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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=245660
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ColumnValue  Explain   (UCD)
_RAJ200005 17 17.6901601 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+53 35 10.038006 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195005 13 15.1802103 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+53 31 56.530372 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon156.3658921833 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat+08.9741022044 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
245992recno 245992  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000079.32370183 deg (i) Right Ascension J2000.0, epoch 1991.25 (pos.eq.ra;meta.main)
e_RAJ2000 1.2 mas Standard error in RA*cos(DEdeg) (stat.error)
DEJ2000+53.58615854 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 2.34 mas Trigonometric parallax (Note)   (pos.parallax.trig)
e_Plx 1.60 mas Standard error in Plx (Note)   (stat.error;pos.parallax)
pmRA 1.75 mas/yr Proper Motion in RA*cos(DE) (pos.pm;pos.eq.ra)
e_pmRA 1.63 mas/yr Standard error in pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -15.17 mas/yr Proper Motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 1.61 mas/yr Standard error in pmDE (stat.error;pos.pm;pos.eq.dec)
Bmag10.812 mag B magnitude in Johnson system (Note)   (phot.mag;em.opt.B)
e_Bmag 0.079 mag Standard error on Bmag (Note)   (stat.error;phot.mag;em.opt.B)
Vmag 9.895 mag (i) V magnitude in Johnson system (Note)   (phot.mag;em.opt.V)
e_Vmag 0.071 mag Standard error on Vmag (Note)   (stat.error;phot.mag;em.opt.V)
Jmag 1.024 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 0.222 mag Standard error on J magnitude (Note)   (stat.error;phot.mag;em.IR.J)
Hmag-0.089 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 0.194 mag Standard error on H magnitude (Note)   (stat.error;phot.mag;em.IR.H)
Kmag-0.458 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 0.203 mag Standard error on K_s magnitude (Note)   (stat.error;phot.mag;em.IR.K)
Scat 1.894 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)
v3P   [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)
d3A   [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)
SpTypeM E  Spectral type in MK or HD system (Note)   (src.spType)
TYC13735   TYC1 number from Tycho-2 (Note)   (meta.id)
TYC2 681   TYC2 number from Tycho-2 (Note)   (meta.id)
TYC31   TYC3 number from Tycho-2 (Note)   (meta.id)
HIP 24645   Hipparcos number (Note)   (meta.id)
HD 34019   HD number (Note)   (meta.id)
DM 5300882   DM number (Note)   (meta.id)
ASCC 245660  (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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