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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=242.97157513861 -20.78979659544, eq=ICRS, rs=2
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (242.97157513861-20.78979659544)[ICRS], at Epoch=J2015.5 (pos.angDistance)
_RAJ200016 11 53.1826950511 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-20 47 23.202260377 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 08 56.9726065316 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-20 39 41.777508427 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon353.5300261330106 deg Galactic longitude at Epoch=J2015.5, proper motions taken into account (pos.galactic.lon)
_Glat+21.8223430415986 deg Galactic latitude at Epoch=J2015.5, proper motions taken into account (pos.galactic.lat)

designationGaia DR2 6243861521774085504  Unique source designation (unique across all Data Releases) (Gaia DR2 NNNNNNNNNNNNNNNNNNN) (designation) (Note 1)   (meta.id)
ra242.97157513861 deg (i) Barycentric right ascension (ICRS) at Ep=2015.5 (ra) (pos.eq.ra;meta.main)
ra_error 1.2529 mas Standard error of right ascension (e_RA*cosDE) (ra_error) (stat.error;pos.eq.ra)
dec-20.78979659544 deg (i) Barycentric declination (ICRS) at Ep=2015.5 (dec) (pos.eq.dec;meta.main)
dec_error 0.6370 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_id6243861521774085504  (i) Unique source identifier (unique within a particular Data Release) (source_id) (Note G2)   (meta.id;meta.main)
random_index 758568492  (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 1.9296 mas (i) Absolute stellar parallax (parallax) (pos.parallax)
parallax_error 1.4652 mas (i) Standard error of parallax (parallax_error) (stat.error;pos.parallax)
parallax_over_error 1.3169  (i) Parallax divided by its error (parallax_over_error) (arith.ratio)
pmra -4.218 mas/yr (i) Proper motion in right ascension direction (pmRA*cosDE) (pmra) (Note 3)   (pos.pm;pos.eq.ra)
pmra_error 2.304 mas/yr Standard error of proper motion in right ascension direction (pmra_error) (stat.error;pos.pm;pos.eq.ra)
pmdec -4.225 mas/yr (i) Proper motion in declination direction (pmdec) (Note 4)   (pos.pm;pos.eq.dec)
pmdec_error 1.727 mas/yr Standard error of proper motion in declination direction (pmdec_error) (stat.error;pos.pm;pos.eq.dec)
ra_dec_corr 0.0408  Correlation between right ascension and declination (ra_dec_corr) (stat.correlation;pos.eq.ra;pos.eq.dec)
ra_parallax_corr-0.3784   Correlation between right ascension and parallax (ra_parallax_corr) (stat.correlation;pos.eq.ra;pos.parallax)
ra_pmra_corr 0.1032   Correlation between right ascension and proper motion in right ascension (ra_pmra_corr) (stat.correlation;pos.eq.ra;pos.pm)
ra_pmdec_corr-0.3873   Correlation between right ascension and proper motion in declination (ra_pmdec_corr) (stat.correlation;pos.eq.ra;pos.pm)
dec_parallax_corr-0.3474   Correlation between declination and parallax (dec_parallax_corr) (stat.correlation;pos.eq.dec;pos.parallax)
dec_pmra_corr-0.0543   Correlation between declination and proper motion in right ascension (dec_pmra_corr) (stat.correlation;pos.eq.dec;pos.pm)
dec_pmdec_corr-0.0217   Correlation between declination and proper motion in declination (dec_pmdec_corr) (stat.correlation;pos.eq.dec;pos.pm)
parallax_pmra_corr-0.3604   Correlation between parallax and proper motion in right ascension (parallax_pmra_corr) (stat.correlation;pos.parallax;pos.pm)
parallax_pmdec_corr 0.2870   Correlation between parallax and proper motion in declination (parallax_pmdec_corr) (stat.correlation;pos.parallax;pos.pm)
pmra_pmdec_corr-0.0368   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 140  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 139  Number of good observations AL (astrometric_n_good_obs_al) (Note 8)   (meta.number)
astrometric_n_bad_obs_al 1  Number of bad observations AL (astrometric_n_bad_obs_al) (Note 9)   (meta.number)
astrometric_gof_al 1.9069  Goodness of fit statistic of model wrt along-scan observations (astrometric_gof_al) (Note 10)   (stat.fit.goodness)
astrometric_chi2_al 166.93  AL chi-square value (astrometric_chi2_al) (Note 11)   (stat.fit.chi2)
astrometric_excess_noise 2.011 mas Excess noise of the source (astrometric_excess_noise) (Note 12)   (stat.value)
astrometric_excess_noise_sig 1.13e+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 0.0275 mas-2 Mean astrometric weight of the source (astrometric_weight_al) (Note 16)   (stat.weight;stat.mean)
astrometric_pseudo_colour 1.3825 um-1 Astrometrically determined pseudocolour of the source (astrometric_pseudo_colour) (Note 17)   (em.wavenumber)
astrometric_pseudo_colour_error 0.1949 um-1 Standard error of the pseudocolour of the source (astrometric_pseudo_colour_error) (em.wavenumber;stat.error)
mean_varpi_factor_al 0.109  Mean Parallax factor AL (mean_varpi_factor_al) (arith.factor;pos.parallax)
astrometric_matched_observations 16  Matched FOV transits used in the AGIS solution (astrometric_matched_observations) (Note 18)   (meta.number)
visibility_periods_used 9  Number of visibility periods used in Astrometric solution (visibility_periods_used) (meta.number)
astrometric_sigma5d_max 2.08715e+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 18  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 149  Number of observations contributing to G photometry (phot_g_n_obs) (Note 22)   (meta.number)
phot_g_mean_flux 1.1836e+02 e-/s G-band mean flux (phot_g_mean_flux) (phot.flux;stat.mean;em.opt)
phot_g_mean_flux_error 1.1661e+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 101.500  G-band mean flux divided by its error (phot_g_mean_flux_over_error) (arith.ratio)
phot_g_mean_mag20.5054 mag (i) G-band mean magnitude (Vega) (phot_g_mean_mag) (Note 23)   (phot.mag;stat.mean;em.opt)

