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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=1237680276871381584
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Note: SDSS is also available from http://www.sdss3.org/dr9/

ColumnValue  Explain   (UCD)
_RAJ200000 08 57.57384 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+27 32 51.8280 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 06 22.64360 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+27 16 10.4824 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon111.51307663 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-34.38038835 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)

SDSS9J000857.57+273251.8  (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-ID8103-301-4-0109-0592  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237680276871381584  (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)
parentID 0  Pointer to parent (if object deblended) (meta.id.parent)
flags0000080001010000100  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00000401   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
RA_ICRS002.239891 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
e_RA_ICRS 0.082 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
DE_ICRS+27.547730 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
e_DE_ICRS 0.058 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2009.7916 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)
umag22.263 mag (i) Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.444 mag Mean error on umag (err_u) (stat.error;phot.mag)
gmag21.602 mag (i) Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.077 mag Mean error on gmag (err_g) (stat.error;phot.mag)
rmag20.931 mag (i) Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.072 mag Mean error on rmag (err_r) (stat.error;phot.mag)
imag20.925 mag (i) Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.100 mag Mean error on imag (err_i) (stat.error;phot.mag)
zmag21.004 mag (i) Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.445 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)
uFlags0000020000008008001  Detection flags, u band (flags_u) (Note 3)   (meta.code)
us0   [0,1] 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)
uDate2009.7916 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag22.263 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.444 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag22.331 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.410 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag21.652 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 0.528 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 3.66 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 3.54 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA 0.00 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE -0.03 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
udVrad 1.79 arcsec de Vaucouleurs fit radius, u band (deVRad_u) (phys.angSize;src)
udVell 0.345 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
uPA162.0 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
gFlags0000000004010008000  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)
gDate2009.7916 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag21.602 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.077 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
gpmag21.710 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.078 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag21.796 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.171 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 1.99 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 0.27 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA 0.10 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE -0.03 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gdVrad 0.11 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 1.000 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
gPA 61.7 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
rFlags0000010004010008000  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)
rDate2009.7916 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag20.931 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.072 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
rpmag21.131 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.073 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag20.911 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.150 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 1.97 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 0.29 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 0.57 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)
rPA105.5 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
iFlags0000000004010008000  Detection flags, i band (flags_i) (Note 3)   (meta.code)
is1   [0,1] 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)
iDate2009.7916 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag20.925 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.100 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
ipmag21.101 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.098 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag21.032 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.240 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 1.87 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 0.35 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA 0.14 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE 0.17 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
idVrad 0.24 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.096 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
iPA130.8 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
zFlags0000020000008008501  Detection flags, z band (flags_z) (Note 3)   (meta.code)
zs0   [0,1] 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)
zDate2009.7916 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag21.004 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.445 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
zpmag21.294 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.463 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag20.285 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 0.569 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 7.36 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad  arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA 0.02 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE -0.03 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zdVrad 18.78 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.100 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
zPA 93.3 deg Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
pmRA -5 mas/yr Proper motion along RightAscension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
e_pmRA 5 mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDE -9 mas/yr Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
e_pmDE 5 mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA 0.26 arcsec RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE 1.19 arcsec RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
M1  Number of USNO-B objects matched within 1arcsec (match) (Note 8)   (meta.number)
N4  Number of detections used in the pm fit, including SDSS (nFit) (Note 8)   (meta.number)
g(O)21.4 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)21.4 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)19.7 mag Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
  
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