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VizieR

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I/98A/catalog NLTT Catalogue (Luyten, 1979)
The NLTT Catalogue and 1st Supplement (58845 rows)
  recno=18379
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ColumnValue  Explain   (UCD)
_RAJ200007 45 19.44 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+28 01 33.5 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195007 42 16.00 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+28 08 54.0 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon192.23275 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+23.41624 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)
18379recno 18379  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
RR  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)

Name +28:1463*  Star designation (Note 1)   (meta.id)
RAB195007 42 16 "h:m:s" (i) Hours RA, equinox B1950.0 (pos.eq.ra;meta.main)
n_RAB19502   [1/2] Flag on RA: 1 = RA originally reported in 0.1min (meta.note)
DEB1950+28 08.9 "d:m:s" (i) Degrees Dec, equinox B1950.0 (pos.eq.dec;meta.main)
Rmag 1.1 mag Estimated red magnitude (phot.mag;em.opt.R)
n_Rmag    [+:] Flag on Rmag (Note 2)   (meta.note)
Ptg 2.2 mag Estimated photographic magnitude (phot.mag;em.opt)
n_Ptg    [+v:] '+' Flag on Ptg (Note 2)   (meta.note)
SpTypeK0  Spectral type; lowercase letters represent estimated color classes or ranges. (src.spType)
pm 0.625 arcsec/yr Relative proper motion, equinox B1950.0 (Note 3)   (pos.pm)
u_pm   ':' if proper motion is uncertain (meta.code.error)
pmPA266 deg Position angle of PM vector (Note 3)   (pos.posAng;pos.pm)
u_pmPA   ':' if position angle is uncertain (meta.code.error)
ModFlag    [A] 'A' indicates data have been changed (see Appendix A of adc.doc or adc.tex) (meta.code)
SupplFlag    [1] '1' indicates a star from First Supplement (Luyten and Hughes, 1980) (meta.code)

_RA.icrs07 45 19 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+28 01.6 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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