VizieR

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VizieR

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J/AJ/121/861/table3 BVI photometry of central part of M33 (Macri+, 2001)
Catalog of stars in the central part of M33 (57581 rows)
  recno=20094
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ColumnValue  Explain   (UCD)
_RAJ200001 33 38.500 "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+30 32 27.80 "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)
_RAB195001 30 49.380 "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+30 17 05.96 "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)
_Glon133.585770 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-31.456107 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)
20094recno 20094  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

D33J013338.5+303227.8  Designation JHHMMSS.s+DDMMSS.s (Note 1)   (meta.id;meta.main)
RAJ200001 33 38.52 "h:m:s" (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
DEJ2000+30 32 27.81 "d:m:s" (i) Declination (J2000.0) (pos.eq.dec;meta.main)
Vmag20.52 mag Johnson V magnitude (phot.mag;em.opt.V)
Imag  mag CCD Cousins I magnitude (phot.mag;em.opt.I)
Bmag21.45 mag CCD Johnson B magnitude (phot.mag;em.opt.B)
e_Vmag 0.08 mag rms uncertainty on Vmag (stat.error;phot.mag;em.opt.V)
e_Imag  mag rms uncertainty on Imag (stat.error;phot.mag;em.opt.I)
e_Bmag 0.09 mag rms uncertainty on Bmag (stat.error;phot.mag;em.opt.B)
JS 0.20  V-band JS variability index (Stetson, 1987PASP...99..191S) (Note 2)   (meta.code;meta.code.multip)

_RA023.4104 deg (i) Position (derived from D33 name) (right ascension part) (pos.eq.ra;meta.main)
_DE+30.54106 deg (i) Position (derived from D33 name) (declination part) (pos.eq.dec;meta.main)
  
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