Gaia Source ID - Star A : 1374656960860690560 Simbad
Gaia Source ID - Star B : 1374656960858803072 Simbad
Observation Epoch : J 2025.463 / 2025-06-19
Angular Separation : 14.926" ± 0.1981 mas
Position Angle : 85.81 ± 0.00100 degreesStar A/B Epoch : J 2016.000 / J 2016.000
Angular Separation : 14.944" ± 0.0158 mas
Position Angle : 85.84 ± 0.00007 degrees
LB of Projected Separation (AU): 1642.79 AU
Spatial Separation (AU) : 6404.70 ± 63943.49 AU
Proper Motion Angular Difference : 0.54 ± 0.04 degrees
Total Proper Motion Difference : 1.98 ± 0.03 mas/yr
Tangential Velocity Difference : 1.02 ± 0.11 km/s
Aladin Lite Sky Atlas
DSS color
DSS blue
2MASS
AllWISE
Gaia Source ID : 1374656960860690560 Simbad
Parallax over error : 519.392 : very good
RUWE : 0.930 : good astrometric fit (single star)
Duplicated source : false : single source
G magnitude : 7.737 : G > 3 mag, photometry reliable
Excess noise : 0.130 : poor fit, model deviation significant
Significance : 12.896 : possible double star, motion, mismatch
BP-RP excess factor : 1.264 : photometry consistent
Visibility periods : 27 : high, indicates well observed star
IPD multi-peak frac : 14% : mulitple peaks detected (possible double)
IDP GoF harmonic amp: 0.039 : unobtrusive (single star source)
Gaia Source ID : 1374656960858803072 Simbad
Parallax over error : 456.224 : very good
RUWE : 1.070 : good astrometric fit (single star)
Duplicated source : false : single source
G magnitude : 7.963 : G > 3 mag, photometry reliable
Excess noise : 0.161 : poor fit, model deviation significant
Significance : 19.601 : possible double star, motion, mismatch
BP-RP excess factor : 1.346 : photometry inconsistent
Visibility periods : 29 : high, indicates well observed star
IPD multi-peak frac : 16% : mulitple peaks detected (possible double)
IDP GoF harmonic amp: 0.045 : unobtrusive (single star source)
Spatial separation :
6404.7 AU, with an uncertainty range of [ 1642.8 (P), 70348.2] AU
Probability for a physical pair:
Low (Nominal) / High (at lower bound of uncertainty)
Separation-Based Evidence factor:
0.5 (Nominal) / Flag: normal
Relative Proper Motion Angular difference:
0.30 %
Relative Total Proper Motion difference:
2.70 %
Relative Tangential Velocity difference:
2.68 %
Estimated CPM Probability:
98.26 %
CPM-Based Evidence factor:
0.966
Combined Physical Binding Evidence factor:
0.733
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 15.170 0.002 86.190 0.012
1901.0 15.168 0.002 86.187 0.012
1902.0 15.166 0.002 86.184 0.012
1903.0 15.164 0.002 86.181 0.012
1904.0 15.162 0.002 86.178 0.012
1905.0 15.160 0.002 86.175 0.012
1906.0 15.158 0.002 86.172 0.012
1907.0 15.156 0.002 86.169 0.012
1908.0 15.154 0.002 86.166 0.011
1909.0 15.152 0.002 86.163 0.011
1910.0 15.150 0.002 86.160 0.011
1911.0 15.148 0.002 86.157 0.011
1912.0 15.147 0.002 86.154 0.011
1913.0 15.145 0.002 86.151 0.011
1914.0 15.143 0.002 86.148 0.011
1915.0 15.141 0.002 86.145 0.011
1916.0 15.139 0.002 86.142 0.011
1917.0 15.137 0.002 86.139 0.010
1918.0 15.135 0.002 86.136 0.010
1919.0 15.133 0.002 86.133 0.010
1920.0 15.131 0.002 86.130 0.010
1921.0 15.129 0.002 86.127 0.010
1922.0 15.127 0.002 86.124 0.010
1923.0 15.125 0.002 86.121 0.010
1924.0 15.123 0.002 86.118 0.010
