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I/312/sample PPMX Catalog of positions and proper motions (Roeser+ 2008)
The PPMX Catalog (Position and Proper Motions eXtended) (18088919 rows)
  PPMX===225727.9+204607
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Note: The limiting magnitude is about 15.2 in the GSC photometric system.

ColumnValue  Explain   (UCD)
_RAJ200022 57 27.97944 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+20 46 07.7628 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195022 55 00.38668 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+20 30 01.2826 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon090.06262335 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-34.72726531 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)

PPMX225727.9+204607  (i) Name (IAU convention HHMMSS.S+DDMMSSa) (Note 3)   (meta.id;meta.main)
RAJ2000344.366581 deg (i) Right Ascension J2000.0, epoch 2000.0 (pos.eq.ra;meta.main)
DEJ2000+20.768823 deg (i) Declination J2000.0, epoch 2000.0 (pos.eq.dec;meta.main)
pmRA 205.64 mas/yr Proper Motion in RA*cos(DEmas) (pos.pm;pos.eq.ra)
pmDE 57.09 mas/yr Proper Motion in DE (pos.pm;pos.eq.dec)
epRA1991.17 yr Mean Epoch (RA) (time.epoch)
epDE1991.18 yr Mean Epoch (DE) (time.epoch)
e_RAJ2000 3 mas Mean error in RA*cos(DEmas) at epRA (stat.error;pos.eq.ra)
e_DEJ2000 4 mas Mean error in DE at epDE (stat.error;pos.eq.dec)
e_pmRA 1.3 mas/yr Mean error in pmRA*cos(DEmas) (stat.error;pos.pm;pos.eq.ra)
e_pmDE 1.5 mas/yr Mean error in pmDE (stat.error;pos.pm;pos.eq.dec)
Cmag 6.100 mag Catalogue magnitude from source r_ID (phot.mag;em.opt.R)
Rmag 5.654 mag Calculated Ru magnitude (579-642nm) from source r_ID (phot.mag;em.opt.R)
Bmag 6.120 mag B magnitude in Johnson system (phot.mag;em.opt.B)
e_Bmag 4 mmag Standard error on B magnitude (stat.error;phot.mag;em.opt.B)
Vmag 5.447 mag V magnitude in Johnson system (phot.mag;em.opt.V)
e_Vmag 3 mmag Standard error on V magnitude (stat.error;phot.mag;em.opt.V)
Jmag 4.655 mag (i) J magnitude from 2MASS (phot.mag;em.IR.J)
e_Jmag296 mmag Standard error on J magnitude (stat.error;phot.mag;em.IR.J)
Hmag 4.234 mag (i) H magnitude from 2MASS (phot.mag;em.IR.H)
e_Hmag270 mmag Standard error on H magnitude (stat.error;phot.mag;em.IR.H)
Kmag 3.911 mag (i) K magnitude from 2MASS (phot.mag;em.IR.K)
e_Kmag 21 mmag Standard error on K magnitude (stat.error;phot.mag;em.IR.K)
Nobs 4   Number of observation in LSQ fit (meta.number)
P    [P] P if LSQ fit is bad (meta.code)
subS   [SHO] subset flag (Note 1)   (meta.id)
r_IDP   [HTPSGA] source catalogue flag (Note 2)   (meta.ref;pos.frame)
ID114985  star identifier in the source catalogue (meta.id)
  
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