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VI/135/table8 All-sky spectrally matched Tycho2 stars (Pickles+, 2010)
[LandoltFit] UBVRI Photometric Standard Stars Around The Celestial Equator (Filter summary) (594 rows)
  recno=573
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ColumnValue  Explain   (UCD)
_RAJ200022 53 16.72800 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-14 15 49.3200 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195022 50 34.66856 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-14 31 13.9551 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon052.00402204 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-59.63007309 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)
573recno 573  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NameG156-57  Star name (meta.id;meta.main)
RAJ200022 53 16.728 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-14 15 49.32 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
Vmag10.192 mag Landolt V magnitude (phot.mag;em.opt.V)
B-V 1.557 mag Landolt B-V colour index (phot.color;em.opt.B;em.opt.V)
U-B 1.179 mag Landolt U-B colour index (phot.color;em.opt.U;em.opt.B)
V-R 1.179 mag Landolt V-R colour index (phot.color;em.opt.V;em.opt.R)
R-I 1.543 mag Landolt R-I colour index (phot.color;em.opt.R;em.opt.I)
V-I 2.730 mag Landolt V-I colour index (phot.color;em.opt.V;em.opt.I)
Nobs 18  Number of times star was observed (meta.number)
Nnig 11  Number of nights star was observed (meta.number)
e_Vmag 0.0017 mag Error on Vmag (stat.error;phot.mag;em.opt.V)
e_B-V 0.0015 mag Error on B-V (stat.error;phot.color;em.opt.B)
e_U-B 0.0035 mag Error on U-B (stat.error;phot.color;em.opt.U)
e_V-R 0.0008 mag Error on V-R (stat.error;phot.color;em.opt.V)
e_V-I 0.0006 mag Error on V-I (stat.error;phot.color;em.opt.V)
pmRA 951.0 mas/yr proper motion along RA (pos.pm;pos.eq.ra)
pmDE -676.0 mas/yr proper motion along DE (pos.pm;pos.eq.dec)
DLType   Spectral type from Drilling & Landolt, 1979, Cat. VI/19 (src.spType)
J2mag 5.934 mag 2MASS J magnitude (phot.mag;em.IR.J)
e_J2mag 0.019 mag Error on J2mag (stat.error;phot.mag;em.IR.J)
H2mag 5.349 mag 2MASS H magnitude (phot.mag;em.IR.H)
e_H2mag 0.049 mag Error on H2mag (stat.error;phot.mag;em.IR.H)
K2mag 5.010 mag 2MASS Ks magnitude (phot.mag;em.IR.K)
e_K2mag 0.021 mag Error on K2mag (stat.error;phot.mag;em.IR.K)
RA2deg343.31968 deg 2MASS right ascension (J2000) (pos.eq.ra)
DE2deg-14.26359 deg 2MASS Declination (J2000) (pos.eq.dec)
d2m 0.4 arcsec Distance from 2MASS data (pos.angDistance)
Zvmag  mag Vista Zv magnitude (phot.mag;em.opt.I)
Yvmag  mag Vista Yv magnitude (phot.mag;em.opt.I)
Jmkomag  mag UKIRT+MKO J magnitude (phot.mag;em.IR.J)
Hmkomag  mag UKIRT+MKO H magnitude (phot.mag;em.IR.H)
Kmkomag  mag UKIRT+MKO K magnitude (phot.mag;em.IR.K)
Rnmag 9.39 mag NOMAD R magnitude (phot.mag;em.opt.R)
  
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