Gaia Source ID - Star A : 2059853915630134912 Simbad
Gaia Source ID - Star B : 2059854121788578432 Simbad
Observation Epoch : J 2024.667 / 2024-09-01
Angular Separation : 42.297" ± 0.2244 mas
Position Angle : 327.02 ± 0.00030 degreesStar A/B Epoch : J 2016.000 / J 2016.000
Angular Separation : 42.298" ± 0.0202 mas
Position Angle : 327.01 ± 0.00002 degrees
LB of Projected Separation (ly): 1.32 ly
LB of Projected Separation (AU): 83618.45 AU
Spatial Separation (pc) : 25.41 ± 102.92 pc
Spatial Separation (ly) : 82.88 ± 335.69 ly
Proper Motion Angular Difference : 3.18 ± 1.50 degrees
Total Proper Motion Difference : 0.42 ± 0.03 mas/yr
Tangential Velocity Difference : 3.14 ± 3.40 km/s
Aladin Lite Sky Atlas
DSS color
DSS blue
2MASS
AllWISE
Gaia Source ID : 2059853915630134912 Simbad
Parallax over error : 22.926 : very good
RUWE : 0.960 : good astrometric fit (single star)
Duplicated source : false : single source
G magnitude : 7.009 : G > 3 mag, photometry reliable
Excess noise : 0.202 : poor fit, model deviation significant
Significance : 37.798 : possible double star, motion, mismatch
BP-RP excess factor : 1.317 : photometry inconsistent
Visibility periods : 25 : high, indicates well observed star
IPD multi-peak frac : 4% : mulitple peaks detected (possible double)
IDP GoF harmonic amp: 0.051 : slight indication of structure
Gaia Source ID : 2059854121788578432 Simbad
Parallax over error : 35.614 : very good
RUWE : 0.970 : good astrometric fit (single star)
Duplicated source : false : single source
G magnitude : 9.395 : G > 3 mag, photometry reliable
Excess noise : 0.125 : poor fit, model deviation significant
Significance : 22.206 : possible double star, motion, mismatch
BP-RP excess factor : 1.178 : photometry consistent
Visibility periods : 28 : high, indicates well observed star
IPD multi-peak frac : 0% : single peak detected
IDP GoF harmonic amp: 0.020 : unobtrusive (single star source)
Spatial separation :
5241435.3 AU, with an uncertainty range of [ 83618.4 (P), 26471089.0] AU
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:
1.77 %
Relative Total Proper Motion difference:
6.32 %
Relative Tangential Velocity difference:
4.97 %
Estimated CPM Probability:
93.30 %
CPM-Based Evidence factor:
0.871
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 42.311 0.003 326.923 0.004
1901.0 42.311 0.003 326.924 0.004
1902.0 42.311 0.003 326.924 0.004
1903.0 42.311 0.003 326.925 0.003
1904.0 42.311 0.003 326.926 0.003
1905.0 42.311 0.003 326.927 0.003
1906.0 42.310 0.003 326.927 0.003
1907.0 42.310 0.003 326.928 0.003
1908.0 42.310 0.003 326.929 0.003
1909.0 42.310 0.003 326.930 0.003
1910.0 42.310 0.003 326.930 0.003
1911.0 42.310 0.003 326.931 0.003
1912.0 42.310 0.003 326.932 0.003
1913.0 42.310 0.003 326.933 0.003
1914.0 42.310 0.003 326.933 0.003
1915.0 42.309 0.003 326.934 0.003
1916.0 42.309 0.003 326.935 0.003
1917.0 42.309 0.003 326.936 0.003
1918.0 42.309 0.003 326.936 0.003
1919.0 42.309 0.003 326.937 0.003
1920.0 42.309 0.002 326.938 0.003
1921.0 42.309 0.002 326.939 0.003
1922.0 42.309 0.002 326.939 0.003
1923.0 42.309 0.002 326.940 0.003
1924.0 42.308 0.002 326.941 0.003
1925.0 42.308 0.002 326.942 0.003
