VizieR

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II/271A
  TASS Mark IV patches photometric catalog, version 2 (Droege+, 2007)
ReadMe+ftp
2006PASP..118.1666D
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Version 2 corrects a systematic error in photometry as function of Declination
Post annotation 		img(gal)
1.II/271A/patch2*Properties of objects detected repeatedly during the Mark IV survey of northern sky (V.2) (Note) (4353670 rows)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  TASS4  (i) Index in Mark IV engineering database (meta.id;meta.main)
  o_TASS4  Number of good (V,I) measurement pairs (meta.number)
  RAJ2000 deg (i) Mean Right Ascension (J2000.0) (pos.eq.ra;meta.main)
  e_RAJ2000 deg Standard deviation from mean RA position (stat.error;pos.eq.ra)
  DEJ2000 deg (i) Mean Declination (J2000.0) (pos.eq.dec;meta.main)
  e_DEJ2000 deg Standard deviation from mean Dec position (stat.error;pos.eq.dec)
  Vmag mag Interquartile mean of all V-band measurements (Note 5)   (phot.mag;em.opt.V)
  e_Vmag mag Standard deviation from interquartile mean V (stat.error;phot.mag;em.opt.V)
  eVmag mag Standard deviation from mean V value in ensemble analysis of local patch (Note 1)   (stat.stdev;phot.mag;em.opt.V)
  Imag mag Interquartile mean of all I-band measurements (Note 5)   (phot.mag;em.opt.I;stat.mean)
  e_Imag mag Standard deviation from interquartile mean I (stat.error;phot.mag;em.opt.I)
  eImag mag Standard deviation from mean I value in ensemble analysis of local patch (Note 1)   (stat.stdev;phot.mag;em.opt.I)
  dVmag  Normalized measure of deviation from mean V magnitude in ensemble analysis (Note 2)   (stat.variance)
  dImag  Normalized measure of deviation from mean I magnitude in ensemble analysis (Note 2)   (stat.variance)
  WS  (i) Welch-Stetson variability index (Note 3)   (meta.code;src.var.index)
  Proxy  Proximity code (Note 4)   (meta.code)
  Env  Environment when nearby star(s) exist within 1arcmin (meta.ref.url)

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