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I/337
 Gaia DR1 (Gaia Collaboration, 2016) acknowledge and cite Gaia DR1
timeSerie
Post annotation
img(gal)
1.I/337/tgasTGAS: Subset of GaiaSource comprising those stars in the Hipparcos and Tycho-2 Catalogues for which a full 5-parameter astrometric solution has been possible in Gaia Data Release (TgasSource) (Download Tgas Sources as vo tables, fits or csv here) (original column names in green) (2057050 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
Standard Original
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  HIP  (n) Hipparcos identifier (hip) (meta.id.cross)
  TYC2 (char) Tycho 2 identifier (tycho2_id) (meta.id.cross)
  SolID  Solution ID (solution_id) (Note G1)   (meta.id;meta.version)
  Source  Source ID (source_id) (Note G2)   (meta.id;meta.main)
  RandomI  Random index used to select subsets (random_index) (Note G3)   (meta.code)
  Epoch yr [2015.0] Reference epoch in Julian years (ref_epoch) (Note G4)   (meta.ref;time.epoch)
  RA_ICRS deg Right ascension (ICRS) at epoch 2015.0 (ra) (pos.eq.ra;meta.main)
  e_RA_ICRS mas Standard error of right ascension (ra_error) (stat.error;pos.eq.ra)
  DE_ICRS deg Declination (ICRS) at epoch 2015.0 (dec) (pos.eq.dec;meta.main)
  e_DE_ICRS mas Standard error of declination (dec_error) (stat.error;pos.eq.dec)

ALL cols
    
(n) indicates a possible blank or NULL column  
  Plx mas Absolute barycentric stellar parallax of the source at the reference epoch Epoch (parallax) (pos.parallax)
  e_Plx mas Standard error of parallax (parallax_error) (stat.error;pos.parallax)
  pmRA mas/yr Proper motion in right ascension direction (pmRA) (Note G5)   (pos.pm;pos.eq.ra)
  e_pmRA mas/yr Standard error of proper motion in right ascension direction (pmra_error) (stat.error;pos.pm;pos.eq.ra)
  pmDE mas/yr Proper motion in declination direction (pmdec) (Note G6)   (pos.pm;pos.eq.dec)
  e_pmDE mas/yr Standard error of proper motion in declination direction (pmdec_error) (stat.error;pos.pm;pos.eq.dec)
  RADEcor  Correlation between right ascension and declination (ra_dec_corr) (stat.correlation)
  RAPlxcor  Correlation between right ascension and parallax (ra_parallax_corr) (stat.correlation)
  RApmRAcor  Correlation between right ascension and proper motion in right ascension (ra_pmra_corr) (stat.correlation)
  RApmDEcor  Correlation between right ascension and proper motion in declination (ra_pmdec_corr) (stat.correlation)
  DEPlxcor  Correlation between declination and parallax (dec_parallax_corr) (stat.correlation)
  DEpmRAcor  Correlation between declination and proper motion in right ascension (dec_pmra_corr) (stat.correlation)
  DEpmDEcor  Correlation between declination and proper motion in declination (dec_pmdec_corr) (stat.correlation)

ALL cols
    
(n) indicates a possible blank or NULL column  
  PlxpmRAcor  Correlation between parallax and proper motion in right ascension (parallax_pmra_corr) (stat.correlation)
  PlxpmDEcor  Correlation between parallax and proper motion in declination (parallax_pmdec_corr) (stat.correlation)
  pmRApmDEcor  Correlation between proper motion in right ascension and proper motion in declination (pmra_pmdec_corr) (stat.correlation)
  NAL  Total number of observations AL (astrometric_n_obs_al) (Note G7)   (meta.number)
  NAC  Total number of observations AC (astrometric_n_obs_ac) (Note G8)   (meta.number)
  NgAL  Number of good observations AL (astrometric_n_good_obs_al) (Note G9)   (meta.number)
  NgAC  Number of good observations AC (astrometric_n_good_obs_ac) (Note G9)   (meta.number)
  NbAL  Number of bad observations AL (astrometric_n_bad_obs_al) (Note G10)   (meta.number)
  NbAC  Number of bad observations AC (astrometric_n_bad_obs_ac) (Note G10)   (meta.number)
  DQ  (n) Hipparcos/Gaia data discrepancy (Hipparcos subset of TGAS only) (astrometric_delta_q) (Note G11)   (stat.value)
  epsi mas Excess noise of the source (astrometric_excess_noise) (Note G12)   (stat.value)
  sepsi  Significance of excess noise (astrometric_excess_noise_sig) (Note G13)   (stat.value)
  APF   [1] Primary or secondary (astrometric_primary_flag) (Note G14)   (meta.code)

ALL cols
    
(n) indicates a possible blank or NULL column  
  ARF  Relegation factor (astrometric_relegation_factor) (arith.factor)
  WAL mas-2 Mean astrometric weight of the source in the AL direction (astrometric_weight_al) (stat.weight;stat.mean)
  WAC mas-2 (n) Mean astrometric weight of the source in the AC direction (astrometric_weight_ac) (stat.weight;stat.mean)
  Apr   [3/5] Type of prior used in in the astrometric solution (astrometric_priors_used) (Note G15)   (meta.code)
  MatchObs  Amount of observations matched to this source (matched_observations) (Note G16)   (meta.number)
  Dup   [0/1] Source with duplicate sources (duplicated_source) (Note G17)   (meta.code)
  sK1   [0/1] Degree of concentration of scan directions across the source (scan_direction_strength_k1) (Note G18)   (meta.code)
  sK2   [0/1] Degree of concentration of scan directions across the source (scan_direction_strength_k2) (Note G18)   (meta.code)
  sK3   [0/1] Degree of concentration of scan directions across the source (scan_direction_strength_k3) (Note G18)   (meta.code)
  sK4   [0/1] Degree of concentration of scan directions across the source (scan_direction_strength_k4) (Note G18)   (meta.code)
  mK1 deg Mean position angle of scan directions across the source (scan_direction_mean_k1) (Note G19)   (meta.code)
  mK2 deg Mean position angle of scan directions across the source (scan_direction_mean_k2) (Note G19)   (meta.code)
  mK3 deg Mean position angle of scan directions across the source (scan_direction_mean_k3) (Note G19)   (meta.code)

ALL cols
    
(n) indicates a possible blank or NULL column  
  mK4 deg Mean position angle of scan directions across the source (scan_direction_mean_k4) (Note G19)   (meta.code)
  o_<Gmag>  Number of observations contributing to G photometry (phot_g_n_obs) (meta.number)
  <FG> e-/s G-band mean flux (phot_g_mean_flux) (phot.flux;stat.mean;em.opt)
  e_<FG> e-/s Error on G-band mean flux (phot_g_mean_flux_error) (stat.error)
  <Gmag> mag G-band mean magnitude (phot_g_mean_mag) (Note G20)   (phot.mag;stat.mean;em.opt)
  Var (char) Photometric variability flag (phot_variable_flag) (Note G21)   (meta.code;src.var)
  GLON deg Galactic longitude at epoch 2015.0 (l) (pos.galactic.lon)
  GLAT deg Galactic latitude at epoch 2015.0 (b) (pos.galactic.lat)
  ELON deg Ecliptic longitude at epoch 2015.0 (ecl_lon) (pos.ecliptic.lon)
  ELAT deg Ecliptic latitude at epoch 2015.0 (ecl_lat) (pos.ecliptic.lat)

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