Gaia Source ID - Star A : 180702438220217344 Simbad
Gaia Source ID - Star B : 180702433926228864 Simbad
Observation Epoch : J 2024.070 / 2024-01-27
Angular Separation : 10.022" ± 0.7191 mas
Position Angle : 12.80 ± 0.00470 degreesStar A/B Epoch : J 2016.000 / J 2016.000
Angular Separation : 10.068" ± 0.0513 mas
Position Angle : 11.30 ± 0.00044 degrees
LB of Projected Separation (AU): 838.12 AU
Spatial Separation (pc) : 177.26 ± 1.38 pc
Spatial Separation (ly) : 578.15 ± 4.51 ly
Proper Motion Angular Difference : 154.30 ± 50.72 degrees
Total Proper Motion Difference : 22.82 ± 0.12 mas/yr
Tangential Velocity Difference : 4.56 ± 0.12 km/s
Aladin Lite Sky Atlas
DSS color
DSS blue
2MASS
AllWISE
Gaia Source ID : 180702438220217344 Simbad
Parallax over error : 104.333 : very good
RUWE : 1.110 : good astrometric fit (single star)
Duplicated source : false : single source
G magnitude : 4.946 : G > 3 mag, photometry reliable
Excess noise : 0.617 : poor fit, model deviation significant
Significance : 759.001 : possible double star, motion, mismatch
BP-RP excess factor : 1.169 : photometry consistent
Visibility periods : 14 : high, indicates well observed star
IPD multi-peak frac : 0% : single peak detected
IDP GoF harmonic amp: 0.056 : slight indication of structure
Gaia Source ID : 180702433926228864 Simbad
Parallax over error : 230.612 : very good
RUWE : 0.950 : good astrometric fit (single star)
Duplicated source : false : single source
G magnitude : 10.806 : G > 3 mag, photometry reliable
Excess noise : 0.074 : poor fit, model deviation significant
Significance : 10.170 : possible double star, motion, mismatch
BP-RP excess factor : 1.207 : photometry consistent
Visibility periods : 18 : high, indicates well observed star
IPD multi-peak frac : 0% : single peak detected
IDP GoF harmonic amp: 0.042 : unobtrusive (single star source)
Spatial separation :
177.26 pc, with an uncertainty range of [ 175.88, 178.64] 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:
85.72 %
Relative Total Proper Motion difference:
431.13 %
Relative Tangential Velocity difference:
69.72 %
Estimated CPM Probability:
0.10 %
CPM-Based Evidence factor:
0.000
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 11.416 0.010 352.095 0.060
1901.0 11.400 0.010 352.238 0.059
1902.0 11.383 0.010 352.382 0.059
1903.0 11.367 0.010 352.527 0.058
1904.0 11.351 0.010 352.671 0.058
1905.0 11.335 0.010 352.817 0.057
1906.0 11.319 0.010 352.962 0.057
1907.0 11.303 0.010 353.108 0.057
1908.0 11.287 0.010 353.255 0.056
1909.0 11.271 0.009 353.402 0.056
1910.0 11.255 0.009 353.549 0.055
1911.0 11.239 0.009 353.696 0.055
1912.0 11.224 0.009 353.844 0.054
1913.0 11.208 0.009 353.993 0.054
1914.0 11.193 0.009 354.142 0.054
1915.0 11.177 0.009 354.291 0.053
1916.0 11.162 0.009 354.441 0.053
1917.0 11.147 0.009 354.591 0.052
1918.0 11.132 0.009 354.741 0.052
1919.0 11.117 0.009 354.892 0.051
1920.0 11.102 0.008 355.044 0.051
1921.0 11.087 0.008 355.196 0.050
1922.0 11.072 0.008 355.348 0.050
1923.0 11.057 0.008 355.500 0.049
1924.0 11.042 0.008 355.653 0.049
1925.0 11.028 0.008 355.807 0.049
1926.0 11.013 0.008 355.960 0.048
