Gaia Source ID - Star A : 3296329370379163520 Simbad
Gaia Source ID - Star B : 3296329503524729344 Simbad
Observation Epoch : J 2025.055 / 2025-01-21
Angular Separation : 108.914" ± 1.2398 mas
Position Angle : 70.11 ± 0.00050 degreesStar A/B Epoch : J 2016.000 / J 2016.000
Angular Separation : 108.174" ± 0.1201 mas
Position Angle : 70.04 ± 0.00003 degrees
LB of Projected Separation (AU): 5979.66 AU
Spatial Separation (pc) : 126.82 ± 0.91 pc
Spatial Separation (ly) : 413.64 ± 2.98 ly
Proper Motion Angular Difference : 72.45 ± 0.65 degrees
Total Proper Motion Difference : 55.10 ± 0.13 mas/yr
Tangential Velocity Difference : 4.68 ± 0.21 km/s
Aladin Lite Sky Atlas
DSS color
DSS blue
2MASS
AllWISE
Gaia Source ID : 3296329370379163520 Simbad 2.21
Parallax over error : 143.219 : very good
RUWE : 2.210 : poor astrometric fit, (possible double)
Duplicated source : false : single source
G magnitude : 3.719 : G > 3 mag, photometry reliable
Excess noise : 0.844 : poor fit, model deviation significant
Significance : 1365.867 : possible double star, motion, mismatch
BP-RP excess factor : 1.238 : photometry consistent
Visibility periods : 16 : high, indicates well observed star
IPD multi-peak frac : 2% : mulitple peaks detected (possible double)
IDP GoF harmonic amp: 0.047 : unobtrusive (single star source)
Gaia Source ID : 3296329503524729344 Simbad 1.62
Parallax over error : 219.935 : very good
RUWE : 1.620 : poor astrometric fit, (possible double)
Duplicated source : false : single source
G magnitude : 11.906 : G > 3 mag, photometry reliable
Excess noise : 0.171 : poor fit, model deviation significant
Significance : 46.847 : possible double star, motion, mismatch
BP-RP excess factor : 1.230 : photometry consistent
Visibility periods : 18 : high, indicates well observed star
IPD multi-peak frac : 0% : single peak detected
IDP GoF harmonic amp: 0.030 : unobtrusive (single star source)
Spatial separation :
126.82 pc, with an uncertainty range of [ 125.91, 127.74] 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:
40.25 %
Relative Total Proper Motion difference:
173.24 %
Relative Tangential Velocity difference:
20.56 %
Estimated CPM Probability:
1.72 %
CPM-Based Evidence factor:
0.000
Combined Physical Binding Evidence factor:
0.026
RUWE probability for a binary system (Star A):
Medium
RUWE probability for a binary system (Star B):
Medium
-- 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 98.709 0.016 69.048 0.008
1901.0 98.790 0.016 69.057 0.007
1902.0 98.871 0.015 69.067 0.007
1903.0 98.953 0.015 69.076 0.007
1904.0 99.034 0.015 69.085 0.007
1905.0 99.116 0.015 69.095 0.007
1906.0 99.197 0.015 69.104 0.007
1907.0 99.279 0.015 69.113 0.007
1908.0 99.360 0.015 69.123 0.007
1909.0 99.442 0.015 69.132 0.007
1910.0 99.523 0.014 69.141 0.007
1911.0 99.605 0.014 69.150 0.007
1912.0 99.686 0.014 69.160 0.007
1913.0 99.768 0.014 69.169 0.007
1914.0 99.849 0.014 69.178 0.007
1915.0 99.931 0.014 69.187 0.006
1916.0 100.012 0.014 69.196 0.006
1917.0 100.094 0.013 69.206 0.006
1918.0 100.175 0.013 69.215 0.006
1919.0 100.257 0.013 69.224 0.006
1920.0 100.338 0.013 69.233 0.006
1921.0 100.420 0.013 69.242 0.006
1922.0 100.501 0.013 69.251 0.006
1923.0 100.583 0.013 69.260 0.006
