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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=1508, TYC2=01273, TYC3=1
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ColumnValue  Explain   (UCD)
_RAJ200016 08 04.5262448 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+17 02 49.123451 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 05 48.9839119 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+17 10 43.924099 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon031.0166725036 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+43.6393293330 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
875022recno 875022  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000242.01894370 deg (i) Right Ascension J2000.0, epoch 1991.25 (pos.eq.ra;meta.main)
e_RAJ2000 1.5 mas Standard error in RA*cos(DEdeg) (stat.error)
DEJ2000+17.04699349 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 8.10 mas Trigonometric parallax (Note)   (pos.parallax.trig)
e_Plx 1.23 mas Standard error in Plx (Note)   (stat.error;pos.parallax)
pmRA -33.18 mas/yr Proper Motion in RA*cos(DE) (pos.pm;pos.eq.ra)
e_pmRA 0.68 mas/yr Standard error in pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -6.07 mas/yr Proper Motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.70 mas/yr Standard error in pmDE (stat.error;pos.pm;pos.eq.dec)
Bmag 5.921 mag B magnitude in Johnson system (Note)   (phot.mag;em.opt.B)
e_Bmag 0.003 mag Standard error on Bmag (Note)   (stat.error;phot.mag;em.opt.B)
Vmag 4.989 mag (i) V magnitude in Johnson system (Note)   (phot.mag;em.opt.V)
e_Vmag 0.003 mag Standard error on Vmag (Note)   (stat.error;phot.mag;em.opt.V)
Jmag 3.260 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 0.261 mag Standard error on J magnitude (Note)   (stat.error;phot.mag;em.IR.J)
Hmag 2.894 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 0.228 mag Standard error on H magnitude (Note)   (stat.error;phot.mag;em.IR.H)
Kmag 2.806 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 0.257 mag Standard error on K_s magnitude (Note)   (stat.error;phot.mag;em.IR.K)
Scat 0.012 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)
v3D   [CDMPRU ] Variability type (Note)   (meta.code;src.var)
v4    [VYIXR ] Variability from CMC11 (Note)   (meta.code;src.var)
d12A   [A-S ] CCDM component identifier (Note)   (meta.code.multip)
d3    [A-S ] Component identifier (Note)   (meta.code.multip)
d4Y   [DRSYZ ] Duplicity from Tycho-1 (Note)   (meta.code.multip)
d5C   [CGOVX ] Double/Multiple Systems flag (Note)   (meta.code.multip)
d6D   [D ] Duplicity flag from PPM (Note)   (meta.code.multip)
SpTypeG8III  Spectral type in MK or HD system (Note)   (src.spType)
TYC11508   TYC1 number from Tycho-2 (Note)   (meta.id)
TYC2 1273   TYC2 number from Tycho-2 (Note)   (meta.id)
TYC31   TYC3 number from Tycho-2 (Note)   (meta.id)
HIP 79043   Hipparcos number (Note)   (meta.id)
HD145001   HD number (Note)   (meta.id)
DM 1702964   DM number (Note)   (meta.id)
ASCC 873821  (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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