1925.0 15.121 0.002 86.115 0.010
1926.0 15.119 0.002 86.112 0.010
1927.0 15.117 0.002 86.109 0.009
1928.0 15.115 0.002 86.106 0.009
1929.0 15.113 0.002 86.103 0.009
1930.0 15.112 0.002 86.100 0.009
1931.0 15.110 0.002 86.097 0.009
1932.0 15.108 0.002 86.094 0.009
1933.0 15.106 0.002 86.091 0.009
1934.0 15.104 0.002 86.088 0.009
1935.0 15.102 0.002 86.085 0.009
1936.0 15.100 0.002 86.082 0.008
1937.0 15.098 0.002 86.079 0.008
1938.0 15.096 0.002 86.076 0.008
1939.0 15.094 0.002 86.073 0.008
1940.0 15.092 0.002 86.070 0.008
1941.0 15.090 0.002 86.067 0.008
1942.0 15.088 0.002 86.064 0.008
1943.0 15.086 0.002 86.061 0.008
1944.0 15.084 0.002 86.058 0.008
1945.0 15.082 0.001 86.055 0.008
1946.0 15.080 0.001 86.052 0.007
1947.0 15.078 0.001 86.049 0.007
1948.0 15.077 0.001 86.046 0.007
1949.0 15.075 0.001 86.043 0.007
1950.0 15.073 0.001 86.040 0.007
1951.0 15.071 0.001 86.037 0.007
1952.0 15.069 0.001 86.034 0.007
1953.0 15.067 0.001 86.031 0.007
1954.0 15.065 0.001 86.028 0.007
1955.0 15.063 0.001 86.025 0.006
1956.0 15.061 0.001 86.022 0.006
1957.0 15.059 0.001 86.019 0.006
1958.0 15.057 0.001 86.016 0.006
1959.0 15.055 0.001 86.013 0.006
1960.0 15.053 0.001 86.010 0.006
1961.0 15.051 0.001 86.007 0.006
1962.0 15.049 0.001 86.004 0.006
1963.0 15.047 0.001 86.001 0.006
1964.0 15.045 0.001 85.998 0.006
1965.0 15.043 0.001 85.995 0.005
1966.0 15.042 0.001 85.992 0.005
1967.0 15.040 0.001 85.989 0.005
1968.0 15.038 0.001 85.985 0.005
1969.0 15.036 0.001 85.982 0.005
1970.0 15.034 0.001 85.979 0.005
1971.0 15.032 0.001 85.976 0.005
1972.0 15.030 0.001 85.973 0.005
1973.0 15.028 0.001 85.970 0.005
1974.0 15.026 0.001 85.967 0.004
1975.0 15.024 0.001 85.964 0.004
1976.0 15.022 0.001 85.961 0.004
1977.0 15.020 0.001 85.958 0.004
1978.0 15.018 0.001 85.955 0.004
1979.0 15.016 0.001 85.952 0.004
1980.0 15.014 0.001 85.949 0.004
1981.0 15.012 0.001 85.946 0.004
1982.0 15.010 0.001 85.943 0.004
1983.0 15.009 0.001 85.940 0.004
1984.0 15.007 0.001 85.937 0.003
1985.0 15.005 0.001 85.934 0.003
1986.0 15.003 0.001 85.931 0.003
1987.0 15.001 0.001 85.928 0.003
1988.0 14.999 0.001 85.925 0.003
1989.0 14.997 0.001 85.922 0.003
1990.0 14.995 0.001 85.918 0.003
1991.0 14.993 0.001 85.915 0.003
1992.0 14.991 0.001 85.912 0.003
1993.0 14.989 0.000 85.909 0.002
1994.0 14.987 0.000 85.906 0.002
1995.0 14.985 0.000 85.903 0.002
1996.0 14.983 0.000 85.900 0.002
1997.0 14.981 0.000 85.897 0.002
1998.0 14.979 0.000 85.894 0.002
1999.0 14.977 0.000 85.891 0.002
2000.0 14.976 0.000 85.888 0.002
2001.0 14.974 0.000 85.885 0.002
2002.0 14.972 0.000 85.882 0.002
2003.0 14.970 0.000 85.879 0.001
2004.0 14.968 0.000 85.876 0.001
2005.0 14.966 0.000 85.873 0.001
2006.0 14.964 0.000 85.869 0.001
2007.0 14.962 0.000 85.866 0.001
2008.0 14.960 0.000 85.863 0.001
2009.0 14.958 0.000 85.860 0.001
2010.0 14.956 0.000 85.857 0.001
2011.0 14.954 0.000 85.854 0.001
2012.0 14.952 0.000 85.851 0.000
2013.0 14.950 0.000 85.848 0.000
2014.0 14.948 0.000 85.845 0.000
2015.0 14.946 0.000 85.842 0.000
2016.0 14.944 0.000 85.839 0.000
2017.0 14.943 0.000 85.836 0.000
2018.0 14.941 0.000 85.833 0.000
2019.0 14.939 0.000 85.830 0.000
2020.0 14.937 0.000 85.826 0.000
2021.0 14.935 0.000 85.823 0.001
2022.0 14.933 0.000 85.820 0.001