1924.0 100.664 0.013 69.269 0.006
1925.0 100.746 0.012 69.278 0.006
1926.0 100.827 0.012 69.287 0.006
1927.0 100.909 0.012 69.296 0.006
1928.0 100.990 0.012 69.305 0.006
1929.0 101.072 0.012 69.314 0.006
1930.0 101.154 0.012 69.323 0.005
1931.0 101.235 0.012 69.332 0.005
1932.0 101.317 0.011 69.341 0.005
1933.0 101.398 0.011 69.350 0.005
1934.0 101.480 0.011 69.359 0.005
1935.0 101.561 0.011 69.368 0.005
1936.0 101.643 0.011 69.377 0.005
1937.0 101.724 0.011 69.386 0.005
1938.0 101.806 0.011 69.394 0.005
1939.0 101.887 0.010 69.403 0.005
1940.0 101.969 0.010 69.412 0.005
1941.0 102.051 0.010 69.421 0.005
1942.0 102.132 0.010 69.430 0.005
1943.0 102.214 0.010 69.438 0.005
1944.0 102.295 0.010 69.447 0.005
1945.0 102.377 0.010 69.456 0.004
1946.0 102.458 0.010 69.465 0.004
1947.0 102.540 0.009 69.473 0.004
1948.0 102.622 0.009 69.482 0.004
1949.0 102.703 0.009 69.491 0.004
1950.0 102.785 0.009 69.500 0.004
1951.0 102.866 0.009 69.508 0.004
1952.0 102.948 0.009 69.517 0.004
1953.0 103.029 0.009 69.525 0.004
1954.0 103.111 0.008 69.534 0.004
1955.0 103.193 0.008 69.543 0.004
1956.0 103.274 0.008 69.551 0.004
1957.0 103.356 0.008 69.560 0.004
1958.0 103.437 0.008 69.568 0.004
1959.0 103.519 0.008 69.577 0.004
1960.0 103.601 0.008 69.586 0.003
1961.0 103.682 0.007 69.594 0.003
1962.0 103.764 0.007 69.603 0.003
1963.0 103.846 0.007 69.611 0.003
1964.0 103.927 0.007 69.620 0.003
1965.0 104.009 0.007 69.628 0.003
1966.0 104.090 0.007 69.637 0.003
1967.0 104.172 0.007 69.645 0.003
1968.0 104.254 0.007 69.653 0.003
1969.0 104.335 0.006 69.662 0.003
1970.0 104.417 0.006 69.670 0.003
1971.0 104.499 0.006 69.679 0.003
1972.0 104.580 0.006 69.687 0.003
1973.0 104.662 0.006 69.695 0.003
1974.0 104.743 0.006 69.704 0.003
1975.0 104.825 0.006 69.712 0.003
1976.0 104.907 0.005 69.720 0.002
1977.0 104.988 0.005 69.729 0.002
1978.0 105.070 0.005 69.737 0.002
1979.0 105.152 0.005 69.745 0.002
1980.0 105.233 0.005 69.754 0.002
1981.0 105.315 0.005 69.762 0.002
1982.0 105.397 0.005 69.770 0.002
1983.0 105.478 0.004 69.778 0.002
1984.0 105.560 0.004 69.787 0.002
1985.0 105.642 0.004 69.795 0.002
1986.0 105.723 0.004 69.803 0.002
1987.0 105.805 0.004 69.811 0.002
1988.0 105.887 0.004 69.819 0.002
1989.0 105.968 0.004 69.828 0.002
1990.0 106.050 0.004 69.836 0.002
1991.0 106.132 0.003 69.844 0.002
1992.0 106.213 0.003 69.852 0.001
1993.0 106.295 0.003 69.860 0.001
1994.0 106.377 0.003 69.868 0.001
1995.0 106.458 0.003 69.876 0.001
1996.0 106.540 0.003 69.884 0.001
1997.0 106.622 0.003 69.892 0.001
1998.0 106.703 0.002 69.901 0.001
1999.0 106.785 0.002 69.909 0.001
2000.0 106.867 0.002 69.917 0.001
2001.0 106.948 0.002 69.925 0.001
2002.0 107.030 0.002 69.933 0.001
2003.0 107.112 0.002 69.941 0.001
2004.0 107.194 0.002 69.949 0.001
2005.0 107.275 0.002 69.957 0.001
2006.0 107.357 0.001 69.965 0.001
2007.0 107.439 0.001 69.972 0.001
2008.0 107.520 0.001 69.980 0.000
2009.0 107.602 0.001 69.988 0.000
2010.0 107.684 0.001 69.996 0.000
2011.0 107.766 0.001 70.004 0.000
2012.0 107.847 0.001 70.012 0.000
2013.0 107.929 0.000 70.020 0.000
2014.0 108.011 0.000 70.028 0.000
2015.0 108.092 0.000 70.036 0.000
2016.0 108.174 0.000 70.043 0.000
2017.0 108.256 0.000 70.051 0.000
