Gaia Source ID - Star A : 3871897284879625088 Simbad
Gaia Source ID - Star B : 3871897216159942016 Simbad
Observation Epoch : J 2025.255 / 2025-04-04
Angular Separation : 3.844" ± 0.3145 mas
Position Angle : 100.63 ± 0.00350 degreesStar A/B Epoch : J 2016.000 / J 2016.000
Angular Separation : 3.831" ± 0.0294 mas
Position Angle : 100.89 ± 0.00033 degrees
LB of Projected Separation (AU): 581.40 AU
Spatial Separation (ly) : 2.46 ± 2.30 ly
Spatial Separation (AU) : 155690.37 ± 145190.94 AU
Proper Motion Angular Difference : 0.45 ± 0.13 degrees
Total Proper Motion Difference : 2.30 ± 0.03 mas/yr
Tangential Velocity Difference : 1.42 ± 0.23 km/s
Radial Velocity Difference : 0.27 ± 0.47 km/s
Space Velocity Difference : 1.43 ± 0.23 km/s
Aladin Lite Sky Atlas
DSS color
DSS blue
2MASS
AllWISE
Gaia Source ID : 3871897284879625088 Simbad
Parallax over error : 291.236 : very good
RUWE : 0.870 : good astrometric fit (single star)
Duplicated source : false : single source
G magnitude : 10.339 : G > 3 mag, photometry reliable
Excess noise : 0.102 : poor fit, model deviation significant
Significance : 8.868 : possible double star, motion, mismatch
BP-RP excess factor : 1.200 : photometry consistent
Visibility periods : 13 : high, indicates well observed star
IPD multi-peak frac : 0% : single peak detected
IDP GoF harmonic amp: 1.112 : likely non-point source (double star)
Gaia Source ID : 3871897216159942016 Simbad
Parallax over error : 322.302 : very good
RUWE : 1.120 : good astrometric fit (single star)
Duplicated source : false : single source
G magnitude : 10.712 : G > 3 mag, photometry reliable
Excess noise : 0.087 : poor fit, model deviation significant
Significance : 7.512 : possible double star, motion, mismatch
BP-RP excess factor : 1.209 : photometry consistent
Visibility periods : 13 : high, indicates well observed star
IPD multi-peak frac : 0% : single peak detected
IDP GoF harmonic amp: 0.079 : slight indication of structure
Spatial separation :
155690.4 AU, with an uncertainty range of [ 10499.4, 300881.3] AU
Probability for a physical pair:
Close to or zero (Nominal) / Very Low (at lower bound of uncertainty)
Separation-Based Evidence factor:
0.026 (Nominal) / Flag: normal
Relative Proper Motion Angular difference:
0.25 %
Relative Total Proper Motion difference:
3.41 %
Relative Tangential Velocity difference:
2.90 %
Relative Radial Velocity difference:
-5.89 %
Relative Space Velocity difference:
2.93 %
Estimated CPM Probability:
94.47 %
CPM-Based Evidence factor:
0.893
Combined Physical Binding Evidence factor:
0.026
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 3.671 0.004 104.288 0.046
1901.0 3.672 0.004 104.257 0.046
1902.0 3.673 0.004 104.227 0.045
1903.0 3.675 0.004 104.196 0.045
1904.0 3.676 0.004 104.166 0.044
1905.0 3.677 0.004 104.135 0.044
1906.0 3.679 0.004 104.105 0.044
1907.0 3.680 0.004 104.074 0.043
1908.0 3.681 0.004 104.044 0.043
1909.0 3.683 0.004 104.013 0.042
1910.0 3.684 0.004 103.983 0.042
1911.0 3.685 0.004 103.953 0.041
1912.0 3.687 0.003 103.922 0.041
1913.0 3.688 0.003 103.892 0.041
1914.0 3.689 0.003 103.862 0.040
1915.0 3.691 0.003 103.831 0.040
1916.0 3.692 0.003 103.801 0.039
1917.0 3.693 0.003 103.771 0.039
1918.0 3.695 0.003 103.741 0.039
1919.0 3.696 0.003 103.711 0.038
1920.0 3.697 0.003 103.680 0.038
1921.0 3.699 0.003 103.650 0.037
1922.0 3.700 0.003 103.620 0.037
1923.0 3.701 0.003 103.590 0.037
1924.0 3.703 0.003 103.560 0.036
1925.0 3.704 0.003 103.530 0.036
1926.0 3.705 0.003 103.500 0.035
1927.0 3.707 0.003 103.470 0.035
1928.0 3.708 0.003 103.440 0.034
1929.0 3.709 0.003 103.410 0.034
1930.0 3.711 0.003 103.380 0.034
1931.0 3.712 0.003 103.350 0.033
1932.0 3.713 0.003 103.320 0.033
1933.0 3.715 0.003 103.290 0.032
1934.0 3.716 0.003 103.261 0.032
1935.0 3.718 0.003 103.231 0.032
1936.0 3.719 0.003 103.201 0.031
1937.0 3.720 0.003 103.171 0.031
1938.0 3.722 0.003 103.141 0.030
1939.0 3.723 0.003 103.112 0.030
1940.0 3.724 0.003 103.082 0.030
1941.0 3.726 0.003 103.052 0.029
1942.0 3.727 0.002 103.022 0.029
1943.0 3.728 0.002 102.993 0.028
1944.0 3.730 0.002 102.963 0.028
1945.0 3.731 0.002 102.934 0.028
1946.0 3.733 0.002 102.904 0.027
1947.0 3.734 0.002 102.874 0.027
1948.0 3.735 0.002 102.845 0.026
1949.0 3.737 0.002 102.815 0.026
1950.0 3.738 0.002 102.786 0.026
1951.0 3.739 0.002 102.756 0.025
1952.0 3.741 0.002 102.727 0.025
1953.0 3.742 0.002 102.697 0.024
1954.0 3.744 0.002 102.668 0.024
1955.0 3.745 0.002 102.639 0.024
1956.0 3.746 0.002 102.609 0.023
1957.0 3.748 0.002 102.580 0.023
1958.0 3.749 0.002 102.551 0.022
1959.0 3.750 0.002 102.521 0.022
1960.0 3.752 0.002 102.492 0.022
1961.0 3.753 0.002 102.463 0.021
1962.0 3.755 0.002 102.434 0.021
1963.0 3.756 0.002 102.404 0.020
1964.0 3.757 0.002 102.375 0.020
1965.0 3.759 0.002 102.346 0.020
1966.0 3.760 0.002 102.317 0.019
1967.0 3.762 0.002 102.288 0.019
1968.0 3.763 0.002 102.259 0.018
1969.0 3.764 0.002 102.229 0.018
1970.0 3.766 0.002 102.200 0.018
1971.0 3.767 0.002 102.171 0.017
1972.0 3.769 0.001 102.142 0.017
1973.0 3.770 0.001 102.113 0.017
1974.0 3.771 0.001 102.084 0.016
1975.0 3.773 0.001 102.055 0.016
1976.0 3.774 0.001 102.026 0.015
1977.0 3.776 0.001 101.997 0.015
1978.0 3.777 0.001 101.969 0.015
1979.0 3.778 0.001 101.940 0.014
1980.0 3.780 0.001 101.911 0.014
1981.0 3.781 0.001 101.882 0.013
1982.0 3.783 0.001 101.853 0.013
1983.0 3.784 0.001 101.824 0.013
1984.0 3.785 0.001 101.796 0.012
1985.0 3.787 0.001 101.767 0.012
1986.0 3.788 0.001 101.738 0.011
1987.0 3.790 0.001 101.709 0.011
1988.0 3.791 0.001 101.681 0.011
1989.0 3.792 0.001 101.652 0.010
1990.0 3.794 0.001 101.623 0.010
1991.0 3.795 0.001 101.595 0.010
1992.0 3.797 0.001 101.566 0.009
1993.0 3.798 0.001 101.538 0.009
1994.0 3.800 0.001 101.509 0.008
1995.0 3.801 0.001 101.481 0.008
1996.0 3.802 0.001 101.452 0.008
1997.0 3.804 0.001 101.424 0.007
1998.0 3.805 0.001 101.395 0.007
1999.0 3.807 0.001 101.367 0.006
2000.0 3.808 0.001 101.338 0.006
2001.0 3.809 0.001 101.310 0.006
2002.0 3.811 0.000 101.281 0.005
2003.0 3.812 0.000 101.253 0.005
2004.0 3.814 0.000 101.225 0.005
2005.0 3.815 0.000 101.196 0.004
2006.0 3.817 0.000 101.168 0.004
2007.0 3.818 0.000 101.140 0.003
2008.0 3.819 0.000 101.112 0.003
2009.0 3.821 0.000 101.083 0.003
2010.0 3.822 0.000 101.055 0.002
2011.0 3.824 0.000 101.027 0.002
2012.0 3.825 0.000 100.999 0.002
2013.0 3.827 0.000 100.971 0.001
2014.0 3.828 0.000 100.942 0.001
2015.0 3.829 0.000 100.914 0.000
2016.0 3.831 0.000 100.886 0.000
2017.0 3.832 0.000 100.858 0.000
2018.0 3.834 0.000 100.830 0.001
2019.0 3.835 0.000 100.802 0.001
2020.0 3.837 0.000 100.774 0.002
2021.0 3.838 0.000 100.746 0.002
2022.0 3.840 0.000 100.718 0.002
2023.0 3.841 0.000 100.690 0.003
2024.0 3.842 0.000 100.662 0.003
2025.0 3.844 0.000 100.634 0.003
2026.0 3.845 0.000 100.606 0.004
2027.0 3.847 0.000 100.579 0.004
2028.0 3.848 0.000 100.551 0.005
2029.0 3.850 0.000 100.523 0.005
2030.0 3.851 0.000 100.495 0.005
2031.0 3.853 0.001 100.467 0.006
2032.0 3.854 0.001 100.440 0.006
2033.0 3.855 0.001 100.412 0.006
2034.0 3.857 0.001 100.384 0.007
2035.0 3.858 0.001 100.356 0.007
2036.0 3.860 0.001 100.329 0.007
2037.0 3.861 0.001 100.301 0.008
2038.0 3.863 0.001 100.274 0.008
2039.0 3.864 0.001 100.246 0.009
2040.0 3.866 0.001 100.218 0.009
2041.0 3.867 0.001 100.191 0.009
2042.0 3.869 0.001 100.163 0.010
2043.0 3.870 0.001 100.136 0.010
2044.0 3.872 0.001 100.108 0.010
2045.0 3.873 0.001 100.081 0.011
2046.0 3.874 0.001 100.053 0.011
2047.0 3.876 0.001 100.026 0.012
2048.0 3.877 0.001 99.998 0.012
2049.0 3.879 0.001 99.971 0.012
2050.0 3.880 0.001 99.944 0.013
2051.0 3.882 0.001 99.916 0.013
2052.0 3.883 0.001 99.889 0.013
2053.0 3.885 0.001 99.862 0.014
2054.0 3.886 0.001 99.834 0.014
2055.0 3.888 0.001 99.807 0.014
2056.0 3.889 0.001 99.780 0.015
2057.0 3.891 0.001 99.753 0.015
2058.0 3.892 0.001 99.725 0.016
2059.0 3.894 0.001 99.698 0.016
2060.0 3.895 0.001 99.671 0.016
2061.0 3.897 0.002 99.644 0.017
2062.0 3.898 0.002 99.617 0.017
2063.0 3.900 0.002 99.590 0.017
2064.0 3.901 0.002 99.562 0.018
2065.0 3.902 0.002 99.535 0.018
2066.0 3.904 0.002 99.508 0.018
2067.0 3.905 0.002 99.481 0.019
2068.0 3.907 0.002 99.454 0.019
2069.0 3.908 0.002 99.427 0.019
2070.0 3.910 0.002 99.400 0.020
2071.0 3.911 0.002 99.373 0.020
2072.0 3.913 0.002 99.346 0.021
2073.0 3.914 0.002 99.320 0.021
2074.0 3.916 0.002 99.293 0.021
2075.0 3.917 0.002 99.266 0.022
2076.0 3.919 0.002 99.239 0.022
2077.0 3.920 0.002 99.212 0.022
2078.0 3.922 0.002 99.185 0.023
2079.0 3.923 0.002 99.159 0.023
2080.0 3.925 0.002 99.132 0.023
2081.0 3.926 0.002 99.105 0.024
2082.0 3.928 0.002 99.078 0.024
2083.0 3.929 0.002 99.052 0.024
2084.0 3.931 0.002 99.025 0.025
2085.0 3.932 0.002 98.998 0.025
2086.0 3.934 0.002 98.972 0.026
2087.0 3.935 0.002 98.945 0.026
2088.0 3.937 0.002 98.918 0.026
2089.0 3.938 0.002 98.892 0.027
2090.0 3.940 0.003 98.865 0.027
2091.0 3.941 0.003 98.839 0.027
2092.0 3.943 0.003 98.812 0.028
2093.0 3.944 0.003 98.786 0.028
2094.0 3.946 0.003 98.759 0.028
2095.0 3.947 0.003 98.733 0.029
2096.0 3.949 0.003 98.706 0.029
2097.0 3.950 0.003 98.680 0.029
2098.0 3.952 0.003 98.654 0.030
2099.0 3.953 0.003 98.627 0.030
2100.0 3.955 0.003 98.601 0.030
WDS ID Discovr Comp # Sep PA Epoch Obs Telescope Camera Note
--------------------------------------------------------------------------------------------------
10595+1248 HEI 360 1 3.82" 99.9° B2025.260 HWI 120/900 APO ASI678MM
-- Image of HEI-360-taken with Equinox 120/900 APO --
wds_id : 10595+1248
discoverer_code : HEI
discoverer_number : 360
discoverer_components :
date_first : 1985
date_last : 2019
num_of_obs : 11
pa_first : 103
pa_last : 102
sep_first : 3.4
sep_last : 3.8
mag_primary : 9.9
mag_secondary : 10.0
spectral_type : G5
primary_proper_motion_RA : -43
primary_proper_motion_DEC : -53
secondary_proper_motion_RA : -6
secondary_proper_motion_DEC : -63
dm_number : +13 2334
notes :
precise_coordinate : 105930.13+124805.5
Click to expand/collapse the Gaia Input Data:
