Gaia Source ID - Star A : 778947814402602752 Simbad
Gaia Source ID - Star B : 778947608243864320 Simbad
Observation Epoch : J 2000.001 / 2000-01-02
Angular Separation : 31.190" ± 0.6959 mas
Position Angle : 126.38 ± 0.00110 degreesStar A/B Epoch : J 2016.000 / J 2016.000
Angular Separation : 31.854" ± 0.0356 mas
Position Angle : 124.73 ± 0.00006 degrees
LB of Projected Separation (AU): 156.23 AU
Spatial Separation (AU) : 315.61 ± 259.08 AU
Proper Motion Angular Difference : 0.46 ± 0.00 degrees
Total Proper Motion Difference : 60.40 ± 0.05 mas/yr
Tangential Velocity Difference : 1.38 ± 0.03 km/s
Radial Velocity Difference : 0.48 ± 0.75 km/s
Space Velocity Difference : 1.41 ± 0.41 km/s
Aladin Lite Sky Atlas
DSS color
DSS blue
2MASS
AllWISE
Gaia Source ID : 778947814402602752 Simbad
Parallax over error : 6133.739 : very good
RUWE : 0.940 : good astrometric fit (single star)
Duplicated source : false : single source
G magnitude : 7.913 : G > 3 mag, photometry reliable
Excess noise : 0.159 : poor fit, model deviation significant
Significance : 13.115 : possible double star, motion, mismatch
BP-RP excess factor : 1.363 : photometry inconsistent
Visibility periods : 17 : high, indicates well observed star
IPD multi-peak frac : 0% : single peak detected
IDP GoF harmonic amp: 0.046 : unobtrusive (single star source)
Gaia Source ID : 778947608243864320 Simbad
Parallax over error : 4073.597 : very good
RUWE : 1.030 : good astrometric fit (single star)
Duplicated source : false : single source
G magnitude : 12.257 : G > 3 mag, photometry reliable
Excess noise : 0.320 : poor fit, model deviation significant
Significance : 110.541 : possible double star, motion, mismatch
BP-RP excess factor : 1.608 : photometry inconsistent
Visibility periods : 18 : high, indicates well observed star
IPD multi-peak frac : 0% : single peak detected
IDP GoF harmonic amp: 0.009 : unobtrusive (single star source)
Spatial separation :
315.6 AU, with an uncertainty range of [ 156.2 (P), 574.7] AU
Probability for a physical pair:
Very High (Nominal) / Very High (at lower bound of uncertainty)
Separation-Based Evidence factor:
1.0 (Nominal) / Flag: normal
Relative Proper Motion Angular difference:
0.25 %
Relative Total Proper Motion difference:
1.36 %
Relative Tangential Velocity difference:
1.33 %
Relative Radial Velocity difference:
0.70 %
Relative Space Velocity difference:
1.14 %
Estimated CPM Probability:
98.79 %
CPM-Based Evidence factor:
0.976
Combined Physical Binding Evidence factor:
1.0
RUWE probability for a binary system (Star A):
Zero
RUWE probability for a binary system (Star B):
Zero
-- For epoch J[1900-2100], computed using Gaia proper motions --
Click to expand/collapse - Separation and Position Angle for J-Epoch:
Epoch Sep[″] e_Sep[″] PA[°] e_PA[°]
-------------------------------------------------
1900.0 27.722 0.005 138.362 0.009
1901.0 27.750 0.005 138.228 0.009
1902.0 27.778 0.005 138.095 0.009
1903.0 27.807 0.005 137.961 0.009
1904.0 27.835 0.005 137.829 0.009
1905.0 27.864 0.005 137.696 0.009
1906.0 27.892 0.005 137.564 0.009
1907.0 27.921 0.005 137.432 0.008
1908.0 27.950 0.005 137.300 0.008
1909.0 27.979 0.005 137.168 0.008
1910.0 28.009 0.005 137.037 0.008
1911.0 28.038 0.005 136.906 0.008
1912.0 28.068 0.005 136.775 0.008
1913.0 28.097 0.005 136.645 0.008
1914.0 28.127 0.005 136.515 0.008
1915.0 28.157 0.005 136.385 0.008
1916.0 28.188 0.005 136.255 0.008
1917.0 28.218 0.004 136.126 0.008
1918.0 28.248 0.004 135.997 0.007
1919.0 28.279 0.004 135.868 0.007
1920.0 28.310 0.004 135.740 0.007
1921.0 28.341 0.004 135.611 0.007
1922.0 28.372 0.004 135.484 0.007
1923.0 28.403 0.004 135.356 0.007
1924.0 28.434 0.004 135.229 0.007
1925.0 28.466 0.004 135.101 0.007
1926.0 28.497 0.004 134.975 0.007
1927.0 28.529 0.004 134.848 0.007
1928.0 28.561 0.004 134.722 0.007
1929.0 28.593 0.004 134.596 0.007
1930.0 28.625 0.004 134.470 0.006
1931.0 28.657 0.004 134.345 0.006
1932.0 28.690 0.004 134.220 0.006
1933.0 28.722 0.004 134.095 0.006
1934.0 28.755 0.004 133.971 0.006
1935.0 28.788 0.004 133.846 0.006
1936.0 28.821 0.004 133.722 0.006
1937.0 28.854 0.004 133.599 0.006
1938.0 28.887 0.003 133.475 0.006
1939.0 28.921 0.003 133.352 0.006
1940.0 28.954 0.003 133.229 0.006
1941.0 28.988 0.003 133.107 0.006
1942.0 29.021 0.003 132.985 0.005
1943.0 29.055 0.003 132.863 0.005
1944.0 29.089 0.003 132.741 0.005
1945.0 29.124 0.003 132.620 0.005
1946.0 29.158 0.003 132.499 0.005
1947.0 29.192 0.003 132.378 0.005
1948.0 29.227 0.003 132.257 0.005
1949.0 29.261 0.003 132.137 0.005
1950.0 29.296 0.003 132.017 0.005
1951.0 29.331 0.003 131.897 0.005
1952.0 29.366 0.003 131.778 0.005
1953.0 29.401 0.003 131.659 0.005
1954.0 29.437 0.003 131.540 0.004
1955.0 29.472 0.003 131.421 0.004
1956.0 29.508 0.003 131.303 0.004
1957.0 29.543 0.003 131.185 0.004
1958.0 29.579 0.003 131.068 0.004
1959.0 29.615 0.003 130.950 0.004
1960.0 29.651 0.002 130.833 0.004
1961.0 29.687 0.002 130.716 0.004
1962.0 29.724 0.002 130.600 0.004
1963.0 29.760 0.002 130.484 0.004
1964.0 29.797 0.002 130.368 0.004
1965.0 29.833 0.002 130.252 0.004
1966.0 29.870 0.002 130.137 0.004
1967.0 29.907 0.002 130.021 0.003
1968.0 29.944 0.002 129.907 0.003
1969.0 29.981 0.002 129.792 0.003
1970.0 30.019 0.002 129.678 0.003
1971.0 30.056 0.002 129.564 0.003
1972.0 30.093 0.002 129.450 0.003
1973.0 30.131 0.002 129.337 0.003
1974.0 30.169 0.002 129.224 0.003
1975.0 30.207 0.002 129.111 0.003
1976.0 30.245 0.002 128.998 0.003
1977.0 30.283 0.002 128.886 0.003
1978.0 30.321 0.002 128.774 0.003
1979.0 30.359 0.002 128.662 0.003
1980.0 30.398 0.002 128.551 0.003
1981.0 30.436 0.002 128.440 0.002
1982.0 30.475 0.001 128.329 0.002
1983.0 30.514 0.001 128.218 0.002
1984.0 30.553 0.001 128.108 0.002
1985.0 30.592 0.001 127.998 0.002
1986.0 30.631 0.001 127.888 0.002
1987.0 30.670 0.001 127.779 0.002
1988.0 30.709 0.001 127.670 0.002
