VizieR

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VizieR

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J/A+A/463/243/stars Variations of O-B stars in Mercator observations (De Cat+, 2007)
List of variables with positions from Simbad (27 rows)
  HD=19374
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ColumnValue  Explain   (UCD)
_RAJ200003 07 25.700 "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+17 52 48.00 "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)
_RAB195003 04 36.402 "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+17 41 18.35 "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)
_Glon162.983844 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-34.209399 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)
6recno 6  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HD 19374  (i) HD number of the star (meta.id;meta.main)
HIP 14514   Hipparcos number (Cat. I/239) (meta.id)
RAJ200003 07 25.7 "h:m:s" (i) Simbad Hour of Right Ascension (J2000.0) (pos.eq.ra;meta.main)
DEJ2000+17 52 48 "d:m:s" (i) Simbad Degree of Declination (J2000.0) (pos.eq.dec;meta.main)
Bmag 6.002 mag Simbad B band magnitude (phot.mag;em.opt.B)
Vmag 6.124 mag Simbad V band magnitude (phot.mag;em.opt.V)
SpTypeB1.5V  Simbad MK spectral (src.spType)

SimbadSimbad  ask the Simbad data-base about this object
J/A+A/463/243/table2a Variations of O-B stars in Mercator observations (De Cat+, 2007)
Mean magnitudes in the 7 Geneva passbands (27 rows)
  HD=19374
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ColumnValue  Explain   (UCD)
6recno 6  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HD 19374  HD number of the star (meta.id;meta.main)
Umag 5.4474 mag Mean magnitude in Geneva U filter (phot.mag;stat.mean)
e_Umag 0.0004 mag Standard error on Umag (stat.error;phot.mag;em.opt.U)
Ures 2.5 mmag Standard deviation of final residuals in U (stat.stdev)
Bmag 5.8175 mag Mean magnitude in Geneva B filter (phot.mag;stat.mean)
e_Bmag 0.0005 mag Standard error on Bmag (stat.error;phot.mag;em.opt.B)
Bres 2.7 mmag Standard deviation of final residuals in B (stat.stdev)
B1mag 5.0189 mag Mean magnitude in Geneva B1 filter (phot.mag;stat.mean)
e_B1mag 0.0004 mag Standard error on B1mag (stat.error;phot.mag;em.opt.B)
B1res 2.5 mmag Standard deviation of final residuals in B1 (stat.stdev)
B2mag 6.6013 mag Mean magnitude in Geneva B2 filter (phot.mag;stat.mean)
e_B2mag 0.0005 mag Standard error on B2mag (stat.error;phot.mag;em.opt.B)
B2res 2.7 mmag Standard deviation of final residuals in B2 (stat.stdev)
V1mag 6.8022 mag Mean magnitude in Geneva V1 filter (phot.mag;stat.mean)
e_V1mag 0.0005 mag Standard error on V1mag (stat.error;phot.mag;em.opt.V)
V1res 2.6 mmag Standard deviation of final residuals in V1 (stat.stdev)
Vmag 6.1111 mag Mean magnitude in Geneva V filter (phot.mag;stat.mean)
e_Vmag 0.0004 mag Standard error on Vmag (stat.error;phot.mag;em.opt.V)
Vres 2.3 mmag Standard deviation of final residuals in V (stat.stdev)
Gmag 7.3221 mag Mean magnitude in Geneva G filter (phot.mag;stat.mean)
e_Gmag 0.0006 mag Standard error on Gmag (stat.error;phot.mag)
Gres 3.1 mmag Standard deviation of final residuals in G (stat.stdev)
J/A+A/463/243/table3a Variations of O-B stars in Mercator observations (De Cat+, 2007)
Mean magnitudes in the Hipparcos Hp passband (21 rows)
  HD=19374
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