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I/280B/ascc All-sky Compiled Catalogue of 2.5 million stars (Kharchenko+ 2009)
ASCC-2.5 V3: All-sky Compiled Catalogue of 2.5 million stars, 3rd version (2501313 rows)
  TYC1=1242, TYC2=00608, TYC3=1
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ColumnValue  Explain   (UCD)
_RAJ200003 34 36.2316290 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+20 35 57.227314 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 31 42.3129941 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+20 26 00.721684 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon166.7961370425 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-28.0533836451 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
748691recno 748691  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000053.65086965 deg (i) Right Ascension J2000.0, epoch 1991.25 (pos.eq.ra;meta.main)
e_RAJ2000 51.4 mas Standard error in RA*cos(DEdeg) (stat.error)
DEJ2000+20.59935457 deg (i) Declination J2000.0, epoch 1991.25 (pos.eq.dec;meta.main)
e_DEJ2000 65.5 mas Standard error in DEdeg (stat.error;pos.eq.dec)
Plx 1.88 mas Trigonometric parallax (Note)   (pos.parallax.trig)
e_Plx 65.08 mas Standard error in Plx (Note)   (stat.error;pos.parallax)
pmRA 36.77 mas/yr Proper Motion in RA*cos(DE) (pos.pm;pos.eq.ra)
e_pmRA 1.34 mas/yr Standard error in pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -51.33 mas/yr Proper Motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 1.25 mas/yr Standard error in pmDE (stat.error;pos.pm;pos.eq.dec)
Bmag11.666 mag B magnitude in Johnson system (Note)   (phot.mag;em.opt.B)
e_Bmag 0.150 mag Standard error on Bmag (Note)   (stat.error;phot.mag;em.opt.B)
Vmag10.781 mag (i) V magnitude in Johnson system (Note)   (phot.mag;em.opt.V)
e_Vmag 0.097 mag Standard error on Vmag (Note)   (stat.error;phot.mag;em.opt.V)
Jmag 9.770 mag J magnitude from 2MASS (469 values of Kmag, 112 of Hmag, and 3 of Jmag have been converted from 0 to null (unknown) [have the X flag in 2MASS]) (Note)   (phot.mag;em.IR.J)
e_Jmag 0.021 mag Standard error on J magnitude (Note)   (stat.error;phot.mag;em.IR.J)
Hmag 9.432 mag H magnitude from 2MASS (469 values of Kmag, 112 of Hmag, and 3 of Jmag have been converted from 0 to null (unknown) [have the X flag in 2MASS]) (Note)   (phot.mag;em.IR.H)
e_Hmag 0.021 mag Standard error on H magnitude (Note)   (stat.error;phot.mag;em.IR.H)
Kmag 9.368 mag K_s magnitude from 2MASS (469 values of Kmag, 112 of Hmag, and 3 of Jmag have been converted from 0 to null (unknown) [have the X flag in 2MASS]) (Note)   (phot.mag;em.IR.K)
e_Kmag 0.017 mag Standard error on K_s magnitude (Note)   (stat.error;phot.mag;em.IR.K)
Scat 0.810 mag Scatter on VT or Hp mag (Note)   (meta.code;src.var)
v1    [GN ] Known variability from GCVS/NSV (Note)   (meta.code;src.var)
v2    [UVW ] Variability from Tycho-1 (Note)   (meta.code;src.var)
v3    [CDMPRU ] Variability type (Note)   (meta.code;src.var)
v4    [VYIXR ] Variability from CMC11 (Note)   (meta.code;src.var)
d12    [A-S ] CCDM component identifier (Note)   (meta.code.multip)
d3    [A-S ] Component identifier (Note)   (meta.code.multip)
d4Z   [DRSYZ ] Duplicity from Tycho-1 (Note)   (meta.code.multip)
d5    [CGOVX ] Double/Multiple Systems flag (Note)   (meta.code.multip)
d6    [D ] Duplicity flag from PPM (Note)   (meta.code.multip)
SpTypeK0  Spectral type in MK or HD system (Note)   (src.spType)
TYC11242   TYC1 number from Tycho-2 (Note)   (meta.id)
TYC2 608   TYC2 number from Tycho-2 (Note)   (meta.id)
TYC31   TYC3 number from Tycho-2 (Note)   (meta.id)
HIP    Hipparcos number (Note)   (meta.id)
HD    HD number (Note)   (meta.id)
DM 2000594   DM number (Note)   (meta.id)
ASCC 747680  (i) [1,2603318] ASCC-2.5 number (Note)   (meta.id;meta.main)

2M2M  Display the 2MASS data (Cutri et al. 2003, Cat. II/246) (meta.ref.url)
  
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