2018.0 108.338 0.000 70.059 0.000
2019.0 108.419 0.000 70.067 0.000
2020.0 108.501 0.001 70.075 0.000
2021.0 108.583 0.001 70.082 0.000
2022.0 108.665 0.001 70.090 0.000
2023.0 108.746 0.001 70.098 0.000
2024.0 108.828 0.001 70.106 0.000
2025.0 108.910 0.001 70.113 0.001
2026.0 108.992 0.001 70.121 0.001
2027.0 109.073 0.002 70.129 0.001
2028.0 109.155 0.002 70.137 0.001
2029.0 109.237 0.002 70.144 0.001
2030.0 109.319 0.002 70.152 0.001
2031.0 109.400 0.002 70.160 0.001
2032.0 109.482 0.002 70.167 0.001
2033.0 109.564 0.002 70.175 0.001
2034.0 109.646 0.002 70.182 0.001
2035.0 109.727 0.003 70.190 0.001
2036.0 109.809 0.003 70.198 0.001
2037.0 109.891 0.003 70.205 0.001
2038.0 109.973 0.003 70.213 0.001
2039.0 110.054 0.003 70.220 0.001
2040.0 110.136 0.003 70.228 0.001
2041.0 110.218 0.003 70.236 0.001
2042.0 110.300 0.004 70.243 0.002
2043.0 110.382 0.004 70.251 0.002
2044.0 110.463 0.004 70.258 0.002
2045.0 110.545 0.004 70.266 0.002
2046.0 110.627 0.004 70.273 0.002
2047.0 110.709 0.004 70.281 0.002
2048.0 110.791 0.004 70.288 0.002
2049.0 110.872 0.005 70.296 0.002
2050.0 110.954 0.005 70.303 0.002
2051.0 111.036 0.005 70.310 0.002
2052.0 111.118 0.005 70.318 0.002
2053.0 111.200 0.005 70.325 0.002
2054.0 111.281 0.005 70.333 0.002
2055.0 111.363 0.005 70.340 0.002
2056.0 111.445 0.005 70.347 0.002
2057.0 111.527 0.006 70.355 0.002
2058.0 111.609 0.006 70.362 0.002
2059.0 111.690 0.006 70.370 0.002
2060.0 111.772 0.006 70.377 0.003
2061.0 111.854 0.006 70.384 0.003
2062.0 111.936 0.006 70.392 0.003
2063.0 112.018 0.006 70.399 0.003
2064.0 112.099 0.007 70.406 0.003
2065.0 112.181 0.007 70.413 0.003
2066.0 112.263 0.007 70.421 0.003
2067.0 112.345 0.007 70.428 0.003
2068.0 112.427 0.007 70.435 0.003
2069.0 112.509 0.007 70.442 0.003
2070.0 112.590 0.007 70.450 0.003
2071.0 112.672 0.008 70.457 0.003
2072.0 112.754 0.008 70.464 0.003
2073.0 112.836 0.008 70.471 0.003
2074.0 112.918 0.008 70.478 0.003
2075.0 113.000 0.008 70.486 0.003
2076.0 113.081 0.008 70.493 0.003
2077.0 113.163 0.008 70.500 0.003
2078.0 113.245 0.008 70.507 0.003
2079.0 113.327 0.009 70.514 0.004
2080.0 113.409 0.009 70.521 0.004
2081.0 113.491 0.009 70.529 0.004
2082.0 113.573 0.009 70.536 0.004
2083.0 113.654 0.009 70.543 0.004
2084.0 113.736 0.009 70.550 0.004
2085.0 113.818 0.009 70.557 0.004
2086.0 113.900 0.010 70.564 0.004
2087.0 113.982 0.010 70.571 0.004
2088.0 114.064 0.010 70.578 0.004
2089.0 114.146 0.010 70.585 0.004
2090.0 114.227 0.010 70.592 0.004
2091.0 114.309 0.010 70.599 0.004
2092.0 114.391 0.010 70.606 0.004
2093.0 114.473 0.011 70.613 0.004
2094.0 114.555 0.011 70.620 0.004
2095.0 114.637 0.011 70.627 0.004
2096.0 114.719 0.011 70.634 0.004
2097.0 114.801 0.011 70.641 0.005
2098.0 114.882 0.011 70.648 0.005
2099.0 114.964 0.011 70.655 0.005
2100.0 115.046 0.011 70.662 0.005
WDS ID Discovr Comp # Sep PA Epoch Obs Telescope Camera Note
-------------------------------------------------------------------------------------------------
04564+1331 BU 553 AC 1 108.9" 69.9° B2025.059 HWI 120/900 APO ASI678MM
-- Image of BU-553-AC-taken with Equinox 120/900 APO --
wds_id : 04564+1331
discoverer_code : BU
discoverer_number : 553
discoverer_components : AC
date_first : 1908
