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VizieR

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J/ApJ/540/236/table1 KH photometry of Orion Nebula Cluster (Hillenbrand+, 2000)
Keck/NIRC photometry and astrometry for the inner ONC (777 rows)
  recno=570
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200005 35 16.3900 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (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)
_DEJ2000-05 21 50.600 "d:m:s" Declination (FK5, Equinox=J2000.0) (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)
_RAB195005 32 48.8951 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (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)
_DEB1950-05 23 43.885 "d:m:s" Declination (FK4, Equinox=B1950.0) (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)
_Glon208.9863498 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-19.3727311 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)
570recno 570  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

[HC2000]571  Orion Nebula Cluster Identification number (Note 1)   
RAJ200005 35 16.39 "h:m:s" Right Ascension (J2000) (Note 2)   
DEJ2000-05 21 50.6 "d:m:s" Declination (J2000) (Note 2)   
l_Kmag   Limit on Kmag
Kmag12.478 mag The 2.2µm magnitude from Keck/NIRC
l_Hmag   Limit on Hmag
Hmag12.957 mag The 1.6µm magnitude from Keck/NIRC
e_Kmag 0.006 mag IRAF/PHOT errors in Kmag; intended for relative comparison only
e_Hmag 0.008 mag IRAF/PHOT errors in Hmag; intended for relative comparison only
OptID9142  Optical identification (Note 3)   
AltID   Alternative IR identification (Note 4)   
  
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