Star A
solution_id = 1636148068921376768
designation = Gaia DR3 3871897284879625088
source_id = 3871897284879625088
random_index = 1592409238.0
ref_epoch = 2016.0
ra = 164.87542715313108
ra_error = 0.021806136
dec = 12.801291845703746
dec_error = 0.016851215
parallax = 6.589133639164529
parallax_error = 0.022624759
parallax_over_error = 291.23553
pm = 69.833015
pmra = -40.50179015614085
pmra_error = 0.023956392
pmdec = -56.88809573787926
pmdec_error = 0.018649768
ra_dec_corr = -0.03108292
ra_parallax_corr = -0.43184263
ra_pmra_corr = -0.10512987
ra_pmdec_corr = 0.14305815
dec_parallax_corr = -0.10778519
dec_pmra_corr = 0.14065948
dec_pmdec_corr = -0.14612938
parallax_pmra_corr = 0.0490205
parallax_pmdec_corr = -0.036405783
pmra_pmdec_corr = -0.05817573
astrometric_n_obs_al = 152
astrometric_n_obs_ac = 143
astrometric_n_good_obs_al = 141
astrometric_n_bad_obs_al = 11
astrometric_gof_al = -2.0709934
astrometric_chi2_al = 299.90775
astrometric_excess_noise = 0.10154677
astrometric_excess_noise_sig = 8.868492
astrometric_params_solved = 95
astrometric_primary_flag = false
pseudocolour = 1.5602765
pseudocolour_error = 0.0051972666
ra_pseudocolour_corr = -0.29598203
dec_pseudocolour_corr = -0.19620904
parallax_pseudocolour_corr = 0.08257537
pmra_pseudocolour_corr = -0.12683344
pmdec_pseudocolour_corr = -0.101559624
astrometric_matched_transits = 16
visibility_periods_used = 13
astrometric_sigma5d_max = 0.033540778
matched_transits = 20
new_matched_transits = 20
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 1.1121098
ipd_gof_harmonic_phase = 103.09368
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.8742871
duplicated_source = false
phot_g_n_obs = 159
phot_g_mean_flux = 1378705.2708695754
phot_g_mean_flux_error = 488.08438
phot_g_mean_flux_over_error = 2824.7273
phot_g_mean_mag = 10.338688
phot_bp_n_obs = 15
phot_bp_mean_flux = 737921.0635476189
phot_bp_mean_flux_error = 301.38937
phot_bp_mean_flux_over_error = 2448.3977
phot_bp_mean_mag = 10.668517
phot_rp_n_obs = 15
phot_rp_mean_flux = 916454.3031325827
phot_rp_mean_flux_error = 258.55295
phot_rp_mean_flux_over_error = 3544.5518
phot_rp_mean_mag = 9.842618
phot_bp_rp_excess_factor = 1.1999485
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 = 0.8258991
bp_g = 0.32982922
g_rp = 0.4960699
radial_velocity = -4.591353
radial_velocity_error = 0.37167314
rv_method_used = 1
rv_nb_transits = 10
rv_nb_deblended_transits = 5
rv_visibility_periods_used = 9
rv_expected_sig_to_noise = 62.843784
rv_renormalised_gof = 1.0238247
rv_chisq_pvalue = 0.105987675
rv_time_duration = 936.7559
rv_amplitude_robust = 2.5619462
rv_template_teff = 5750.0
rv_template_logg = 4.5
rv_template_fe_h = 0.0
rv_atm_param_origin = 222
grvs_mag = 9.647306
grvs_mag_error = 0.0051120366
grvs_mag_nb_transits = 3
phot_variable_flag = NOT_AVAILABLE
l = 236.06354109967697
b = 60.160988898648014
ecl_lon = 161.13968726690237
ecl_lat = 5.858922247781154
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 = 1.0645612e-13
classprob_dsc_combmod_galaxy = 5.31743e-13
classprob_dsc_combmod_star = 0.999561
teff_gspphot = 5703.606
teff_gspphot_lower = 5699.5967
teff_gspphot_upper = 5710.17
logg_gspphot = 4.2583
logg_gspphot_lower = 4.2552
logg_gspphot_upper = 4.2613
mh_gspphot = -0.1157
mh_gspphot_lower = -0.1206
mh_gspphot_upper = -0.1082
