VizieR

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VizieR

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I/297/out NOMAD Catalog (Zacharias+ 2005)
The NOMAD-1 Catalog (1117612732 rows)
  -c=186.9028325 +08.1543475, 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 (186.9028325+08.1543475)[FK5/J2000], at Epoch=J2000.0 (pos.angDistance)
_RAJ200012 27 36.679800 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+08 09 15.65100 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195012 25 04.045024 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+08 25 51.09358 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon285.273839045 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+70.204950535 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)

NOMAD10981-0256620  NOMAD-identifier (Note 1)   (meta.id;meta.main)
USNO-B10981-0253429  Identifier in USNO-B1 (Cat. I/284) (Note 1)   (meta.id)
UCAC234657727   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)
RAJ2000186.9028325 deg (i) Right ascension in ICRS, Ep=J2000 (pos.eq.ra;meta.main)
DEJ2000+08.1543475 deg (i) Declination in ICRS, Ep=J2000 (pos.eq.dec;meta.main)
rC   [BCMYTH] Source of position (Note 3)   (meta.ref;pos.frame)
e_RAJ2000 42 mas Mean error on RAdeg (at epRA) (stat.error;pos.eq.ra)
e_DEJ2000 3 mas Mean error on DEdeg (at epDE) (stat.error;pos.eq.dec)
pmRA -1.7 mas/yr Proper motion in RA (*cos(Dec)) (pos.pm;pos.eq.ra)
e_pmRA 5.4 mas/yr Mean error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 2.4 mas/yr Proper motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 2.6 mas/yr Mean error on pmDE (stat.error;pos.pm;pos.eq.dec)
Bmag13.420 mag Blue magnitude (phot.mag;em.opt.B)
r_Bmago   [BCMYTHo] Origin of Bmag (Note 3)   (meta.ref;pos.frame)
Vmag 9.830 mag Visual magnitude (phot.mag;em.opt.V)
r_VmagY   [BCMYTH] Origin of Vmag (Note 3)   (meta.ref;pos.frame)
Rmag12.280 mag Red magnitude (phot.mag;em.opt.R)
r_RmagB   [BCMYTHe] Origin of Rmag (Note 3)   (meta.ref;pos.frame)
Jmag12.269 mag Infrared J magnitude (from 2MASS) (phot.mag;em.IR.J)
Hmag11.320 mag Infrared H magnitude (from 2MASS) (phot.mag;em.IR.H)
Kmag11.115 mag Infrared K magnitude (from 2MASS) (phot.mag;em.IR.K)
Xflags00200   [0-9a-f] Hexadecimal flags (Note 4)   (meta.code)
R    [R*] Recommended (R) or Problematic (*) (Note 4)   (meta.note)
  
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