VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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J/AJ/134/973/stdcat SDSS Stripe 82 star catalogs (Ivezic+, 2007)
*SDSS Stripe 82 Standard Star Catalog (v2.6) (1006849 rows)
  recno=721114
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ColumnValue  Explain   (UCD)
_RAJ200000 28 20.07967 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (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.eq.ra)
_DEJ2000-00 51 46.0690 "d:m:s" Declination (FK5, Equinox=J2000.0) (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.eq.dec)
_RAB195000 25 46.44802 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (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.eq.ra)
_DEB1950-01 08 21.1662 "d:m:s" Declination (FK4, Equinox=B1950.0) (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.eq.dec)
_Glon110.05640252 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-63.15554232 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)
721114recno 721114  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000007.083665 deg (i) Right ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
e_RAJ2000 0.053 arcsec [0/0.5] Right ascension rms (Note 1)   (stat.error;pos.eq.ra)
DEJ2000-00.862797 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
e_DEJ2000 0.077 arcsec [0/0.8] Declination rms (Note 1)   (stat.error;pos.eq.dec)
Nep 10   [4/29] Total number of epochs (meta.number)
Ar 0.052 mag [0.03/1.7] ISM extinction value in the r band (Note 2)   (phys.absorption)
Nu 8   [0/28] Total number of observations in u band (meta.number)
umed21.962 mag [-0.4/27.6] Median u magnitude (grey values have less than 5 observations, and should be dicarded) (phot.mag;em.opt.U)
umag21.909 mag [-0.4/27.9] Mean u-band magnitude (grey values have less than 5 observations, and should be dicarded) (phot.mag;em.opt.U)
e_umag 0.064 mag [0/0.3] Standard error on umag (3) (grey values have less than 5 observations, and should be dicarded) (Note)   (stat.error;phot.mag;em.opt.U)
s_umag 0.139 mag [0/4] u-band root-mean-square scatter (grey values have less than 5 observations, and should be dicarded) (stat.error;phot.mag;em.opt.U)
uchi2 0.6   [0/442] chi2 per degree of freedom (computed using the mean u-band magnitude) (stat.fit.chi2)
Ng 10   [4/28] Total number of observations in g band (meta.number)
gmed21.280 mag [13.76/23.78] Median g magnitude (phot.mag;em.opt.B)
gmag21.281 mag [13.76/23.73] Mean g-band magnitude (phot.mag;em.opt.B)
e_gmag 0.017 mag [0.002/0.2] Standard error on gmag (Note 3)   (stat.error;phot.mag;em.opt.B)
s_gmag 0.057 mag [0/0.5] g-band root-mean-square scatter (stat.error;phot.mag)
gchi2 1.1   [0/3] chi2 per degree of freedom (computed using the mean g-band magnitude) (stat.fit.chi2)
Nr 10   [4/28] Total number of observations in r band (meta.number)
rmed20.862 mag [13.4/21.9] Median r magnitude (phot.mag;em.opt.R)
rmag20.869 mag [13.4/21.87] Mean r-band magnitude (phot.mag;em.opt.R)
e_rmag 0.014 mag [0.002/0.05] Standard error on rmag (Note 3)   (stat.error;phot.mag;em.opt.R)
s_rmag 0.043 mag [0/0.4] r-band root-mean-square scatter (stat.error;phot.mag)
rchi2 0.9   [0/3] chi2 per degree of freedom (computed using the mean r-band magnitude) (stat.fit.chi2)
Ni 10   [4/28] Total number of observations in i band (meta.number)
imed20.771 mag [13.27/22.18] Median i magnitude (phot.mag;em.opt.I)
imag20.731 mag [13.27/22.15] Mean i-band magnitude (phot.mag;em.opt.I)
e_imag 0.018 mag [0.002/0.2] Standard error on imag (Note 3)   (stat.error;phot.mag;em.opt.I)
s_imag 0.071 mag [0.001/0.5] i-band root-mean-square scatter (stat.error;phot.mag)
ichi2 1.5   [0/3] chi2 per degree of freedom (computed using the mean i-band magnitude) (stat.fit.chi2)
Nz 10   [0/28] Total number of observations in z band (meta.number)
zmed20.689 mag [-0.03/21.8] Median z magnitude (grey values have less than 5 observations, and should be dicarded) (phot.mag;em.opt.I)
zmag20.602 mag [-0.03/21.9] Mean z-band magnitude (grey values have less than 5 observations, and should be dicarded) (phot.mag;em.opt.I)
e_zmag 0.059 mag [0/0.3] Standard error on zmag (3) (grey values have less than 5 observations, and should be dicarded) (Note)   (stat.error;phot.mag;em.opt.I)
s_zmag 0.276 mag [0/1.2] z-band root-mean-square scatter (grey values have less than 5 observations, and should be dicarded) (stat.error;phot.mag)
zchi2 1.5   [0/2088] chi2 per degree of freedom (computed using the mean z-band magnitude) (stat.fit.chi2)

SloanSloan  Display the online SDSS data for the nearest object (meta.ref.url)
  
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