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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===J135535.38+402658.1
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200013 55 35.38128 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+40 26 58.1352 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195013 53 29.03002 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+40 41 37.5748 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon082.17286135 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+71.21504247 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)
SDSSJ135535.38+402658.1  (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-ID3919.5.047.0039   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID587736586036117543  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)
parentID587736586036117537  Pointer to parent (if object deblended) (meta.id.parent)
rerun 40   [40,651] Re-run number (Note 2)   (meta.code)
flags 200400812020010  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00002673   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
e_RA_ICRS 0.050 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
e_DE_ICRS 0.049 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ccPos-0.01  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)
umag18.237 mag (i) Model magnitude in u filter (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.015 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag18.064 mag (i) Model magnitude in g filter (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.007 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag18.127 mag (i) Model magnitude in r filter (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.008 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag18.282 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.011 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag18.106 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.025 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 404012008011  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)
uDate2003.3246 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag18.237 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.015 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag18.566 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.098 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag18.130 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 0.165 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 2.22 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 0.07 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA 0.24 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE 0.14 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
uisoA 7.26 arcsec Isophotal major diameter in u band (isoA_u) (phys.angSize;em.opt.U)
uisoB 6.51 arcsec Isophotal minor diameter in u band (isoB_u) (phys.angSize;em.opt.U)
uPA121.0 deg Position angle of uisoA in u band (isoPhi_u) (pos.posAng)
gFlags 200404012000011  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)
gDate2003.3246 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag18.064 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.007 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag18.412 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.086 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag18.105 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.177 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 1.47 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 0.03 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA -0.02 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE 0.12 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gisoA 6.69 arcsec Isophotal major diameter in g band (isoA_g) (phys.angSize)
gisoB 5.98 arcsec Isophotal minor diameter in g band (isoB_g) (phys.angSize)
gPA127.6 deg Position angle of gisoA in g band (isoPhi_g) (pos.posAng)
rFlags 10004012000010  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)
rDate2003.3246 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag18.127 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.008 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag18.530 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.083 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag18.152 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.171 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 1.45 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 0.04 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 7.13 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 6.25 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA175.5 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags 200004012000010  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)
iDate2003.3246 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag18.282 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.011 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag18.729 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.090 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag18.333 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.193 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 1.35 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 0.04 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA 0.03 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE 0.03 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
iisoA 6.58 arcsec Isophotal major diameter in i band (isoA_i) (phys.angSize)
iisoB 6.03 arcsec Isophotal minor diameter in i band (isoB_i) (phys.angSize)
iPA169.5 deg Position angle of iisoA in i band (isoPhi_i) (pos.posAng)
zFlags 4012008010  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)
zDate2003.3246 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag18.106 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.025 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag18.613 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.108 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag18.066 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 0.203 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 1.59 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 0.09 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA -0.02 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE 0.10 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zisoA 6.64 arcsec Isophotal major diameter in z band (isoA_z) (phys.angSize)
zisoB 6.24 arcsec Isophotal minor diameter in z band (isoB_z) (phys.angSize)
zPA171.3 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_ICRS208.897422 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+40.449482 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
ObsDate2003.3246 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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