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J/ApJ/940/19
  Spectrophotometric standard DA white dwarfs (Calamida+, 2022)
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2022ApJ...940...19C
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1.J/ApJ/940/19/dawds(c)Gaia DR3 astrometry and photometry for the candidate spectrophotometric standard DA white dwarfs (Table 1) and spectroscopic and photometric parameters (Table 4) (38 rows)
2.J/ApJ/940/19/table2(c)Log of the observations collected with the Goodman spectrograph on the 4m-SOAR telescope NOAO programs 2017A-0052 (PI: Olszewski) (55 rows)
3.J/ApJ/940/19/table3(c)Log of the observations collected with LCO during programs LCO2016B-007, LCO2017AB-002, LCO2018A-002, LCO2018B-001, and LCO2019-B004 (PI: T. Matheson). (1064 rows)
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Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1+3)Set (char) Hemisphere sample (Note G1)   (src.sample)
  (1+2)Star (char) Position-based Star Name (JHHMM+DDMM) (Note G2)   (meta.id)
  (1)f_ID (char) [*] Flag excluding star from final network of spectrophotometric standard DAWDs (meta.code)
  (1)WDFS (char) White Dwarf Flux Standard designation (WDFS HHMM+DD; J2000) (meta.id)
  (1+2)OName (char) Alternative Name (Note G3)   (meta.id)
  (1+2)Gaia  Gaia DR3 identifier (meta.id;meta.main)
   (ALL)RAJ2000 "h:m:s" (i) Hour of Right Ascension (J2000) (Note G2)   (pos.eq.ra;meta.main)
   (ALL)DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (Note G2)   (pos.eq.dec;meta.main)
  (1)pmRA mas/yr [-48.6/143.6] Gaia DR3 proper motion in RA (pos.pm;pos.eq.ra)
  (1)e_pmRA mas/yr [0.04/0.9] Uncertainty in pmRA (stat.error;pos.pm;pos.eq.ra)

ALL cols		    
 (i)indexed column
  (1)pmDE mas/yr [-76/66.5] Gaia DR3 proper motion in Dec (pos.pm;pos.eq.dec)
  (1)e_pmDE mas/yr [0.05/0.8] Uncertainty in pmDE (stat.error;pos.pm;pos.eq.dec)
  (1)Gmag mag [15.88/19.97] Gaia DR3 G-band magnitude (phot.mag;em.opt)
  (1)RPmag mag [16.11/20.25] Gaia DR3 RP band magnitude (phot.mag;em.opt.R)
  (1)BPmag mag [15.77/19.82] Gaia DR3 BP band magnitude (phot.mag;em.opt.B)
   (1+3)ID (char) (i) Identifier as given in Tables 3 and 4; column added by CDS (meta.id)
  (1+2)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (1)Flag (char) Flag (Note 1)   (meta.code.error)
  (1)Nexp   [6/45] Number of exposures (meta.number)
  (1)GmagEDR3 mag [15.88/20] Gaia EDR3 G band magnitude (phot.mag;em.opt)
  (1)e_GmagEDR3 mag [0.001/0.006] Uncertainty in Gmag (stat.error;phot.mag;em.opt)
  (1)sigmaLCO mag [0.01/0.04] Dispersion in LCO timeseries (stat.variance;phot.mag)
  (1)chi2   [0.7/16.4] Variable reduced χ2, Equation 1 (stat.fit.chi2)

ALL cols		    
 (i)indexed column
  (1)IQR   [0/0.12] Interquartile range, LCO time-series (Note 2)   (src.var.index)
  (1)1/eta   [0/33] Von Neumann ratio η, LCO time-series, Equation 2 (src.var.index)
  (1)IQR-ATLAS  (n) [0.05/0.91] Interquartile range, ATLAS time-series (src.var.index)
  (1)1/eta-ATLAS  (n) [0.07/77.25] Von Neumann ratio η, ATLAS time-series (src.var.index)
  (1)Note (char) Note on IR excess (meta.note)
  (1)Nlco  (n)Number of LCO observation logs for this WD (link to Table 3) (meta.number)
  (1)Nsp  (n)Number of SOAR observations for this WD (link to Table 2) (meta.number)
  (2)C  (n)Display the WD parameters (link to Tables 1+4) (meta.ref.url)
  (2)Obs "Y:M:D" [2016/2017] Observation date, UTC, year (time.epoch;obs)
  (2)lam1 0.1nm [3850/3870] Wavelength min, Angstroms (em.wl;stat.min)
  (2)lam2 0.1nm [7100/7150] Wavelength max, Angstroms (em.wl;stat.max)
  (2)PA deg [5/348] Position angle of spectrum, E of N (pos.posAng)
  (2)Airmass   [1/1.7] Air mass (obs.airMass)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)Std (char) Flux Standard ("Feige110", "Feige67" or "GD71") (meta.note)
  (2)ExpTime (char) Exposure time, Seconds or CoaddxSeconds (time.duration;obs.exposure)
  (3)Tel (char) LCO Telescope code (meta.id;instr.tel)
  (3)MJD d [57696.9/58817.1] Modified Julian Date of Observation (JD-2400000.5) (time.epoch)
  (3)ExpTime s [39/579] Exposure time (time.duration;obs.exposure)

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