date_last : 2013
num_of_obs : 6
pa_first : 68
pa_last : 71
sep_first : 99.4
sep_last : 106.0
mag_primary : 4.21
mag_secondary : 12.07
spectral_type : K2III
primary_proper_motion_RA : -75
primary_proper_motion_DEC : -44
secondary_proper_motion_RA : 11
secondary_proper_motion_DEC : -33
dm_number :
notes : N
precise_coordinate : 045622.32+133052.5
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 3296329370379163520
source_id = 3296329370379163520
random_index = 796836509.0
ref_epoch = 2016.0
ra = 74.09247641162624
ra_error = 0.12779118
dec = 13.51426918734195
dec_error = 0.05108858
parallax = 18.090350443745088
parallax_error = 0.12631278
parallax_over_error = 143.21869
pm = 86.91009
pmra = -74.40773924713935
pmra_error = 0.1411409
pmdec = -44.90936769102837
pmdec_error = 0.105646834
ra_dec_corr = -0.12450607
ra_parallax_corr = -0.07405655
ra_pmra_corr = -0.20887738
ra_pmdec_corr = 0.5147905
dec_parallax_corr = 0.102990136
dec_pmra_corr = 0.34840247
dec_pmdec_corr = -0.13890347
parallax_pmra_corr = 0.3136945
parallax_pmdec_corr = 0.09107006
pmra_pmdec_corr = -0.21373284
astrometric_n_obs_al = 404
astrometric_n_obs_ac = 404
astrometric_n_good_obs_al = 393
astrometric_n_bad_obs_al = 11
astrometric_gof_al = 29.06197
astrometric_chi2_al = 49348.17
astrometric_excess_noise = 0.8444259
astrometric_excess_noise_sig = 1365.8668
astrometric_params_solved = 95
astrometric_primary_flag = false
pseudocolour = 1.4155682
pseudocolour_error = 0.018395722
ra_pseudocolour_corr = 0.014147611
dec_pseudocolour_corr = 0.103582904
parallax_pseudocolour_corr = -0.096140884
pmra_pseudocolour_corr = -0.008472991
pmdec_pseudocolour_corr = 0.024081297
astrometric_matched_transits = 46
visibility_periods_used = 16
astrometric_sigma5d_max = 0.20875537
matched_transits = 46
new_matched_transits = 46
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.047150955
ipd_gof_harmonic_phase = 174.5295
ipd_frac_multi_peak = 2
ipd_frac_odd_win = 0
ruwe = 2.2083843
duplicated_source = false
phot_g_n_obs = 349
phot_g_mean_flux = 612748696.8492457
phot_g_mean_flux_error = 489914.8
phot_g_mean_flux_over_error = 1250.725
phot_g_mean_mag = 3.7191608
phot_bp_n_obs = 41
phot_bp_mean_flux = 249718884.5009271
phot_bp_mean_flux_error = 1070136.0
phot_bp_mean_flux_over_error = 233.35248
phot_bp_mean_mag = 4.344914
phot_rp_n_obs = 44
phot_rp_mean_flux = 508903825.50770193
phot_rp_mean_flux_error = 1283280.4
phot_rp_mean_flux_over_error = 396.5648
phot_rp_mean_mag = 2.9813063
phot_bp_rp_excess_factor = 1.238065
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 = 1.3636076
bp_g = 0.62575316
g_rp = 0.7378545
phot_variable_flag = NOT_AVAILABLE
l = 186.62621580300555
b = -18.052544970246238
ecl_lon = 74.34367181360842
ecl_lat = -9.064612121847999
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 = 1.0252008e-13
classprob_dsc_combmod_galaxy = 5.120826e-13
classprob_dsc_combmod_star = 0.99995077
Star B
solution_id = 1636148068921376768
designation = Gaia DR3 3296329503524729344
source_id = 3296329503524729344
random_index = 1569208773.0
ref_epoch = 2016.0
ra = 74.12152598808596
ra_error = 0.02331609
dec = 13.524523264735729
dec_error = 0.010949693
parallax = 5.491483495586718
parallax_error = 0.024968665