1927.0 10.999 0.008 356.115 0.048
1928.0 10.985 0.008 356.269 0.047
1929.0 10.970 0.008 356.424 0.047
1930.0 10.956 0.008 356.580 0.046
1931.0 10.942 0.007 356.735 0.046
1932.0 10.928 0.007 356.892 0.045
1933.0 10.914 0.007 357.048 0.045
1934.0 10.900 0.007 357.205 0.044
1935.0 10.886 0.007 357.363 0.044
1936.0 10.872 0.007 357.521 0.043
1937.0 10.859 0.007 357.679 0.043
1938.0 10.845 0.007 357.837 0.042
1939.0 10.832 0.007 357.996 0.042
1940.0 10.818 0.007 358.156 0.041
1941.0 10.805 0.007 358.316 0.041
1942.0 10.792 0.007 358.476 0.040
1943.0 10.779 0.006 358.636 0.040
1944.0 10.766 0.006 358.797 0.039
1945.0 10.753 0.006 358.959 0.039
1946.0 10.740 0.006 359.120 0.038
1947.0 10.727 0.006 359.282 0.038
1948.0 10.714 0.006 359.445 0.037
1949.0 10.702 0.006 359.608 0.037
1950.0 10.689 0.006 359.771 0.036
1951.0 10.677 0.006 359.935 0.036
1952.0 10.664 0.006 0.099 0.035
1953.0 10.652 0.006 0.263 0.035
1954.0 10.640 0.005 0.428 0.034
1955.0 10.628 0.005 0.593 0.034
1956.0 10.616 0.005 0.759 0.033
1957.0 10.604 0.005 0.925 0.033
1958.0 10.592 0.005 1.091 0.032
1959.0 10.580 0.005 1.258 0.032
1960.0 10.569 0.005 1.425 0.031
1961.0 10.557 0.005 1.592 0.031
1962.0 10.546 0.005 1.760 0.030
1963.0 10.534 0.005 1.928 0.030
1964.0 10.523 0.005 2.097 0.029
1965.0 10.512 0.004 2.265 0.029
1966.0 10.501 0.004 2.435 0.028
1967.0 10.490 0.004 2.604 0.027
1968.0 10.479 0.004 2.774 0.027
1969.0 10.468 0.004 2.944 0.026
1970.0 10.457 0.004 3.115 0.026
1971.0 10.446 0.004 3.286 0.025
1972.0 10.436 0.004 3.457 0.025
1973.0 10.425 0.004 3.629 0.024
1974.0 10.415 0.004 3.801 0.024
1975.0 10.405 0.004 3.974 0.023
1976.0 10.395 0.004 4.146 0.023
1977.0 10.385 0.003 4.319 0.022
1978.0 10.375 0.003 4.493 0.022
1979.0 10.365 0.003 4.666 0.021
1980.0 10.355 0.003 4.840 0.020
1981.0 10.345 0.003 5.015 0.020
1982.0 10.336 0.003 5.189 0.019
1983.0 10.326 0.003 5.364 0.019
1984.0 10.317 0.003 5.540 0.018
1985.0 10.307 0.003 5.715 0.018
1986.0 10.298 0.003 5.891 0.017
1987.0 10.289 0.003 6.068 0.017
1988.0 10.280 0.002 6.244 0.016
1989.0 10.271 0.002 6.421 0.015
1990.0 10.262 0.002 6.598 0.015
1991.0 10.253 0.002 6.776 0.014
1992.0 10.245 0.002 6.954 0.014
1993.0 10.236 0.002 7.132 0.013
1994.0 10.228 0.002 7.310 0.013
1995.0 10.220 0.002 7.489 0.012
1996.0 10.211 0.002 7.668 0.012
1997.0 10.203 0.002 7.847 0.011
1998.0 10.195 0.002 8.027 0.010
1999.0 10.187 0.002 8.207 0.010
2000.0 10.179 0.001 8.387 0.009
2001.0 10.172 0.001 8.567 0.009
2002.0 10.164 0.001 8.748 0.008
2003.0 10.157 0.001 8.929 0.008
2004.0 10.149 0.001 9.110 0.007
2005.0 10.142 0.001 9.291 0.006
2006.0 10.135 0.001 9.473 0.006
2007.0 10.127 0.001 9.655 0.005
2008.0 10.120 0.001 9.837 0.005
2009.0 10.113 0.001 10.020 0.004
2010.0 10.107 0.001 10.203 0.004
2011.0 10.100 0.000 10.386 0.003
2012.0 10.093 0.000 10.569 0.002
2013.0 10.087 0.000 10.752 0.002
2014.0 10.080 0.000 10.936 0.001
2015.0 10.074 0.000 11.120 0.001
2016.0 10.068 0.000 11.304 0.000
2017.0 10.062 0.000 11.488 0.001
2018.0 10.056 0.000 11.673 0.001
2019.0 10.050 0.000 11.858 0.002
2020.0 10.044 0.000 12.043 0.002
2021.0 10.039 0.000 12.228 0.003
