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J/ApJS/260/34
  NH3 transitions detections toward W51 IRS2 (Zhang+, 2022)
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2022ApJS..260...34Z
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1.J/ApJS/260/34/table1Details of the observed NH3 transitions (33 rows)
2.J/ApJS/260/34/table2Line parameters of the quasi-thermal and maser components in the detected NH3 spectra (199 rows)

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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)Nl  (n)Number of line parameter measurements for this transition (link to Table 2) (meta.number)
   (ALL)Trans (char) (i) The observed NH3 (J,K) transitions (meta.id;phys.atmol.transition)
  (1)Freq MHz [18017.3/25715.2] Rest frequency (em.freq)
  (1)Eu K [23.3/1449.9] Upper level energy, Eu/K (phys.energy;phys.atmol.level)
  (1)Smu2 D2 [1.37/130.3] Transition strength, Sµ2 (Note 1)   (spect.line.intensity)
  (1)Obs (char) Observation epoch(s) (Note 2)   (meta.code;obs)
  (1)Det (char) Detected epoch(s) (Note 2)   (meta.code;obs)
  (1)Comm (char) Comment (Note 3)   (meta.note)
  (2)Abs (char) [*] *=Detected in absorption on that date (Note 1)   (meta.code)
  (2)Date "Y:M:D" (n)UT Observation date (time.epoch;obs)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)Vc-qt km/s (n) [49.4/68.2] Centroid velocity, quasi-thermal comp (Note 2)   (spect.dopplerVeloc)
  (2)e_Vc-qt km/s (n) [0.03/2.8] Uncertainty in Vc-qt (Note 2)   (stat.error)
  (2)l_Tp (char) Limit flag for Tp (Note 3)   (meta.code.error)
  (2)Tp K (n) [0.03/22.81] peak main-beam temperature (phys.temperature;stat.max)
  (2)e_Tp K (n) [0.01/2] Uncertainty for Tp (stat.error)
  (2)FWHM km/s (n) [2.7/27] line width, full width at half-max (spect.line.width)
  (2)e_FWHM km/s (n) [0.08/6.2] Uncertainty in FWHM (stat.error;phys.angSize)
  (2)l_W (char) Limit flag on W (Note 3)   (meta.code.error)
  (2)W K.km/s (n) [0.4/145] Integrated intensity, main component (spect.line.intensity)
  (2)e_W K.km/s (n) [0.07/2.3] Uncertainty in W (stat.error;pos.cartesian.z)
  (2)tau  (n) [0.9/25.3] optical depth (Note 4)   (phys.absorption.opticalDepth)
  (2)e_tau  (n) [0.2/3.3] Uncertainty in tau (stat.error)
  (2)Vc-MF km/s (n) [47.35/72.56] line centroid, maser feature (Note 2)   (spect.dopplerVeloc)
  (2)e_Vc-MF km/s (n) [0/0.5] Uncertainty in Vc-MF (Note 2)   (stat.error)
  (2)l_Sp (char) Limit flag on Sp (Note 3)   (meta.code.error;src.spType)
  (2)Sp Jy (n) [0.06/28.5] Peak flux density (phot.flux.density;em.radio.12-30GHz)
  (2)e_Sp Jy (n) [0.01/1.4] Uncertainty in Sp (stat.error;src.spType)
  (2)Vr-min km/s (n) [44.6/70.3] Velocity range of the narrow maser features, min (phys.veloc;stat.min)
  (2)Vr-max km/s (n) [48.7/74.8] Velocity range of the narrow maser features, max (phys.veloc;stat.max)

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