VizieR

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VizieR

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I/128/data Photographic Obs. Visual Double Stars (van Albada-van Dien+ 1987)
Photographic obs. of visual double stars (272 rows)
  recno=70
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ColumnValue  Explain   (UCD)
_RAJ200006 16 17.9 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (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.eq.ra)
_DEJ2000-59 12 16 "d:m:s" Declination (FK5, Equinox=J2000.0) (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.eq.dec)
_RAB195006 15 36.0 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (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.eq.ra)
_DEB1950-59 11 07 "d:m:s" Declination (FK4, Equinox=B1950.0) (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.eq.dec)
_Glon268.1633 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-27.4698 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)
70recno 70  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RA190006 14.9 "h:m:s" (i) Right Ascension (1900) hours (Note)   (pos.eq.ra;meta.main)
RAdm2000163 dmin Right Ascension (2000) deciminutes (pos.eq.ra)
DE1900-59 10 "d:m:s" (i) Declination (1900) degrees (pos.eq.dec;meta.main)
DEm200013 arcmin [0,92] Declination (2000) arcminutes (Note)   (pos.eq.dec)
rem    [ *] Remark (Note)   (meta.note)
ADSDUN 27  ADS number or name mentioned in IDS (meta.id;meta.main)
mag1 6.4 mag Magnitude of primary component from IDS (Note)   (phot.mag;em.opt)
mag2 8.0 mag Magnitude of secondary component from IDS (Note)   (phot.mag;em.opt)
Sp G0-F8  Spectral type from IDS (src.spType)
Ep-190081.768 a Mean Epoch of observations - 1900 (time.epoch)
dRAcosDE-28.740 arcsec Mean value of delta(RA) * cos(DE) (pos.eq.ra;arith.diff)
e_dRAcosDE12 mas Standard error of delta(RA) * cos(DE) (stat.error)
dDE-22.803 arcsec Mean value of delta(DE) (pos.eq.dec;arith.diff)
e_dDE10 mas Standard error of delta(DE) (stat.error)
rho 36.688 arcsec Distance derived (pos.angDistance;src.orbital)
e_rho11 mas Standard error of rho (stat.error)
theta231.57 deg Position Angle at Epoch (pos.posAng)
e_theta 2 0.01deg Standard error of theta (stat.error;pos.posAng)
Nplates 1  Number of plates (meta.id;instr.plate)
Nimages 30  Number of images (meta.number)
Wt 41  Sum of weights (meta.note)
note   Notes (Note)   (meta.note)

_RA.icrs06 16.3 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs-59 12 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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