1989.0 30.749 0.001 127.561 0.002
1990.0 30.788 0.001 127.452 0.002
1991.0 30.828 0.001 127.344 0.002
1992.0 30.868 0.001 127.236 0.002
1993.0 30.908 0.001 127.128 0.002
1994.0 30.948 0.001 127.021 0.002
1995.0 30.988 0.001 126.914 0.001
1996.0 31.028 0.001 126.807 0.001
1997.0 31.068 0.001 126.700 0.001
1998.0 31.109 0.001 126.594 0.001
1999.0 31.149 0.001 126.488 0.001
2000.0 31.190 0.001 126.382 0.001
2001.0 31.231 0.001 126.276 0.001
2002.0 31.271 0.001 126.171 0.001
2003.0 31.312 0.001 126.066 0.001
2004.0 31.353 0.001 125.961 0.001
2005.0 31.395 0.000 125.857 0.001
2006.0 31.436 0.000 125.753 0.001
2007.0 31.477 0.000 125.649 0.001
2008.0 31.519 0.000 125.545 0.001
2009.0 31.560 0.000 125.442 0.000
2010.0 31.602 0.000 125.339 0.000
2011.0 31.644 0.000 125.236 0.000
2012.0 31.686 0.000 125.133 0.000
2013.0 31.728 0.000 125.031 0.000
2014.0 31.770 0.000 124.929 0.000
2015.0 31.812 0.000 124.828 0.000
2016.0 31.854 0.000 124.726 0.000
2017.0 31.896 0.000 124.625 0.000
2018.0 31.939 0.000 124.524 0.000
2019.0 31.982 0.000 124.423 0.000
2020.0 32.024 0.000 124.323 0.000
2021.0 32.067 0.000 124.223 0.000
2022.0 32.110 0.000 124.123 0.000
2023.0 32.153 0.000 124.024 0.000
2024.0 32.196 0.000 123.924 0.001
2025.0 32.239 0.000 123.825 0.001
2026.0 32.282 0.000 123.726 0.001
2027.0 32.326 0.000 123.628 0.001
2028.0 32.369 0.001 123.530 0.001
2029.0 32.413 0.001 123.432 0.001
2030.0 32.456 0.001 123.334 0.001
2031.0 32.500 0.001 123.237 0.001
2032.0 32.544 0.001 123.139 0.001
2033.0 32.588 0.001 123.043 0.001
2034.0 32.632 0.001 122.946 0.001
2035.0 32.676 0.001 122.849 0.001
2036.0 32.720 0.001 122.753 0.001
2037.0 32.764 0.001 122.657 0.001
2038.0 32.809 0.001 122.562 0.001
2039.0 32.853 0.001 122.466 0.001
2040.0 32.898 0.001 122.371 0.002
2041.0 32.942 0.001 122.277 0.002
2042.0 32.987 0.001 122.182 0.002
2043.0 33.032 0.001 122.088 0.002
2044.0 33.077 0.001 121.994 0.002
2045.0 33.122 0.001 121.900 0.002
2046.0 33.167 0.001 121.806 0.002
2047.0 33.212 0.001 121.713 0.002
2048.0 33.257 0.001 121.620 0.002
2049.0 33.303 0.001 121.527 0.002
2050.0 33.348 0.001 121.435 0.002
2051.0 33.393 0.001 121.342 0.002
2052.0 33.439 0.002 121.250 0.002
2053.0 33.485 0.002 121.158 0.002
2054.0 33.531 0.002 121.067 0.002
2055.0 33.576 0.002 120.976 0.002
2056.0 33.622 0.002 120.885 0.002
2057.0 33.668 0.002 120.794 0.003
2058.0 33.714 0.002 120.703 0.003
2059.0 33.761 0.002 120.613 0.003
2060.0 33.807 0.002 120.523 0.003
2061.0 33.853 0.002 120.433 0.003
2062.0 33.900 0.002 120.344 0.003
2063.0 33.946 0.002 120.254 0.003
2064.0 33.993 0.002 120.165 0.003
2065.0 34.040 0.002 120.076 0.003
2066.0 34.086 0.002 119.988 0.003
2067.0 34.133 0.002 119.900 0.003
2068.0 34.180 0.002 119.811 0.003
2069.0 34.227 0.002 119.724 0.003
2070.0 34.274 0.002 119.636 0.003
2071.0 34.321 0.002 119.549 0.003
2072.0 34.369 0.002 119.462 0.003
2073.0 34.416 0.002 119.375 0.003
2074.0 34.463 0.002 119.288 0.004
