{
  "all_fluxdata": {
    "description": "All fluxes referenced for this object.",
    "tap_table": "flux",
    "type": "alias table"
  },
  "bibcodelist": {
    "description": "List of references for an object",
    "tap_table": "biblio",
    "type": "alias table"
  },
  "cel": {
    "description": "Celescope catalog of ultra-violet photometry",
    "type": "historical measurement"
  },
  "cl.g": {
    "description": "Cluster of Galaxies: Abell & Corwin,Astrophys. J. Suppl.,70,1 (1989)",
    "type": "historical measurement"
  },
  "coo_err_maja": {
    "description": "major axis of the error ellipse",
    "tap_column": "coo_err_maj",
    "type": "alias"
  },
  "coo_err_mina": {
    "description": "minor axis of the error ellipse",
    "tap_column": "coo_err_min",
    "type": "alias"
  },
  "coordinates": {
    "description": "all fields related with coordinates",
    "tap_startswith": "coo_",
    "tap_column": ["ra", "dec", "ra_prec", "dec_prec"],
    "type": "bundle"
  },
  "dec(d)": {
    "tap_column": "dec",
    "type": "alias"
  },
  "dec_prec": {
    "description": "precision code for the coordinates (ra and dec are no longer distinct)",
    "tap_column": "coo_qual",
    "type": "alias"
  },
  "diameter": {
    "descriptions": "all measurements of diameter",
    "tap_table": "mesdiameter",
    "type": "alias table"
  },
  "dim": {
    "description": "major and minor axis, angle and inclination",
    "tap_startswith": "galdim_",
    "type": "bundle"
  },
  "dim_angle": {
    "description": "angle of the object",
    "tap_column": "galdim_angle",
    "type": "alias"
  },
  "dim_bibcode": {
    "description": "Bibliographical reference",
    "tap_column": "galdim_bibcode",
    "type": "alias"
  },
  "dim_incl": {
    "description": "inclination (unit of 15d: value from 0 to 6)",
    "type": "alias",
    "tap_column": "galdim_angle"
  },
  "dim_majaxis": {
    "description": "Major axis",
    "tap_column": "galdim_majaxis",
    "type": "alias"
  },
  "dim_minaxis": {
    "description": "Minor axis",
    "tap_column": "galdim_min_axis",
    "type": "alias"
  },
  "dim_qual": {
    "description": "quality (A: best, .., E: worst)",
    "tap_column": "galdim_qual",
    "type": "alias"
  },
  "dim_wavelength": {
    "description": "wavelength type in which these dimensions were measured (Radio, IR, Visible, UV, X, Gamma)",
    "tap_column": "galdim_wavelength",
    "type": "alias"
  },
  "dimensions": {
    "description": "all fields related to object dimensions",
    "tap_startswith": "galdim_",
    "type": "bundle"
  },
  "distance": {
    "description": "Measure of distances by several means",
    "tap_table": "mesdistance",
    "type": "alias table"
  },
  "einstein": {
    "description": "The Einstein Observatory Soft X-ray Source List",
    "type": "historical measurement"
  },
  "fe_h": {
    "description": "Stellar parameters (Teff, log(g) and [Fe/H]) taken from the literature.",
    "type": "alias table",
    "tap_table": "mesfe_h"
  },
  "flux": {
    "description": "value of the flux for the given filter",
    "type": "alias table",
    "tap_table": "flux"
  },
  "gcrv": {
    "description": "General Catalogue of Radial Velocities",
    "type": "historical measurement"
  },
  "gen": {
    "description": "Geneva Photometric System Catalogue",
    "type": "historical measurement"
  },
  "gj": {
    "description": "Gliese Jahreiss Nearby Stars (Catalog of stars within 20 parsecs of the Sun)",
    "type": "historical measurement"
  },
  "hbet": {
    "description": "The Hbeta photometric system (Crawford and Mander,1966,Astron. J. 7,114)",
    "type": "historical measurement"
  },
  "hbet1": {
    "description": "The Hbeta photometric system (Crawford and Mander,1966,Astron. J. 7,114)",
    "type": "historical measurement"
  },
  "hgam": {
    "description": "Catalogue of equivalent width of Hgamma line from Petrie et al. (1973PDAO...14..151P)",
    "type": "historical measurement"
  },
  "id(1)": {
    "description": "1 : display the first (main identifier) of the object. Is the same as main_id.",
    "type": "alias",
    "tap_column": "main_id"
  },
  "id(cat)": {
    "description": "Creates as much columns as cat entries with the identifier in this nomenclature if it exists. Example: 'id(Gaia|NGC)'. This is case-sensitive.",
    "type": "criteria"
  },
  "iras": {
    "description": "InfraRed Astronomical Satellite Measurements extracted from the IRAS Point Source Catalog, 2nd Edition",
    "type": "historical measurement"
  },
  "irc": {
    "description": "Infra-red measurements by Neugebauer and Leighton, Caltech, NASA, 1969",
