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

Query Setup (usage)

Maximum Entries per table: 151020501002001000999999999999999unlimited

Output layout: VOTableVOTable (bin-64)VOPlotXML + CSV (Astrores)FITS (ascii) TableKMZ/KML - Google SkySkyCat-CompatibleHTML TableHTML with CheckboxesDetailed resultsTab-Separated-Values| -Separated-Values; -Separated-Valuesascii text/plainascii tableascii - smallascii - tinyascii - with Checkboxesascii - small with Checkboxesascii - 999'filled

Output Order: + -

Query by Position on the Sky  (Adapt Form to use a List of targets)
Target Name (resolved by Simbad) or Position: todayJ2000B1975B1950B1900B1875B1855GalacticSupergal.Ecl.J2000 Position in Sexagesimal, or Decimal °	Target dimension: degarcminarcsec Radius or Box size
Output preferences for Position:
r x,y Position Galactic   J2000     B1950   Ecl.J2000   none Compute                 Sort by		r and x,y are the distance to the Target; Position is in the same coordinate system as Target.

Query by Constraints applied on Columns

Show	Sort	Column	Constraint	Explain   (UCD)
		TASS4		Index in Mark IV engineering database   (meta.id;meta.main)   (ID_MAIN)
		o_TASS4		Number of good (V,I) measurement pairs   (meta.number)   (NUMBER)
		RAJ2000	deg	Mean Right Ascension (J2000.0)   (pos.eq.ra;meta.main)   (POS_EQ_RA_MAIN)
		e_RAJ2000	deg	Standard deviation from mean RA position   (stat.error;pos.eq.ra)   (ERROR)
		DEJ2000	deg	Mean Declination (J2000.0)   (pos.eq.dec;meta.main)   (POS_EQ_DEC_MAIN)
		e_DEJ2000	deg	Standard deviation from mean Dec position   (stat.error;pos.eq.dec)   (ERROR)
		Vmag	mag	Interquartile mean of all V-band measurements (Note 5)   (phot.mag;em.opt.V)   (PHOT_JHN_V)
		e_Vmag	mag	Standard deviation from interquartile mean V   (stat.error;phot.mag;em.opt.V)   (ERROR)
		eVmag	mag	Standard deviation from mean V value in ensemble analysis of local patch (Note 1)   (stat.stdev;phot.mag;em.opt.V)   (FIT_STDEV)
		Imag	mag	Interquartile mean of all I-band measurements (Note 5)   (phot.mag;em.opt.I)   (PHOT_COUS_I)
		e_Imag	mag	Standard deviation from interquartile mean I   (stat.error;phot.mag;em.opt.I)   (ERROR)
		eImag	mag	Standard deviation from mean I value in ensemble analysis of local patch (Note 1)   (stat.stdev;phot.mag;em.opt.I)   (FIT_STDEV)
		dVmag		Normalized measure of deviation from mean V magnitude in ensemble analysis (Note 2)   (stat.variance)   (STAT_DISP)
		dImag		Normalized measure of deviation from mean I magnitude in ensemble analysis (Note 2)   (stat.variance)   (STAT_DISP)
		WS		Welch-Stetson variability index (Note 3)   (meta.code;src.var.index)   (VAR_INDEX)
		Proxy		Proximity code (Note 4)   (meta.code)   (CODE_MISC)
		Env		Environment when nearby star(s) exist within 1arcmin   (meta.ref.url)   (DATA_LINK)
ALL cols

Adapt Form (usage)

Columns with UCDs: Allow LISTs from file: