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VizieR

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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===J131828.74+373847.6
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200013 18 28.74192 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+37 38 47.6160 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195013 16 12.12522 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+37 54 33.1089 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon096.19957124 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+78.04129332 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)
SDSSJ131828.74+373847.6  (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)
R7   [3457] Release inclusion (blank for new, 3,4,5 when already included in DR3/4/5) (meta.note)
SDSS-ID4470.6.093.0277   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID587738953102983445  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)
parentID587738953102983443  Pointer to parent (if object deblended) (meta.id.parent)
rerun 40   [40,651] Re-run number (Note 2)   (meta.code)
flags 1401092020110  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00002673   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
e_RA_ICRS 0.110 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
e_DE_ICRS 0.104 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ccPos-0.02  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)
umag22.227 mag (i) Model magnitude in u filter (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.235 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag23.496 mag (i) Model magnitude in g filter (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.245 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag22.628 mag (i) Model magnitude in r filter (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.191 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag24.357 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.820 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag22.874 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.673 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 4012000010  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)
uDate2004.1300 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag22.227 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.235 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag22.227 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.226 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag22.508 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 0.637 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 1.02 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 0.24 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA 0.04 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE 0.09 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
uisoA 3.33 arcsec Isophotal major diameter in u band (isoA_u) (phys.angSize;em.opt.U)
uisoB 1.75 arcsec Isophotal minor diameter in u band (isoB_u) (phys.angSize;em.opt.U)
uPA 21.1 deg Position angle of uisoA in u band (isoPhi_u) (pos.posAng)
gFlags 2808111  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)
gDate2004.1300 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag23.496 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.245 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag23.545 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.534 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag23.491 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 1.185 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 2.97 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad  arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA 0.10 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE 0.06 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gisoA 1.75 arcsec Isophotal major diameter in g band (isoA_g) (phys.angSize)
gisoB 1.42 arcsec Isophotal minor diameter in g band (isoB_g) (phys.angSize)
gPA 9.1 deg Position angle of gisoA in g band (isoPhi_g) (pos.posAng)
rFlags 10400012000011  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)
rDate2004.1300 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag22.628 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.191 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag22.647 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.428 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag22.849 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 1.065 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 1.23 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 1.05 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 2.29 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 2.11 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA 96.0 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags 2000000A828111  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)
iDate2004.1300 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag24.357 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.820 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag24.357 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 1.712 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag24.357 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 3.425 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 2.97 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad  arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA 0.09 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE 0.07 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
iisoA  arcsec Isophotal major diameter in i band (isoA_i) (phys.angSize)
iisoB  arcsec Isophotal minor diameter in i band (isoB_i) (phys.angSize)
iPA  deg Position angle of iisoA in i band (isoPhi_i) (pos.posAng)
zFlags 20000008806111  Detection flags, z band (flags_z) (Note 3)   (meta.code)
zs1   [0,2] 0=notStar, 1=Star in z band (probPSF_z) (src.class.starGalaxy)
zc6   [0,9] Phototype in z band, 6=Star (type_z) (Note 1)   (src.class.starGalaxy)
zDate2004.1300 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag22.874 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.673 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag22.839 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.688 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag22.803 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 1.532 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 2.97 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad  arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA 0.09 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE 0.07 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zisoA  arcsec Isophotal major diameter in z band (isoA_z) (phys.angSize)
zisoB  arcsec Isophotal minor diameter in z band (isoB_z) (phys.angSize)
zPA  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_ICRS199.619758 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+37.646560 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
ObsDate2004.1300 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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