VizieR

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VizieR

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I/98A
  NLTT Catalogue (Luyten, 1979)
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1.I/98A/catalog(c)The NLTT Catalogue and 1st Supplement (58845 rows)
2.I/98A/remarks(c)Remarks for NLTT stars (5843 rows)
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Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)R (char) R indicates that the star is included in the Revised NLTT Catalog by Salim et al., 2003, Cat. J/ApJ/582/1011 (phot.mag;em.opt.R)
   (ALL)Name (char) Star designation (Note 1)   (meta.id)
   (ALL)RAB1950 "h:m:s" (i) Hours RA, equinox B1950.0 (pos.eq.ra;meta.main)
  (1)n_RAB1950   [1/2] Flag on RA: 1 = RA originally reported in 0.1min (meta.note)
   (ALL)DEB1950 "d:m:s" (i) Degrees Dec, equinox B1950.0 (pos.eq.dec;meta.main)
  (1)Rmag mag (n) Estimated red magnitude (phot.mag;em.opt.R)
  (1)n_Rmag (char) [+:] Flag on Rmag (Note 2)   (meta.note)
  (1)Ptg mag (n) Estimated photographic magnitude (phot.mag;em.opt)
  (1)n_Ptg (char) [+v:] '+' Flag on Ptg (Note 2)   (meta.note)
  (1)SpType (char) Spectral type; lowercase letters represent estimated color classes or ranges. (src.spType)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)pm arcsec/yrRelative proper motion, equinox B1950.0 (Note 3)   (pos.pm)
  (1)u_pm (char) ':' if proper motion is uncertain (meta.code.error)
  (1)pmPA deg Position angle of PM vector (Note 3)   (pos.posAng;pos.pm)
  (1)u_pmPA (char) ':' if position angle is uncertain (meta.code.error)
  (1)ModFlag (char) [A] 'A' indicates data have been changed (see Appendix A of adc.doc or adc.tex) (meta.code)
  (1)SupplFlag (char) [1] '1' indicates a star from First Supplement (Luyten and Hughes, 1980) (meta.code)
   (ALL)_RA.icrs "h:m:s" (n)(i) Right ascension (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra)
   (ALL)_DE.icrs "d:m:s" (n)(i) Declination (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec)
  (2)Text (char) Note for star in free-form text (meta.note)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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