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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. (324960076 rows)
  objID=1237654604245106815
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Note: SDSS is also available from http://www.sdss3.org/dr9/

ColumnValue  Explain   (UCD)
_RAJ200009 37 44.52768 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+02 46 04.4112 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195009 35 08.80673 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+02 59 36.1727 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon232.06780842 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+37.72981047 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)

SDSS9J093744.52+024604.4  (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-ID2126-301-1-0168-0127   [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237654604245106815  (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)
parentID1237654604245106763  Pointer to parent (if object deblended) (meta.id.parent)
flags 1B000120E1114  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00000101   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
RA_ICRS144.435532 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
e_RA_ICRS 0.164 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
DE_ICRS+02.767892 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
e_DE_ICRS 0.171 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2001.1399 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)
umag25.765 mag (i) Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.616 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag25.718 mag (i) Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.635 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag25.282 mag (i) Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.670 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag22.573 mag (i) Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.251 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag22.636 mag (i) Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.675 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 200100088A9115  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)
uDate2001.1399 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag25.765 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.616 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag25.720 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.827 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag25.501 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 1.047 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 2.97 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad  arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA 0.01 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 0.03 arcsec de Vaucouleurs fit radius, u band (deVRad_u) (phys.angSize;src)
udVell 0.050 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
uPA 62.9 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
gFlags 200000088A9115  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)
gDate2001.1399 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag25.718 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.635 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag25.708 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.939 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag25.513 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 1.425 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 0.02 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE 0.06 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gdVrad 0.01 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 41.5 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
rFlags 200000088E9115  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)
rDate2001.1399 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag25.282 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.670 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag25.291 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.661 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag25.023 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 1.090 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 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
roDE 0.04 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
rdVrad 0.00 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.093 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
rPA 44.3 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
iFlags 109040120A8014  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)
iDate2001.1399 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag22.573 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.251 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag22.523 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.376 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag22.886 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.634 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 1.10 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 0.00 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE 0.00 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
idVrad 0.00 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.229 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
iPA166.3 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
zFlags 200000028A9115  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)
zDate2001.1399 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag22.636 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.675 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag22.621 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.782 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag22.712 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 1.156 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 0.00 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 0.29 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.098 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
zPA133.5 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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