Gaia Source ID - Star A : 229898024422755840 Simbad
Gaia Source ID - Star B : 229898024422024192 Simbad
Observation Epoch : J 2025.055 / 2025-01-21
Angular Separation : 9.029" ± 4.4811 mas
Position Angle : 10.13 ± 0.02420 degreesStar A/B Epoch : J 2016.000 / J 2016.000
Angular Separation : 9.053" ± 0.3217 mas
Position Angle : 9.93 ± 0.00201 degrees
LB of Projected Separation (AU): 1697.91 AU
Spatial Separation (pc) : 46.31 ± 17.11 pc
Spatial Separation (ly) : 151.06 ± 55.81 ly
Proper Motion Angular Difference : 0.88 ± 5.35 degrees
Total Proper Motion Difference : 4.24 ± 0.51 mas/yr
Tangential Velocity Difference : 11.06 ± 2.48 km/s
Aladin Lite Sky Atlas
DSS color
DSS blue
2MASS
AllWISE
Gaia Source ID : 229898024422755840 Simbad 3.21
Parallax over error : 12.488 : good
RUWE : 3.210 : poor astrometric fit, (possible double)
Duplicated source : false : single source
G magnitude : 2.904 : G < 3 mag, possible saturation effects
Excess noise : 2.515 : poor fit, model deviation significant
Significance : 8927.956 : possible double star, motion, mismatch
BP-RP excess factor : 1.018 : photometry consistent
Visibility periods : 16 : high, indicates well observed star
IPD multi-peak frac : 0% : single peak detected
IDP GoF harmonic amp: 0.055 : slight indication of structure
Gaia Source ID : 229898024422024192 Simbad 4.22
Parallax over error : 28.527 : very good
RUWE : 4.220 : poor astrometric fit, (possible double)
Duplicated source : false : single source
G magnitude : 8.030 : G > 3 mag, photometry reliable
Excess noise : 1.211 : poor fit, model deviation significant
Significance : 921.934 : possible double star, motion, mismatch
BP-RP excess factor : 1.165 : photometry consistent
Visibility periods : 19 : high, indicates well observed star
IPD multi-peak frac : 0% : single peak detected
IDP GoF harmonic amp: 0.050 : slight indication of structure
Spatial separation :
46.31 pc, with an uncertainty range of [ 29.20, 63.43] pc
Probability for a physical pair:
Close to or zero (Nominal) / Close to or zero (at lower bound of uncertainty)
Separation-Based Evidence factor:
0.026 (Nominal) / Flag: normal
Relative Proper Motion Angular difference:
0.49 %
Relative Total Proper Motion difference:
14.63 %
Relative Tangential Velocity difference:
42.94 %
Estimated CPM Probability:
69.50 %
CPM-Based Evidence factor:
0.483
Combined Physical Binding Evidence factor:
0.026
RUWE probability for a binary system (Star A):
High
RUWE probability for a binary system (Star B):
High
-- 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 9.363 0.057 7.534 0.297
1901.0 9.360 0.057 7.554 0.294
1902.0 9.357 0.056 7.574 0.292
1903.0 9.355 0.056 7.594 0.290
1904.0 9.352 0.055 7.614 0.287
1905.0 9.349 0.055 7.634 0.285
1906.0 9.346 0.054 7.654 0.282
1907.0 9.344 0.054 7.674 0.280
1908.0 9.341 0.053 7.694 0.277
1909.0 9.338 0.053 7.714 0.275
1910.0 9.335 0.052 7.734 0.272
1911.0 9.333 0.052 7.754 0.270
1912.0 9.330 0.051 7.775 0.267
1913.0 9.327 0.051 7.795 0.265
1914.0 9.325 0.050 7.815 0.262
1915.0 9.322 0.050 7.835 0.260
1916.0 9.319 0.049 7.855 0.257
1917.0 9.316 0.049 7.875 0.255
1918.0 9.314 0.048 7.895 0.252
1919.0 9.311 0.048 7.916 0.250
1920.0 9.308 0.047 7.936 0.247
