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 Halpha3. Catalog and SFR in Virgo cluster (Gavazzi+, 2012)
Post annotation
1.J/A+A/545/A16/alpha3Hα3 catalog: Basic data of the 235 target galaxies, observational specifications and integrated Hα photometric parameters (tables B1, B2 and B3) (235 rows)

Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  AGC  AGC name (;meta.main)
  m_AGC (char) [+] Multiplicity index on AGC (meta.code.multip)
  RAJ2000 "h:m:s" Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" Declination (J2000) (pos.eq.dec;meta.main)
  CGCG  (n) CGCG (Cat. VII/49) name (
  UGC  (n) UGC (Cat. VII/26) name (
  NGC  (n) NGC (Cat. VII/118) name (
  IC  (n) IC (Cat. VII/118) name (
  MType (char) Morphological type (src.morph.type)
  cz km/s Heliocentric velocity (spect.dopplerVeloc;pos.heliocentric)

ALL cols
(n) indicates a possible blank or NULL column  
  a arcmin (n) Major Axis (phys.angSize)
  b arcmin (n) Minor Axis (phys.angSize;src)
  imag mag (n) i-band magnitude (phot.mag;em.opt.I)
  gmag mag (n) g-band magnitude (phot.mag;em.opt.B)
  Dist Mpc (n) Distance (pos.distance;pos.heliocentric)
  NED  ask the NED data-base about this object (meta.ref)
  Date "Y:M:D" (n)Observing date (time.epoch)
  Ton s Exposure time (ON frame) (time.duration;obs.exposure)
  o_Ton  Number of exposures (ON frame) (meta.number)
  AirM  Air mass (ON frame) (obs.airMass)
  Zp mW/m2 Photometric Zero point (ON frame) (phot.mag;arith.zp)
  Son arcsec Seeing (ON frame) (instr.obsty.seeing)
  Toff sec Exposure time (OFF frame) (time.duration;obs.exposure)

ALL cols
(n) indicates a possible blank or NULL column  
  o_Toff  Number of exposures (OFF frame) (meta.number)
  Soff arcsec f Seeing (OFF frame) (instr.obsty.seeing)
  n  Normalization coefficient (meta.note)
  EWHa 0.1nm (n) Hα EW (spect.line.eqWidth;em.line.Halpha)
  e_EWHa 0.1nm Uncertainty on HaEW (stat.error)
  l_logF(Ha) (char) Limit flag on logF(Ha) (meta.code.error)
  logF(Ha) [mW/m2] log of Hα flux (phot.flux;em.line.Halpha;spect.line)
  e_logF(Ha) [mW/m2] (n) Uncertainty on log of Hα flux (stat.error)
  l_logSFR (char) Limit flag on logSFR (meta.code.error;phys.SFR)
  logSFR [Msun/yr](n) Stellar formation rate, uncorrected for internal extinction (arith.rate;phys.SFR)
  l_logSFRc (char) Limit flag on logSFRc (meta.code.error)
  logSFRc [Msun/yr](n) Stellar formation rate, corrected for internal extinction (arith.rate;phys.SFR)
  Note (char) [*] *: corrected for Balmer decrement (meta.note)
  Qual (char) [PT] Photometric quality (P=phot T=transp) (meta.code.qual;phot)
  Fig  (n) Atlas Figure number (

ALL cols
(n) indicates a possible blank or NULL column  
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