parallax_over_error = 219.93501
pm = 31.806654
pmra = 7.458820487707021
pmra_error = 0.026178982
pmdec = -30.91972217150408
pmdec_error = 0.021138983
ra_dec_corr = 0.021636667
ra_parallax_corr = 0.3576232
ra_pmra_corr = 0.006071978
ra_pmdec_corr = 0.36762655
dec_parallax_corr = -0.064155065
dec_pmra_corr = 0.19296473
dec_pmdec_corr = -0.08091947
parallax_pmra_corr = 0.142545
parallax_pmdec_corr = 0.23157209
pmra_pmdec_corr = 0.12813011
astrometric_n_obs_al = 453
astrometric_n_obs_ac = 453
astrometric_n_good_obs_al = 443
astrometric_n_bad_obs_al = 10
astrometric_gof_al = 16.820225
astrometric_chi2_al = 2346.8828
astrometric_excess_noise = 0.17066292
astrometric_excess_noise_sig = 46.846905
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.4988579
astrometric_matched_transits = 52
visibility_periods_used = 18
astrometric_sigma5d_max = 0.037081398
matched_transits = 53
new_matched_transits = 11
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.030368296
ipd_gof_harmonic_phase = 0.14298138
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.618246
duplicated_source = false
phot_g_n_obs = 444
phot_g_mean_flux = 325586.33572215174
phot_g_mean_flux_error = 266.74948
phot_g_mean_flux_over_error = 1220.5697
phot_g_mean_mag = 11.905702
phot_bp_n_obs = 48
phot_bp_mean_flux = 156225.52998310368
phot_bp_mean_flux_error = 275.80258
phot_bp_mean_flux_over_error = 566.4397
phot_bp_mean_mag = 12.354162
phot_rp_n_obs = 47
phot_rp_mean_flux = 244154.22892231477
phot_rp_mean_flux_error = 282.17776
phot_rp_mean_flux_over_error = 865.2497
phot_rp_mean_mag = 11.278735
phot_bp_rp_excess_factor = 1.2297192
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 = 1.075427
bp_g = 0.44846058
g_rp = 0.6269665
radial_velocity = -27.792618
radial_velocity_error = 0.41269416
rv_method_used = 1
rv_nb_transits = 40
rv_nb_deblended_transits = 11
rv_visibility_periods_used = 15
rv_expected_sig_to_noise = 52.108845
rv_renormalised_gof = 0.26677418
rv_chisq_pvalue = 0.28000826
rv_time_duration = 914.5615
rv_amplitude_robust = 8.4013195
rv_template_teff = 5500.0
rv_template_logg = 4.5
rv_template_fe_h = 0.0
rv_atm_param_origin = 222
grvs_mag = 11.015829
grvs_mag_error = 0.009804894
grvs_mag_nb_transits = 26
phot_variable_flag = NOT_AVAILABLE
l = 186.63434322360976
b = -18.023507337162293
ecl_lon = 74.37324419976883
ecl_lat = -9.057536121407969
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 = 1.0414262e-13
classprob_dsc_combmod_galaxy = 5.2018714e-13
classprob_dsc_combmod_star = 0.99979013
teff_gspphot = 5442.774
teff_gspphot_lower = 5436.1743
teff_gspphot_upper = 5450.1353
logg_gspphot = 4.4952
logg_gspphot_lower = 4.4919
logg_gspphot_upper = 4.5009
mh_gspphot = -0.2622
mh_gspphot_lower = -0.2689
mh_gspphot_upper = -0.2548
distance_gspphot = 173.439
distance_gspphot_lower = 172.3407
distance_gspphot_upper = 174.3474
azero_gspphot = 0.3762
azero_gspphot_lower = 0.3724
azero_gspphot_upper = 0.38
ag_gspphot = 0.3051
ag_gspphot_lower = 0.302
ag_gspphot_upper = 0.3083
ebpminrp_gspphot = 0.1627
ebpminrp_gspphot_lower = 0.161
ebpminrp_gspphot_upper = 0.1644
libname_gspphot = PHOENIX
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 22:21:49 +0100
www.stella-vega.de
