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VizieR

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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. (794013950 rows)
  objID=1237657234375639071
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Note: SDSS is also available from http://www.sdss3.org/dr9/

ColumnValue  Explain   (UCD)
_RAJ200002 28 51.88320 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+00 20 09.8268 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 26 17.96840 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+00 06 48.4370 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon167.36771281 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-53.90942201 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)

mode2   [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)

SDSS9J022851.88+002009.8  (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-ID2738-301-4-0167-0031  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237657234375639071  (i) SDSS unique object identifier (2) (links to SDSS-DR9 details) (Note)   (meta.id;meta.main)
Sp-ID  (i) Spectroscopic Plate-MJD-Fiber identifier (Note 7)   (meta.id)
SpObjID 0  Pointer to the spectrum of object, or 0 (7) (Note)   (meta.id)
parentID1237657234375639067  Pointer to parent (if object deblended) (meta.id.parent)
flags0000080301812161010  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00000401   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
RA_ICRS037.216180 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
e_RA_ICRS 0.083 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
DE_ICRS+00.336063 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
e_DE_ICRS 0.059 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2001.8899 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)
umag21.660 mag (i) Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.172 mag Mean error on umag (err_u) (stat.error;phot.mag)
gmag21.664 mag (i) Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.070 mag Mean error on gmag (err_g) (stat.error;phot.mag)
rmag21.783 mag (i) Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.113 mag Mean error on rmag (err_r) (stat.error;phot.mag)
imag21.307 mag (i) Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.097 mag Mean error on imag (err_i) (stat.error;phot.mag)
zmag22.289 mag (i) Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.728 mag Mean error on zmag (err_z) (stat.error;phot.mag)
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)
uFlags0000000004012000010  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)
uDate2001.8899 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag21.660 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.172 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag21.727 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.152 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag22.148 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 0.481 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 1.11 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 0.18 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA -0.21 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE 0.28 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 0.228 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
uPA 70.9 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
gFlags0000000004012008010  Detection flags, g band (flags_g) (Note 3)   (meta.code)
gs1   [0,1] 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)
gDate2001.8899 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag21.664 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.070 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
gpmag21.782 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.071 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag21.925 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.159 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 1.40 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 0.18 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA 0.06 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE 0.11 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gdVrad 0.12 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.149 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
gPA 73.8 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
rFlags0000010104012020010  Detection flags, r band (flags_r) (Note 3)   (meta.code)
rs0   [0,1] 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)
rDate2001.8899 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag21.783 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.113 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
rpmag21.954 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.105 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag21.966 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.260 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 1.40 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 0.23 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)
rdVrad 0.37 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 97.5 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
iFlags0000000004012108010  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)
iDate2001.8899 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag21.307 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.097 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
ipmag21.509 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.102 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag21.320 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.223 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 1.57 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 0.41 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA -0.04 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE 0.02 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
idVrad 0.29 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.801 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
iPA143.4 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
zFlags0000020010002061011  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)
zDate2001.8899 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag22.289 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.728 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
zpmag22.184 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.512 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag22.688 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 1.851 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 0.61 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 0.55 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA 0.06 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE -0.04 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zdVrad 0.19 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.099 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
zPA 18.1 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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