VizieR

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VizieR

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J/AJ/105/499/table1 OB Associations and Spiral Structure in M33 (Regan+ 1993)
The observations (2018 rows)
  recno=1324
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200001 33 38.617 "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+30 32 31.04 "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)
_RAB195001 30 49.501 "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+30 17 09.00 "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)
_Glon133.586053 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-31.455144 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)
1324recno 1324  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

ID1324  (i) [1/2018] Star ID (meta.id;meta.main)
X1862 pix X Coordinate (pos.cartesian.x;instr.det)
V20.74 mag V band Magnitude (phot.mag;em.opt.V)
e_V 0.03 mag V uncertainty (stat.error;pos.cartesian.y)
B21.51 mag B band Magnitude (phot.mag;em.opt.B)
e_B 0.05 mag B uncertainty (stat.error)
U  mag U band Magnitude (blank if undetermined) (phot.mag;em.opt.U)
e_U  mag U uncertainty (blank if undetermined) (stat.error;pos.cartesian.x)
B-V 0.77 mag B-V Magnitude (phot.color;em.opt.B;em.opt.V)
U-B  mag U-B Magnitude (blank if undetermined) (phot.color;em.opt.U;em.opt.B)
ass    [22/58] Association number containing star (meta.id.parent)
Y-277 pix Y Coordinate (pos.cartesian.y;instr.det)

_RA.icrs01 33 38.6 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra;meta.main)
_DE.icrs+30 32 31 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec;meta.main)

RA195001 30 49.5 "h:m:s" (i) Right Ascension (1950) (pos.eq.ra;meta.main)
DE1950+30 17 09 "d:m:s" (i) [30] Declination (1950) (pos.eq.dec;meta.main)
  
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