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I/345/gaia2 Gaia DR2 (Gaia Collaboration, 2018)
Gaia data release 2 (Gaia DR2). (Download all Gaia Sources as VOTable, FITS or CSV here. Query from the command line using find_gaia_dr2 available in cdsclient here)

(original column names in green) (1692919135 rows)

  -c=272.17114588688 -20.44238263573, eq=ICRS, rs=2
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (272.17114588688-20.44238263573)[ICRS], at Epoch=J2015.5 (pos.angDistance)
_RAJ200018 08 41.0694482120 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-20 26 32.563817622 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195018 05 42.3694847583 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-20 27 03.989961070 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon009.9718238747488 deg Galactic longitude at Epoch=J2015.5, proper motions taken into account (pos.galactic.lon)
_Glat-00.2630633675652 deg Galactic latitude at Epoch=J2015.5, proper motions taken into account (pos.galactic.lat)

designationGaia DR2 4094173417396596736  Unique source designation (unique across all Data Releases) (Gaia DR2 NNNNNNNNNNNNNNNNNNN) (designation) (Note 1)   (meta.id)
ra272.17114588688 deg (i) Barycentric right ascension (ICRS) at Ep=2015.5 (ra) (pos.eq.ra;meta.main)
ra_error 0.9646 mas Standard error of right ascension (e_RA*cosDE) (ra_error) (stat.error;pos.eq.ra)
dec-20.44238263573 deg (i) Barycentric declination (ICRS) at Ep=2015.5 (dec) (pos.eq.dec;meta.main)
dec_error 0.8823 mas Standard error of declination (dec_error) (stat.error;pos.eq.dec)
solution_id1635721458409799680  Solution Identifier (solution_id) (Note G1)   (meta.id;meta.version)
source_id4094173417396596736  (i) Unique source identifier (unique within a particular Data Release) (source_id) (Note G2)   (meta.id;meta.main)
random_index 934370994  (i) Random index used to select subsets (random_index) (Note 2)   (meta.code)
ref_epoch2015.5 yr [2015.5] Reference epoch (ref_epoch) (meta.ref;time.epoch)
parallax 0.4351 mas (i) Absolute stellar parallax (parallax) (pos.parallax)
parallax_error 0.8555 mas (i) Standard error of parallax (parallax_error) (stat.error;pos.parallax)
parallax_over_error 0.5086  (i) Parallax divided by its error (parallax_over_error) (arith.ratio)
pmra 5.046 mas/yr (i) Proper motion in right ascension direction (pmRA*cosDE) (pmra) (Note 3)   (pos.pm;pos.eq.ra)
pmra_error 2.475 mas/yr Standard error of proper motion in right ascension direction (pmra_error) (stat.error;pos.pm;pos.eq.ra)
pmdec -0.882 mas/yr (i) Proper motion in declination direction (pmdec) (Note 4)   (pos.pm;pos.eq.dec)
pmdec_error 2.344 mas/yr Standard error of proper motion in declination direction (pmdec_error) (stat.error;pos.pm;pos.eq.dec)
ra_dec_corr 0.5756  Correlation between right ascension and declination (ra_dec_corr) (stat.correlation;pos.eq.ra;pos.eq.dec)
ra_parallax_corr 0.0653   Correlation between right ascension and parallax (ra_parallax_corr) (stat.correlation;pos.eq.ra;pos.parallax)
ra_pmra_corr-0.2650   Correlation between right ascension and proper motion in right ascension (ra_pmra_corr) (stat.correlation;pos.eq.ra;pos.pm)
ra_pmdec_corr-0.2782   Correlation between right ascension and proper motion in declination (ra_pmdec_corr) (stat.correlation;pos.eq.ra;pos.pm)
dec_parallax_corr-0.1280   Correlation between declination and parallax (dec_parallax_corr) (stat.correlation;pos.eq.dec;pos.parallax)
dec_pmra_corr-0.3172   Correlation between declination and proper motion in right ascension (dec_pmra_corr) (stat.correlation;pos.eq.dec;pos.pm)
