA in u band (isoPhi_u) (pos.posAng)
gFlags 8004010008018  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)
gDate2003.0759 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag19.052 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.018 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag20.380 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.035 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag19.094 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.033 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 5.75 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 0.26 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA -0.12 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE 0.03 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gisoA 13.62 arcsec Isophotal major diameter in g band (isoA_g) (phys.angSize)
gisoB 9.37 arcsec Isophotal minor diameter in g band (isoB_g) (phys.angSize)
gPA122.3 deg Position angle of gisoA in g band (isoPhi_g) (pos.posAng)
rFlags 18004010008018  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)
rDate2003.0759 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag17.868 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.010 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag19.150 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.037 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag18.086 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.023 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 5.07 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 0.17 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 16.00 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 11.45 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA101.7 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags 8004010008018  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)
iDate2003.0759 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag17.379 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.012 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag18.643 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.044 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag17.618 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.028 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 4.86 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 0.18 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA -0.03 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE -0.02 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
iisoA 16.71 arcsec Isophotal major diameter in i band (isoA_i) (phys.angSize)
iisoB 12.90 arcsec Isophotal minor diameter in i band (isoB_i) (phys.angSize)
iPA107.8 deg Position angle of iisoA in i band (isoPhi_i) (pos.posAng)
zFlags 8004010008018  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)
zDate2003.0759 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag17.005 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.028 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag18.397 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.037 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag17.247 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 0.076 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 5.25 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 0.61 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA -0.03 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE 0.01 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zisoA 22.23 arcsec Isophotal major diameter in z band (isoA_z) (phys.angSize)
zisoB 17.10 arcsec Isophotal minor diameter in z band (isoB_z) (phys.angSize)
zPA 51.3 deg Position angle of zisoA in z band (isoPhi_z) (pos.posAng)
pmRA 1 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 -1 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 0.238 arcsec RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE 0.358 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)19.3 mag Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)17.6 mag Magnitude from E plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
g(J)18.5 mag Magnitude from J plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(F)17.9 mag Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)17.3 mag Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
RA_ICRS183.128886 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+15.901934 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
ObsDate2003.0759 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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