VizieR

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VizieR

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VI/135/table7 All-sky spectrally matched Tycho2 stars (Pickles+, 2010)
[LandoltCat] Landolt catalog fits with 8 L2M filter bands (Landolt's UBVRI and 2MASS JHKs) for 594 stars (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) (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)
_DEJ2000-14 15 49.3200 "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)
_RAB195022 50 37.93275 "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)
_DEB1950-14 31 47.6164 "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)
_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)

Seq572   [0/593] Sequential number (meta.record)
NameG156-57  Star name (meta.id;meta.main)
RAJ200022 53 16.728 "h:m:s" (i) Right ascension (J2000) (Note 1)   (pos.eq.ra;meta.main)
DEJ2000-14 15 49.32 "d:m:s" (i) Declination (J2000) (Note 1)   (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)
V-I 2.730 mag Landolt V-I colour index (phot.color;em.opt.V;em.opt.I)
Nobs 18  Number of observations (meta.number)
DLType   Spectral type from Drilling & Landolt (1979, Cat. VI/19) (src.spType)
rnk 1  Fitted rank (meta.code.qual)
chi2 163.58  chi2 value (stat.fit.chi2)
RUI 0.173 mag rms error in Landolt magnitudes RUI (stat.error;phot.mag)
RBI 0.066 mag rms error in Landolt magnitudes RBI (stat.error;phot.mag)
Lib 43  Fitted spectral library number (meta.id)
TypeM4.2V  Fitted spectral type (src.spType)
BTmag12.332 mag Fitted Tycho BT magnitude (phot.mag;em.opt.B)
VTmag10.424 mag Fitted Tycho VT magnitude (phot.mag;em.opt.V)
J2mag 5.778 mag Fitted 2MASS J magnitude (phot.mag;em.IR.J)
H2mag 5.218 mag Fitted 2MASS H magnitude (phot.mag;em.IR.H)
K2mag 4.951 mag Fitted 2MASS Ks magnitude (phot.mag;em.IR.K)
Ufmag13.292 mag Fitted U magnitude (phot.mag;em.opt.U)
Bfmag11.849 mag Fitted B magnitude (phot.mag;em.opt.B)
Vfmag10.233 mag Fitted V magnitude (phot.mag;em.opt.V)
Rfmag 8.938 mag Fitted R magnitude (phot.mag;em.opt.R)
Ifmag 7.446 mag Fitted I magnitude (phot.mag;em.opt.I)
Zvmag 6.864 mag Fitted Zv magnitude (phot.mag;em.opt.I)
Yvmag 6.413 mag Fitted Yv magnitude (phot.mag;em.opt.I)
u'mag14.253 mag Fitted u' magnitude (phot.mag;em.opt.U)
g'mag10.988 mag Fitted g' magnitude (phot.mag;em.opt.B)
r'mag 9.607 mag Fitted r' magnitude (phot.mag;em.opt.R)
i'mag 8.054 mag Fitted i' magnitude (phot.mag;em.opt.I)
z'mag 7.388 mag Fitted z' magnitude (phot.mag;em.opt.I)
Dist 4 pc Heliocentric distance (pos.distance)
  
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