VizieR

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VizieR

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I/297/out NOMAD Catalog (Zacharias+ 2005)
The NOMAD-1 Catalog (1117612732 rows)
  -c=304.3494000 +59.9143306, eq=J2000, rs=2
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Note: The Naval Observatory Merged Astrometric Dataset (NOMAD) contains astrometric and photometric data for over 1 billion stars derived from the Hipparcos (I/239), Tycho-2 (I/259), UCAC2 (I/289), and USNO-B1.0 (I/284) catalogs for astrometry and optical photometry, supplemented by 2MASS (II/246) near-infrared photometry.
An efficient remote query program findnomad1 is available in the cdsclient package, for Unix/Linux platforms

ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (304.3494000+59.9143306)[FK5/J2000], at Epoch=J2000.0 (pos.angDistance)
_RAJ200020 17 23.856000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+59 54 51.59016 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 16 25.127015 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+59 45 28.24266 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon094.284077240 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+13.362560586 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)

NOMAD11499-0287344  NOMAD-identifier (Note 1)   (meta.id;meta.main)
USNO-B11499-0278572  Identifier in USNO-B1 (Cat. I/284) (Note 1)   (meta.id)
UCAC2 0   Number in UCAC2 (Cat. I/289) (meta.id)
Tycho-2 0   Identification in Tycho-2 or Hipparcos (Note 2)   (meta.id)
f_Tycho-2    [*] when distance NOMAD1/Tycho-2 > 1arcsec (meta.code)
YMYM   [YM.] Existence in YB6 or 2MASS (Cat. II/246) (meta.note)
RAJ2000304.3494000 deg (i) Right ascension in ICRS, Ep=J2000 (pos.eq.ra;meta.main)
DEJ2000+59.9143306 deg (i) Declination in ICRS, Ep=J2000 (pos.eq.dec;meta.main)
rB   [BCMYTH] Source of position (Note 3)   (meta.ref;pos.frame)
e_RAJ2000 93 mas Mean error on RAdeg (at epRA) (stat.error;pos.eq.ra)
e_DEJ2000 50 mas Mean error on DEdeg (at epDE) (stat.error;pos.eq.dec)
pmRA -2.0 mas/yr Proper motion in RA (*cos(Dec)) (pos.pm;pos.eq.ra)
e_pmRA 3.0 mas/yr Mean error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -6.0 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 1.0 mas/yr Mean error on pmDE (stat.error;pos.pm;pos.eq.dec)
Bmag16.370 mag Blue magnitude (phot.mag;em.opt.B)
r_BmagY   [BCMYTHo] Origin of Bmag (Note 3)   (meta.ref;pos.frame)
Vmag15.570 mag Visual magnitude (phot.mag;em.opt.V)
r_VmagY   [BCMYTH] Origin of Vmag (Note 3)   (meta.ref;pos.frame)
Rmag16.130 mag Red magnitude (phot.mag;em.opt.R)
r_RmagB   [BCMYTHe] Origin of Rmag (Note 3)   (meta.ref;pos.frame)
Jmag13.987 mag Infrared J magnitude (from 2MASS) (phot.mag;em.IR.J)
Hmag13.528 mag Infrared H magnitude (from 2MASS) (phot.mag;em.IR.H)
Kmag13.422 mag Infrared K magnitude (from 2MASS) (phot.mag;em.IR.K)
Xflags00001   [0-9a-f] Hexadecimal flags (Note 4)   (meta.code)
R    [R*] Recommended (R) or Problematic (*) (Note 4)   (meta.note)
  
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