| Column | Value | | Explain (UCD) |
| _r | 0.000 | arcsec | Distance from center (309.5066615266-27.2999019446)[ICRS], at Epoch=J2015.0 (pos.angDistance) (POS_ANG_DIST_GENERAL) |
| _RAJ2000 | 20 38 01.598766394 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA) |
| _DEJ2000 | -27 17 59.64700049 | "d:m:s" | Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC) |
| _RAB1950 | 20 35 00.964378730 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA) |
| _DEB1950 | -27 28 32.25719459 | "d:m:s" | Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC) |
| _Glon | 017.017262219232 | deg | Galactic longitude at Epoch=J2015, proper motions taken into account (pos.galactic.lon) (POS_GAL_LON) |
| _Glat | -34.321275295176 | deg | Galactic latitude at Epoch=J2015, proper motions taken into account (pos.galactic.lat) (POS_GAL_LAT) |
|
| ra | 309.5066615266 | deg | (i) Right ascension (ICRS) at epoch 2015.0 (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
| ra_error | 0.220 | mas | Standard error of right ascension (ra_error) (stat.error;pos.eq.ra) (ERROR) |
| dec | -27.2999019446 | deg | (i) Declination (ICRS) at epoch 2015.0 (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
| dec_error | 0.210 | mas | Standard error of declination (dec_error) (stat.error;pos.eq.dec) (ERROR) |
| solution_id | 1635378410781933568 | | Solution ID (solution_id) (Note G1)
(meta.id;meta.version) (ID_NUMBER) |
| source_id | 6799121074258551680 | | (i) Source ID (source_id) (Note G2)
(meta.id;meta.main) (ID_MAIN) |
| random_index | 1121864299 | | Random index used to select subsets (random_index) (Note G3)
(meta.code) (CODE_MISC) |
| ref_epoch | 2015.0 | yr | (i) [2015.0] Reference epoch in Julian years (ref_epoch) (Note G4)
(meta.ref;time.epoch) (TIME_EPOCH) |
| parallax | | mas | (i) Absolute barycentric stellar parallax of the source at the reference epoch Epoch (parallax) (pos.parallax) (POS_PARLX_TRIG) |
| parallax_error | | mas | Standard error of parallax (parallax_error) (stat.error;pos.parallax) (ERROR) |
| pmRA | | mas/yr | Proper motion in right ascension direction (pmRA) (Note G5)
(pos.pm;pos.eq.ra) (POS_EQ_PMRA) |
| pmra_error | | mas/yr | Standard error of proper motion in right ascension direction (pmra_error) (stat.error;pos.pm;pos.eq.ra) (ERROR) |
| pmdec | | mas/yr | Proper motion in declination direction (pmdec) (Note G6)
(pos.pm;pos.eq.dec) (POS_EQ_PMDEC) |
| pmdec_error | | mas/yr | Standard error of proper motion in declination direction (pmdec_error) (stat.error;pos.pm;pos.eq.dec) (ERROR) |
| ra_dec_corr | 0.747 | | Correlation between right ascension and declination (ra_dec_corr) (stat.correlation) (STAT_CORRELATION) |
| ra_parallax_corr | | | Correlation between right ascension and parallax (ra_parallax_corr) (stat.correlation) (STAT_CORRELATION) |
| ra_pmra_corr | | | Correlation between right ascension and proper motion in right ascension (ra_pmra_corr) (stat.correlation) (STAT_CORRELATION) |
| ra_pmdec_corr | | | Correlation between right ascension and proper motion in declination (ra_pmdec_corr) (stat.correlation) (STAT_CORRELATION) |
| dec_parallax_corr | | | Correlation between declination and parallax (dec_parallax_corr) (stat.correlation) (STAT_CORRELATION) |
| dec_pmra_corr | | | Correlation between declination and proper motion in right ascension (dec_pmra_corr) (stat.correlation) (STAT_CORRELATION) |
| dec_pmdec_corr | | | Correlation between declination and proper motion in declination (dec_pmdec_corr) (stat.correlation) (STAT_CORRELATION) |
| parallax_pmra_corr | | | Correlation between parallax and proper motion in right ascension (parallax_pmra_corr) (stat.correlation) (STAT_CORRELATION) |
| parallax_pmdec_corr | | | Correlation between parallax and proper motion in declination (parallax_pmdec_corr) (stat.correlation) (STAT_CORRELATION) |
| pmra_pmdec_corr | | | Correlation between proper motion in right ascension and proper motion in declination (pmra_pmdec_corr) (stat.correlation) (STAT_CORRELATION) |
| astrometric_n_obs_al | 140 | | Total number of observations AL (astrometric_n_obs_al) (Note G7)
(meta.number) (NUMBER) |
| astrometric_n_obs_ac | 0 | | Total number of observations AC (astrometric_n_obs_ac) (Note G8)
(meta.number) (NUMBER) |
| astrometric_n_good_obs_al | 140 | | Number of good observations AL (astrometric_n_good_obs_al) (Note G9)
