VizieR

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VizieR

  
J/ApJS/257/39
  NH3 isotope ratios of Galactic disk sources (Chen+, 2021)
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2021ApJS..257...39C
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1.J/ApJS/257/39/table4Observational parameters of NH3 measured with the Shanghai Tianma 65m radio telescope (TMRT) and the Effelsberg 100m telescope (18 rows)

Simple ConstraintList Of Constraints
 
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ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  ID (char) (i) Object identifier (meta.id;meta.main)
  Tel (char) Telescope (meta.id;instr.tel)
  tau1_1   [0.22/2.56] Peak optical depth of the (J,K)=(1,1) main group of HF components of 14NH3 from the intensity ratio method (phys.absorption.opticalDepth;meta.main;stat.max)
  e_tau1_1   [0.01/0.4] tau1_1 uncertainty (stat.error)
  tau2_2   [0.12/5.52] Peak optical depth of the (J,K)=(2,2) main group of HF components of 14NH3 from the intensity ratio method (phys.absorption.opticalDepth;meta.main;stat.max)
  e_tau2_2   [0.01/0.8] tau2_2 uncertainty (stat.error)
  tau3_3  (n) [0.11/8.56] Peak optical depth of the (J,K)=(3,3) main group of HF components of 14NH3 from the intensity ratio method (phys.absorption.opticalDepth;meta.main;stat.max)
  e_tau3_3  (n) [0.01/1] tau3_3 uncertainty (stat.error)
  tau1_1HF  (n) [0.23/3.27] Peak optical depth of the (J,K)=(1,1) main group of HF components of 14NH3 from the HF fitting procedure provided by CLASS (phys.absorption.opticalDepth;meta.main;stat.max)
  e_tau1_1HF  (n) [0.02/30.01] tau1_1HF uncertainty (stat.error)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  tau2_2HF  (n) [0.1/4.72] Peak optical depth of the (J,K)=(2,2) main group of HF components of 14NH3 from the HF fitting procedure provided by CLASS (phys.absorption.opticalDepth;meta.main;stat.max)
  e_tau2_2HF  (n) [0.03/1.1] tau2_2HF uncertainty (stat.error)
  tau3_3HF  (n) [0.1/4.3] Peak optical depth of the (J,K)=(3,3) main group of HF components of 14NH3 from the HF fitting procedure provided by CLASS (phys.absorption.opticalDepth;meta.main;stat.max)
  e_tau3_3HF  (n) [0.03/0.8] tau3_3HF uncertainty (stat.error)
  Tir K [14/36] Rotational temperature Trotir from the intensity ratio method (phys.temperature)
  e_Tir K [4/22] Tir uncertainty (stat.error)
  Trd K [8/46] Trotrd from the rotation diagram method (phys.temperature)
  e_Trd K [3/16] Trd uncertainty (stat.error)
  Thf K [10/27] Trothf from the improved HF fitting method (Note 1)   (phys.temperature)
  e_Thf K [1/17] Thf uncertainty (stat.error)
  Tk K [11/40] Kinetic temperature calculated from the empirical formula displayed in Appendix B of Tafalla+ (2004A&A...416..191T) (phys.temperature)
  e_Tk K [1/22] Tk uncertainty (stat.error)

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