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I/337/tgas Gaia DR1 (Gaia Collaboration, 2016)
TGAS: 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)
  Source=5264824340829965824
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200006 14 05.309113477 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-74 16 13.13594494 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195006 15 28.353180980 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-74 15 10.88331266 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon285.199812495332 deg Galactic longitude at Epoch=J2015, proper motions taken into account (pos.galactic.lon)
_Glat-28.558425843443 deg Galactic latitude at Epoch=J2015, proper motions taken into account (pos.galactic.lat)
0recno9999999999  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP    Hipparcos identifier (hip) (meta.id.cross)
TYC29176-405-1  Tycho 2 identifier (tycho2_id) (meta.id.cross)
SolID1635378410781933568  Solution ID (solution_id) (Note G1)   (meta.id;meta.version)
Source5264824340829965824  (i) Source ID (source_id) (Note G2)   (meta.id;meta.main)
RandomI1635603  Random index used to select subsets (random_index) (Note G3)   (meta.code)
Epoch2015.0 yr [2015.0] Reference epoch in Julian years (ref_epoch) (Note G4)   (meta.ref;time.epoch)
RA_ICRS093.5219898352 deg (i) Right ascension (ICRS) at epoch 2015.0 (ra) (pos.eq.ra;meta.main)
e_RA_ICRS 0.148 mas (i) Standard error of right ascension (ra_error) (stat.error;pos.eq.ra)
DE_ICRS-74.2701241778 deg (i) Declination (ICRS) at epoch 2015.0 (dec) (pos.eq.dec;meta.main)
e_DE_ICRS 0.253 mas (i) Standard error of declination (dec_error) (stat.error;pos.eq.dec)
Plx 1.07 mas (i) Absolute barycentric stellar parallax of the source at the reference epoch Epoch (parallax) (pos.parallax)
e_Plx 0.30 mas (i) Standard error of parallax (parallax_error) (stat.error;pos.parallax)
pmRA -8.554 mas/yr (i) Proper motion in right ascension direction (pmRA) (Note G5)   (pos.pm;pos.eq.ra)
e_pmRA 0.970 mas/yr (i) Standard error of proper motion in right ascension direction (pmra_error) (stat.error;pos.pm;pos.eq.ra)
pmDE 45.927 mas/yr (i) Proper motion in declination direction (pmdec) (Note G6)   (pos.pm;pos.eq.dec)
e_pmDE 0.776 mas/yr (i) Standard error of proper motion in declination direction (pmdec_error) (stat.error;pos.pm;pos.eq.dec)
RADEcor-0.353  Correlation between right ascension and declination (ra_dec_corr) (stat.correlation)
RAPlxcor-0.371  Correlation between right ascension and parallax (ra_parallax_corr) (stat.correlation)
RApmRAcor-0.606  Correlation between right ascension and proper motion in right ascension (ra_pmra_corr) (stat.correlation)
RApmDEcor 0.315  Correlation between right ascension and proper motion in declination (ra_pmdec_corr) (stat.correlation)
DEPlxcor 0.846  Correlation between declination and parallax (dec_parallax_corr) (stat.correlation)
DEpmRAcor 0.747  Correlation between declination and proper motion in right ascension (dec_pmra_corr) (stat.correlation)
DEpmDEcor-0.838  Correlation between declination and proper motion in declination (dec_pmdec_corr) (stat.correlation)
PlxpmRAcor 0.865  Correlation between parallax and proper motion in right ascension (parallax_pmra_corr) (stat.correlation)
PlxpmDEcor-0.749  Correlation between parallax and proper motion in declination (parallax_pmdec_corr) (stat.correlation)
pmRApmDEcor-0.586  Correlation between proper motion in right ascension and proper motion in declination (pmra_pmdec_corr) (stat.correlation)
NAL 70  Total number of observations AL (astrometric_n_obs_al) (Note G7)   (meta.number)
