VizieR

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VizieR

J/AZh/85/794/table1 UBVRHα photometry on 5 galaxies (Gusev+, 2008)
Photometry of star formation complexes (SFCs) in galaxies (170 rows)
  recno=125
Post annotation about this record
ColumnValue  Explain   (UCD)
125recno 125  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

GalaxyNGC 4490  Galaxy name (meta.id.parent)
m_Galaxy    [/57 ] For Galaxy = NGC 4556/57 (meta.code.multip)
HII32  Giant HII region number within the cluster (meta.id;meta.main)
U-B-0.63 mag U-B colour index (phot.color;em.opt.U;em.opt.B)
B-V 0.35 mag B-V colour index (phot.color;em.opt.B;em.opt.V)
V-R 0.58 mag V-R colour index (phot.color;em.opt.V;em.opt.R)
LCI-0.30 mag Lyman continuum index (Note 1)   (phot.color;em.opt.V;em.line.Halpha)
Bmag16.30 mag B magnitude (phot.mag;em.opt.B)
D 1.3 arcsec Size of the image of the object in the Hα+[NII] filter (phys.angSize)
AV 0.97 mag Interstellar absorption in V band (phys.absorption;em.opt.V)
logt 7.50 [yr] Age estimate (time.age)
Delta 0.23 mag Error in the colours corrected for the interstellar absorption (Note 2)   (stat.error;phys.absorption)
  
elapse time 0

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