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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)
  ASCC=835669
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ColumnValue  Explain   (UCD)
_RAJ200003 07 25.6735624 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+17 52 47.958858 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 04 36.4574060 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+17 41 17.836687 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon162.9838142911 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-34.2094525558 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
836810recno 836810  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000046.85702923 deg (i) Right Ascension J2000.0, epoch 1991.25 (pos.eq.ra;meta.main)
e_RAJ2000 0.8 mas Standard error in RA*cos(DEdeg) (stat.error)
DEJ2000+17.87997236 deg (i) Declination J2000.0, epoch 1991.25 (pos.eq.dec;meta.main)
e_DEJ2000 0.1 mas Standard error in DEdeg (stat.error;pos.eq.dec)
Plx 4.42 mas Trigonometric parallax (Note)   (pos.parallax.trig)
e_Plx 0.98 mas Standard error in Plx (Note)   (stat.error;pos.parallax)
pmRA -21.95 mas/yr Proper Motion in RA*cos(DE) (pos.pm;pos.eq.ra)
e_pmRA 0.89 mas/yr Standard error in pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 6.67 mas/yr Proper Motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.87 mas/yr Standard error in pmDE (stat.error;pos.pm;pos.eq.dec)
Bmag 6.006 mag B magnitude in Johnson system (Note)   (phot.mag;em.opt.B)
e_Bmag 0.004 mag Standard error on Bmag (Note)   (stat.error;phot.mag;em.opt.B)
Vmag 6.125 mag (i) V magnitude in Johnson system (Note)   (phot.mag;em.opt.V)
e_Vmag 0.004 mag Standard error on Vmag (Note)   (stat.error;phot.mag;em.opt.V)
Jmag 6.341 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 0.018 mag Standard error on J magnitude (Note)   (stat.error;phot.mag;em.IR.J)
Hmag 6.472 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 0.028 mag Standard error on H magnitude (Note)   (stat.error;phot.mag;em.IR.H)
Kmag 6.469 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 0.006 mag Scatter on VT or Hp mag (Note)   (meta.code;src.var)
v1G   [GN ] Known variability from GCVS/NSV (Note)   (meta.code;src.var)
v2    [UVW ] Variability from Tycho-1 (Note)   (meta.code;src.var)
v3C   [CDMPRU ] Variability type (Note)   (meta.code;src.var)
v4V   [VYIXR ] Variability from CMC11 (Note)   (meta.code;src.var)
d12    [A-S ] CCDM component identifier (Note)   (meta.code.multip)
d3C   [A-S ] Component identifier (Note)   (meta.code.multip)
d4Y   [DRSYZ ] Duplicity from Tycho-1 (Note)   (meta.code.multip)
d5    [CGOVX ] Double/Multiple Systems flag (Note)   (meta.code.multip)
d6D   [D ] Duplicity flag from PPM (Note)   (meta.code.multip)
SpTypeB1.5V  Spectral type in MK or HD system (Note)   (src.spType)
TYC11228   TYC1 number from Tycho-2 (Note)   (meta.id)
TYC2 703   TYC2 number from Tycho-2 (Note)   (meta.id)
TYC31   TYC3 number from Tycho-2 (Note)   (meta.id)
HIP 14514   Hipparcos number (Note)   (meta.id)
HD 19374   HD number (Note)   (meta.id)
DM 1700493   DM number (Note)   (meta.id)
ASCC 835669  (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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