1926.0 42.308 0.002 326.942 0.003
1927.0 42.308 0.002 326.943 0.003
1928.0 42.308 0.002 326.944 0.003
1929.0 42.308 0.002 326.945 0.003
1930.0 42.308 0.002 326.945 0.003
1931.0 42.308 0.002 326.946 0.003
1932.0 42.308 0.002 326.947 0.003
1933.0 42.307 0.002 326.948 0.003
1934.0 42.307 0.002 326.948 0.003
1935.0 42.307 0.002 326.949 0.002
1936.0 42.307 0.002 326.950 0.002
1937.0 42.307 0.002 326.951 0.002
1938.0 42.307 0.002 326.951 0.002
1939.0 42.307 0.002 326.952 0.002
1940.0 42.307 0.002 326.953 0.002
1941.0 42.307 0.002 326.954 0.002
1942.0 42.306 0.002 326.954 0.002
1943.0 42.306 0.002 326.955 0.002
1944.0 42.306 0.002 326.956 0.002
1945.0 42.306 0.002 326.957 0.002
1946.0 42.306 0.002 326.958 0.002
1947.0 42.306 0.002 326.958 0.002
1948.0 42.306 0.002 326.959 0.002
1949.0 42.306 0.002 326.960 0.002
1950.0 42.306 0.002 326.961 0.002
1951.0 42.305 0.002 326.961 0.002
1952.0 42.305 0.002 326.962 0.002
1953.0 42.305 0.002 326.963 0.002
1954.0 42.305 0.002 326.964 0.002
1955.0 42.305 0.002 326.964 0.002
1956.0 42.305 0.002 326.965 0.002
1957.0 42.305 0.002 326.966 0.002
1958.0 42.305 0.001 326.967 0.002
1959.0 42.305 0.001 326.967 0.002
1960.0 42.304 0.001 326.968 0.002
1961.0 42.304 0.001 326.969 0.002
1962.0 42.304 0.001 326.970 0.002
1963.0 42.304 0.001 326.970 0.002
1964.0 42.304 0.001 326.971 0.002
1965.0 42.304 0.001 326.972 0.002
1966.0 42.304 0.001 326.973 0.002
1967.0 42.304 0.001 326.973 0.002
1968.0 42.304 0.001 326.974 0.001
1969.0 42.303 0.001 326.975 0.001
1970.0 42.303 0.001 326.976 0.001
1971.0 42.303 0.001 326.976 0.001
1972.0 42.303 0.001 326.977 0.001
1973.0 42.303 0.001 326.978 0.001
1974.0 42.303 0.001 326.979 0.001
1975.0 42.303 0.001 326.979 0.001
1976.0 42.303 0.001 326.980 0.001
1977.0 42.302 0.001 326.981 0.001
1978.0 42.302 0.001 326.982 0.001
1979.0 42.302 0.001 326.982 0.001
1980.0 42.302 0.001 326.983 0.001
1981.0 42.302 0.001 326.984 0.001
1982.0 42.302 0.001 326.985 0.001
1983.0 42.302 0.001 326.985 0.001
1984.0 42.302 0.001 326.986 0.001
1985.0 42.302 0.001 326.987 0.001
1986.0 42.301 0.001 326.988 0.001
1987.0 42.301 0.001 326.988 0.001
1988.0 42.301 0.001 326.989 0.001
1989.0 42.301 0.001 326.990 0.001
1990.0 42.301 0.001 326.991 0.001
1991.0 42.301 0.001 326.991 0.001
1992.0 42.301 0.001 326.992 0.001
1993.0 42.301 0.001 326.993 0.001
1994.0 42.301 0.001 326.994 0.001
1995.0 42.300 0.001 326.994 0.001
1996.0 42.300 0.001 326.995 0.001
1997.0 42.300 0.000 326.996 0.001
1998.0 42.300 0.000 326.997 0.001
1999.0 42.300 0.000 326.997 0.001
2000.0 42.300 0.000 326.998 0.000
2001.0 42.300 0.000 326.999 0.000
2002.0 42.300 0.000 327.000 0.000
2003.0 42.300 0.000 327.000 0.000
2004.0 42.299 0.000 327.001 0.000
2005.0 42.299 0.000 327.002 0.000
2006.0 42.299 0.000 327.003 0.000
2007.0 42.299 0.000 327.003 0.000
2008.0 42.299 0.000 327.004 0.000
2009.0 42.299 0.000 327.005 0.000
2010.0 42.299 0.000 327.006 0.000
2011.0 42.299 0.000 327.006 0.000
2012.0 42.299 0.000 327.007 0.000
2013.0 42.298 0.000 327.008 0.000
2014.0 42.298 0.000 327.009 0.000
2015.0 42.298 0.000 327.009 0.000
2016.0 42.298 0.000 327.010 0.000
2017.0 42.298 0.000 327.011 0.000
2018.0 42.298 0.000 327.012 0.000
2019.0 42.298 0.000 327.012 0.000
