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VizieR

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J/ApJS/200/12/table4 CfA4: light curves for 94 type Ia SNe (Hicken+, 2012)
Standard system comparison star photometry (2301 rows)
  recno=2116
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ColumnValue  Explain   (UCD)
_RAJ200012 59 11.78800 "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+28 00 04.0200 "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)
_RAB195012 56 46.96211 "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+28 16 13.9631 "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)
_Glon060.29237758 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+88.07171274 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)
2116recno 2116  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SN2010ai  Supernova identifier (obs.field)
Seq11  Standard star number (Note 1)   (meta.id;meta.main)
RAJ200012 59 11.788 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+28 00 04.02 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
Vmag15.492 mag V band magnitude (phot.mag;em.opt.V)
e_Vmag 0.012 mag The 1σ error in Vmag (stat.error;phot.mag;em.opt.V)
o_Vmag7  Number of Vmag observations (meta.number)
U-B 0.302 mag The (U-B) color index (Note 2)   (phot.color;em.opt.U;em.opt.B)
e_U-B 0.096 mag The 1σ error in U-B (stat.error;phot.color;em.opt.U)
o_U-B1  Number of U-B observations (meta.number)
B-V 0.784 mag The (B-V) color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.016 mag The 1σ error in B-V (stat.error;phot.color;em.opt.B)
o_B-V7  Number of B-V observations (meta.number)
V-r 0.234 mag The (V-r') color index (phot.color;em.opt.V;em.opt.R)
e_V-r 0.009 mag The 1σ error in V-r (stat.error)
o_V-r7  Number of V-r observations (meta.number)
V-i 0.398 mag The (V-i') color index (phot.color;em.opt.V;em.opt.I)
e_V-i 0.010 mag The 1σ error in V-i (stat.error)
o_V-i7  Number of V-i observations (meta.number)
  
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