VizieR

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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=2112
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ColumnValue  Explain   (UCD)
_RAJ200012 59 24.76100 "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+27 56 24.1600 "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 59.94472 "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 12 33.8663 "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)
_Glon058.05458972 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+88.05469033 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)
2112recno 2112  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SN2010ai  Supernova identifier (obs.field)
Seq 7  Standard star number (Note 1)   (meta.id;meta.main)
RAJ200012 59 24.761 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+27 56 24.16 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
Vmag15.921 mag V band magnitude (phot.mag;em.opt.V)
e_Vmag 0.013 mag The 1σ error in Vmag (stat.error;phot.mag;em.opt.V)
o_Vmag7  Number of Vmag observations (meta.number)
U-B  mag The (U-B) color index (Note 2)   (phot.color;em.opt.U;em.opt.B)
e_U-B  mag The 1σ error in U-B (stat.error;phot.color;em.opt.U)
o_U-B0  Number of U-B observations (meta.number)
B-V 0.950 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 0.287 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 0.474 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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