2075.0 34.511 0.002 119.202 0.004
2076.0 34.558 0.003 119.115 0.004
2077.0 34.606 0.003 119.030 0.004
2078.0 34.654 0.003 118.944 0.004
2079.0 34.702 0.003 118.858 0.004
2080.0 34.749 0.003 118.773 0.004
2081.0 34.797 0.003 118.688 0.004
2082.0 34.845 0.003 118.603 0.004
2083.0 34.893 0.003 118.519 0.004
2084.0 34.942 0.003 118.435 0.004
2085.0 34.990 0.003 118.351 0.004
2086.0 35.038 0.003 118.267 0.004
2087.0 35.087 0.003 118.183 0.004
2088.0 35.135 0.003 118.100 0.004
2089.0 35.184 0.003 118.017 0.004
2090.0 35.232 0.003 117.934 0.004
2091.0 35.281 0.003 117.851 0.004
2092.0 35.330 0.003 117.769 0.004
2093.0 35.379 0.003 117.687 0.005
2094.0 35.427 0.003 117.605 0.005
2095.0 35.476 0.003 117.523 0.005
2096.0 35.525 0.003 117.441 0.005
2097.0 35.575 0.003 117.360 0.005
2098.0 35.624 0.003 117.279 0.005
2099.0 35.673 0.003 117.198 0.005
2100.0 35.722 0.004 117.117 0.005
EP-51: Failed to find valid entry in WDS catalog
Click to expand/collapse the Gaia Input Data:
Star A
solution_id = 1636148068921376768
designation = Gaia DR3 778947814402602752
source_id = 778947814402602752
random_index = 144927148.0
ref_epoch = 2016.0
ra = 166.34205974427476
ra_error = 0.024705522
dec = 43.53094856108456
dec_error = 0.024373034
parallax = 203.8875927696954
parallax_error = 0.033240344
parallax_over_error = 6133.739
pm = 4505.308
pmra = -4406.469178827325
pmra_error = 0.03108808
pmdec = 938.5266266886065
pmdec_error = 0.02773793
ra_dec_corr = 0.0039074477
ra_parallax_corr = -0.06667784
ra_pmra_corr = -0.5074528
ra_pmdec_corr = -0.09427615
dec_parallax_corr = -0.31650338
dec_pmra_corr = -0.17216659
dec_pmdec_corr = -0.4265564
parallax_pmra_corr = 0.42172894
parallax_pmdec_corr = -0.21540987
pmra_pmdec_corr = -0.067494795
astrometric_n_obs_al = 259
astrometric_n_obs_ac = 259
astrometric_n_good_obs_al = 256
astrometric_n_bad_obs_al = 3
astrometric_gof_al = -1.3408337
astrometric_chi2_al = 616.02893
astrometric_excess_noise = 0.15879498
astrometric_excess_noise_sig = 13.114635
astrometric_params_solved = 95
astrometric_primary_flag = false
pseudocolour = 1.3237488
pseudocolour_error = 0.006546496
ra_pseudocolour_corr = -0.35227868
dec_pseudocolour_corr = 0.027108248
parallax_pseudocolour_corr = 0.018823333
pmra_pseudocolour_corr = 0.19912636
pmdec_pseudocolour_corr = 0.1769815
astrometric_matched_transits = 29
visibility_periods_used = 17
astrometric_sigma5d_max = 0.046801426
matched_transits = 32
new_matched_transits = 32
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.045876957
ipd_gof_harmonic_phase = 139.5217
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.9393333
duplicated_source = false
phot_g_n_obs = 272
phot_g_mean_flux = 12878957.92567759
phot_g_mean_flux_error = 5664.4136
phot_g_mean_flux_over_error = 2273.6614
phot_g_mean_mag = 7.912665
phot_bp_n_obs = 27
phot_bp_mean_flux = 3488192.7702973373
phot_bp_mean_flux_error = 3084.2043