2020.0 42.298 0.000 327.013 0.000
2021.0 42.298 0.000 327.014 0.000
2022.0 42.297 0.000 327.015 0.000
2023.0 42.297 0.000 327.015 0.000
2024.0 42.297 0.000 327.016 0.000
2025.0 42.297 0.000 327.017 0.000
2026.0 42.297 0.000 327.018 0.000
2027.0 42.297 0.000 327.018 0.000
2028.0 42.297 0.000 327.019 0.000
2029.0 42.297 0.000 327.020 0.000
2030.0 42.297 0.000 327.021 0.000
2031.0 42.296 0.000 327.021 0.000
2032.0 42.296 0.000 327.022 0.000
2033.0 42.296 0.000 327.023 0.001
2034.0 42.296 0.000 327.024 0.001
2035.0 42.296 0.000 327.024 0.001
2036.0 42.296 0.001 327.025 0.001
2037.0 42.296 0.001 327.026 0.001
2038.0 42.296 0.001 327.027 0.001
2039.0 42.296 0.001 327.027 0.001
2040.0 42.295 0.001 327.028 0.001
2041.0 42.295 0.001 327.029 0.001
2042.0 42.295 0.001 327.030 0.001
2043.0 42.295 0.001 327.030 0.001
2044.0 42.295 0.001 327.031 0.001
2045.0 42.295 0.001 327.032 0.001
2046.0 42.295 0.001 327.033 0.001
2047.0 42.295 0.001 327.033 0.001
2048.0 42.295 0.001 327.034 0.001
2049.0 42.294 0.001 327.035 0.001
2050.0 42.294 0.001 327.036 0.001
2051.0 42.294 0.001 327.036 0.001
2052.0 42.294 0.001 327.037 0.001
2053.0 42.294 0.001 327.038 0.001
2054.0 42.294 0.001 327.039 0.001
2055.0 42.294 0.001 327.039 0.001
2056.0 42.294 0.001 327.040 0.001
2057.0 42.294 0.001 327.041 0.001
2058.0 42.293 0.001 327.042 0.001
2059.0 42.293 0.001 327.042 0.001
2060.0 42.293 0.001 327.043 0.001
2061.0 42.293 0.001 327.044 0.001
2062.0 42.293 0.001 327.045 0.001
2063.0 42.293 0.001 327.045 0.001
2064.0 42.293 0.001 327.046 0.001
2065.0 42.293 0.001 327.047 0.002
2066.0 42.293 0.001 327.048 0.002
2067.0 42.292 0.001 327.049 0.002
2068.0 42.292 0.001 327.049 0.002
2069.0 42.292 0.001 327.050 0.002
2070.0 42.292 0.001 327.051 0.002
2071.0 42.292 0.001 327.052 0.002
2072.0 42.292 0.001 327.052 0.002
2073.0 42.292 0.001 327.053 0.002
2074.0 42.292 0.001 327.054 0.002
2075.0 42.292 0.002 327.055 0.002
2076.0 42.291 0.002 327.055 0.002
2077.0 42.291 0.002 327.056 0.002
2078.0 42.291 0.002 327.057 0.002
2079.0 42.291 0.002 327.058 0.002
2080.0 42.291 0.002 327.058 0.002
2081.0 42.291 0.002 327.059 0.002
2082.0 42.291 0.002 327.060 0.002
2083.0 42.291 0.002 327.061 0.002
2084.0 42.290 0.002 327.061 0.002
2085.0 42.290 0.002 327.062 0.002
2086.0 42.290 0.002 327.063 0.002
2087.0 42.290 0.002 327.064 0.002
2088.0 42.290 0.002 327.064 0.002
2089.0 42.290 0.002 327.065 0.002
2090.0 42.290 0.002 327.066 0.002
2091.0 42.290 0.002 327.067 0.002
2092.0 42.290 0.002 327.067 0.002
2093.0 42.289 0.002 327.068 0.002
2094.0 42.289 0.002 327.069 0.002
2095.0 42.289 0.002 327.070 0.002
2096.0 42.289 0.002 327.070 0.002
2097.0 42.289 0.002 327.071 0.003
2098.0 42.289 0.002 327.072 0.003
2099.0 42.289 0.002 327.073 0.003
2100.0 42.289 0.002 327.073 0.003
WDS ID Discovr Comp # Sep PA Epoch Obs Telescope Camera Note
-------------------------------------------------------------------------------------------------
20035+3601 STF 2624 AC 1 43.0" 327.3° B2024.671 HWI 120/900 APO ASI678MM
-- Image of STF-2624-AC-taken with Equinox 120/900 APO --
wds_id : 20035+3601
discoverer_code : STF
discoverer_number : 2624
discoverer_components : AC
date_first : 1823
date_last : 2018
num_of_obs : 42