dec_pmdec_corr-0.3295   Correlation between declination and proper motion in declination (dec_pmdec_corr) (stat.correlation;pos.eq.dec;pos.pm)
parallax_pmra_corr 0.1180   Correlation between parallax and proper motion in right ascension (parallax_pmra_corr) (stat.correlation;pos.parallax;pos.pm)
parallax_pmdec_corr 0.2185   Correlation between parallax and proper motion in declination (parallax_pmdec_corr) (stat.correlation;pos.parallax;pos.pm)
pmra_pmdec_corr 0.7247   Correlation between proper motion in right ascension and proper motion in declination (pmra_pmdec_corr) (stat.correlation;pos.pm;pos.eq.ra)
astrometric_n_obs_al 116  Total number of observations AL (astrometric_n_obs_al) (Note 6)   (meta.number)
astrometric_n_obs_ac 0  Total number of observations AC (astrometric_n_obs_ac) (Note 7)   (meta.number)
astrometric_n_good_obs_al 116  Number of good observations AL (astrometric_n_good_obs_al) (Note 8)   (meta.number)
astrometric_n_bad_obs_al 0  Number of bad observations AL (astrometric_n_bad_obs_al) (Note 9)   (meta.number)
astrometric_gof_al 4.9724  Goodness of fit statistic of model wrt along-scan observations (astrometric_gof_al) (Note 10)   (stat.fit.goodness)
astrometric_chi2_al 201.80  AL chi-square value (astrometric_chi2_al) (Note 11)   (stat.fit.chi2)
astrometric_excess_noise 3.475 mas Excess noise of the source (astrometric_excess_noise) (Note 12)   (stat.value)
astrometric_excess_noise_sig 4.78e+00  Significance of excess noise (astrometric_excess_noise_sig) (Note 13)   (stat.value)
astrometric_params_solved31  Which parameters have been solved for? (astrometric_params_solved) (Note 14)   (meta.number)
astrometric_primary_flag0  Primary or secondary (astrometric_primary_flag) (Note 15)   (meta.code)
astrometric_weight_al 0.0326 mas-2 Mean astrometric weight of the source (astrometric_weight_al) (Note 16)   (stat.weight;stat.mean)
astrometric_pseudo_colour 1.5267 um-1 Astrometrically determined pseudocolour of the source (astrometric_pseudo_colour) (Note 17)   (em.wavenumber)
astrometric_pseudo_colour_error 0.2209 um-1 Standard error of the pseudocolour of the source (astrometric_pseudo_colour_error) (em.wavenumber;stat.error)
mean_varpi_factor_al 0.233  Mean Parallax factor AL (mean_varpi_factor_al) (arith.factor;pos.parallax)
astrometric_matched_observations 13  Matched FOV transits used in the AGIS solution (astrometric_matched_observations) (Note 18)   (meta.number)
visibility_periods_used 8  Number of visibility periods used in Astrometric solution (visibility_periods_used) (meta.number)
astrometric_sigma5d_max 2.81210e+00 mas The longest semi-major axis of the 5-d error ellipsoid (astrometric_sigma5d_max) (Note 19)   (pos.errorEllipse;stat.max)
frame_rotator_object_type0   [0/3] The type of the source mainly used for frame rotation (frame_rotator_object_type) (Note 20)   (meta.code)
matched_observations 13  The total number of FOV transits matched to this source (matched_observations) (meta.number)
duplicated_source0   [0/1] Source with duplicate sources (duplicated_source) (Note 21)   (meta.code.status)
phot_g_n_obs 113  Number of observations contributing to G photometry (phot_g_n_obs) (Note 22)   (meta.number)
phot_g_mean_flux 1.3714e+02 e-/s G-band mean flux (phot_g_mean_flux) (phot.flux;stat.mean;em.opt)
phot_g_mean_flux_error 1.0076e+00 e-/s Error on G-band mean flux (phot_g_mean_flux_error) (stat.error;phot.flux;stat.mean)
phot_g_mean_flux_over_error 136.101  G-band mean flux divided by its error (phot_g_mean_flux_over_error) (arith.ratio)
phot_g_mean_mag20.3454 mag (i) G-band mean magnitude (Vega) (phot_g_mean_mag) (Note 23)   (phot.mag;stat.mean;em.opt)

