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=2106
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ColumnValue  Explain   (UCD)
_RAJ200012 59 44.96300 "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 57.5400 "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 57 20.20090 "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 13 06.8749 "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)
_Glon057.42949491 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+87.98293681 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)
2106recno 2106  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SN2010ai  Supernova identifier (obs.field)
Seq 1  Standard star number (Note 1)   (meta.id;meta.main)
RAJ200012 59 44.963 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+27 56 57.54 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
Vmag15.365 mag V band magnitude (phot.mag;em.opt.V)
e_Vmag 0.015 mag The 1σ error in Vmag (stat.error;phot.mag;em.opt.V)
o_Vmag3  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 0.837 mag The (B-V) color index (phot.color;em.opt.B;em.opt.V)
e_B-V 0.021 mag The 1σ error in B-V (stat.error;phot.color;em.opt.B)
o_B-V3  Number of B-V observations (meta.number)
V-r 0.271 mag The (V-r') color index (phot.color;em.opt.V;em.opt.R)
e_V-r 0.010 mag The 1σ error in V-r (stat.error)
o_V-r3  Number of V-r observations (meta.number)
V-i 0.477 mag The (V-i') color index (phot.color;em.opt.V;em.opt.I)
e_V-i 0.015 mag The 1σ error in V-i (stat.error)
o_V-i3  Number of V-i observations (meta.number)
  
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