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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===J164802.60+261256.1
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200016 48 02.60064 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+26 12 56.1276 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 46 00.12603 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+26 18 09.8000 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon046.32459914 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+37.65096382 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)
cl3  Type (class) of the object (type) (Note 1)   (src.class)
SDSSJ164802.60+261256.1  (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-ID3958.6.157.0383   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID587736754083922303  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)
parentID587736754083922298  Pointer to parent (if object deblended) (meta.id.parent)
rerun 40   [40,651] Re-run number (Note 2)   (meta.code)
flags 600890021058  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00005273   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
e_RA_ICRS 0.076 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
e_DE_ICRS 0.076 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ccPos-0.15  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)
umag18.429 mag (i) Model magnitude in u filter (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.055 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag17.146 mag (i) Model magnitude in g filter (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.008 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag17.208 mag (i) Model magnitude in r filter (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.011 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag17.131 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.017 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag17.236 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.067 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 4010029018  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)
uDate2003.4039 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag18.429 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.055 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag20.895 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.111 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag23.943 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag62.000 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 10.72 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 1.30 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA -0.39 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE 0.32 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
uisoA 25.22 arcsec Isophotal major diameter in u band (isoA_u) (phys.angSize;em.opt.U)
uisoB 7.91 arcsec Isophotal minor diameter in u band (isoB_u) (phys.angSize;em.opt.U)
uPA117.1 deg Position angle of uisoA in u band (isoPhi_u) (pos.posAng)
gFlags 10008018  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)
gDate2003.4039 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag17.146 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.008 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag19.936 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.096 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag17.157 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.218 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 14.53 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 3.02 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA 0.54 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE -0.39 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gisoA 45.38 arcsec Isophotal major diameter in g band (isoA_g) (phys.angSize)
gisoB 13.39 arcsec Isophotal minor diameter in g band (isoB_g) (phys.angSize)
gPA123.4 deg Position angle of gisoA in g band (isoPhi_g) (pos.posAng)
rFlags 10004010829018  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)
rDate2003.4039 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag17.208 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.011 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag20.207 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.250 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag17.058 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.325 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 18.68 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 5.51 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 40.11 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 13.09 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA124.0 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags 404010008019  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)
iDate2003.4039 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag17.131 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.017 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag20.166 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.381 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag17.245 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.825 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 17.49 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 17.35 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA 0.05 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE -0.13 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
iisoA 43.51 arcsec Isophotal major diameter in i band (isoA_i) (phys.angSize)
iisoB 12.32 arcsec Isophotal minor diameter in i band (isoB_i) (phys.angSize)
iPA125.7 deg Position angle of iisoA in i band (isoPhi_i) (pos.posAng)
zFlags 404010008019  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)
zDate2003.4039 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag17.236 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.067 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag20.356 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.314 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag22.199 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag92.300 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 13.71 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 13.56 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA -0.15 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE 0.09 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zisoA 59.11 arcsec Isophotal major diameter in z band (isoA_z) (phys.angSize)
zisoB 12.58 arcsec Isophotal minor diameter in z band (isoB_z) (phys.angSize)
zPA129.3 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_ICRS252.010836 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+26.215591 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
ObsDate2003.4039 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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