pa_first : 330
pa_last : 327
sep_first : 41.3
sep_last : 42.3
mag_primary : 7.09
mag_secondary : 9.26
spectral_type : O9.5IIIe
primary_proper_motion_RA : -3
primary_proper_motion_DEC : -8
secondary_proper_motion_RA : -5
secondary_proper_motion_DEC : -6
dm_number : +35 3929
notes : N
precise_coordinate : 200329.42+360128.6
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 2059853915630134912
source_id = 2059853915630134912
random_index = 663634832.0
ref_epoch = 2016.0
ra = 300.87247766983717
ra_error = 0.017652974
dec = 36.025116261910696
dec_error = 0.017935945
parallax = 0.5058466534701018
parallax_error = 0.022063928
parallax_over_error = 22.926409
pm = 7.0734324
pmra = -3.3061138386655418
pmra_error = 0.023068855
pmdec = -6.2532438961422185
pmdec_error = 0.02283139
ra_dec_corr = -0.117490225
ra_parallax_corr = -0.13976039
ra_pmra_corr = 0.0006941198
ra_pmdec_corr = -0.02354001
dec_parallax_corr = 0.061734557
dec_pmra_corr = -0.04555425
dec_pmdec_corr = -0.11642802
parallax_pmra_corr = 0.023463584
parallax_pmdec_corr = -0.17416872
pmra_pmdec_corr = -0.15716398
astrometric_n_obs_al = 371
astrometric_n_obs_ac = 371
astrometric_n_good_obs_al = 370
astrometric_n_bad_obs_al = 1
astrometric_gof_al = -0.9487528
astrometric_chi2_al = 1690.543
astrometric_excess_noise = 0.20210636
astrometric_excess_noise_sig = 37.79782
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.7093339
astrometric_matched_transits = 42
visibility_periods_used = 25
astrometric_sigma5d_max = 0.034208003
matched_transits = 46
new_matched_transits = 16
matched_transits_removed = 7
ipd_gof_harmonic_amplitude = 0.05070316
ipd_gof_harmonic_phase = 164.07375
ipd_frac_multi_peak = 4
ipd_frac_odd_win = 0
ruwe = 0.96418905
duplicated_source = false
phot_g_n_obs = 386
phot_g_mean_flux = 29612304.51435186
phot_g_mean_flux_error = 20304.246
phot_g_mean_flux_over_error = 1458.4292
phot_g_mean_mag = 7.0086865
phot_bp_n_obs = 35
phot_bp_mean_flux = 22357121.85085442
phot_bp_mean_flux_error = 466416.22
phot_bp_mean_flux_over_error = 47.93384
phot_bp_mean_mag = 6.9650025
phot_rp_n_obs = 34
phot_rp_mean_flux = 16647833.239515228
phot_rp_mean_flux_error = 309042.5
phot_rp_mean_flux_over_error = 53.869072
phot_rp_mean_mag = 6.6945014
phot_bp_rp_excess_factor = 1.3171874
phot_bp_n_contaminated_transits = 8
phot_bp_n_blended_transits = 27
phot_rp_n_contaminated_transits = 8
phot_rp_n_blended_transits = 26
phot_proc_mode = 0
bp_rp = 0.27050114
bp_g = -0.043684006
g_rp = 0.31418514
phot_variable_flag = VARIABLE
l = 72.58521820410778
b = 2.613639659456451
ecl_lon = 315.84476607537465
ecl_lat = 54.65976048955878
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 = 0.018507412
classprob_dsc_combmod_galaxy = 3.4218757e-09
classprob_dsc_combmod_star = 6.7148736e-05
teff_gspphot = 32502.455
teff_gspphot_lower = 32486.936
teff_gspphot_upper = 32522.803
logg_gspphot = 3.5498
logg_gspphot_lower = 3.5328
logg_gspphot_upper = 3.5675
mh_gspphot = 0.0053
mh_gspphot_lower = 0.0022
mh_gspphot_upper = 0.0112
distance_gspphot = 1862.0195
distance_gspphot_lower = 1794.2694
distance_gspphot_upper = 1927.0767
azero_gspphot = 1.3287
azero_gspphot_lower = 1.3256
azero_gspphot_upper = 1.3318
ag_gspphot = 1.3033
