VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/MNRAS/467/4970
  Cool DZ white dwarfs. I. (Hollands+, 2017)
ReadMe+ftp
2017MNRAS.467.4970H
Similar Catalogs
spectrum
Post annotation 		img(gal)
1.J/MNRAS/467/4970/table3(c)SDSS PSF photometry for all white dwarfs in our sample[spectrum] (231 rows)
2.J/MNRAS/467/4970/table6Derived parameters from atmospheric modelling of the SDSS and WHT spectra (230 rows)
3.J/MNRAS/467/4970/table7The mass fraction of the convection zone, q, and logarithm of the diffusion time-scale in years for each element (230 rows)
4.J/MNRAS/467/4970/table8Distances, proper motions, transverse motions and white dwarf cooling ages for our DZ sample (230 rows)

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)SDSS (char) SDSS name (HHMMSS.ss+DDMMSS.s) (meta.id;meta.main)
  (1)PMF (char) SDSS Plate-MJD-Fiber (meta.id)
  (1)Nsdss  Number of SDSS spectra available per object (meta.number)
  (1)umag mag SDSS u magnitude (phot.mag;em.opt.U)
  (1)e_umag mag rms uncertainty on umag (stat.error;phot.mag;em.opt.U)
  (1)gmag mag SDSS g magnitude (phot.mag;em.opt.B)
  (1)e_gmag mag rms uncertainty on gmag (stat.error;phot.mag;em.opt.B)
  (1)rmag mag SDSS r magnitude (phot.mag;em.opt.R)
  (1)e_rmag mag rms uncertainty on rmag (stat.error;phot.mag;em.opt.R)
  (1)imag mag SDSS i magnitude (phot.mag;em.opt.I)

ALL cols		    
 (i)indexed column
  (1)e_imag mag rms uncertainty on imag (stat.error;phot.mag;em.opt.I)
  (1)zmag mag SDSS z magnitude (phot.mag;em.opt.I)
  (1)e_zmag mag rms uncertainty on zmag (stat.error;phot.mag;em.opt.I)
  (1)Note (char) [*] * for the source not in other tables (meta.note)
   (ALL)SName (char) SDSS short name (HHMM+DDMM) (meta.id)
  (1)Sp (char) Interactive spectrum from SDSS-DR12 (meta.ref.url)
  (1)Simbad (char) ask the Simbad data-base about this object (meta.ref.url)
  (1)_RA deg (i) Position from SDSS name (right ascension part) (pos.eq.ra;meta.main)
  (1)_DE deg (i) Position from SDSS name (declination part) (pos.eq.dec;meta.main)
  (2)Teff K Effective temperature (phys.temperature.effective)
  (2)e_Teff K rms uncertainty on Teff (stat.error;phys.temperature.effective)
  (2)[Ca/He] [-] Abundance [Ca/He] (phys.abund)
  (2)[Mg/He] [-] Abundance [Mg/He] (phys.abund)

ALL cols		    
 (i)indexed column
  (2)[Fe/He] [-] Abundance [Fe/He] (phys.abund)
  (2)[Na/He] [-] (n) Abundance [Na/He] (phys.abund)
  (2)[Cr/He] [-] (n) Abundance [Cr/He] (phys.abund)
  (2)[Ti/He] [-] (n) Abundance [Ti/He] (phys.abund)
  (2)[Ni/He] [-] (n) Abundance [Ni/He] (phys.abund)
  (2)l_[H/He] (char) [≤ ] Limit flag on [H/He] (phys.abund)
  (2)[H/He] [-] (n) Abundance [H/He] (phys.abund)
  (3)logq [-] Mass fraction of the convection zone (phys.mass;obs.field)
  (3)tCa [yr] logarithm of the diffusion time-scale for Ca (time.interval)
  (3)tMg [yr] logarithm of the diffusion time-scale for Mg (time.interval)
  (3)tFe [yr] logarithm of the diffusion time-scale for Fe (time.interval)
  (3)tNa [yr] logarithm of the diffusion time-scale for Na (time.interval)
  (3)tCr [yr] logarithm of the diffusion time-scale for Cr (time.interval)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)tTi [yr] logarithm of the diffusion time-scale for Ti (time.interval)
  (3)tNi [yr] logarithm of the diffusion time-scale for Ni (time.interval)
  (4)Dist pc Distance (pos.distance)
  (4)e_Dist pc rms uncertainty on Dist (stat.error)
  (4)pm mas/yr (n) Total proper motion (pos.pm)
  (4)e_pm mas/yr (n) rms uncertainty on pm (stat.error)
  (4)vperp km/s (n) Perpendicular velocity (phys.veloc)
  (4)e_vperp km/s (n) rms uncertainty on vperp (stat.error)
  (4)tau Gyr Age (time.age)
  (4)E_tau Gyr Error on tau (upper value) (stat.error;stat.max)
  (4)e_tau Gyr Error on tau (lower value) (stat.error)

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