VizieR

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VizieR

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Target Name (resolved by Sesame) or Position:
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NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/ApJS/257/39
  NH3 isotope ratios of Galactic disk sources (Chen+, 2021)
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img(gal)
1.J/ApJS/257/39/table2(c)Observational parameters of the (J,K)=(1,1), (2,2) and (3,3) inversion lines of 14NH3 and 15NH3 obtained from Gaussian fits (15 unique sources) (108 rows)
2.J/ApJS/257/39/table4Observational parameters of NH3 measured with the Shanghai Tianma 65m radio telescope (TMRT) and the Effelsberg 100m telescope (18 rows)
3.J/ApJS/257/39/table5Total 14NH3 and 15NH3 column densities with and without opacity corrections and their ratios (23 rows)
4.J/ApJS/257/39/table7(c)Our source list for 14NH3 and 15NH3 observations (195 unique sources) (1260 rows)

 
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)
   (ALL)ID (char) (i) Object identifier (meta.id;meta.main)
   (ALL)Tel (char) Telescope code (Note 1)   (meta.code;instr.tel)
  (1+4)RAJ2000 "h:m:s" (i) [0/20] Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  (1+4)DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
  (1+4)Time min [11/360] Total exposure time (time.duration;obs.exposure)
  (1+4)Mol (char) Molecule identifier (meta.id)
  (1+4)rms mK [6.38/135] Root Means Square noise (Note 2)   (meta.note)
  (1)IntTmbdv K.km/s (n) [0.09/245] Integrated intensity (Note 3)   (phot.flux.density)
  (1)e_IntTmbdv K.km/s (n) [0.01/4] Uncertainty in IntTmbdv (stat.error)
  (1)VLSR km/s (n) [-19.5/95.6] Local Standard of Rest velocity (phys.veloc;pos.lsr)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)e_VLSR km/s (n) [0.01/4] Uncertainty in VLSR (stat.error;phys.veloc;pos.lsr)
  (1)DeltaV km/s (n) [1/13] Line width; FWHM (spect.line.width)
  (1)e_DeltaV km/s (n) [0.01/9.3] Uncertainty in DeltaV (stat.error)
  (1)Tmb K (n) [0.03/15.34] Main beam brightness peak temperature (phys.temperature;meta.main;stat.max)
  (2)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)
  (2)e_tau1_1   [0.01/0.4] tau1_1 uncertainty (stat.error)
  (2)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)
  (2)e_tau2_2   [0.01/0.8] tau2_2 uncertainty (stat.error)
  (2)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)
  (2)e_tau3_3  (n) [0.01/1] tau3_3 uncertainty (stat.error)
  (2)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)
  (2)e_tau1_1HF  (n) [0.02/30.01] tau1_1HF uncertainty (stat.error)
  (2)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)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)e_tau2_2HF  (n) [0.03/1.1] tau2_2HF uncertainty (stat.error)
  (2)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)
  (2)e_tau3_3HF  (n) [0.03/0.8] tau3_3HF uncertainty (stat.error)
  (2)Tir K [14/36] Rotational temperature Trotir from the intensity ratio method (phys.temperature)
  (2)e_Tir K [4/22] Tir uncertainty (stat.error)
  (2)Trd K [8/46] Trotrd from the rotation diagram method (phys.temperature)
  (2)e_Trd K [3/16] Trd uncertainty (stat.error)
  (2)Thf K [10/27] Trothf from the improved HF fitting method (Note 1)   (phys.temperature)
  (2)e_Thf K [1/17] Thf uncertainty (stat.error)
  (2)Tk K [11/40] Kinetic temperature calculated from the empirical formula displayed in Appendix B of Tafalla+ (2004A&A...416..191T) (phys.temperature)
  (2)e_Tk K [1/22] Tk uncertainty (stat.error)
  (3)Nt14NH3 cm-2 (n) [2.3e+14/1.2e+16] 14NH3 column density without opacity corrections (phys.columnDensity)
  (3)Nt15NH3 cm-2 [4.2e+12/3.2e+14] 15NH3 column density without opacity corrections (phys.columnDensity)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)Ntc14NH3 cm-2 (n) [2.5e+14/3.1e+16] 14NH3 column density accounting for opacity effect (phys.columnDensity)
  (3)Ntc15NH3 cm-2 [4.6e+12/6e+14] 15NH3 column density accounting for opacity effect (Note 1)   (phys.columnDensity)
  (3)Ratio   [8/321] Ratio of the column densities, 14NH3/15NH3, neglecting opacity corrections (phys.columnDensity;arith.ratio)
  (3)e_Ratio   [5/171] Ratio uncertainty (stat.error;arith.ratio)
  (3)Ratioc   [13/603] Opacity-corrected values of 14NH3/15NH3 (phys.columnDensity;arith.ratio)
  (3)e_Ratioc   [6/213] Ratioc uncertainty (stat.error)
  (3)Dist kpc (n) [0.21/8.4] Heliocentric distance from the parallax-based distance calculator (pos.distance)
  (3)e_Dist kpc (n) [0.11/1.3] Dist uncertainty (stat.error)
  (3)Rgc kpc (n) [0.31/10.3] Galactocentric distance from the heliocentric distance (pos.distance;pos.galactocentric)
  (3)e_Rgc kpc (n) [0.11/2] Rgc uncertainty (stat.error)
  (3)Class (char) Source classification (Note 2)   (meta.code.class)
  (3)r_Class (char) References for the classification from the literature (Note 3)   (meta.ref;pos.frame)
  (3)Notes (char) Notes (Note 4)   (meta.note)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (4)Obs  (n)Display the NH3 observational parameters (Tables 2, 4 and 5) (meta.ref.url)
  (4)f_Mol (char) [b] Indicates a line detection in Mol (meta.code)
  (4)R10  (n)Display data from Rosolowsky+, 2010, J/ApJS/188/123 ; Cyganowski+, 2013, J/ApJ/764/61 and Reid+, 2014, J/ApJ/783/130/table1 within 5" (meta.ref.url)

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