phot_bp_mean_flux_over_error = 1130.9863
phot_bp_mean_mag = 8.982041
phot_rp_n_obs = 25
phot_rp_mean_flux = 14060893.851236396
phot_rp_mean_flux_error = 6060.735
phot_rp_mean_flux_over_error = 2319.9983
phot_rp_mean_mag = 6.8778634
phot_bp_rp_excess_factor = 1.362617
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 0
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 0
phot_proc_mode = 0
bp_rp = 2.104178
bp_g = 1.0693765
g_rp = 1.0348015
radial_velocity = 68.41321
radial_velocity_error = 0.123676
rv_method_used = 1
rv_nb_transits = 9
rv_nb_deblended_transits = 0
rv_visibility_periods_used = 7
rv_expected_sig_to_noise = 328.29254
rv_renormalised_gof = -1.7774444
rv_chisq_pvalue = 0.86997366
rv_time_duration = 660.51733
rv_amplitude_robust = 0.36937714
rv_template_teff = 4000.0
rv_template_logg = 3.0
rv_template_fe_h = -1.5
rv_atm_param_origin = 333
vbroad = 6.9187818
vbroad_error = 1.5003642
vbroad_nb_transits = 9
grvs_mag = 6.4075294
grvs_mag_error = 0.0055841566
grvs_mag_nb_transits = 9
rvs_spec_sig_to_noise = 388.02078
phot_variable_flag = NOT_AVAILABLE
l = 168.51541734202996
b = 63.05225325061789
ecl_lon = 148.54063436606694
ecl_lat = 34.32015428631109
in_qso_candidates = false
in_galaxy_candidates = false
non_single_star = 0
has_xp_continuous = false
has_xp_sampled = false
has_rvs = false
has_epoch_photometry = false
has_epoch_rv = false
has_mcmc_gspphot = false
has_mcmc_msc = false
in_andromeda_survey = false
classprob_dsc_combmod_quasar = 1.1961469e-13
classprob_dsc_combmod_galaxy = 5.974694e-13
classprob_dsc_combmod_star = 0.9982583
teff_gspphot = 3382.1968
teff_gspphot_lower = 3381.2576
teff_gspphot_upper = 3393.4956
logg_gspphot = 4.095
logg_gspphot_lower = 4.0928
logg_gspphot_upper = 4.1232
mh_gspphot = -1.4765
mh_gspphot_lower = -1.4816
mh_gspphot_upper = -1.451
distance_gspphot = 4.9055
distance_gspphot_lower = 4.9025
distance_gspphot_upper = 4.9159
azero_gspphot = 0.0
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.0002
ag_gspphot = 0.0
ag_gspphot_lower = 0.0
ag_gspphot_upper = 0.0002
ebpminrp_gspphot = 0.0
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0001
libname_gspphot = MARCS
Star B
solution_id = 1636148068921376768
designation = Gaia DR3 778947608243864320
source_id = 778947608243864320
random_index = 587239691.0
ref_epoch = 2016.0
ra = 166.35208967877313
ra_error = 0.03400774
dec = 43.52590762036144
dec_error = 0.037251346
parallax = 203.83234385738783
parallax_error = 0.050037432
parallax_over_error = 4073.5972
pm = 4444.9106
pmra = -4339.849578444107
pmra_error = 0.044766206
pmdec = 960.6961306272715
pmdec_error = 0.04143234
ra_dec_corr = -0.017367147
ra_parallax_corr = -0.09705845
ra_pmra_corr = -0.41995612
ra_pmdec_corr = 0.006774093
dec_parallax_corr = -0.35640752
dec_pmra_corr = -0.16903284
dec_pmdec_corr = -0.4151758
parallax_pmra_corr = 0.43872002
parallax_pmdec_corr = -0.18840311
pmra_pmdec_corr = -0.1189599
astrometric_n_obs_al = 257
