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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)
  recno=158513
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ColumnValue  Explain   (UCD)
_RAJ200000 40 30.442 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEJ2000+56 32 14.40 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec)
_RAB195000 37 39.303 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEB1950+56 15 48.53 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec)
_Glon121.4163 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (computed by VizieR, not part of the original data) (pos.galactic.lon)
_Glat-06.3022 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (computed by VizieR, not part of the original data) (pos.galactic.lat)
158513recno 158513  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000010.12661349 deg Right Ascension J2000.0, epoch 1991.25 (pos.eq.ra;meta.main)
e_RAJ2000 0.3 mas Standard error in RA*cos(DEdeg) (stat.error)
DEJ2000+56.53740928 deg 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 13.73 mas Trigonometric parallax (Note)   (pos.parallax.trig)
e_Plx 0.56 mas Standard error in Plx (Note)   (stat.error;pos.parallax)
pmRA 51.75 mas/yr Proper Motion in RA*cos(DE) (pos.pm;pos.eq.ra)
e_pmRA 0.34 mas/yr Standard error in pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -31.65 mas/yr Proper Motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.38 mas/yr Standard error in pmDE (stat.error;pos.pm;pos.eq.dec)
Bmag 3.431 mag B magnitude in Johnson system (Note)   (phot.mag;em.opt.B)
e_Bmag 0.002 mag Standard error on Bmag (Note)   (stat.error;phot.mag;em.opt.B)
Vmag 2.240 mag V magnitude in Johnson system (Note)   (phot.mag;em.opt.V)
e_Vmag 0.002 mag Standard error on Vmag (Note)   (stat.error;phot.mag;em.opt.V)
Jmag 0.310 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 0.197 mag Standard error on J magnitude (Note)   (stat.error;phot.mag;em.IR.J)
Hmag-0.209 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 0.159 mag Standard error on H magnitude (Note)   (stat.error;phot.mag;em.IR.H)
Kmag-0.303 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 0.170 mag Standard error on K_s magnitude (Note)   (stat.error;phot.mag;em.IR.K)
Scat 0.004 mag Scatter on VT or Hp mag (Note)   (meta.code;src.var)
v1G   [GN ] Known variability from GCVS/NSV (Note)   (meta.code;src.var)
v2U   [UVW ] Variability from Tycho-1 (Note)   (meta.code;src.var)
v3M   [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)
d4R   [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)
SpTypeK0II-IIIvar  Spectral type in MK or HD system (Note)   (src.spType)
TYC13663   TYC1 number from Tycho-2 (Note)   (meta.id)
TYC2 2668   TYC2 number from Tycho-2 (Note)   (meta.id)
TYC31   TYC3 number from Tycho-2 (Note)   (meta.id)
HIP 3179   Hipparcos number (Note)   (meta.id)
HD 3712   HD number (Note)   (meta.id)
DM 5500139   DM number (Note)   (meta.id)
ASCC 158284   [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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