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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=897656
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ColumnValue  Explain   (UCD)
_RAJ200020 20 08.7418135 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+16 43 53.713492 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 17 51.3936916 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+16 34 22.620726 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon058.3296912065 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-10.9788855371 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
898887recno 898887  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000305.03643303 deg (i) Right Ascension J2000.0, epoch 1991.25 (pos.eq.ra;meta.main)
e_RAJ2000 81.0 mas Standard error in RA*cos(DEdeg) (stat.error)
DEJ2000+16.73159605 deg (i) Declination J2000.0, epoch 1991.25 (pos.eq.dec;meta.main)
e_DEJ2000 83.5 mas Standard error in DEdeg (stat.error;pos.eq.dec)
Plx  mas Trigonometric parallax (Note)   (pos.parallax.trig)
e_Plx  mas Standard error in Plx (Note)   (stat.error;pos.parallax)
pmRA -3.47 mas/yr Proper Motion in RA*cos(DE) (pos.pm;pos.eq.ra)
e_pmRA 2.00 mas/yr Standard error in pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -3.69 mas/yr Proper Motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 2.00 mas/yr Standard error in pmDE (stat.error;pos.pm;pos.eq.dec)
Bmag11.890 mag B magnitude in Johnson system (Note)   (phot.mag;em.opt.B)
e_Bmag 0.207 mag Standard error on Bmag (Note)   (stat.error;phot.mag;em.opt.B)
Vmag10.918 mag (i) V magnitude in Johnson system (Note)   (phot.mag;em.opt.V)
e_Vmag 0.115 mag Standard error on Vmag (Note)   (stat.error;phot.mag;em.opt.V)
Jmag10.454 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)
Hmag10.404 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 0.023 mag Standard error on H magnitude (Note)   (stat.error;phot.mag;em.IR.H)
Kmag 9.673 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 0.018 mag Standard error on K_s magnitude (Note)   (stat.error;phot.mag;em.IR.K)
Scat 0.740 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)
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)
SpTypePc PN  Spectral type in MK or HD system (Note)   (src.spType)
TYC11631   TYC1 number from Tycho-2 (Note)   (meta.id)
TYC2 1785   TYC2 number from Tycho-2 (Note)   (meta.id)
TYC31   TYC3 number from Tycho-2 (Note)   (meta.id)
HIP    Hipparcos number (Note)   (meta.id)
HD193538   HD number (Note)   (meta.id)
DM    DM number (Note)   (meta.id)
ASCC 897656  (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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