2022.0 10.033 0.001 12.414 0.004
2023.0 10.027 0.001 12.599 0.004
2024.0 10.022 0.001 12.785 0.005
2025.0 10.017 0.001 12.971 0.005
2026.0 10.012 0.001 13.157 0.006
2027.0 10.007 0.001 13.344 0.006
2028.0 10.002 0.001 13.531 0.007
2029.0 9.997 0.001 13.717 0.008
2030.0 9.992 0.001 13.904 0.008
2031.0 9.988 0.001 14.091 0.009
2032.0 9.983 0.001 14.279 0.009
2033.0 9.979 0.002 14.466 0.010
2034.0 9.974 0.002 14.654 0.011
2035.0 9.970 0.002 14.842 0.011
2036.0 9.966 0.002 15.030 0.012
2037.0 9.962 0.002 15.218 0.012
2038.0 9.958 0.002 15.406 0.013
2039.0 9.955 0.002 15.595 0.013
2040.0 9.951 0.002 15.783 0.014
2041.0 9.947 0.002 15.972 0.015
2042.0 9.944 0.002 16.161 0.015
2043.0 9.941 0.002 16.350 0.016
2044.0 9.937 0.003 16.539 0.016
2045.0 9.934 0.003 16.728 0.017
2046.0 9.931 0.003 16.917 0.018
2047.0 9.928 0.003 17.107 0.018
2048.0 9.926 0.003 17.296 0.019
2049.0 9.923 0.003 17.486 0.019
2050.0 9.920 0.003 17.676 0.020
2051.0 9.918 0.003 17.865 0.020
2052.0 9.916 0.003 18.055 0.021
2053.0 9.913 0.003 18.245 0.022
2054.0 9.911 0.003 18.436 0.022
2055.0 9.909 0.003 18.626 0.023
2056.0 9.907 0.004 18.816 0.023
2057.0 9.905 0.004 19.006 0.024
2058.0 9.904 0.004 19.197 0.025
2059.0 9.902 0.004 19.387 0.025
2060.0 9.901 0.004 19.578 0.026
2061.0 9.899 0.004 19.768 0.026
2062.0 9.898 0.004 19.959 0.027
2063.0 9.897 0.004 20.150 0.027
2064.0 9.896 0.004 20.340 0.028
2065.0 9.895 0.004 20.531 0.029
2066.0 9.894 0.005 20.722 0.029
2067.0 9.893 0.005 20.913 0.030
2068.0 9.893 0.005 21.103 0.030
2069.0 9.892 0.005 21.294 0.031
2070.0 9.892 0.005 21.485 0.032
2071.0 9.892 0.005 21.676 0.032
2072.0 9.892 0.005 21.867 0.033
2073.0 9.892 0.005 22.058 0.033
2074.0 9.892 0.005 22.249 0.034
2075.0 9.892 0.005 22.440 0.034
2076.0 9.892 0.005 22.631 0.035
2077.0 9.892 0.006 22.821 0.036
2078.0 9.893 0.006 23.012 0.036
2079.0 9.894 0.006 23.203 0.037
2080.0 9.894 0.006 23.394 0.037
2081.0 9.895 0.006 23.585 0.038
2082.0 9.896 0.006 23.776 0.038
2083.0 9.897 0.006 23.966 0.039
2084.0 9.898 0.006 24.157 0.039
2085.0 9.900 0.006 24.348 0.040
2086.0 9.901 0.006 24.538 0.041
2087.0 9.902 0.006 24.729 0.041
2088.0 9.904 0.007 24.919 0.042
2089.0 9.906 0.007 25.109 0.042
2090.0 9.908 0.007 25.300 0.043
2091.0 9.909 0.007 25.490 0.043
2092.0 9.911 0.007 25.680 0.044
2093.0 9.914 0.007 25.870 0.044
2094.0 9.916 0.007 26.060 0.045
2095.0 9.918 0.007 26.250 0.046
2096.0 9.921 0.007 26.440 0.046
2097.0 9.923 0.007 26.630 0.047
2098.0 9.926 0.007 26.819 0.047
2099.0 9.929 0.008 27.009 0.048
2100.0 9.932 0.008 27.198 0.048
WDS ID Discovr Comp # Sep PA Epoch Obs Telescope Camera Note
-------------------------------------------------------------------------------------------------
05154+3241 STF 653 AB 1 9.83" 12.7° B2024.074 HWI 120/900 APO ASI120MC
-- Image of STF-653-AB-taken with Equinox 120/900 APO --
wds_id : 05154+3241
discoverer_code : STF
discoverer_number : 653
discoverer_components : AB
date_first : 1827
date_last : 2017
num_of_obs : 28
pa_first : 340
pa_last : 11
sep_first : 12.0
sep_last : 8.9
mag_primary : 5.03
mag_secondary : 10.9
spectral_type : A9IV
primary_proper_motion_RA : -27