1921.0 9.305 0.047 7.956 0.245
1922.0 9.303 0.046 7.976 0.242
1923.0 9.300 0.046 7.997 0.240
1924.0 9.297 0.045 8.017 0.237
1925.0 9.295 0.045 8.037 0.235
1926.0 9.292 0.044 8.057 0.232
1927.0 9.289 0.044 8.078 0.230
1928.0 9.286 0.044 8.098 0.227
1929.0 9.284 0.043 8.118 0.225
1930.0 9.281 0.043 8.139 0.222
1931.0 9.278 0.042 8.159 0.220
1932.0 9.276 0.042 8.179 0.217
1933.0 9.273 0.041 8.200 0.215
1934.0 9.270 0.041 8.220 0.212
1935.0 9.268 0.040 8.240 0.210
1936.0 9.265 0.040 8.261 0.207
1937.0 9.262 0.039 8.281 0.205
1938.0 9.259 0.039 8.302 0.202
1939.0 9.257 0.038 8.322 0.199
1940.0 9.254 0.038 8.343 0.197
1941.0 9.251 0.037 8.363 0.194
1942.0 9.249 0.037 8.384 0.192
1943.0 9.246 0.036 8.404 0.189
1944.0 9.243 0.036 8.425 0.187
1945.0 9.241 0.035 8.445 0.184
1946.0 9.238 0.035 8.466 0.182
1947.0 9.235 0.034 8.486 0.179
1948.0 9.233 0.034 8.507 0.177
1949.0 9.230 0.033 8.527 0.174
1950.0 9.227 0.033 8.548 0.172
1951.0 9.224 0.032 8.568 0.169
1952.0 9.222 0.032 8.589 0.166
1953.0 9.219 0.031 8.610 0.164
1954.0 9.216 0.031 8.630 0.161
1955.0 9.214 0.030 8.651 0.159
1956.0 9.211 0.030 8.671 0.156
1957.0 9.208 0.029 8.692 0.154
1958.0 9.206 0.029 8.713 0.151
1959.0 9.203 0.028 8.733 0.149
1960.0 9.200 0.028 8.754 0.146
1961.0 9.198 0.027 8.775 0.143
1962.0 9.195 0.027 8.796 0.141
1963.0 9.192 0.026 8.816 0.138
1964.0 9.190 0.026 8.837 0.136
1965.0 9.187 0.025 8.858 0.133
1966.0 9.184 0.025 8.878 0.131
1967.0 9.182 0.024 8.899 0.128
1968.0 9.179 0.024 8.920 0.125
1969.0 9.176 0.023 8.941 0.123
1970.0 9.174 0.023 8.962 0.120
1971.0 9.171 0.022 8.982 0.118
1972.0 9.168 0.022 9.003 0.115
1973.0 9.166 0.021 9.024 0.113
1974.0 9.163 0.021 9.045 0.110
1975.0 9.160 0.020 9.066 0.107
1976.0 9.158 0.020 9.087 0.105
1977.0 9.155 0.019 9.108 0.102
1978.0 9.152 0.019 9.129 0.100
1979.0 9.150 0.018 9.149 0.097
1980.0 9.147 0.018 9.170 0.094
1981.0 9.144 0.017 9.191 0.092
1982.0 9.142 0.017 9.212 0.089
1983.0 9.139 0.016 9.233 0.087
1984.0 9.137 0.016 9.254 0.084
1985.0 9.134 0.015 9.275 0.081
1986.0 9.131 0.015 9.296 0.079
1987.0 9.129 0.014 9.317 0.076
1988.0 9.126 0.014 9.338 0.074
1989.0 9.123 0.013 9.359 0.071
1990.0 9.121 0.013 9.380 0.068
1991.0 9.118 0.012 9.401 0.066
1992.0 9.115 0.012 9.423 0.063
1993.0 9.113 0.011 9.444 0.061
1994.0 9.110 0.011 9.465 0.058
1995.0 9.108 0.010 9.486 0.055
1996.0 9.105 0.010 9.507 0.053
1997.0 9.102 0.009 9.528 0.050
1998.0 9.100 0.009 9.549 0.048
1999.0 9.097 0.008 9.570 0.045
2000.0 9.094 0.008 9.592 0.042
2001.0 9.092 0.007 9.613 0.040
2002.0 9.089 0.007 9.634 0.037
2003.0 9.087 0.006 9.655 0.034
2004.0 9.084 0.006 9.676 0.032
2005.0 9.081 0.005 9.698 0.029
2006.0 9.079 0.005 9.719 0.027
2007.0 9.076 0.004 9.740 0.024
2008.0 9.073 0.004 9.761 0.021
2009.0 9.071 0.003 9.783 0.019
2010.0 9.068 0.003 9.804 0.016
2011.0 9.066 0.002 9.825 0.013
2012.0 9.063 0.002 9.847 0.011
2013.0 9.060 0.002 9.868 0.008
2014.0 9.058 0.001 9.889 0.006
2015.0 9.055 0.001 9.911 0.003
2016.0 9.053 0.000 9.932 0.002
2017.0 9.050 0.001 9.953 0.003
2018.0 9.047 0.001 9.975 0.006
2019.0 9.045 0.002 9.996 0.008
2020.0 9.042 0.002 10.018 0.011
2021.0 9.040 0.002 10.039 0.013
2022.0 9.037 0.003 10.061 0.016
2023.0 9.034 0.003 10.082 0.019