2023.0 14.931 0.000 85.817 0.001
2024.0 14.929 0.000 85.814 0.001
2025.0 14.927 0.000 85.811 0.001
2026.0 14.925 0.000 85.808 0.001
2027.0 14.923 0.000 85.805 0.001
2028.0 14.921 0.000 85.802 0.001
2029.0 14.919 0.000 85.799 0.001
2030.0 14.917 0.000 85.796 0.002
2031.0 14.915 0.000 85.793 0.002
2032.0 14.913 0.000 85.789 0.002
2033.0 14.911 0.000 85.786 0.002
2034.0 14.910 0.000 85.783 0.002
2035.0 14.908 0.000 85.780 0.002
2036.0 14.906 0.000 85.777 0.002
2037.0 14.904 0.000 85.774 0.002
2038.0 14.902 0.000 85.771 0.002
2039.0 14.900 0.000 85.768 0.002
2040.0 14.898 0.001 85.765 0.003
2041.0 14.896 0.001 85.762 0.003
2042.0 14.894 0.001 85.759 0.003
2043.0 14.892 0.001 85.755 0.003
2044.0 14.890 0.001 85.752 0.003
2045.0 14.888 0.001 85.749 0.003
2046.0 14.886 0.001 85.746 0.003
2047.0 14.884 0.001 85.743 0.003
2048.0 14.882 0.001 85.740 0.003
2049.0 14.880 0.001 85.737 0.004
2050.0 14.878 0.001 85.734 0.004
2051.0 14.877 0.001 85.731 0.004
2052.0 14.875 0.001 85.728 0.004
2053.0 14.873 0.001 85.724 0.004
2054.0 14.871 0.001 85.721 0.004
2055.0 14.869 0.001 85.718 0.004
2056.0 14.867 0.001 85.715 0.004
2057.0 14.865 0.001 85.712 0.004
2058.0 14.863 0.001 85.709 0.005
2059.0 14.861 0.001 85.706 0.005
2060.0 14.859 0.001 85.703 0.005
2061.0 14.857 0.001 85.700 0.005
2062.0 14.855 0.001 85.696 0.005
2063.0 14.853 0.001 85.693 0.005
2064.0 14.851 0.001 85.690 0.005
2065.0 14.849 0.001 85.687 0.005
2066.0 14.847 0.001 85.684 0.005
2067.0 14.846 0.001 85.681 0.006
2068.0 14.844 0.001 85.678 0.006
2069.0 14.842 0.001 85.675 0.006
2070.0 14.840 0.001 85.672 0.006
2071.0 14.838 0.001 85.668 0.006
2072.0 14.836 0.001 85.665 0.006
2073.0 14.834 0.001 85.662 0.006
2074.0 14.832 0.001 85.659 0.006
2075.0 14.830 0.001 85.656 0.006
2076.0 14.828 0.001 85.653 0.006
2077.0 14.826 0.001 85.650 0.007
2078.0 14.824 0.001 85.647 0.007
2079.0 14.822 0.001 85.643 0.007
2080.0 14.820 0.001 85.640 0.007
2081.0 14.818 0.001 85.637 0.007
2082.0 14.816 0.001 85.634 0.007
2083.0 14.815 0.001 85.631 0.007
2084.0 14.813 0.001 85.628 0.007
2085.0 14.811 0.001 85.625 0.007
2086.0 14.809 0.001 85.621 0.008
2087.0 14.807 0.001 85.618 0.008
2088.0 14.805 0.002 85.615 0.008
2089.0 14.803 0.002 85.612 0.008
2090.0 14.801 0.002 85.609 0.008
2091.0 14.799 0.002 85.606 0.008
2092.0 14.797 0.002 85.603 0.008
2093.0 14.795 0.002 85.600 0.008
2094.0 14.793 0.002 85.596 0.008
2095.0 14.791 0.002 85.593 0.009
2096.0 14.789 0.002 85.590 0.009
2097.0 14.787 0.002 85.587 0.009
2098.0 14.785 0.002 85.584 0.009
2099.0 14.784 0.002 85.581 0.009
2100.0 14.782 0.002 85.578 0.009
WDS ID Discovr Comp # Sep PA Epoch Obs Telescope Camera Note
-------------------------------------------------------------------------------------------------
15382+3615 STF 1964 AC 1 15.03" 85.67° B2025.468 HWI 120/900 APO ASI678MM
-- Image of STF-1964-AC-taken with Equinox 120/900 APO --
wds_id : 15382+3615
discoverer_code : STF
discoverer_number : 1964
discoverer_components : AC
date_first : 1782
date_last : 2021
num_of_obs : 83
pa_first : 85
pa_last : 86
sep_first : 16.8
sep_last : 15.0
mag_primary : 8.07
mag_secondary : 8.06
spectral_type : F5
primary_proper_motion_RA : -57
primary_proper_motion_DEC : 45
secondary_proper_motion_RA : -58