phot_g_mean_mag_error0.0080 mag Standard error of G-band mean magnitude (Vega) (added by CDS) (phot_g_mean_mag_error) (Note 37)   (stat.error;phot.mag;stat.mean)

phot_bp_n_obs 6  Number of observations contributing to BP photometry (phot_bp_n_obs) (Note 24)   (meta.number)
phot_bp_mean_flux 3.9992e+01 e-/s Mean flux in the integrated BP band (phot_bp_mean_flux) (phot.flux;stat.mean;em.opt.B)
phot_bp_mean_flux_error 1.3089e+01 e-/s Error on the integrated BP mean flux (phot_bp_mean_flux_error) (Note 25)   (stat.error;phot.flux;stat.mean)
phot_bp_mean_flux_over_error 3.055   Integrated BP mean flux divided by its error (phot_bp_mean_flux_over_error) (arith.ratio)
phot_bp_mean_mag21.3465 mag (i) Integrated BP mean magnitude (Vega) (phot_bp_mean_mag) (Note 26)   (phot.mag;stat.mean;em.opt.B)

phot_bp_mean_mag_error0.3553 mag Standard error of BP mean magnitude (Vega) (added by CDS) (phot_bp_mean_mag_error) (Note 37)   (stat.error;phot.mag;stat.mean)

phot_rp_n_obs 13   Number of observations contributing to RP photometry (phot_rp_n_obs) (Note 27)   (meta.number)
phot_rp_mean_flux 2.1498e+02 e-/s Mean flux in the integrated RP band (phot_rp_mean_flux) (phot.flux.density;em.opt.R)
phot_rp_mean_flux_error 9.2869e+00 e-/s Error on the integrated RP mean flux (phot_rp_mean_flux_error) (Note 28)   (stat.error;phot.flux;stat.mean)
phot_rp_mean_flux_over_error 23.149   Integrated RP mean flux divided by its error (phot_rp_mean_flux_over_error) (arith.ratio)
phot_rp_mean_mag18.9309 mag (i) Integrated RP mean magnitude (Vega) (phot_rp_mean_mag) (Note 29)   (phot.mag;stat.mean;em.opt.R)

phot_rp_mean_mag_error0.0469 mag Standard error of RP mean magnitude (Vega) (added by CDS) (phot_rp_mean_mag_error) (Note 37)   (stat.error;phot.mag;stat.mean)