2024.0 9.032 0.004 10.103 0.021
2025.0 9.029 0.004 10.125 0.024
2026.0 9.027 0.005 10.146 0.027
2027.0 9.024 0.005 10.168 0.029
2028.0 9.021 0.006 10.189 0.032
2029.0 9.019 0.006 10.211 0.035
2030.0 9.016 0.007 10.233 0.037
2031.0 9.014 0.007 10.254 0.040
2032.0 9.011 0.008 10.276 0.043
2033.0 9.009 0.008 10.297 0.045
2034.0 9.006 0.009 10.319 0.048
2035.0 9.003 0.009 10.340 0.051
2036.0 9.001 0.010 10.362 0.053
2037.0 8.998 0.010 10.384 0.056
2038.0 8.996 0.011 10.405 0.059
2039.0 8.993 0.011 10.427 0.061
2040.0 8.990 0.012 10.449 0.064
2041.0 8.988 0.012 10.470 0.067
2042.0 8.985 0.013 10.492 0.070
2043.0 8.983 0.013 10.514 0.072
2044.0 8.980 0.014 10.535 0.075
2045.0 8.978 0.014 10.557 0.078
2046.0 8.975 0.015 10.579 0.080
2047.0 8.972 0.015 10.601 0.083
2048.0 8.970 0.016 10.622 0.086
2049.0 8.967 0.016 10.644 0.088
2050.0 8.965 0.017 10.666 0.091
2051.0 8.962 0.017 10.688 0.094
2052.0 8.960 0.018 10.710 0.097
2053.0 8.957 0.018 10.731 0.099
2054.0 8.955 0.019 10.753 0.102
2055.0 8.952 0.019 10.775 0.105
2056.0 8.949 0.020 10.797 0.107
2057.0 8.947 0.020 10.819 0.110
2058.0 8.944 0.021 10.841 0.113
2059.0 8.942 0.021 10.863 0.116
2060.0 8.939 0.022 10.885 0.118
2061.0 8.937 0.022 10.907 0.121
2062.0 8.934 0.023 10.928 0.124
2063.0 8.932 0.023 10.950 0.127
2064.0 8.929 0.024 10.972 0.129
2065.0 8.927 0.024 10.994 0.132
2066.0 8.924 0.025 11.016 0.135
2067.0 8.921 0.025 11.038 0.137
2068.0 8.919 0.026 11.060 0.140
2069.0 8.916 0.026 11.082 0.143
2070.0 8.914 0.027 11.104 0.146
2071.0 8.911 0.027 11.126 0.148
2072.0 8.909 0.028 11.149 0.151
2073.0 8.906 0.028 11.171 0.154
2074.0 8.904 0.029 11.193 0.157
2075.0 8.901 0.029 11.215 0.159
2076.0 8.899 0.030 11.237 0.162
2077.0 8.896 0.030 11.259 0.165
2078.0 8.894 0.031 11.281 0.168
2079.0 8.891 0.031 11.303 0.170
2080.0 8.889 0.032 11.326 0.173
2081.0 8.886 0.032 11.348 0.176
2082.0 8.884 0.033 11.370 0.179
2083.0 8.881 0.033 11.392 0.181
2084.0 8.879 0.034 11.414 0.184
2085.0 8.876 0.034 11.437 0.187
2086.0 8.873 0.035 11.459 0.190
2087.0 8.871 0.035 11.481 0.193
2088.0 8.868 0.035 11.503 0.195
2089.0 8.866 0.036 11.526 0.198
2090.0 8.863 0.036 11.548 0.201
2091.0 8.861 0.037 11.570 0.204
2092.0 8.858 0.037 11.593 0.206
2093.0 8.856 0.038 11.615 0.209
2094.0 8.853 0.038 11.637 0.212
2095.0 8.851 0.039 11.660 0.215
2096.0 8.848 0.039 11.682 0.218
2097.0 8.846 0.040 11.704 0.220
2098.0 8.843 0.040 11.727 0.223
2099.0 8.841 0.041 11.749 0.226
2100.0 8.838 0.041 11.772 0.229
WDS ID Discovr Comp # Sep PA Epoch Obs Telescope Camera Note
-------------------------------------------------------------------------------------------------
03579+4001 STF 471 AB 1 8.95" 9,91° B2025.059 HWI 120/900 APO ASI678MM
-- Image of STF-471-AB-taken with Equinox 120/900 APO --
wds_id : 03579+4001
discoverer_code : STF
discoverer_number : 471
discoverer_components : AB
date_first : 1821
date_last : 2020
num_of_obs : 50
pa_first : 10
pa_last : 12
sep_first : 8.6
sep_last : 8.8
mag_primary : 2.85
mag_secondary : 8.88
spectral_type : B0.5V+A2V
primary_proper_motion_RA : 18
primary_proper_motion_DEC : -26
secondary_proper_motion_RA :
secondary_proper_motion_DEC :
dm_number : +39 895
notes : N
precise_coordinate : 035751.22+400036.9
WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS
Click to expand/collapse the Gaia Input Data:
Star A
solution_id = 1636148068921376768
designation = Gaia DR3 229898024422755840
source_id = 229898024422755840
random_index = 1742031949.0
ref_epoch = 2016.0
ra = 59.463595170524904
ra_error = 0.394849
dec = 40.0100950978535
dec_error = 0.30912247
parallax = 5.331620151096612
parallax_error = 0.42692316
parallax_over_error = 12.488478
pm = 28.957533
pmra = 16.84503530613945
pmra_error = 0.5208323
pmdec = -23.553843136836534
pmdec_error = 0.47855824
ra_dec_corr = 0.43655273
ra_parallax_corr = 0.10484093
ra_pmra_corr = 0.3010457
ra_pmdec_corr = 0.3317078
dec_parallax_corr = 0.03895314
dec_pmra_corr = 0.23671643
dec_pmdec_corr = 0.64998364
parallax_pmra_corr = -0.023346664
parallax_pmdec_corr = 0.011334646
pmra_pmdec_corr = 0.22442889
astrometric_n_obs_al = 188
astrometric_n_obs_ac = 188
astrometric_n_good_obs_al = 186
astrometric_n_bad_obs_al = 2
astrometric_gof_al = 33.518738
astrometric_chi2_al = 221298.25
astrometric_excess_noise = 2.5148807
astrometric_excess_noise_sig = 8927.956
astrometric_params_solved = 95
astrometric_primary_flag = false
pseudocolour = 1.860824
pseudocolour_error = 0.08116355
ra_pseudocolour_corr = -0.052135367
dec_pseudocolour_corr = -0.13596904
parallax_pseudocolour_corr = 0.1022979
pmra_pseudocolour_corr = -0.087399855
pmdec_pseudocolour_corr = -0.32976747
astrometric_matched_transits = 23
visibility_periods_used = 16
astrometric_sigma5d_max = 0.80876756
matched_transits = 23
new_matched_transits = 23
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.05478657
ipd_gof_harmonic_phase = 0.42380285
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 3.2109694
duplicated_source = false
phot_g_n_obs = 169
phot_g_mean_flux = 1297881759.6974673
phot_g_mean_flux_error = 4007476.0
phot_g_mean_flux_over_error = 323.86514
phot_g_mean_mag = 2.904279
phot_bp_n_obs = 22
phot_bp_mean_flux = 833184803.547949
phot_bp_mean_flux_error = 26326284.0
phot_bp_mean_flux_over_error = 31.648401
phot_bp_mean_mag = 3.0366888
phot_rp_n_obs = 22
phot_rp_mean_flux = 487418598.39445275
phot_rp_mean_flux_error = 1134618.5
phot_rp_mean_flux_over_error = 429.5881
phot_rp_mean_mag = 3.0281403
phot_bp_rp_excess_factor = 1.0175067
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 = 0.008548498
bp_g = 0.13240981
g_rp = -0.12386131
phot_variable_flag = NOT_AVAILABLE
l = 157.3539478259069
b = -10.088484202701519
ecl_lon = 65.6778824668387
ecl_lat = 19.114428541072883
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 = 1.02298066e-13
classprob_dsc_combmod_galaxy = 5.286172e-09
classprob_dsc_combmod_star = 0.99999946
teff_gspphot = 38816.12
teff_gspphot_lower = 38689.668
teff_gspphot_upper = 38919.312
logg_gspphot = 3.8686
logg_gspphot_lower = 3.8467
logg_gspphot_upper = 3.8926
mh_gspphot = -0.503
mh_gspphot_lower = -0.517
mh_gspphot_upper = -0.4951
distance_gspphot = 322.7157
distance_gspphot_lower = 309.9941
distance_gspphot_upper = 334.0103
azero_gspphot = 0.6128
azero_gspphot_lower = 0.6092
azero_gspphot_upper = 0.6162
ag_gspphot = 0.6218
ag_gspphot_lower = 0.6181
ag_gspphot_upper = 0.6253
ebpminrp_gspphot = 0.3397
ebpminrp_gspphot_lower = 0.3377
