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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===J154028.35+184009.8
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200015 40 28.35744 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+18 40 09.8940 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195015 38 13.12345 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+18 49 46.9957 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon029.80252843 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+50.35377942 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)
SDSSJ154028.35+184009.8  (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)
R4   [3457] Release inclusion (blank for new, 3,4,5 when already included in DR3/4/5) (meta.note)
SDSS-ID4674.4.210.0016   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID587739828210237456  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)
parentID587739828210237452  Pointer to parent (if object deblended) (meta.id.parent)
rerun 40   [40,651] Re-run number (Note 2)   (meta.code)
flags 600812061158  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00002673   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
e_RA_ICRS 0.052 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
e_DE_ICRS 0.051 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)
umag20.495 mag (i) Model magnitude in u filter (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.149 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag18.960 mag (i) Model magnitude in g filter (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.023 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag18.831 mag (i) Model magnitude in r filter (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.022 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag18.652 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.020 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag22.833 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 1.156 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 400012008019  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)
uDate2004.4498 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag20.495 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.149 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag20.506 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.856 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag20.669 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 1.948 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 1.30 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 1.21 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA 0.31 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE -0.10 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
uisoA 3.38 arcsec Isophotal major diameter in u band (isoA_u) (phys.angSize;em.opt.U)
uisoB 2.87 arcsec Isophotal minor diameter in u band (isoB_u) (phys.angSize;em.opt.U)
uPA175.3 deg Position angle of uisoA in u band (isoPhi_u) (pos.posAng)
gFlags 400012008019  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)
gDate2004.4498 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag18.960 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.023 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag18.980 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.978 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag19.090 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 2.036 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 1.43 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 0.70 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA -0.03 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE -0.38 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gisoA 4.85 arcsec Isophotal major diameter in g band (isoA_g) (phys.angSize)
gisoB 4.64 arcsec Isophotal minor diameter in g band (isoB_g) (phys.angSize)
gPA144.9 deg Position angle of gisoA in g band (isoPhi_g) (pos.posAng)
rFlags 10000012008018  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)
rDate2004.4498 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag18.831 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.022 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag18.881 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.728 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag18.918 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 1.611 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 1.15 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 0.55 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 4.87 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 4.68 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA 4.2 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags 12008018  Detection flags, i band (flags_i) (Note 3)   (meta.code)
is1   [0,2] 0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy)
ic6   [0,9] Phototype in i band, 6=Star (type_i) (Note 1)   (src.class.starGalaxy)
iDate2004.4498 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag18.652 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.020 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag18.707 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.387 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag18.752 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.943 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 1.48 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 0.72 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA 0.15 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE -0.55 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
iisoA 4.66 arcsec Isophotal major diameter in i band (isoA_i) (phys.angSize)
iisoB 4.52 arcsec Isophotal minor diameter in i band (isoB_i) (phys.angSize)
iPA 88.6 deg Position angle of iisoA in i band (isoPhi_i) (pos.posAng)
zFlags 20000008869119  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)
zDate2004.4498 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag22.833 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 1.156 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag22.833 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 8.237 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag22.834 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag16.739 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 0.25 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE 0.15 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_ICRS235.118156 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+18.669415 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
ObsDate2004.4498 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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