secondary_proper_motion_DEC : 46
dm_number :
notes : NT
precise_coordinate : 153812.91+361448.6
WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS
T: Similar parallax/proper motion: physical
Click to expand/collapse the Gaia Input Data:
Star A
solution_id = 1636148068921376768
designation = Gaia DR3 1374656960860690560
source_id = 1374656960860690560
random_index = 409116534.0
ref_epoch = 2016.0
ra = 234.55349166834944
ra_error = 0.012274857
dec = 36.24705769140664
dec_error = 0.015843222
parallax = 9.094486314749462
parallax_error = 0.017509872
parallax_over_error = 519.3919
pm = 73.19724
pmra = -57.739691351125856
pmra_error = 0.01572502
pmdec = 44.988495873420746
pmdec_error = 0.02250756
ra_dec_corr = 0.09933668
ra_parallax_corr = -0.049605828
ra_pmra_corr = -0.01613056
ra_pmdec_corr = 0.009664077
dec_parallax_corr = -0.1584244
dec_pmra_corr = 0.009197097
dec_pmdec_corr = -0.051510826
parallax_pmra_corr = -0.053501274
parallax_pmdec_corr = -0.07996965
pmra_pmdec_corr = 0.16781723
astrometric_n_obs_al = 400
astrometric_n_obs_ac = 400
astrometric_n_good_obs_al = 396
astrometric_n_bad_obs_al = 4
astrometric_gof_al = -2.0506773
astrometric_chi2_al = 827.2161
astrometric_excess_noise = 0.129826
astrometric_excess_noise_sig = 12.896094
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.6134087
astrometric_matched_transits = 46
visibility_periods_used = 27
astrometric_sigma5d_max = 0.03153088
matched_transits = 50
new_matched_transits = 15
matched_transits_removed = 4
ipd_gof_harmonic_amplitude = 0.039476592
ipd_gof_harmonic_phase = 20.78049
ipd_frac_multi_peak = 14
ipd_frac_odd_win = 0
ruwe = 0.92674035
duplicated_source = false
phot_g_n_obs = 395
phot_g_mean_flux = 15142638.73118401
phot_g_mean_flux_error = 4891.78
phot_g_mean_flux_over_error = 3095.5276
phot_g_mean_mag = 7.736863
phot_bp_n_obs = 42
phot_bp_mean_flux = 9515551.541956866
phot_bp_mean_flux_error = 49373.516
phot_bp_mean_flux_over_error = 192.72583
phot_bp_mean_mag = 7.8924575
phot_rp_n_obs = 41
phot_rp_mean_flux = 9628839.555738315
phot_rp_mean_flux_error = 63164.28
phot_rp_mean_flux_over_error = 152.44121
phot_rp_mean_mag = 7.2889605
phot_bp_rp_excess_factor = 1.2642704
phot_bp_n_contaminated_transits = 7
phot_bp_n_blended_transits = 35
phot_rp_n_contaminated_transits = 10
phot_rp_n_blended_transits = 31
phot_proc_mode = 0
bp_rp = 0.603497
bp_g = 0.15559435
g_rp = 0.44790268
phot_variable_flag = NOT_AVAILABLE
l = 58.06223643005029
b = 53.6644209762217
ecl_lon = 218.16540351976894
ecl_lat = 53.496243896295084
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 = 5.7910365e-10
classprob_dsc_combmod_galaxy = 5.6293213e-13
classprob_dsc_combmod_star = 0.99894476
teff_gspphot = 6405.4487
teff_gspphot_lower = 6400.9033
teff_gspphot_upper = 6411.7354
logg_gspphot = 3.8914
logg_gspphot_lower = 3.8901
logg_gspphot_upper = 3.8932
mh_gspphot = -1.0735
mh_gspphot_lower = -1.0911
mh_gspphot_upper = -1.053
distance_gspphot = 109.6768
distance_gspphot_lower = 109.4548
distance_gspphot_upper = 109.8785
azero_gspphot = 0.0026
azero_gspphot_lower = 0.0005
azero_gspphot_upper = 0.0061
ag_gspphot = 0.0022
ag_gspphot_lower = 0.0005
ag_gspphot_upper = 0.0053
ebpminrp_gspphot = 0.0012
ebpminrp_gspphot_lower = 0.0002