ebpminrp_gspphot_upper = 0.3417
libname_gspphot = OB
Star B
solution_id = 1636148068921376768
designation = Gaia DR3 229898024422024192
source_id = 229898024422024192
random_index = 200897989.0
ref_epoch = 2016.0
ra = 59.46416145544797
ra_error = 0.12553169
dec = 40.01257201820277
dec_error = 0.08938836
parallax = 4.275789720245172
parallax_error = 0.14988375
parallax_over_error = 28.527374
pm = 33.195
pmra = 19.721958002844705
pmra_error = 0.15872066
pmdec = -26.701169405839934
pmdec_error = 0.1297142
ra_dec_corr = 0.34310502
ra_parallax_corr = 0.21477033
ra_pmra_corr = 0.14971468
ra_pmdec_corr = 0.22723228
dec_parallax_corr = 0.0627181
dec_pmra_corr = 0.16860414
dec_pmdec_corr = 0.50109667
parallax_pmra_corr = 0.21543476
parallax_pmdec_corr = 0.036020033
pmra_pmdec_corr = 0.20355302
astrometric_n_obs_al = 388
astrometric_n_obs_ac = 388
astrometric_n_good_obs_al = 388
astrometric_n_bad_obs_al = 0
astrometric_gof_al = 66.837234
astrometric_chi2_al = 27220.25
astrometric_excess_noise = 1.2110555
astrometric_excess_noise_sig = 921.9336
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.7265881
astrometric_matched_transits = 45
visibility_periods_used = 19
astrometric_sigma5d_max = 0.23248746
matched_transits = 49
new_matched_transits = 10
matched_transits_removed = 3
ipd_gof_harmonic_amplitude = 0.05013698
ipd_gof_harmonic_phase = 173.74335
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 4.2150607
duplicated_source = false
phot_g_n_obs = 402
phot_g_mean_flux = 11563846.609121734
phot_g_mean_flux_error = 4714.7515
phot_g_mean_flux_over_error = 2452.6948
phot_g_mean_mag = 8.029611
phot_bp_n_obs = 32
phot_bp_mean_flux = 8208274.735692522
phot_bp_mean_flux_error = 5426.4165
phot_bp_mean_flux_over_error = 1512.6511
phot_bp_mean_mag = 8.052913
phot_rp_n_obs = 33
phot_rp_mean_flux = 5262490.257924663
phot_rp_mean_flux_error = 4324.5723
phot_rp_mean_flux_over_error = 1216.8811
phot_rp_mean_mag = 7.944917
phot_bp_rp_excess_factor = 1.1649035
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 2
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 3
phot_proc_mode = 0
bp_rp = 0.10799551
bp_g = 0.023302078
g_rp = 0.08469343
phot_variable_flag = VARIABLE
l = 157.35262750937997
b = -10.086331646890503
ecl_lon = 65.67889160701078
ecl_lat = 19.116755362775354
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 = 1.3644787e-13
classprob_dsc_combmod_galaxy = 6.815503e-13
classprob_dsc_combmod_star = 0.99659336
teff_gspphot = 9898.328
teff_gspphot_lower = 9851.787
teff_gspphot_upper = 9978.843
logg_gspphot = 3.9479
logg_gspphot_lower = 3.9313
logg_gspphot_upper = 3.9671
mh_gspphot = -1.0949
mh_gspphot_lower = -1.1814
mh_gspphot_upper = -0.9487
distance_gspphot = 251.6182
distance_gspphot_lower = 244.1978
distance_gspphot_upper = 258.1929
azero_gspphot = 0.2633
azero_gspphot_lower = 0.2554
azero_gspphot_upper = 0.2707
ag_gspphot = 0.252
ag_gspphot_lower = 0.2444
ag_gspphot_upper = 0.2592
ebpminrp_gspphot = 0.1343
ebpminrp_gspphot_lower = 0.1302
ebpminrp_gspphot_upper = 0.1381
libname_gspphot = A
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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 22:37:56 +0100
www.stella-vega.de
