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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===175636.3+512920
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Note: The limiting magnitude is about 15.2 in the GSC photometric system.

ColumnValue  Explain   (UCD)
_RAJ200017 56 36.36312 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+51 29 20.0364 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195017 55 26.57832 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+51 29 38.4843 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon079.05495784 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+29.21735501 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)

PPMX175636.3+512920  (i) Name (IAU convention HHMMSS.S+DDMMSSa) (Note 3)   (meta.id;meta.main)
RAJ2000269.151513 deg (i) Right Ascension J2000.0, epoch 2000.0 (pos.eq.ra;meta.main)
DEJ2000+51.488899 deg (i) Declination J2000.0, epoch 2000.0 (pos.eq.dec;meta.main)
pmRA -8.86 mas/yr Proper Motion in RA*cos(DEmas) (pos.pm;pos.eq.ra)
pmDE -22.86 mas/yr Proper Motion in DE (pos.pm;pos.eq.dec)
epRA1949.74 yr Mean Epoch (RA) (time.epoch)
epDE1933.98 yr Mean Epoch (DE) (time.epoch)
e_RAJ2000 10 mas Mean error in RA*cos(DEmas) at epRA (stat.error;pos.eq.ra)
e_DEJ2000 20 mas Mean error in DE at epDE (stat.error;pos.eq.dec)
e_pmRA 0.3 mas/yr Mean error in pmRA*cos(DEmas) (stat.error;pos.pm;pos.eq.ra)
e_pmDE 0.4 mas/yr Mean error in pmDE (stat.error;pos.pm;pos.eq.dec)
Cmag 2.200 mag Catalogue magnitude from source r_ID (phot.mag;em.opt.R)
Rmag 1.481 mag Calculated Ru magnitude (579-642nm) from source r_ID (phot.mag;em.opt.R)
Bmag 3.805 mag B magnitude in Johnson system (phot.mag;em.opt.B)
e_Bmag 3 mmag Standard error on B magnitude (stat.error;phot.mag;em.opt.B)
Vmag 2.231 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-0.245 mag (i) J magnitude from 2MASS (phot.mag;em.IR.J)
e_Jmag212 mmag Standard error on J magnitude (stat.error;phot.mag;em.IR.J)
Hmag-1.034 mag (i) H magnitude from 2MASS (phot.mag;em.IR.H)
e_Hmag180 mmag Standard error on H magnitude (stat.error;phot.mag;em.IR.H)
Kmag-1.162 mag (i) K magnitude from 2MASS (phot.mag;em.IR.K)
e_Kmag160 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)
subS   [SHO] subset flag (Note 1)   (meta.id)
r_IDP   [HTPSGA] source catalogue flag (Note 2)   (meta.ref;pos.frame)
ID36267  star identifier in the source catalogue (meta.id)
  
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