NAC 70  Total number of observations AC (astrometric_n_obs_ac) (Note G8)   (meta.number)
NgAL 69  Number of good observations AL (astrometric_n_good_obs_al) (Note G9)   (meta.number)
NgAC 70  Number of good observations AC (astrometric_n_good_obs_ac) (Note G9)   (meta.number)
NbAL 1  Number of bad observations AL (astrometric_n_bad_obs_al) (Note G10)   (meta.number)
NbAC 0  Number of bad observations AC (astrometric_n_bad_obs_ac) (Note G10)   (meta.number)
DQ    Hipparcos/Gaia data discrepancy (Hipparcos subset of TGAS only) (astrometric_delta_q) (Note G11)   (stat.value)
epsi 0.31 mas Excess noise of the source (astrometric_excess_noise) (Note G12)   (stat.value)
sepsi 8.3e+01  Significance of excess noise (astrometric_excess_noise_sig) (Note G13)   (stat.value)
APF1   [1] Primary or secondary (astrometric_primary_flag) (Note G14)   (meta.code)
ARF 3.14  Relegation factor (astrometric_relegation_factor) (arith.factor)
WAL 9.405 mas-2 Mean astrometric weight of the source in the AL direction (astrometric_weight_al) (stat.weight;stat.mean)
WAC 1.86e-05 mas-2 Mean astrometric weight of the source in the AC direction (astrometric_weight_ac) (stat.weight;stat.mean)
Apr5   [3/5] Type of prior used in in the astrometric solution (astrometric_priors_used) (Note G15)   (meta.code)
MatchObs 12  Amount of observations matched to this source (matched_observations) (Note G16)   (meta.number)
Dup0   [0/1] Source with duplicate sources (duplicated_source) (Note G17)   (meta.code)
sK1 0.099   [0/1] Degree of concentration of scan directions across the source (scan_direction_strength_k1) (Note G18)   (meta.code)
sK2 0.127   [0/1] Degree of concentration of scan directions across the source (scan_direction_strength_k2) (Note G18)   (meta.code)
sK3 0.280   [0/1] Degree of concentration of scan directions across the source (scan_direction_strength_k3) (Note G18)   (meta.code)
sK4 0.165   [0/1] Degree of concentration of scan directions across the source (scan_direction_strength_k4) (Note G18)   (meta.code)
mK1 20.03500600 deg Mean position angle of scan directions across the source (scan_direction_mean_k1) (Note G19)   (meta.code)
mK2-54.40870000 deg Mean position angle of scan directions across the source (scan_direction_mean_k2) (Note G19)   (meta.code)
mK3-35.15215000 deg Mean position angle of scan directions across the source (scan_direction_mean_k3) (Note G19)   (meta.code)
mK4-10.18654250 deg Mean position angle of scan directions across the source (scan_direction_mean_k4) (Note G19)   (meta.code)
o_<Gmag> 94  Number of observations contributing to G photometry (phot_g_n_obs) (meta.number)
<FG> 1673834.92080 e-/s (i) G-band mean flux (phot_g_mean_flux) (phot.flux;stat.mean;em.opt)
e_<FG> 679.52501 e-/s (i) Error on G-band mean flux (phot_g_mean_flux_error) (stat.error)
<Gmag> 9.965 mag (i) G-band mean magnitude (phot_g_mean_mag) (Note G20)   (phot.mag;stat.mean;em.opt)
VarNOT_AVAILABLE  Photometric variability flag (phot_variable_flag) (Note G21)   (meta.code;src.var)
GLON285.1998145619 deg (i) Galactic longitude at epoch 2015.0 (l) (pos.galactic.lon)
GLAT-28.5584243783 deg (i) Galactic latitude at epoch 2015.0 (b) (pos.galactic.lat)
ELON262.9474936217 deg Ecliptic longitude at epoch 2015.0 (ecl_lon) (pos.ecliptic.lon)
ELAT-82.2040859271 deg Ecliptic latitude at epoch 2015.0 (ecl_lat) (pos.ecliptic.lat)

_RA.icrs093.5221213062 deg (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-74.2703155403 deg (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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