phot_g_mean_mag_error0.0107 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 16  Number of observations contributing to BP photometry (phot_bp_n_obs) (Note 24)   (meta.number)
phot_bp_mean_flux 6.9631e+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 1.2081e+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 5.763   Integrated BP mean flux divided by its error (phot_bp_mean_flux_over_error) (arith.ratio)
phot_bp_mean_mag20.7444 mag (i) Integrated BP mean magnitude (Vega) (phot_bp_mean_mag) (Note 26)   (phot.mag;stat.mean;em.opt.B)

phot_bp_mean_mag_error0.1884 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 15   Number of observations contributing to RP photometry (phot_rp_n_obs) (Note 27)   (meta.number)
phot_rp_mean_flux 1.7165e+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 7.6815e+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 22.345   Integrated RP mean flux divided by its error (phot_rp_mean_flux_over_error) (arith.ratio)
phot_rp_mean_mag19.1753 mag (i) Integrated RP mean magnitude (Vega) (phot_rp_mean_mag) (Note 29)   (phot.mag;stat.mean;em.opt.R)

phot_rp_mean_mag_error0.0486 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 2.039   BP/RP excess factor (phot_bp_rp_excess_factor) (stat.value)
phot_proc_mode0  Photometry processing mode (phot_proc_mode) (meta.code)
bp_rp 1.5690 mag (i) BP-RP colour (photBpMeanMag-photRMeanMag) (bp_rp) (phot.color;em.opt.B;em.opt.R)
bp_g 0.2390 mag (i) BP-G colour (photBpMeanMag-photGMeanMag) (bp_g) (phot.color;em.opt.B;em.opt)
g_rp 1.3300 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)
l353.53002905665 deg (i) Galactic longitude (l) (Note 32)   (pos.galactic.lon)
b+21.82234316259 deg (i) Galactic latitude (b) (Note 32)   (pos.galactic.lat)
ecl_lon244.85880911093 deg Ecliptic longitude (ecl_lon) (Note 33)   (pos.ecliptic.lon)
ecl_lat +0.32141917705 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_epoch2000242.97159456300 deg Barycentric right ascension (ICRS) at Ep=2000.0 (added by CDS) (ra_epoch2000) (pos.eq.ra)
ra_epoch2000_error35.7377 mas Standard error of right ascension (e_RA*cosDE) (added by CDS) (ra_epoch2000_error) (stat.error;pos.eq.ra)
dec_epoch2000-20.78977840570 deg Barycentric declination (ICRS) at Ep=2000.0 (added by CDS) (dec_epoch2000) (pos.eq.dec)
dec_epoch2000_error26.7741 mas Standard error of declination (added by CDS) (dec_epoch2000_error) (stat.error;pos.eq.dec)
  
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