VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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I/87B/catalog LHS Catalogue, 2nd Edition (Luyten 1979)
The LHS catalogue (4470 rows)
  LHS=520
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I/87B/notes LHS Catalogue, 2nd Edition (Luyten 1979)
Notes to LHS stars (411 rows)
  LHS=520
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I/279/catalog Revised Luyten Half-Second Catalogue (Bakos+ 2002)
Revised Positions and Proper Motions for LHS stars (4470 rows)
  LHS=520
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ColumnValue  Explain   (UCD)
_RAJ200022 24 36.8900 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000. (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)
_DEJ2000-72 15 19.500 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000. (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)
_RAB195022 20 21.9046 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950. (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)
_DEB1950-72 29 58.787 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950. (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)
_Glon316.8294807 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-40.6738152 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)
495recno 495  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

LHS520  The Luyten Half-Second (LHS, Cat. I/87) number (meta.id;meta.main)

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

RAJ200022 24 36.89 "h:m:s" (i) Hour of Right Ascension (J2000) (Note 1)   (pos.eq.ra;meta.main)
DEJ2000-72 15 19.5 "d:m:s" (i) Degree of Declination (J2000) (Note 1)   (pos.eq.dec;meta.main)
pm 1.47 arcsec/yr Proper motion (pos.pm)
pmPA117.24 deg Position angle of proper motion (pos.posAng;pos.pm)
Dist 16.9 arcsec Distance between predicted J2000.0 position of LHS and our measurements (Note 2)   (obs.param;arith.diff)
ComTs  Comments (Note 3)   (meta.note)
RAL22 24 34 "h:m:s" Luyten's Hour of Right Ascension (J2000) (pos.eq.ra)
DEL-72 15 30 "d:m:s" Luyten's Degree of Declination (J2000) (pos.eq.dec)
muL 1.470 arcsec/yr Luyten's original proper motion (pos.pm)
PAL117.4 deg Luyten's original position angle (pos.posAng;pos.pm)
POSSI1977.78186 yr The POSS I epoch (time.epoch)
POSSII1996.77319 yr The POSS II epoch (time.epoch)
Rmag 5.4 mag The "red" magnitude (Note 4)   (phot.mag;em.opt.R)
Bmag 6.0 mag The "blue" magnitude (Note 4)   (phot.mag;em.opt.B)
ID9340-02962-1  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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