ebpminrp_gspphot_upper = 0.0029
libname_gspphot = A
Star B
solution_id = 1636148068921376768
designation = Gaia DR3 1374656960858803072
source_id = 1374656960858803072
random_index = 1195942486.0
ref_epoch = 2016.0
ra = 234.5586255029276
ra_error = 0.015269214
dec = 36.24735880998665
dec_error = 0.017100561
parallax = 9.096969257287348
parallax_error = 0.019939706
parallax_over_error = 456.22385
pm = 75.17646
pmra = -59.73084138774923
pmra_error = 0.020391395
pmdec = 45.647856998866
pmdec_error = 0.02568093
ra_dec_corr = 0.21849655
ra_parallax_corr = -0.11607281
ra_pmra_corr = -0.08575825
ra_pmdec_corr = 0.0058327345
dec_parallax_corr = -0.04011677
dec_pmra_corr = 0.0011407804
dec_pmdec_corr = -0.10505617
parallax_pmra_corr = -0.07312112
parallax_pmdec_corr = 0.0005575105
pmra_pmdec_corr = 0.30697095
astrometric_n_obs_al = 398
astrometric_n_obs_ac = 398
astrometric_n_good_obs_al = 397
astrometric_n_bad_obs_al = 1
astrometric_gof_al = 1.8421576
astrometric_chi2_al = 1099.9156
astrometric_excess_noise = 0.16102114
astrometric_excess_noise_sig = 19.600727
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.6191139
astrometric_matched_transits = 45
visibility_periods_used = 29
astrometric_sigma5d_max = 0.037619155
matched_transits = 50
new_matched_transits = 17
matched_transits_removed = 6
ipd_gof_harmonic_amplitude = 0.045277517
ipd_gof_harmonic_phase = 12.628662
ipd_frac_multi_peak = 16
ipd_frac_odd_win = 0
ruwe = 1.0656389
duplicated_source = false
phot_g_n_obs = 402
phot_g_mean_flux = 12295089.448106712
phot_g_mean_flux_error = 4632.3174
phot_g_mean_flux_over_error = 2654.1985
phot_g_mean_mag = 7.9630375
phot_bp_n_obs = 43
phot_bp_mean_flux = 8353976.157093627
phot_bp_mean_flux_error = 132525.45
phot_bp_mean_flux_over_error = 63.036766
phot_bp_mean_mag = 8.033809
phot_rp_n_obs = 44
phot_rp_mean_flux = 8192313.252525141
phot_rp_mean_flux_error = 135913.0
phot_rp_mean_flux_over_error = 60.276157
phot_rp_mean_mag = 7.4643793
phot_bp_rp_excess_factor = 1.345764
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 43
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 44
phot_proc_mode = 0
bp_rp = 0.5694294
bp_g = 0.07077122
g_rp = 0.49865818
phot_variable_flag = NOT_AVAILABLE
l = 58.06244721678331
b = 53.66027161897207
ecl_lon = 218.17162272628767
ecl_lat = 53.49812696230281
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 = 1.5800538e-09
classprob_dsc_combmod_galaxy = 5.3488767e-13
classprob_dsc_combmod_star = 0.99950176
teff_gspphot = 6565.0293
teff_gspphot_lower = 6557.4185
teff_gspphot_upper = 6577.5723
logg_gspphot = 3.8554
logg_gspphot_lower = 3.8526
logg_gspphot_upper = 3.8584
mh_gspphot = -1.1895
mh_gspphot_lower = -1.1974
mh_gspphot_upper = -1.1709
distance_gspphot = 109.7399
distance_gspphot_lower = 109.4851
distance_gspphot_upper = 110.0105
azero_gspphot = 0.0058
azero_gspphot_lower = 0.0018
azero_gspphot_upper = 0.0123
ag_gspphot = 0.0051
ag_gspphot_lower = 0.0016
ag_gspphot_upper = 0.0108
ebpminrp_gspphot = 0.0028
ebpminrp_gspphot_lower = 0.0008
ebpminrp_gspphot_upper = 0.0059
libname_gspphot = MARCS
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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 22:32:19 +0100
www.stella-vega.de