astrometric_n_obs_ac = 257
astrometric_n_good_obs_al = 257
astrometric_n_bad_obs_al = 0
astrometric_gof_al = 0.7756157
astrometric_chi2_al = 3216.0479
astrometric_excess_noise = 0.3197861
astrometric_excess_noise_sig = 110.54137
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.185987
astrometric_matched_transits = 29
visibility_periods_used = 18
astrometric_sigma5d_max = 0.067739755
matched_transits = 31
new_matched_transits = 17
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.009256231
ipd_gof_harmonic_phase = 108.47993
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.0334092
duplicated_source = false
phot_g_n_obs = 262
phot_g_mean_flux = 235529.71023975263
phot_g_mean_flux_error = 178.67126
phot_g_mean_flux_over_error = 1318.2294
phot_g_mean_mag = 12.257253
phot_bp_n_obs = 23
phot_bp_mean_flux = 17845.318654083694
phot_bp_mean_flux_error = 125.154366
phot_bp_mean_flux_over_error = 142.58647
phot_bp_mean_mag = 14.709731
phot_rp_n_obs = 25
phot_rp_mean_flux = 360790.44705848943
phot_rp_mean_flux_error = 500.6932
phot_rp_mean_flux_over_error = 720.58185
phot_rp_mean_mag = 10.854758
phot_bp_rp_excess_factor = 1.6075923
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 1
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 1
phot_proc_mode = 0
bp_rp = 3.8549728
bp_g = 2.4524784
g_rp = 1.4024944
radial_velocity = 67.935905
radial_velocity_error = 0.74058086
rv_method_used = 1
rv_nb_transits = 8
rv_nb_deblended_transits = 1
rv_visibility_periods_used = 7
rv_expected_sig_to_noise = 44.602886
rv_renormalised_gof = -0.7190651
rv_chisq_pvalue = 0.026950119
rv_time_duration = 660.51733
rv_amplitude_robust = 5.748131
rv_template_teff = 3300.0
rv_template_logg = 2.5
rv_template_fe_h = -1.0
rv_atm_param_origin = 111
grvs_mag = 10.175375
grvs_mag_error = 0.007368949
grvs_mag_nb_transits = 7
phot_variable_flag = NOT_AVAILABLE
l = 168.51745433515103
b = 63.061053342908586
ecl_lon = 148.55127200415725
ecl_lat = 34.319102937129436
in_qso_candidates = false
in_galaxy_candidates = false
non_single_star = 0
has_xp_continuous = false
has_xp_sampled = false
has_rvs = false
has_epoch_photometry = false
has_epoch_rv = false
has_mcmc_gspphot = false
has_mcmc_msc = false
in_andromeda_survey = false
classprob_dsc_combmod_quasar = 1.02073704e-13
classprob_dsc_combmod_galaxy = 5.09853e-13
classprob_dsc_combmod_star = 0.9999949
Full Disclaimer .
Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 4.0 .
European Space Agency (ESA) mission Gaia , processed by the Gaia Data Processing and Analysis Consortium (DPAC) . Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. Additionally, it incorporates data from the Washington Double Star Catalog, maintained at the U.S. Naval Observatory , and makes use of the Aladin Sky Atlas developed at CDS, Strasbourg Observatory, France.
Double Star Calculator:
Version 1.0 ($Rev: 1734 $)
Report created:
2025-12-29 22:23:33 +0100
www.stella-vega.de
