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VizieR

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I/202/fk5emean The FK5 Extension of the FK4 System (Lattanzi+ 1993)
FK5 Extension on the FK4 B1950.0 (Mean epoch of place) (3117 rows)
  recno=6
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ColumnValue  Explain   (UCD)
_RAJ200000 22 25.46162854 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+13 28 56.6435432 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 19 50.02152322 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+13 12 17.6313346 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon112.19146703468 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-48.78357406439 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
6recno 6  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

FK52020  FK5 Extension ID number (meta.id;meta.main)
Vmag 6.23 mag V magnitude (phot.mag;em.opt.V)
RAh004.958572583 deg (i) Right Ascension (B1950.0) in decimal hrs (pos.eq.ra;meta.main)
DEB1950+13.2049579891 deg (i) Declination (B1950.0) in decimal degrees (pos.eq.dec;meta.main)
Epoch_RA 1958.64 yr Mean Epoch of RA in decimal years (time.epoch)
Epoch_DEC 1950.51 yr Mean Epoch of DEC in decimal years (time.epoch)
pmRA 0.423 cs/yr Proper Motion in RA (B1950.0) sec/cy (pos.pm;pos.eq.ra)
pmDE 2.565 carcsec/yr Proper Motion in DEC (B1950.0) arcsec/cy (pos.pm;pos.eq.dec)

_RA.icrs005.606090119 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+13.4824009842 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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