ag_gspphot_lower = 1.3002
ag_gspphot_upper = 1.3065
ebpminrp_gspphot = 0.7136
ebpminrp_gspphot_lower = 0.7119
ebpminrp_gspphot_upper = 0.7154
libname_gspphot = OB
Star B
solution_id = 1636148068921376768
designation = Gaia DR3 2059854121788578432
source_id = 2059854121788578432
random_index = 73387032.0
ref_epoch = 2016.0
ra = 300.864566441192
ra_error = 0.010622186
dec = 36.03497107368725
dec_error = 0.011994741
parallax = 0.4994277526211637
parallax_error = 0.014023523
parallax_over_error = 35.61357
pm = 6.652919
pmra = -2.7783829059574003
pmra_error = 0.014110655
pmdec = -6.044991139199473
pmdec_error = 0.014910182
ra_dec_corr = -0.04831439
ra_parallax_corr = 0.024335355
ra_pmra_corr = -0.14044921
ra_pmdec_corr = -0.092422314
dec_parallax_corr = 0.07387643
dec_pmra_corr = -0.107704066
dec_pmdec_corr = -0.17213967
parallax_pmra_corr = -0.18079436
parallax_pmdec_corr = -0.06153276
pmra_pmdec_corr = -0.059187878
astrometric_n_obs_al = 456
astrometric_n_obs_ac = 456
astrometric_n_good_obs_al = 455
astrometric_n_bad_obs_al = 1
astrometric_gof_al = -0.8096951
astrometric_chi2_al = 1352.7546
astrometric_excess_noise = 0.12537585
astrometric_excess_noise_sig = 22.205812
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.693454
astrometric_matched_transits = 52
visibility_periods_used = 28
astrometric_sigma5d_max = 0.020934036
matched_transits = 57
new_matched_transits = 23
matched_transits_removed = 1
ipd_gof_harmonic_amplitude = 0.019917276
ipd_gof_harmonic_phase = 19.95797
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.972398
duplicated_source = false
phot_g_n_obs = 443
phot_g_mean_flux = 3288648.1281661885
phot_g_mean_flux_error = 849.50684
phot_g_mean_flux_over_error = 3871.244
phot_g_mean_mag = 9.394823
phot_bp_n_obs = 46
phot_bp_mean_flux = 2204567.390627119
phot_bp_mean_flux_error = 1653.2417
phot_bp_mean_flux_over_error = 1333.4816
phot_bp_mean_mag = 9.480234
phot_rp_n_obs = 46
phot_rp_mean_flux = 1668478.8448095638
phot_rp_mean_flux_error = 486.0552
phot_rp_mean_flux_over_error = 3432.694
phot_rp_mean_mag = 9.192094
phot_bp_rp_excess_factor = 1.1777016
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 = 0.2881403
bp_g = 0.08541107
g_rp = 0.20272923
phot_variable_flag = NOT_AVAILABLE
l = 72.59017476515015
b = 2.6242948915387836
ecl_lon = 315.8404283207519
ecl_lat = 54.6712390094059
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 = 1.0311025e-13
classprob_dsc_combmod_galaxy = 5.150305e-13
classprob_dsc_combmod_star = 0.99999785
teff_gspphot = 21271.115
teff_gspphot_lower = 21194.557
teff_gspphot_upper = 21349.896
logg_gspphot = 3.5824
logg_gspphot_lower = 3.5632
logg_gspphot_upper = 3.6117
mh_gspphot = 0.0105
mh_gspphot_lower = 0.0029
mh_gspphot_upper = 0.0278
distance_gspphot = 2190.428
distance_gspphot_lower = 2091.078
distance_gspphot_upper = 2254.9443
azero_gspphot = 1.2087
azero_gspphot_lower = 1.2063
azero_gspphot_upper = 1.211
ag_gspphot = 1.1729
ag_gspphot_lower = 1.1705
ag_gspphot_upper = 1.1752
ebpminrp_gspphot = 0.6377
ebpminrp_gspphot_lower = 0.6363
ebpminrp_gspphot_upper = 0.639
libname_gspphot = OB
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 22:35:19 +0100
www.stella-vega.de
