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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/ApJ/854/124
  The Megamaser Cosmology Project. X. (Zhao+, 2018)
Post annotation
img(gal)
1.J/ApJ/854/124/table1(c)The megamaser sample (7 rows)
2.J/ApJ/854/124/table3Maser fits (622 rows)
3.J/ApJ/854/124/table4Re-averaged data (22 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)Gal (char) Galaxy name (meta.id;meta.main)
  (1)f_Gal (char) Flag on Gal (Note 1)   (meta.code)
  (1+2)VLSR km/s [2752/12307] LSR "optical" velocity from NED (spect.dopplerVeloc.opt;em.opt;pos.lsr)
  (1)Dist Mpc [38.9/167.4] Distance DA (Note 2)   (pos.distance;pos.heliocentric)
  (1)Morph (char) Host galaxy morphological type from NED (src.morph.type)
  (1)Type (char) AGN type from NED (src.class)
  (1)Disc (char) Discovery reference (meta.bib)
  (1)f_Disc (char) [e] e: Megamaser discovery from previous Megamaser Cosmology Project (MCP) work and date (meta.code)
  (1)Nm  (n)Number of maser fits for this galaxy (link to Table 3,and Table 4) (meta.number)
  (1)SimbadName (char) Designation understandable by the Simbad data-base (meta.id)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)NED (char) ask the NED data-base about this object (meta.ref.url)
  (1)_RA deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
  (1)_DE deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  (2+3)Code (char) Experiment code identifier (meta.id)
  (2)Width km/s [1.7/9] Channel width (spect.resolution)
  (2+3)thetaX mas [-5.4/4.9] East-west position offset (Note 2)   (pos;arith.diff)
  (2+3)e_thetaX mas [0.0009/0.2] Uncertainty in thetaX (Note 3)   (stat.error)
  (2+3)thetaY mas [-13/10.8] North-south position offset (Note 2)   (pos;arith.diff)
  (2+3)e_thetaY mas [0.003/0.5] Uncertainty in thetaY (Note 3)   (stat.error)
  (2)Fnu   [1/402] Fitted peak intensity; mJy/beam (phot.flux.density;em.radio.12-30GHz)
  (2)e_Fnu   [0.5/4.3] RMS uncertainty in Fnu (stat.error)
  (3)Vel km/s [7971/11602] Center of velocity range (phys.veloc;instr.bandwidth)
  (3)b_Vel km/s [7967/11588] Lower boundary of velocity range (Note 1)   (phys.veloc;instr.bandwidth;stat.min)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)B_Vel km/s [7976/11616] Upper boundary of velocity range (Note 1)   (phys.veloc;instr.bandwidth;stat.max)
  (3)SNR   [4/124] Signal-to-Noise ratio (Note 4)   (stat.snr)

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