    "type": "historical measurement"
  },
  "iso": {
    "description": "Infrared Space Observatory (ISO) log",
    "type": "alias table",
    "tap_table": "mesiso"
  },
  "iue": {
    "description": "International Ultraviolet Explorer",
    "type": "alias table",
    "tap_table": "mesiue"
  },
  "jp11": {
    "description": "UBVRIJKLMNH Johnson s photometry",
    "type": "alias table",
    "tap_table": "flux"
  },
  "maintype": {
    "type": "alias",
    "tap_column": "otype"
  },
  "mk": {
    "description": "MK classifications in the Morgan-Keenan system and the Michigan Catalogues of Two-Dimensional Spectral Types for the HD stars (Houk N.,1975,and seq.)",
    "type": "alias table",
    "tap_table": "messpt"
  },
  "modifdate": {
    "description": "date of last modification",
    "type": "alias",
    "tap_column": "date_modif"
  },
  "morphtype": {
    "description": "all fields related to the morphological type",
    "type": "bundle",
    "tap_startswith": "morph_"
  },
  "mt": {
    "description": "morphological type value",
    "tap_column": "morph_type",
    "type": "alias"
  },
  "mt_bibcode": {
    "description": "Bibliographical reference",
    "tap_column": "morph_bibcode",
    "type": "alias"
  },
  "mt_qual": {
    "description": "morphological type quality (A: best, .., E: worst)",
    "tap_column": "morph_type",
    "type": "alias"
  },
  "otype(v)": {
    "tap_table": "otypedef",
    "type": "alias table"
  },
  "otype(n)": {
    "tap_table": "otypedef",
    "type": "alias table"
  },
  "otype(3)": {
    "tap_column": "otype",
    "type": "alias"
  },
  "otype(s)": {
    "tap_column": "otype",
    "type": "alias"
  },
  "parallax": {
    "description": "all fields related to parallaxes",
    "tap_startswith": "plx_",
    "type": "bundle"
  },
  "plx": {
    "description": "parallax value",
    "tap_column": "plx_value",
    "type": "alias"
  },
  "plx_error": {
    "description": "parallax error",
    "tap_column": "plx_err",
    "type": "alias"
  },
  "pm_err_maja": {
    "description": "major axis of the error ellipse",
    "tap_column": "pm_err_maj",
    "type": "alias"
  },
  "pm_err_mina": {
    "description": "minor axis of the error ellipse",
    "tap_column": "pm_err_min",
    "type": "alias"
  },
  "propermotions": {
    "description": "all fields related with the proper motions",
    "tap_startswith": "pm",
    "type": "bundle"
  },
  "ra(d)": {
    "tap_column": "ra",
    "type": "alias"
  },
  "radvel": {
    "description": "Radial velocity",
    "tap_column": "rvz_radvel",
    "type": "alias"
  },
  "ra_prec": {
    "description": "precision code for the coordinates (ra and dec are no longer distinct)",
    "tap_column": "coo_qual",
    "type": "alias"
  },
  "redshift": {
    "type": "alias",
    "tap_column": "rvz_redshift"
  },
  "rot": {
    "description": "Stellar Rotational Velocities",
    "type": "alias table",
    "tap_table": "mesrot"
  },
  "rv_value": {
    "description": "Radial velocity value. Eventually translated from a redshift",
    "type": "alias",
    "tap_column": "rvz_value"
  },
  "rvz_error": {
    "description": "Error. In the same unit as rvz_radvel",
    "type": "alias",
    "tap_column": "rvz_err"
  },
  "rvz_radvel": {
    "description": "stored value. Either a radial velocity, or a redshift,\ndepending on the rvz_type field",
    "type": "alias",
    "tap_column": "rvz_value"
  },
  "sao": {
    "description": "SAO catalogue (Star catalog of 258997 stars for the epoch and equinox 1950.0,1966)",
    "type": "historical measurement"
  },
  "sp": {
    "description": "all fields related with the spectral type",
    "type": "bundle",
    "tap_startswith": "sp_"
  },
  "sptype": {
    "description": "spectral type value",
    "type": "alias",
    "tap_column": "sp_type"
  },
  "td1": {
    "description": "UV fluxes from TD1 satellite,by Thompson et al.",
    "type": "historical measurement"
  },
  "v*": {
    "description": "variable stars parameters extracted mainly from the General Catalog of Variable Stars by Kukarkin et al. USSR Academy of Sciences (3rd edition in 1969,and continuations)",
    "type": "alias table",
    "tap_table": "mesvar"
  },
  "velocity": {
    "description": "all fields related with radial velocity and redshift",
    "type": "bundle",
    "tap_startswith": "rvz_"
  },
  "xmm": {
    "description": "XMM log",
    "type": "alias table",
    "tap_table": "mesxmm"
  },
  "z_value": {
    "description": "Redshift value. Eventually translated from a radial velocity",
    "type": "alias",
    "tap_column": "rvz_redshift"
  }
}