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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===J144459.19+270427.6
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200014 44 59.19936 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+27 04 27.6816 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195014 42 47.92412 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+27 17 04.2367 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon039.38495255 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+64.78427253 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)
SDSSJ144459.19+270427.6  (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)
R4   [3457] Release inclusion (blank for new, 3,4,5 when already included in DR3/4/5) (meta.note)
SDSS-ID4588.3.100.0002   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID587739458298970114  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)
parentID587739458298970113  Pointer to parent (if object deblended) (meta.id.parent)
rerun 40   [40,651] Re-run number (Note 2)   (meta.code)
flags 2019832F00E1B4C  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00002673   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
e_RA_ICRS 0.363 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
e_DE_ICRS 0.363 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ccPos 0.00  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)
umag 8.933 mag (i) Model magnitude in u filter (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.002 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag 7.540 mag (i) Model magnitude in g filter (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.002 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag 7.386 mag (i) Model magnitude in r filter (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.001 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag11.569 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.006 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag 7.558 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.004 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 40019C0710F926C  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)
uDate2004.3076 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag 8.933 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.002 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag12.326 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 1.086 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag 8.302 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 0.001 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 28.55 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 0.14 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA -3.29 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE -7.65 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
uisoA 249.07 arcsec Isophotal major diameter in u band (isoA_u) (phys.angSize;em.opt.U)
uisoB 168.89 arcsec Isophotal minor diameter in u band (isoB_u) (phys.angSize;em.opt.U)
uPA 26.8 deg Position angle of uisoA in u band (isoPhi_u) (pos.posAng)
gFlags C0099C0790F126C  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)
gDate2004.3076 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag 7.540 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.002 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag 9.656 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.001 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag 7.334 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.004 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 36.86 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 0.60 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA -2.82 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE -7.38 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 A7099C0790F926C  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)
rDate2004.3076 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag 7.386 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.001 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag10.115 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.001 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag 7.057 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.005 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 46.07 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 1.56 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 18.39 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 17.49 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA 16.1 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags C0099C0790F176C  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)
iDate2004.3076 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag11.569 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.006 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag 9.230 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.001 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag 5.979 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.002 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 258.38 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad  arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA  arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE  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 40098C0398F926C  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)
zDate2004.3076 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag 7.558 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.004 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag10.698 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.015 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag 5.260 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 0.003 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 27.40 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 22.56 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA -2.94 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE -8.72 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zisoA 13.46 arcsec Isophotal major diameter in z band (isoA_z) (phys.angSize)
zisoB 11.64 arcsec Isophotal minor diameter in z band (isoB_z) (phys.angSize)
zPA 66.8 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_ICRS221.246664 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+27.074356 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
ObsDate2004.3076 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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