primary_proper_motion_DEC : 12
secondary_proper_motion_RA : 25
secondary_proper_motion_DEC : -1
dm_number : +32 922
notes : NU
precise_coordinate : 051524.39+324115.3
WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS
U: Proper motion or other technique: non-physical
Click to expand/collapse the Gaia Input Data:
Star A
solution_id = 1636148068921376768
designation = Gaia DR3 180702438220217344
source_id = 180702438220217344
random_index = 1078744443.0
ref_epoch = 2016.0
ra = 78.8515091125468
ra_error = 0.09102844
dec = 32.68765475178911
dec_error = 0.049354833
parallax = 12.012574006458387
parallax_error = 0.115136385
parallax_over_error = 104.333435
pm = 28.109386
pmra = -25.25634579770649
pmra_error = 0.12070028
pmdec = 12.339150900411488
pmdec_error = 0.08727909
ra_dec_corr = -0.14092498
ra_parallax_corr = 0.050957575
ra_pmra_corr = -0.18563977
ra_pmdec_corr = 0.28733417
dec_parallax_corr = -0.2878981
dec_pmra_corr = 0.4019455
dec_pmdec_corr = -0.6588275
parallax_pmra_corr = -0.045370452
parallax_pmdec_corr = 0.54042065
pmra_pmdec_corr = -0.36079484
astrometric_n_obs_al = 379
astrometric_n_obs_ac = 379
astrometric_n_good_obs_al = 366
astrometric_n_bad_obs_al = 13
astrometric_gof_al = 3.02535
astrometric_chi2_al = 28842.162
astrometric_excess_noise = 0.61702365
astrometric_excess_noise_sig = 759.0014
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.6765624
astrometric_matched_transits = 43
visibility_periods_used = 14
astrometric_sigma5d_max = 0.18098964
matched_transits = 43
new_matched_transits = 28
matched_transits_removed = 12
ipd_gof_harmonic_amplitude = 0.056189388
ipd_gof_harmonic_phase = 66.05062
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.1137217
duplicated_source = false
phot_g_n_obs = 370
phot_g_mean_flux = 197976534.5474359
phot_g_mean_flux_error = 233012.06
phot_g_mean_flux_over_error = 849.6407
phot_g_mean_mag = 4.9458327
phot_bp_n_obs = 42
phot_bp_mean_flux = 128580735.8683203
phot_bp_mean_flux_error = 260307.03
phot_bp_mean_flux_over_error = 493.95798
phot_bp_mean_mag = 5.0656023
phot_rp_n_obs = 37
phot_rp_mean_flux = 102757715.83174202
phot_rp_mean_flux_error = 614383.1
phot_rp_mean_flux_over_error = 167.25348
phot_rp_mean_mag = 4.7183595
phot_bp_rp_excess_factor = 1.1685145
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 12
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 32
phot_proc_mode = 0
bp_rp = 0.34724283
bp_g = 0.11976957
g_rp = 0.22747326
phot_variable_flag = NOT_AVAILABLE
l = 173.2980137428991
b = -3.353621286699134
ecl_lon = 80.49991319060905
ecl_lat = 9.615300351865663
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 = 1.7239153e-13
classprob_dsc_combmod_galaxy = 8.61087e-13
classprob_dsc_combmod_star = 0.9930341
Star B
solution_id = 1636148068921376768
designation = Gaia DR3 180702433926228864
source_id = 180702433926228864
random_index = 771167152.0
ref_epoch = 2016.0
ra = 78.85216047323895
ra_error = 0.014117476
dec = 32.69039714431321
dec_error = 0.007776005
parallax = 3.838663903705918
parallax_error = 0.016645547
parallax_over_error = 230.61208
pm = 5.2924123
pmra = 5.29231917822775
