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I/171/acrs1 Astrographic Catalog Reference Stars (ACRS) (Corbin+ 1991)
The ACRS catalog, grouping 250052 reliable stars and 70159 stars with poor observational history (320211 rows)
  recno=290450
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200016 00 42.36793 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-29 55 17.0214 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195015 57 35.43878 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-29 46 51.8421 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon344.76129565 deg Galactic longitude at Epoch=J1950, proper motions taken into account (pos.galactic.lon)
_Glat+17.18698468 deg Galactic latitude at Epoch=J1950, proper motions taken into account (pos.galactic.lat)
290450recno 290450  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

PartNum2  Catalog part number: 1 for the more relaible stars, 2 for the tars with poor observational history (meta.id;meta.dataset)
ACRS540398  (i) [1,570159] ACRS sequential number (Note)   (meta.id;meta.main)
RAB195015 57 35.438 "h:m:s" (i) Hours RA, equinox=B1950, Epoch=B1950.0 (pos.eq.ra;meta.main)
DEB1950-29 46 51.840 "d:m:s" (i) Degrees Dec, equinox, epoch B1950.0 (pos.eq.dec;meta.main)
e_RAB1950  ms Mean error in RA at original epoch (stat.error;pos.eq.ra)
e_DEB1950  10mas Mean error in Dec at original epoch (stat.error;pos.eq.dec)
pmRA 0.25 ms/yr RA proper motion, FK4 system (pos.pm;pos.eq.ra)
pmDE -17.0 mas/yr DE proper motion, FK4 system (pos.pm;pos.eq.dec)
e_pmRA  ms/yr Mean error on pmRA (stat.error;pos.pm;pos.eq.ra)
e_pmDE  mas/yr Mean error on pmDE (stat.error;pos.pm;pos.eq.dec)
EpRA1955.361 yr Original epoch of RA (epoch of mean position) (time.epoch)
EpDE1951.869 yr Original epoch of DE (epoch of mean position) (time.epoch)
o_RAB1950 2  Number of positions in RA (meta.number)
o_DEB1950 2  Number of positions in DE (meta.number)
w_RAB1950 0.6  Sum of the weights in RA (stat.weight)
w_DEB1950 0.6  Sum of the weights in DE (stat.weight)
Pmag 9.70 mag [140/1350] Photographic magnitude (phot.mag;em.opt)
SpType   Spectral type (src.spType)
BD   Bonner Durchmusterung number I/122 (meta.id)
CD-2912172  Cordoba Durchmusterung number I/114 (meta.id)
CP   Cape Photographic Durchmusterung I/108 (meta.id)
AGK3   AGK3 number I/61 (meta.id)
CPC2613077  Second Cape Photograpic Catalog I/85 (meta.id)
ACRSJACRS J160042.35-295516.9  ACRS number, ACRS Jhhmmss.ssSddmmss.s (Note)   (meta.id)
RA200016 00 42.359 "h:m:s" Hours RA, Equinox=J2000, Epoch=J2000 (Note)   (time.epoch;pos.eq.ra)
pmRA2000 0.16 ms/yr Centennial RA proper motion, J2000.0 (pos.pm;pos.eq.ra)
DE2000-29 55 16.970 "d:m:s" Degrees Dec, equinox, epoch J2000.0 (time.epoch;pos.eq.dec)
pmDE2000 -14.2 mas/yr Centennial Dec proper motion, J2000.0 (pos.pm;pos.eq.dec)

_RA.icrs16 00 42.368 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-29 55 17.021 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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