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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=550037
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ColumnValue  Explain   (UCD)
_RAJ200000 20 31.5197470 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+30 58 29.294146 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 17 54.0837681 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+30 41 47.800234 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon115.1659647822 deg Galactic longitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lon)
_Glat-31.4305010657 deg Galactic latitude at Epoch=J1991.25, proper motions taken into account (pos.galactic.lat)
550037recno 550037  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ2000005.13108866 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+30.97466252 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 11.75 mas Trigonometric parallax (Note)   (pos.parallax.trig)
e_Plx 0.92 mas Standard error in Plx (Note)   (stat.error;pos.parallax)
pmRA 85.94 mas/yr Proper Motion in RA*cos(DE) (pos.pm;pos.eq.ra)
e_pmRA 1.25 mas/yr Standard error in pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE 58.18 mas/yr Proper Motion in Declination (pos.pm;pos.eq.dec)
e_pmDE 0.95 mas/yr Standard error in pmDE (stat.error;pos.pm;pos.eq.dec)
Bmag 8.494 mag B magnitude in Johnson system (Note)   (phot.mag;em.opt.B)
e_Bmag 0.012 mag Standard error on Bmag (Note)   (stat.error;phot.mag;em.opt.B)
Vmag 7.508 mag (i) V magnitude in Johnson system (Note)   (phot.mag;em.opt.V)
e_Vmag 0.008 mag Standard error on Vmag (Note)   (stat.error;phot.mag;em.opt.V)
Jmag 5.849 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 0.027 mag Standard error on J magnitude (Note)   (stat.error;phot.mag;em.IR.J)
Hmag 5.375 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 0.032 mag Standard error on H magnitude (Note)   (stat.error;phot.mag;em.IR.H)
Kmag 5.271 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 0.019 mag Standard error on K_s magnitude (Note)   (stat.error;phot.mag;em.IR.K)
Scat 0.008 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)
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)
d4S   [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)
SpTypeK1IV  Spectral type in MK or HD system (Note)   (src.spType)
TYC12261   TYC1 number from Tycho-2 (Note)   (meta.id)
TYC2 371   TYC2 number from Tycho-2 (Note)   (meta.id)
TYC31   TYC3 number from Tycho-2 (Note)   (meta.id)
HIP 1640   Hipparcos number (Note)   (meta.id)
HD 1605   HD number (Note)   (meta.id)
DM 3000043   DM number (Note)   (meta.id)
ASCC 549263  (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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