phot_bp_rp_excess_factor 1.859   BP/RP excess factor (phot_bp_rp_excess_factor) (stat.value)
phot_proc_mode0  Photometry processing mode (phot_proc_mode) (meta.code)
bp_rp 2.4155 mag (i) BP-RP colour (photBpMeanMag-photRMeanMag) (bp_rp) (phot.color;em.opt.B;em.opt.R)
bp_g 1.0010 mag (i) BP-G colour (photBpMeanMag-photGMeanMag) (bp_g) (phot.color;em.opt.B;em.opt)
g_rp 1.4145 mag (i) G-RP colour (photGMeanMag-photRpMeanMag) (g_rp) (phot.color;em.opt.R;em.opt)
radial_velocity  km/s (i) Spectroscopic radial velocity in the solar barycentric reference frame (radial_velocity) (spect.dopplerVeloc.opt;pos.barycenter)
radial_velocity_error  km/s (i) Radial velocity error (radial_velocity_error) (Note 30)   (stat.error;spect.dopplerVeloc.opt;pos.barycenter)
rv_nb_transits 0  Number of transits used to compute radial velocity (rv_nb_transits) (meta.number)
rv_template_teff  K Teff of the template used to compute radial velocity (rv_template_teff) (Note 36)   (phys.temperature.effective;stat.fit.param)
rv_template_logg  [cm/s2] logg of the template used to compute radial velocity (rv_template_logg) (Note 36)   (phys.gravity;stat.fit.param)
rv_template_fe_h    Fe/H of the template used to compute radial velocity (rv_template_fe_h) (Note 36)   (phys.abund.Fe;stat.fit.param)
phot_variable_flagNOT_AVAILABLE  Photometric variability flag (phot_variable_flag) (Note 31)   (meta.code;src.var)
l 9.97182617910 deg (i) Galactic longitude (l) (Note 32)   (pos.galactic.lon)
b -0.26306368440 deg (i) Galactic latitude (b) (Note 32)   (pos.galactic.lat)
ecl_lon272.03712930560 deg Ecliptic longitude (ecl_lon) (Note 33)   (pos.ecliptic.lon)
ecl_lat +2.98154633000 deg Ecliptic latitude (ecl_lat) (Note 33)   (pos.ecliptic.lat)
priam_flags    Flags for the Apsis-Priam results (priam_flags) (Note 34)   (meta.code)
teff_val  K Stellar effective temperature (estimate from Apsis-Priam) (teff_val) (phys.temperature.effective)
teff_percentile_lower  K Uncertainty (lower) on Teff estimate from Apsis-Priam (16th percentile) (teff_percentile_lower) (phys.temperature.effective;stat.min)
teff_percentile_upper  K Uncertainty (upper) on Teff estimate from Apsis-Priam (84th percentile) (teff_percentile_upper) (phys.temperature.effective;stat.max)
a_g_val  mag Estimate of extinction in the G band from Apsis-Priam (a_g_val) (phys.absorption.gal)
a_g_percentile_lower  mag Uncertainty (lower) on AG estimate from Apsis-Priam (16th percentile) (a_g_percentile_lower) (phys.absorption.gal;stat.min)
a_g_percentile_upper  mag Uncertainty (upper) on AG estimate from Apsis-Priam (84th percentile) (a_g_percentile_upper) (phys.absorption.gal;stat.max)
e_bp_min_rp_val  mag Estimate of redenning E(BP-RP) from Apsis-Priam (e_bp_min_rp_val) (phot.color.excess)
e_bp_min_rp_percentile_lower  mag Uncertainty (lower) on E(BP-RP) estimate from Apsis-Priam (16th percentile) (e_bp_min_rp_percentile_lower) (phot.color.excess;stat.min)
e_bp_min_rp_percentile_upper  mag Uncertainty (upper) on E(BP-RP) estimate from Apsis-Priam (84th percentile) (e_bp_min_rp_percentile_upper) (phot.color.excess;stat.max)
flame_flags    Flags for the Apsis-FLAME results (flame_flags) (Note 35)   (meta.code)
radius_val  solRad Estimate of radius from Apsis-FLAME (radius_val) (phys.size.radius)
radius_percentile_lower  solRad Uncertainty (lower) on radius estimate from Apsis-FLAME (16th percentile) (radius_percentile_lower) (phys.size.radius;stat.min)
radius_percentile_upper  solRad Uncertainty (upper) on radius estimate from Apsis-FLAME (84th percentile) (radius_percentile_upper) (phys.size.radius;stat.max)
lum_val  solLum Esimate of luminosity from Apsis-FLAME (lum_val) (phys.luminosity)
lum_percentile_lower  solLum Uncertainty (lower) on luminosity estimate from Apsis-FLAME (16th percentile) (lum_percentile_lower) (phys.luminosity;stat.min)
lum_percentile_upper  solLum Uncertainty (upper) on luminosity estimate from Apsis-FLAME (84th percentile) (lum_percentile_upper) (phys.luminosity;stat.max)

ra_epoch2000272.17112270200 deg Barycentric right ascension (ICRS) at Ep=2000.0 (added by CDS) (ra_epoch2000) (pos.eq.ra)
ra_epoch2000_error38.3762 mas Standard error of right ascension (e_RA*cosDE) (added by CDS) (ra_epoch2000_error) (stat.error;pos.eq.ra)
dec_epoch2000-20.44237884030 deg Barycentric declination (ICRS) at Ep=2000.0 (added by CDS) (dec_epoch2000) (pos.eq.dec)
dec_epoch2000_error36.3390 mas Standard error of declination (added by CDS) (dec_epoch2000_error) (stat.error;pos.eq.dec)
  
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