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J/ApJ/815/63
  SDSS wide double white dwarfs spectroscopy (Andrews+, 2015)
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2015ApJ...815...63A
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1.J/ApJ/815/63/table1(c)Properties of candidate and confirmed wide double white dwarfs (DWDs) (142 rows)
2.J/ApJ/815/63/table3(c)Fit results for the DA/DA double white dwarf spectroscopic sample (56 rows)
3.J/ApJ/815/63/table4DA/DA DWDs used to constrain the initial-final mass relation (IFMR) (19 rows)
4.J/ApJ/815/63/table7Fit results for the non-DA/DA spectroscopic sample (45 rows)

Simple ConstraintList Of Constraints
 
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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)
   (ALL)DWD (char) (i) Double White Dwarf Name (meta.id;meta.main)
  (1)R (char) : used to constrain the initial-final mass relation (IFMR) (meta.ref.url)
  (1)RAJ2000 "h:m:s" (i) White Dwarf 1, Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  (1)DEJ2000 "d:m:s" (i) White Dwarf 1, Degree of Declination (J2000) (pos.eq.dec;meta.main)
  (1)RA2 "h:m:s" (n) White Dwarf 2, Hour of Right Ascension (J2000) (pos.eq.ra)
  (1)DE2 "d:m:s" (n) White Dwarf 2, Degree of Declination (J2000) (pos.eq.dec)
  (1)gmag1 mag (n) [13.9/21] White Dwarf 1, SDSS g magnitude (phot.mag;em.opt.B)
  (1)e_gmag1 mag (n) [0/0.2] Uncertainty in gmag1 (stat.error;phot.mag)
  (1)gmag2 mag (n) [14.4/21.3] White Dwarf 2, SDSS g magnitude (phot.mag;em.opt.B)
  (1)e_gmag2 mag (n) [0/0.3] Uncertainty in gmag2 (stat.error;phot.mag)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)pmRA1 mas/yr (n) [-288/239] White Dwarf 1, Proper Motion in RA (pos.pm;pos.eq.ra)
  (1)e_pmRA1 mas/yr (n) [1.5/6] Uncertainty in pmRA1 (stat.error;pos.pm;pos.eq.ra)
  (1)pmDE1 mas/yr (n) [-1788/165] White Dwarf 1, Proper Motion in DE (pos.pm;pos.eq.dec)
  (1)e_pmDE1 mas/yr (n) [1.5/6] Uncertainty in pmDE1 (stat.error;pos.pm;pos.eq.dec)
  (1)pmRA2 mas/yr (n) [-296/209] White Dwarf 2, Proper Motion in RA (pos.pm;pos.eq.ra)
  (1)e_pmRA2 mas/yr (n) [1.5/6] Uncertainty in pmRA2 (stat.error;pos.pm;pos.eq.ra)
  (1)pmDE2 mas/yr (n) [-1784/156] White Dwarf 2, Proper Motion in DE (pos.pm;pos.eq.dec)
  (1)e_pmDE2 mas/yr (n) [1.5/6] Uncertainty in pmDE2 (stat.error;pos.pm;pos.eq.dec)
  (1+3)theta arcsec (n) [1/97] Angular separation θ (pos.angDistance)
  (1)Sp (char) [Y/N] Targeted for spectroscopy? (meta.code)
  (1)Ref (char) Reference(s) (Note 1)   (meta.ref;pos.frame)
  (1)DA  (n)Display the fit results for this DA/DA double white dwarf spectroscopic sample (table 3) (meta.ref.url)
  (1)nDA  (n)Display the fit results for this non-DA/DA double white dwarf spectroscopic sample (table7) (meta.ref.url)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)DR9 (char) Display the SDSS-DR9 data (Adelman-McCarthy+, 2012, Cat. V/139) within 1" of the two white dwarfs (meta.ref.url)
  (1)Sloan (char) Display the online SDSS data for the nearest object of the 1st white dwarf (meta.ref.url)
  (1+2+4)SimbadName (char) Designation understandable by the Simbad data-base (meta.id)
  (2+4)m_DWD (char) White Dwarf Component Name (Note G1)   (meta.code.multip)
  (2+4)f_DWD (char) [bc] Object Flag (Note G2)   (meta.code)
  (2)Q   [1/2] Fidelity: 1=High; 2=Low (meta.code.qual)
  (2+4)Tel (char) Telescope used for spectroscopy (Note G3)   (instr.setup)
  (2+4)N   [4/6] Number of Fitted Balmer Lines (meta.number)
  (2+4)SN (char) Signal/Noise of spectra in WD fit (Note G4)   (meta.note)
  (2+4)Teff K [6680/47800] Fit derived Surface Temperature (phys.temperature)
  (2+4)e_Teff K [120/2930] Uncertainty in Teff (stat.error;phys.temperature.effective)
  (2+4)logg [cm/s2] [7.3/9.1] Fit derived Log Surface Gravity (stat.weight;phys.gravity;meta.modelled)
  (2+4)e_logg [cm/s2] [0.04/0.6] Uncertainty in logg (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2+3+4)Dist pc [51/503] Fit derived Distance (pos.distance;pos.heliocentric)
  (2+4)e_Dist pc [2/77] Uncertainty in Distance (stat.error)
  (2+4)MWD Msun [0.3/1.3] Fit derived White Dwarf Mass (phys.mass)
  (2+4)e_MWD Msun [0.02/0.3] Uncertainty in MWD (stat.error)
  (2+4)tauc Myr [2/3646] Cooling Age τc in Myr (time.age)
  (2)l_e_tauc (char) Upper limit flag on e_tauc (meta.code.error)
  (2+4)e_tauc Myr [1/968] Uncertainty in τc (stat.error)
  (2)_RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  (2)_DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  (3)MWD1 Msun [0.5/1.3] White Dwarf 1 Mass (phys.mass)
  (3)e_MWD1 Msun [0.02/0.08] Uncertainty in MWD1 (stat.error)
  (3)MWD2 Msun [0.5/1] White Dwarf 2 Mass (phys.mass)
  (3)e_MWD2 Msun [0.02/0.09] Uncertainty in MWD2 (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)tauc1 Myr [2/1670] White Dwarf 1, Cooling time τc1 (time.epoch)
  (3)l_e_tauc1 (char) Upper limit flag on e_tauc1 (meta.code.error)
  (3)e_tauc1 Myr [1/320] Uncertainty in tauc1 (stat.error)
  (3)tauc2 Myr [6/1720] White Dwarf 2, Cooling time τc2 (time.epoch)
  (3)l_e_tauc2 (char) Upper limit flag on e_tauc2 (meta.code.error)
  (3)e_tauc2 Myr [1/350] Uncertainty in tauc2 (stat.error)
  (3)Sep AU [385/6080] Projected binary separation (pos.distance)
  (4)Set (char) [1-6] Category of systems with spectroscopy (Note 1)   (meta.code)
  (4)Type (char) WD Type (src.class)

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