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I/279/catalog Revised Luyten Half-Second Catalogue (Bakos+ 2002)
Revised Positions and Proper Motions for LHS stars (4470 rows)
  recno=409
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ColumnValue  Explain   (UCD)
_RAJ200017 12 07.9100 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+45 39 59.900 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195017 10 39.7117 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+45 44 49.459 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon071.3375940 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+35.9655854 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)
409recno 409  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

LHS434  The Luyten Half-Second (LHS, Cat. I/87) number (meta.id;meta.main)

OrigOrig  Display Luyten's original data for this star (meta.ref)

RAJ200017 12 07.91 "h:m:s" (i) Hour of Right Ascension (J2000) (Note 1)   (pos.eq.ra;meta.main)
DEJ2000+45 39 59.9 "d:m:s" (i) Degree of Declination (J2000) (Note 1)   (pos.eq.dec;meta.main)
pm 1.60 arcsec/yr Proper motion (pos.pm)
pmPA169.54 deg Position angle of proper motion (pos.posAng;pos.pm)
Dist 20.9 arcsec Distance between predicted J2000.0 position of LHS and our measurements (Note 2)   (obs.param;arith.diff)
Comdms  Comments (Note 3)   (meta.note)
RAL17 12 06 "h:m:s" (i) Luyten's Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
DEL+45 39 54 "d:m:s" (i) Luyten's Degree of Declination (J2000) (pos.eq.dec;meta.main)
muL 1.572 arcsec/yr Luyten's original proper motion (pos.pm)
PAL170.8 deg Luyten's original position angle (pos.posAng;pos.pm)
POSSI1955.22876 yr The POSS I epoch (time.epoch)
POSSII1991.45288 yr The POSS II epoch (time.epoch)
Rmag 9.7 mag The "red" magnitude (Note 4)   (phot.mag;em.opt.R)
Bmag11.3 mag The "blue" magnitude (Note 4)   (phot.mag;em.opt.B)
ID   The Tycho-2 (I/259) or Hipparcos (I/239) identification (Note 5)   (meta.id)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref)
  
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