(meta.number) (NUMBER) |
| astrometric_n_good_obs_ac | 0 | | Number of good observations AC (astrometric_n_good_obs_ac) (Note G9)
(meta.number) (NUMBER) |
| astrometric_n_bad_obs_al | 0 | | Number of bad observations AL (astrometric_n_bad_obs_al) (Note G10)
(meta.number) (NUMBER) |
| astrometric_n_bad_obs_ac | 0 | | Number of bad observations AC (astrometric_n_bad_obs_ac) (Note G10)
(meta.number) (NUMBER) |
| astrometric_delta_q | | | Hipparcos/Gaia data discrepancy (Hipparcos subset of TGAS only) (astrometric_delta_q) (Note G11)
(stat.value) (STAT_PARAM) |
| astrometric_excess_noise | 0.68 | mas | Excess noise of the source (astrometric_excess_noise) (Note G12)
(stat.value) (STAT_PARAM) |
| astrometric_excess_noise_sig | 1.17e+01 | | [] Significance of excess noise (astrometric_excess_noise_sig) (G13) (Note G13)
(stat.value) (STAT_PARAM) |
| astrometric_primary_flag | 0 | | [0/1] Primary or secondary (astrometric_primary_flag) (Note G14)
(meta.code) (CODE_MISC) |
| astrometric_relegation_factor | 1.69 | | Relegation factor (astrometric_relegation_factor) (arith.factor) (STAT_PARAM) |
| astrometric_weight_al | 1.252 | mas-2 | Mean astrometric weight of the source in the AL direction (astrometric_weight_al) (stat.weight;stat.mean) (WEIGHT) |
| astrometric_weight_ac | | mas-2 | Mean astrometric weight of the source in the AC direction (astrometric_weight_ac) (stat.weight;stat.mean) (WEIGHT) |
| astrometric_priors_used | 2 | | [0/6] Type of prior used in in the astrometric solution (astrometric_priors_used) (Note G15)
(meta.code) (CODE_MISC) |
| matched_observations | 23 | | Amount of observations matched to this source (matched_observations) (Note G16)
(meta.number) (NUMBER) |
| duplicated_source | 0 | | [0/1] Source with duplicate sources (duplicated_source) (Note G17)
(meta.code) (CODE_MISC) |
| scan_direction_strength_k1 | 0.039 | | [0/1] Degree of concentration of scan directions across the source (scan_direction_strength_k1) (Note G18)
(meta.code) (CODE_MISC) |
| scan_direction_strength_k2 | 0.787 | | [0/1] Degree of concentration of scan directions across the source (scan_direction_strength_k2) (Note G18)
(meta.code) (CODE_MISC) |
| scan_direction_strength_k3 | 0.226 | | [0/1] Degree of concentration of scan directions across the source (scan_direction_strength_k3) (Note G18)
(meta.code) (CODE_MISC) |
| scan_direction_strength_k4 | 0.528 | | [0/1] Degree of concentration of scan directions across the source (scan_direction_strength_k4) (Note G18)
(meta.code) (CODE_MISC) |
| scan_direction_mean_k1 | -146.22372000 | deg | Mean position angle of scan directions across the source (scan_direction_mean_k1) (Note G19)
(meta.code) (CODE_MISC) |
| scan_direction_mean_k2 | -37.68609600 | deg | Mean position angle of scan directions across the source (scan_direction_mean_k2) (Note G19)
(meta.code) (CODE_MISC) |
| scan_direction_mean_k3 | 48.77181600 | deg | Mean position angle of scan directions across the source (scan_direction_mean_k3) (Note G19)
(meta.code) (CODE_MISC) |
| scan_direction_mean_k4 | -41.52471500 | deg | Mean position angle of scan directions across the source (scan_direction_mean_k4) (Note G19)
(meta.code) (CODE_MISC) |
| phot_g_n_obs | 188 | | Number of observations contributing to G photometry (phot_g_n_obs) (meta.number) (NUMBER) |
| phot_g_mean_flux | 3.7747e+03 | e-/s | (i) G-band mean flux (phot_g_mean_flux) (phot.flux;stat.mean;em.opt) (PHOT_FLUX_R) |
| phot_g_mean_flux_error | 9.0794e+00 | e-/s | (i) Error on G-band mean flux (phot_g_mean_flux_error) (stat.error) (ERROR) |
| phot_g_mean_mag | 16.583 | mag | (i) G-band mean magnitude (phot_g_mean_mag) (Note G20)
(phot.mag;stat.mean;em.opt) (PHOT_MAG_R) |
| phot_variable_flag | NOT_AVAILABLE | | Photometric variability flag (phot_variable_flag) (Note G21)
(meta.code;src.var) (CODE_VARIAB) |
| l | 17.0172635394 | deg | (i) Galactic longitude at epoch 2015.0 (l) (pos.galactic.lon) (POS_GAL_LON) |
| b | -34.3212757930 | deg | (i) Galactic latitude at epoch 2015.0 (b) (pos.galactic.lat) (POS_GAL_LAT) |
| ecl_lon | 304.8627314531 | deg | Ecliptic longitude at epoch 2015.0 (ecl_lon) (pos.ecliptic.lon) (POS_EC_LON) |
| ecl_lat | -8.5156788756 | deg | Ecliptic latitude at epoch 2015.0 (ecl_lat) (pos.ecliptic.lat) (POS_EC_LAT) |