distance_gspphot = 150.6174
distance_gspphot_lower = 150.0725
distance_gspphot_upper = 151.1099
azero_gspphot = 0.0504
azero_gspphot_lower = 0.0471
azero_gspphot_upper = 0.055
ag_gspphot = 0.0421
ag_gspphot_lower = 0.0394
ag_gspphot_upper = 0.046
ebpminrp_gspphot = 0.0226
ebpminrp_gspphot_lower = 0.0211
ebpminrp_gspphot_upper = 0.0247
libname_gspphot = MARCS
Star B
solution_id = 1636148068921376768
designation = Gaia DR3 3871897216159942016
source_id = 3871897216159942016
random_index = 1730102429.0
ref_epoch = 2016.0
ra = 164.8764987813363
ra_error = 0.021122877
dec = 12.801090870628723
dec_error = 0.014268152
parallax = 6.556524781291367
parallax_error = 0.020342778
parallax_over_error = 322.30234
pm = 67.52982
pmra = -38.735194468666776
pmra_error = 0.025460092
pmdec = -55.31601555826812
pmdec_error = 0.017136833
ra_dec_corr = -0.030803094
ra_parallax_corr = -0.48864606
ra_pmra_corr = -0.29228204
ra_pmdec_corr = 0.047407765
dec_parallax_corr = 0.03935673
dec_pmra_corr = 0.03106146
dec_pmdec_corr = -0.22136855
parallax_pmra_corr = 0.075414516
parallax_pmdec_corr = -0.07543726
pmra_pmdec_corr = 0.098912664
astrometric_n_obs_al = 143
astrometric_n_obs_ac = 143
astrometric_n_good_obs_al = 143
astrometric_n_bad_obs_al = 0
astrometric_gof_al = 2.0651627
astrometric_chi2_al = 349.63852
astrometric_excess_noise = 0.08703857
astrometric_excess_noise_sig = 7.5121446
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.5431248
astrometric_matched_transits = 16
visibility_periods_used = 13
astrometric_sigma5d_max = 0.036134083
matched_transits = 19
new_matched_transits = 7
matched_transits_removed = 1
ipd_gof_harmonic_amplitude = 0.079188555
ipd_gof_harmonic_phase = 110.02317
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.1243365
duplicated_source = false
phot_g_n_obs = 151
phot_g_mean_flux = 977706.2539819684
phot_g_mean_flux_error = 131.80936
phot_g_mean_flux_over_error = 7417.5786
phot_g_mean_mag = 10.711846
phot_bp_n_obs = 5
phot_bp_mean_flux = 514291.6747446277
phot_bp_mean_flux_error = 457.0359
phot_bp_mean_flux_over_error = 1125.2764
phot_bp_mean_mag = 11.060518
phot_rp_n_obs = 5
phot_rp_mean_flux = 667792.7980803812
phot_rp_mean_flux_error = 421.0045
phot_rp_mean_flux_over_error = 1586.1892
phot_rp_mean_mag = 10.186291
phot_bp_rp_excess_factor = 1.2090385
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 = 0.8742275
bp_g = 0.3486719
g_rp = 0.5255556
radial_velocity = -4.3209815
radial_velocity_error = 0.28320643
rv_method_used = 1
rv_nb_transits = 8
rv_nb_deblended_transits = 2
rv_visibility_periods_used = 8
rv_expected_sig_to_noise = 41.608707
rv_renormalised_gof = -1.4554707
rv_chisq_pvalue = 0.9155737
rv_time_duration = 936.7559
rv_amplitude_robust = 1.7357237
rv_template_teff = 5750.0
rv_template_logg = 5.0
rv_template_fe_h = 0.25
rv_atm_param_origin = 444
grvs_mag = 10.000612
grvs_mag_error = 0.014015159
grvs_mag_nb_transits = 5
phot_variable_flag = NOT_AVAILABLE
l = 236.0650219635173
b = 60.16175668855622
ecl_lon = 161.14073431365702
ecl_lat = 5.859140233556469
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 = 1.2558453e-13
classprob_dsc_combmod_galaxy = 6.272884e-13
classprob_dsc_combmod_star = 0.9976672
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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 22:23:53 +0100
www.stella-vega.de
