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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===J171605.12+683655.0
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200017 16 05.12256 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+68 36 55.0332 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195017 16 19.05883 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+68 40 05.2768 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon099.27994746 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+33.76203030 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)
SDSSJ171605.12+683655.0  (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-ID2392.1.081.0506   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID588011500452512250  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)
parentID 0  Pointer to parent (if object deblended) (meta.id.parent)
rerun 41   [40,651] Re-run number (Note 2)   (meta.code)
flags 1801010020100  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00006673   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
e_RA_ICRS 0.066 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
e_DE_ICRS 0.056 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ccPos 0.11  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)
umag23.065 mag (i) Model magnitude in u filter (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.754 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag21.942 mag (i) Model magnitude in g filter (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.135 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag21.892 mag (i) Model magnitude in r filter (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.150 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag21.947 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.262 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag21.672 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.656 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 20000008800101  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)
uDate2001.4574 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag23.065 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.754 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag23.165 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.690 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag26.689 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 1.006 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 2.97 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad  arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA 0.01 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  arcsec Isophotal major diameter in u band (isoA_u) (phys.angSize;em.opt.U)
uisoB  arcsec Isophotal minor diameter in u band (isoB_u) (phys.angSize;em.opt.U)
uPA  deg Position angle of uisoA in u band (isoPhi_u) (pos.posAng)
gFlags 20004018808100  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)
gDate2001.4574 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag21.942 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.135 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag22.145 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.132 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag21.980 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.296 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 -0.01 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE 0.13 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gisoA  arcsec Isophotal major diameter in g band (isoA_g) (phys.angSize)
gisoB  arcsec Isophotal minor diameter in g band (isoB_g) (phys.angSize)
gPA  deg Position angle of gisoA in g band (isoPhi_g) (pos.posAng)
rFlags 10004010800100  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)
rDate2001.4573 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag21.892 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.150 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag22.149 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.152 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag22.342 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.501 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 2.97 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad  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 6.30 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 1.23 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA 25.2 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags 20800008820101  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)
iDate2001.4573 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag21.947 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.262 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag22.271 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.621 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag21.972 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.606 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 0.01 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE 0.09 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 20000008000001  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)
zDate2001.4574 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag21.672 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.656 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag21.896 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.607 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag20.885 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 0.794 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 0.11 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 0.69 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA 0.01 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  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_ICRS259.021344 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+68.615287 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
ObsDate2001.4574 yr Mean Observation date (time.epoch;obs;stat.mean)
Q1  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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