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V/139/sdss9 The SDSS Photometric Catalog, Release 9 (Adelman-McCarthy+, 2012)
Data Release 9 (469,053,874 primary sources plus 324,960,076 secondary sources); 2,674,200 spectroscopic targets. Data Release 9 is the first release of the spectra from the SDSS-III's Baryon Oscillation Spectroscopic Survey (BOSS). The photometric part contains the same sources as the Data Release 8, with a corrected astrometry. (324960076 rows)
  objID=1237668649316581959
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Note: SDSS is also available from http://www.sdss3.org/dr9/

ColumnValue  Explain   (UCD)
_RAJ200016 10 57.28056 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-02 30 03.2076 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 08 20.97645 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-02 22 19.1880 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon009.41851892 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+33.57764541 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 (469,053,874 sources), 2: secondary (324,960,076 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 object (3=galaxy, 6=star) (Note 1)   (src.class)

SDSS9J161057.28-023003.2  (i) SDSS-DR9 name, based on J2000 position (meta.id)
m_SDSS9    [*] The asterisk indicates that 2 different SDSS objects share the same SDSS9 name (meta.code.multip)
ImIm  Image from SDSS-server (meta.ref.url)

SDSS-ID5396-301-2-0039-0583   [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237668649316581959  (i) SDSS unique object identifier (2) (links to SDSS-DR9 details) (Note)   (meta.id;meta.main)
Sp-ID  Spectroscopic Plate-MJD-Fiber identifier (Note 7)   (meta.id)
SpObjID 0  Pointer to the spectrum of object, or 0 (7) (Note)   (meta.id)
parentID1237668649316581955  Pointer to parent (if object deblended) (meta.id.parent)
flags 1B00092021110  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00000101   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
RA_ICRS242.738669 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
e_RA_ICRS 0.132 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
DE_ICRS-02.500891 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
e_DE_ICRS 0.130 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2005.4324 yr Mean Observation date (time.epoch;obs;stat.mean)
Q3   [0/5] Quality of the observation (0=unknown): 1=bad 2=acceptable 3=good 4=missing 5=hole (Note 6)   (meta.code.qual;obs.param;obs)
umag24.723 mag (i) Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 1.220 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag25.140 mag (i) Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.728 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag23.495 mag (i) Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.430 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag22.948 mag (i) Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.368 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag20.499 mag (i) Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.168 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
zsp    Spectroscopic redshift (when SpObjID>0) (Note 7)   (src.redshift)
e_zsp    Mean error on zsp (negative for bad fit) (Note 7)   (stat.error)
f_zsp    [0/255] "zwarning" flag (Note 9)   (meta.code)
Vdisp  km/s Velocity dispersion (velDisp) (phys.veloc.dispersion)
e_Vdisp  km/s Mean error on Vdisp (velDispErr) (stat.error)
spInst    [SDSS BOSS] Spectral instrument (instrument) (meta.id;instr)
spType   Source type (sourceType) (10) (list of types) (Note)   (src.class)
spCl   Spectroscopic class (class): GALAXY, QSO, STAR (meta.code.class;pos.parallax.spect)
subClass   Spectroscopic subclass (subClass) (Note 11)   (src.spType)
spS/N    Median signal-to-noise over all good pixels (snMedian) (em.wl.central;stat.median)
uFlags 20000008000511  Detection flags, u band (flags_u) (Note 3)   (meta.code)
us1   [0,1] 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)
uDate2005.4324 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag24.723 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 1.220 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag24.681 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 1.186 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag24.841 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 1.713 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 4.58 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad  arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA 0.05 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)
udVrad 0.00 arcsec de Vaucouleurs fit radius, u band (deVRad_u) (phys.angSize;src)
udVell 0.122 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
uPA164.7 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
gFlags 2000000A800111  Detection flags, g band (flags_g) (Note 3)   (meta.code)
gs0   [0,1] 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)
gDate2005.4325 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag25.140 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.728 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag25.149 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.754 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag25.079 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 1.190 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 0.05 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE -0.07 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gdVrad 0.53 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.050 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
gPA 75.2 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
rFlags 20000000821111  Detection flags, r band (flags_r) (Note 3)   (meta.code)
rs1   [0,1] 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)
rDate2005.4324 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag23.495 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.430 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag23.489 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.540 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag23.621 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 1.083 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 0.05 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
roDE -0.08 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
rdVrad 0.28 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.050 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
rPA 51.8 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
iFlags 2800011  Detection flags, i band (flags_i) (Note 3)   (meta.code)
is0   [0,1] 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)
iDate2005.4324 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag22.948 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.368 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag23.012 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.426 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag22.853 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.738 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 1.34 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 1.23 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA 0.05 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE -0.08 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
idVrad 0.92 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.050 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
iPA 34.9 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
zFlags 10904012020010  Detection flags, z band (flags_z) (Note 3)   (meta.code)
zs1   [0,1] 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)
zDate2005.4325 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag20.499 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.168 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag20.525 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 1.201 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag20.819 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 0.428 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 1.12 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 0.18 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA 0.00 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE 0.00 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zdVrad 0.11 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.150 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
zPA 14.1 deg Position angle of dVrad in z band (deVPhi_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)
  
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