VizieR

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VizieR

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I/293/npm2cros NPM2 Cross-Identifications (Klemola+ 2004)
NPM2 Catalog Cross-Identifications file (46887 rows)
  recno=28980
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ColumnValue  Explain   (UCD)
_RAJ200020 20 08.700 "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+16 43 53.00 "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)
_RAB195020 17 51.328 "h:m:s" Right ascension (FK4, Equinox=B1950.0) 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)
_DEB1950+16 34 21.85 "d:m:s" Declination (FK4, Equinox=B1950.0) 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)
_Glon058.329417 deg Galactic longitude 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.galactic.lon)
_Glat-10.978851 deg Galactic latitude 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.galactic.lat)
28980recno 28980  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NPM2+16.1853  (i) [0-9.±] NPM2 star "name" made of Byte 1 : Sign of J2000 declination zone Bytes 2-3: J2000 Declination zone Bytes 4-8: Running number in this zone (meta.id;meta.main)
StarIC 4997  Name of star (from literature source) (meta.id)
KLAELS  Code for class of object, defined in files npm2code.dat and npm2code.txt (src.class)
RAJ200020 20 08.7 "h:m:s" (i) Right ascension J2000, Ep=J2000 (hours) (Note)   (pos.eq.ra;meta.main)
DEJ2000+16 43 53 "d:m:s" (i) Declination J2000, Ep=J2000 (degrees) (Note)   (pos.eq.dec;meta.main)
Bmag11.8 mag Rounded B magnitude from NPM2 Catalog (phot.mag;em.opt.B)
ID1   [0,3] Code for identification reliability (Note)   (stat.error)
IQ0   [0,3] Code for image quality (Note)   (stat.error)
IN0   [0,1] Code for footnote in npm2foot.dat (see ID and IQ) 0=no footnote, 1=has footnote (meta.code)
r_Star 857  Four-digit code for publication reference (see npm2ref1.dat) (meta.ref)
REFc 0000  Code for reference to finding chart, (Note)   (meta.ref)
mag  mag Magnitude quoted from publication reference (rarely other source); zero if none (phot.mag)
col  mag B-V color quoted from publication reference (rarely other source); zero if none (phot.color)
n_mag0   [0,8] Magnitude type code: (Note)   (meta.code;instr.filter)
n_col0   [0,2] Color-index type code: 0=none, 1=B-V, 2=other (if any) (meta.code;instr.filter)
tycT   [T] Code for star in Tycho-2 catalog ' '=no, 'T'=yes (meta.code)
hip    [H] Code for star in Hipparcos catalog ' '=no, 'H'=yes (meta.code)
  
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