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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===113012.8+241010
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Note: The limiting magnitude is about 15.2 in the GSC photometric system.

ColumnValue  Explain   (UCD)
_RAJ200011 30 12.88608 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+24 10 10.6428 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195011 27 35.01409 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+24 26 43.0784 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon217.58363425 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+71.47882410 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)

PPMX113012.8+241010  (i) Name (IAU convention HHMMSS.S+DDMMSSa) (Note 3)   (meta.id;meta.main)
RAJ2000172.553692 deg (i) Right Ascension J2000.0, epoch 2000.0 (pos.eq.ra;meta.main)
DEJ2000+24.169623 deg (i) Declination J2000.0, epoch 2000.0 (pos.eq.dec;meta.main)
pmRA 10.43 mas/yr Proper Motion in RA*cos(DEmas) (pos.pm;pos.eq.ra)
pmDE 8.87 mas/yr Proper Motion in DE (pos.pm;pos.eq.dec)
epRA1998.87 yr Mean Epoch (RA) (time.epoch)
epDE1998.87 yr Mean Epoch (DE) (time.epoch)
e_RAJ2000 41 mas Mean error in RA*cos(DEmas) at epRA (stat.error;pos.eq.ra)
e_DEJ2000 41 mas Mean error in DE at epDE (stat.error;pos.eq.dec)
e_pmRA12.8 mas/yr Mean error in pmRA*cos(DEmas) (stat.error;pos.pm;pos.eq.ra)
e_pmDE12.8 mas/yr Mean error in pmDE (stat.error;pos.pm;pos.eq.dec)
Cmag13.000 mag Catalogue magnitude from source r_ID (phot.mag;em.opt.R)
Rmag15.010 mag Calculated Ru magnitude (579-642nm) from source r_ID (phot.mag;em.opt.R)
Bmag  mag B magnitude in Johnson system (phot.mag;em.opt.B)
e_Bmag  mmag Standard error on B magnitude (stat.error;phot.mag;em.opt.B)
Vmag  mag V magnitude in Johnson system (phot.mag;em.opt.V)
e_Vmag  mmag Standard error on V magnitude (stat.error;phot.mag;em.opt.V)
Jmag12.979 mag (i) J magnitude from 2MASS (phot.mag;em.IR.J)
e_Jmag 40 mmag Standard error on J magnitude (stat.error;phot.mag;em.IR.J)
Hmag12.297 mag (i) H magnitude from 2MASS (phot.mag;em.IR.H)
e_Hmag 44 mmag Standard error on H magnitude (stat.error;phot.mag;em.IR.H)
Kmag12.000 mag (i) K magnitude from 2MASS (phot.mag;em.IR.K)
e_Kmag 37 mmag Standard error on K magnitude (stat.error;phot.mag;em.IR.K)
Nobs 3   Number of observation in LSQ fit (meta.number)
P    [P] P if LSQ fit is bad (meta.code)
subO   [SHO] subset flag (Note 1)   (meta.id)
r_IDG   [HTPSGA] source catalogue flag (Note 2)   (meta.ref;pos.frame)
ID0198201208  star identifier in the source catalogue (meta.id)
  
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