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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=== 820944698169351636
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ColumnValue  Explain   (UCD)
_RAJ200013 00 43.73592 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+56 21 58.8600 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195012 58 35.31334 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+56 38 07.5923 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon120.30165536 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+60.71442664 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)

PPMXL 820944698169351636  (i) Identifier (Note 5)   (meta.id;meta.main)
RAJ2000195.182233 deg (i) Right Ascension J2000.0, epoch 2000.0 (pos.eq.ra;meta.main)
DEJ2000+56.366350 deg (i) Declination J2000.0, epoch 2000.0 (pos.eq.dec;meta.main)
pmRA 106.7 mas/yr Proper Motion in RA*cos(DEdeg) (pos.pm;pos.eq.ra)
pmDE -10.8 mas/yr Proper Motion in Dec (pos.pm;pos.eq.dec)
epRA1964.54 yr Mean Epoch (RA) (time.epoch)
epDE1960.59 yr Mean Epoch (Dec) (time.epoch)
e_RAJ2000 62 mas Mean error in RA*cos(DEdeg) at mean epoch (Note 6)   (stat.error;pos.eq.ra)
e_DEJ2000 57 mas Mean error in Dec at mean epoch (Note 6)   (stat.error;pos.eq.dec)
e_pmRA 2.1 mas/yr Mean error in pmRA*cos(DEdeg) (stat.error;pos.pm;pos.eq.ra)
e_pmDE 1.9 mas/yr Mean error in pmDec (stat.error;pos.pm;pos.eq.dec)
Jmag 4.323 mag (i) J magnitude from 2MASS (Cat. II/246) (phot.mag;em.IR.J)
e_Jmag 0.282 mag J total magnitude uncertainty (stat.error;phot.mag;em.IR.J)
Hmag 4.166 mag (i) H magnitude from 2MASS (Cat. II/246) (phot.mag;em.IR.H)
e_Hmag 0.274 mag H total magnitude uncertainty (stat.error;phot.mag;em.IR.H)
Kmag 3.953 mag (i) Ks magnitude from 2MASS (Cat. II/246) (phot.mag;em.IR.K)
e_Kmag 0.020 mag Ks total magnitude uncertainty (stat.error;phot.mag;em.IR.K)
b1mag 5.20 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)
b2mag  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)
r1mag 4.63 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)
r2mag  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)
imag  mag I mag from USNO-B (1) (in color when the magnitude has a special meaning, see flags) (Note)   (phot.mag;em.opt.I)
Smags    [0-8-] Surveys used for USNO-B magnitudes (Note 2)   (meta.id)
No 3   Number of observations used (Note 4)   (meta.number)
fl 2  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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