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I/317/sample The PPMXL Catalog (Roeser+ 2010)
PPMXL catalog of positions and proper motions on the ICRS (910469430 rows)
  PPMXL=== 265118551706426460
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ColumnValue  Explain   (UCD)
_RAJ200018 20 47.64912 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+68 44 09.1320 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 21 04.59986 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+68 42 38.2799 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon098.93339034 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+27.90250149 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)

PPMXL 265118551706426460  (i) Identifier (Note 5)   (meta.id;meta.main)
RAJ2000275.198538 deg (i) Right Ascension J2000.0, epoch 2000.0 (pos.eq.ra;meta.main)
DEJ2000+68.735870 deg (i) Declination J2000.0, epoch 2000.0 (pos.eq.dec;meta.main)
pmRA 10.5 mas/yr Proper Motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
pmDE -12.4 mas/yr Proper Motion in Dec (pos.pm;pos.eq.dec)
epRA1990.12 yr Mean Epoch (RA) (time.epoch)
epDE1990.12 yr Mean Epoch (Dec) (time.epoch)
e_RAJ2000 68 mas Mean error in RA*cos(DEdeg) at mean epoch (Note 6)   (stat.error;pos.eq.ra)
e_DEJ2000 68 mas Mean error in Dec at mean epoch (Note 6)   (stat.error;pos.eq.dec)
e_pmRA 3.9 mas/yr Mean error in pmRA*cos(DEdeg) (stat.error;pos.pm;pos.eq.ra)
e_pmDE 3.9 mas/yr Mean error in pmDec (stat.error;pos.pm;pos.eq.dec)
Jmag16.572 mag (i) J magnitude from 2MASS (Cat. II/246) (phot.mag;em.IR.J)
e_Jmag 0.153 mag J total magnitude uncertainty (stat.error;phot.mag;em.IR.J)
Hmag15.635 mag (i) H magnitude from 2MASS (Cat. II/246) (phot.mag;em.IR.H)
e_Hmag 0.190 mag H total magnitude uncertainty (stat.error;phot.mag;em.IR.H)
Kmag14.531 mag (i) Ks magnitude from 2MASS (Cat. II/246) (phot.mag;em.IR.K)
e_Kmag  mag Ks total magnitude uncertainty (stat.error;phot.mag;em.IR.K)
b1mag17.22 mag B mag from USNO-B, first epoch (1) (in color when the magnitude has a special meaning, see flags) (Note)   (phot.mag;em.opt.B)
b2mag16.21 mag B mag from USNO-B, second epoch (1) (in color when the magnitude has a special meaning, see flags) (Note)   (phot.mag;em.opt.B)
r1mag16.38 mag R mag from USNO-B, first epoch (1) (in color when the magnitude has a special meaning, see flags) (Note)   (phot.mag;em.opt.R)
r2mag15.33 mag R mag from USNO-B, second epoch (1) (in color when the magnitude has a special meaning, see flags) (Note)   (phot.mag;em.opt.R)
imag14.62 mag I mag from USNO-B (1) (in color when the magnitude has a special meaning, see flags) (Note)   (phot.mag;em.opt.I)
Smags02137   [0-8-] Surveys used for USNO-B magnitudes (Note 2)   (meta.id)
No 6   Number of observations used (Note 4)   (meta.number)
fl 0  Flags (Note 3)   (meta.note)

2M2M  Display the 2MASS data (Cutri et al. 2003, Cat. II/246) (meta.ref.url)
NOMADNOMAD  Display the NOMAD data (Zacharias et al. 2005, Cat. I/297) (meta.ref.url)
  
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