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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

  Extinction in star-forming regions (McClure, 2009)
Post annotation
1.J/ApJ/693/L81/table1(c)Spectral type information for the entire sample (34 rows)
2.J/ApJ/693/L81/table2Final, composite extinction curves (extinction curves) (1532 rows)

Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (1)2M (char) Display the 2MASS data (Cutri et al. 2003, Cat. II/246) (meta.ref.url)
  (1)2MASSJ (char) 2MASS designation (HHMMSSss+DDMMSSs) (
  (1)AK  (n) K-band extinction (Note 3)   (phys.absorption)
  (1)Cld (char) Cloud name (
  (1)_DE deg (i) Positions from 2MASS name (declination part) (pos.eq.dec;meta.main)
  (1)e_AK  (n) AK uncertainty (stat.error)
  (1)e_tau9.7  (n) tau9.7 uncertainty (stat.error)
  (1)e_tauCO2  (n) tauCO2 uncertainty (stat.error)
  (1)e_tauH2O  (n) tauH2O uncertainty (stat.error)
  (1)e_tauMet  (n) tauMet uncertainty (stat.error)
  (1)l_AK (char) Limit flag on AK (meta.code.error)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Name (char) Star name (;meta.main)
  (1)PID  AOR number (Astronomical Observation Request identification number) (;obs)
  (1)_RA deg (i) Positions from 2MASS name (right ascension part) (pos.eq.ra;meta.main)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)r_Name (char) [b] Flag on Name (Note 1)   (meta.ref;pos.frame)
  (1)r_SpT (char) [c] Flag on SpT (Note 2)   (meta.ref;pos.frame)
  (1)Simbad (char) ask the Simbad data-base about this object
  (1)SpT (char) MK spectral type (src.spType)
  (1)tau9.7  (n) Optical depth of the 9.7um silicate (phys.absorption.opticalDepth)
  (1)tauCO2  (n) Optical depth of the 15.2um (CO2 ice) (phys.absorption.opticalDepth)
  (1)tauH2O  (n) Optical depth of the 6um (H2O ice) (phys.absorption.opticalDepth)
  (1)tauMet  (n) Optical depth of the 6.8um ("methanol" ice) (phys.absorption.opticalDepth)
  (2)Al/AK1  Aλ/AKs for 0.3<Ak<1 (phys.absorption.coeff)
  (2)Al/AK2  Aλ/AKs for 1<Ak<7 (phys.absorption.coeff)
  (2)lambda um Wavelength (Note 1)   (em.wl)

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