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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===J160239.74+372116.4
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200016 02 39.74400 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+37 21 16.4340 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 00 50.43571 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+37 29 30.7524 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon059.65968898 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+48.74807014 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)

mode2   [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)
SDSSJ160239.74+372116.4  (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)
R7   [3457] Release inclusion (blank for new, 3,4,5 when already included in DR3/4/5) (meta.note)
SDSS-ID3177.1.219.0114   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID587733397034172530  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)
parentID587733397034172510  Pointer to parent (if object deblended) (meta.id.parent)
rerun 40   [40,651] Re-run number (Note 2)   (meta.code)
flags D00012021058  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00001273   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
e_RA_ICRS 0.091 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
e_DE_ICRS 0.092 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ccPos 0.14  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)
umag21.263 mag (i) Model magnitude in u filter (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.157 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag21.215 mag (i) Model magnitude in g filter (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.074 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag21.026 mag (i) Model magnitude in r filter (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.081 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag20.974 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.113 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag21.591 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.637 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 904012028018  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)
uDate2002.3497 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag21.263 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.157 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag21.564 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.278 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag21.202 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 0.305 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 2.53 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 0.64 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA 0.27 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE -0.26 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
uisoA 6.02 arcsec Isophotal major diameter in u band (isoA_u) (phys.angSize;em.opt.U)
uisoB 3.09 arcsec Isophotal minor diameter in u band (isoB_u) (phys.angSize;em.opt.U)
uPA 14.9 deg Position angle of uisoA in u band (isoPhi_u) (pos.posAng)
gFlags 12008018  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)
gDate2002.3497 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag21.215 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.074 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag21.453 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.112 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag21.472 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.274 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 1.68 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 0.27 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA -0.18 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE -0.41 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gisoA 3.41 arcsec Isophotal major diameter in g band (isoA_g) (phys.angSize)
gisoB 3.20 arcsec Isophotal minor diameter in g band (isoB_g) (phys.angSize)
gPA115.4 deg Position angle of gisoA in g band (isoPhi_g) (pos.posAng)
rFlags 10404012008019  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)
rDate2002.3497 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag21.026 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.081 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag21.376 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.143 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag21.150 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.300 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 1.75 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 0.28 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 4.44 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 3.46 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA 43.1 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags 404012008019  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)
iDate2002.3497 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag20.974 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.113 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag21.325 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.177 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag21.136 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.400 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 1.67 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 0.22 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA -0.24 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 4.17 arcsec Isophotal major diameter in i band (isoA_i) (phys.angSize)
iisoB 3.46 arcsec Isophotal minor diameter in i band (isoB_i) (phys.angSize)
iPA 50.8 deg Position angle of iisoA in i band (isoPhi_i) (pos.posAng)
zFlags 2829019  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)
zDate2002.3497 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag21.591 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.637 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag21.804 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.844 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag21.886 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 2.307 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 1.30 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 1.21 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA 0.15 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE -0.37 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zisoA 3.20 arcsec Isophotal major diameter in z band (isoA_z) (phys.angSize)
zisoB 2.24 arcsec Isophotal minor diameter in z band (isoB_z) (phys.angSize)
zPA 30.8 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_ICRS240.665600 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+37.354565 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
ObsDate2002.3497 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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