pmra_error = 0.017642114
pmdec = -0.031428328882920895
pmdec_error = 0.012107375
ra_dec_corr = 0.15184225
ra_parallax_corr = 0.1065438
ra_pmra_corr = 0.018853363
ra_pmdec_corr = 0.13995026
dec_parallax_corr = -0.19003062
dec_pmra_corr = 0.16572092
dec_pmdec_corr = -0.53566474
parallax_pmra_corr = 0.12148269
parallax_pmdec_corr = 0.44286343
pmra_pmdec_corr = 0.012347109
astrometric_n_obs_al = 463
astrometric_n_obs_ac = 463
astrometric_n_good_obs_al = 458
astrometric_n_bad_obs_al = 5
astrometric_gof_al = -1.5538188
astrometric_chi2_al = 899.9438
astrometric_excess_noise = 0.074129656
astrometric_excess_noise_sig = 10.169743
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.5680068
astrometric_matched_transits = 53
visibility_periods_used = 18
astrometric_sigma5d_max = 0.024477169
matched_transits = 53
new_matched_transits = 33
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.041533526
ipd_gof_harmonic_phase = 78.7404
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.9481016
duplicated_source = false
phot_g_n_obs = 430
phot_g_mean_flux = 896388.8044407824
phot_g_mean_flux_error = 126.973656
phot_g_mean_flux_over_error = 7059.644
phot_g_mean_mag = 10.806126
phot_bp_n_obs = 46
phot_bp_mean_flux = 496193.2795415781
phot_bp_mean_flux_error = 264.73712
phot_bp_mean_flux_over_error = 1874.2867
phot_bp_mean_mag = 11.099415
phot_rp_n_obs = 47
phot_rp_mean_flux = 585382.4642365244
phot_rp_mean_flux_error = 190.3736
phot_rp_mean_flux_over_error = 3074.914
phot_rp_mean_mag = 10.329296
phot_bp_rp_excess_factor = 1.2065922
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 9
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 10
phot_proc_mode = 0
bp_rp = 0.7701187
bp_g = 0.29328918
g_rp = 0.47682953
radial_velocity = 31.79889
radial_velocity_error = 1.7115164
rv_method_used = 1
rv_nb_transits = 3
rv_nb_deblended_transits = 2
rv_visibility_periods_used = 3
rv_expected_sig_to_noise = 29.01534
rv_renormalised_gof = 0.96097255
rv_chisq_pvalue = 0.15491886
rv_time_duration = 601.5358
rv_amplitude_robust = 4.7093086
rv_template_teff = 5750.0
rv_template_logg = 4.5
rv_template_fe_h = -0.75
rv_atm_param_origin = 101
phot_variable_flag = NOT_AVAILABLE
l = 173.29609520924868
b = -3.35158338319856
ecl_lon = 80.50068447334222
ecl_lat = 9.617991626347164
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 = 1.0765377e-13
classprob_dsc_combmod_galaxy = 5.377252e-13
classprob_dsc_combmod_star = 0.99944246
teff_gspphot = 6091.56
teff_gspphot_lower = 6028.4907
teff_gspphot_upper = 6155.6646
logg_gspphot = 4.1174
logg_gspphot_lower = 4.0942
logg_gspphot_upper = 4.1602
mh_gspphot = -0.2398
mh_gspphot_lower = -0.2964
mh_gspphot_upper = -0.1925
distance_gspphot = 251.0448
distance_gspphot_lower = 246.0331
distance_gspphot_upper = 253.8376
azero_gspphot = 0.1944
azero_gspphot_lower = 0.1605
azero_gspphot_upper = 0.2315
ag_gspphot = 0.1657
ag_gspphot_lower = 0.1365
ag_gspphot_upper = 0.1975
ebpminrp_gspphot = 0.0894
ebpminrp_gspphot_lower = 0.0736
ebpminrp_gspphot_upper = 0.1065
libname_gspphot = MARCS
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 22:38:34 +0100
www.stella-vega.de
