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J/AcA/62/357/m4_bv Proper motions in 6 globular clusters (Zloczewski+, 2012)
M4 proper motions catalog, B-V colour index (13036 rows)
  recno=2893
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ColumnValue  Explain   (UCD)
_RAJ200016 23 41.66040 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-26 32 36.5060 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 20 37.57433 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-26 25 41.5085 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon350.97608883 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+15.94249506 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
2893recno 2893  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

F1   [1/2] Field number for M4 and NGC 3201 (obs.field)
Star220684  Star identification number within the field (meta.id;obs.field)
RAJ2000245.923585 deg (i) Right ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000-26.543474 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
Xpos 796.265 pix X position on reference frames (pos.cartesian.x;instr.det)
Ypos 660.495 pix Y position on reference frames (pos.cartesian.y;instr.det)
pmRA 0.29 mas/yr Proper motion along RA (pmRA*cosDE) (pos.pm;pos.eq.ra)
e_pmRA 0.18 mas/yr rms uncertainty on pmRAcosDE (stat.error;pos.pm;pos.eq.ra)
pmDE 1.08 mas/yr Proper motion along DE (pos.pm;pos.eq.dec)
e_pmDE 0.52 mas/yr rms uncertainty on pmDE (stat.error;pos.pm;pos.eq.dec)
Nep13  Number of epochs used (meta.number)
dT11.072 yr Temporal baseline (time.interval)
Mm2   [0/2] Cluster membership (Note 1)   (meta.code.member)
Vmaga18.114 mag V magnitude (approximate transformation) (phot.mag;em.opt.V)
Vmag18.108 mag V magnitude (standard system) (phot.mag;em.opt.V)
e_Vmag 0.004 mag rms uncertainty on Vmag (stat.error;phot.mag;em.opt.V)
Col 0.910 mag (B-V) color index (phot.color;em.opt.B;em.opt.V)
e_Col 0.009 mag rms uncertainty on Col (stat.error)
  
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