Gaia Source ID - Star A : 1932184981928941696 Simbad
Gaia Source ID - Star B : 1932184977632611456 Simbad
Observation Epoch : J 2024.680 / 2024-09-06
Angular Separation : 9.475" ± 0.2697 mas
Position Angle : 250.77 ± 0.00200 degreesStar A/B Epoch : J 2016.000 / J 2016.000
Angular Separation : 9.534" ± 0.0203 mas
Position Angle : 249.51 ± 0.00016 degrees
LB of Projected Separation (AU): 2438.28 AU
Spatial Separation (pc) : 461.32 ± 7.78 pc
Spatial Separation (ly) : 1504.63 ± 25.38 ly
Proper Motion Angular Difference : 39.38 ± 1.27 degrees
Total Proper Motion Difference : 23.51 ± 0.04 mas/yr
Tangential Velocity Difference : 16.50 ± 0.40 km/s
Radial Velocity Difference : 3.54 ± 0.60 km/s
Space Velocity Difference : 14.68 ± 0.55 km/s
Aladin Lite Sky Atlas
DSS color
DSS blue
2MASS
AllWISE
Gaia Source ID : 1932184981928941696 Simbad
Parallax over error : 101.129 : very good
RUWE : 1.120 : good astrometric fit (single star)
Duplicated source : false : single source
G magnitude : 5.410 : G > 3 mag, photometry reliable
Excess noise : 0.295 : poor fit, model deviation significant
Significance : 162.056 : possible double star, motion, mismatch
BP-RP excess factor : 1.300 : photometry inconsistent
Visibility periods : 19 : high, indicates well observed star
IPD multi-peak frac : 4% : mulitple peaks detected (possible double)
IDP GoF harmonic amp: 0.012 : unobtrusive (single star source)
Gaia Source ID : 1932184977632611456 Simbad
Parallax over error : 97.462 : very good
RUWE : 1.240 : good astrometric fit (single star)
Duplicated source : false : single source
G magnitude : 12.154 : G > 3 mag, photometry reliable
Excess noise : 0.097 : poor fit, model deviation significant
Significance : 15.689 : possible double star, motion, mismatch
BP-RP excess factor : 1.271 : photometry consistent
Visibility periods : 21 : high, indicates well observed star
IPD multi-peak frac : 0% : single peak detected
IDP GoF harmonic amp: 0.002 : unobtrusive (single star source)
Spatial separation :
461.32 pc, with an uncertainty range of [ 453.54, 469.10] 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:
21.88 %
Relative Total Proper Motion difference:
428.31 %
Relative Tangential Velocity difference:
88.43 %
Relative Radial Velocity difference:
-14.09 %
Relative Space Velocity difference:
51.46 %
Estimated CPM Probability:
0.25 %
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 10.717 0.004 234.466 0.022
1901.0 10.704 0.004 234.580 0.022
1902.0 10.691 0.004 234.694 0.022
1903.0 10.678 0.004 234.809 0.021
1904.0 10.665 0.004 234.924 0.021
1905.0 10.652 0.004 235.040 0.021
1906.0 10.640 0.004 235.155 0.021
1907.0 10.627 0.004 235.271 0.021
1908.0 10.614 0.004 235.387 0.021
1909.0 10.602 0.004 235.504 0.021
1910.0 10.589 0.004 235.620 0.020
1911.0 10.576 0.004 235.737 0.020
1912.0 10.564 0.003 235.855 0.020
1913.0 10.551 0.003 235.972 0.020
1914.0 10.539 0.003 236.090 0.020
1915.0 10.527 0.003 236.208 0.020
1916.0 10.514 0.003 236.326 0.019
1917.0 10.502 0.003 236.445 0.019
1918.0 10.490 0.003 236.564 0.019
1919.0 10.477 0.003 236.683 0.019
1920.0 10.465 0.003 236.803 0.019
1921.0 10.453 0.003 236.922 0.019
1922.0 10.441 0.003 237.043 0.018
1923.0 10.429 0.003 237.163 0.018
1924.0 10.417 0.003 237.283 0.018
1925.0 10.405 0.003 237.404 0.018
1926.0 10.393 0.003 237.525 0.018
1927.0 10.381 0.003 237.647 0.018
1928.0 10.370 0.003 237.769 0.017
1929.0 10.358 0.003 237.891 0.017
1930.0 10.346 0.003 238.013 0.017
1931.0 10.335 0.003 238.135 0.017
1932.0 10.323 0.003 238.258 0.017
1933.0 10.311 0.003 238.381 0.017
1934.0 10.300 0.003 238.505 0.016
1935.0 10.288 0.003 238.628 0.016
1936.0 10.277 0.003 238.752 0.016
1937.0 10.266 0.003 238.876 0.016
1938.0 10.254 0.003 239.001 0.016
1939.0 10.243 0.003 239.126 0.015
1940.0 10.232 0.002 239.251 0.015
1941.0 10.221 0.002 239.376 0.015
1942.0 10.210 0.002 239.501 0.015
1943.0 10.198 0.002 239.627 0.015
1944.0 10.187 0.002 239.753 0.015
1945.0 10.176 0.002 239.880 0.014
1946.0 10.166 0.002 240.006 0.014
1947.0 10.155 0.002 240.133 0.014
1948.0 10.144 0.002 240.261 0.014
1949.0 10.133 0.002 240.388 0.014
1950.0 10.122 0.002 240.516 0.013
1951.0 10.112 0.002 240.644 0.013
1952.0 10.101 0.002 240.772 0.013
1953.0 10.090 0.002 240.901 0.013
1954.0 10.080 0.002 241.029 0.013
1955.0 10.069 0.002 241.159 0.013
1956.0 10.059 0.002 241.288 0.012
1957.0 10.049 0.002 241.417 0.012
1958.0 10.038 0.002 241.547 0.012
1959.0 10.028 0.002 241.678 0.012
1960.0 10.018 0.002 241.808 0.012
1961.0 10.008 0.002 241.939 0.011
1962.0 9.998 0.002 242.070 0.011
1963.0 9.988 0.002 242.201 0.011
1964.0 9.978 0.002 242.332 0.011
1965.0 9.968 0.002 242.464 0.011
1966.0 9.958 0.002 242.596 0.010
1967.0 9.948 0.002 242.728 0.010
1968.0 9.938 0.002 242.861 0.010
1969.0 9.928 0.002 242.994 0.010
1970.0 9.919 0.001 243.127 0.010
1971.0 9.909 0.001 243.260 0.009
1972.0 9.899 0.001 243.394 0.009
1973.0 9.890 0.001 243.527 0.009
1974.0 9.880 0.001 243.661 0.009
1975.0 9.871 0.001 243.796 0.009
1976.0 9.862 0.001 243.930 0.008
1977.0 9.852 0.001 244.065 0.008
1978.0 9.843 0.001 244.200 0.008
1979.0 9.834 0.001 244.336 0.008
1980.0 9.825 0.001 244.471 0.008
1981.0 9.816 0.001 244.607 0.007
1982.0 9.807 0.001 244.743 0.007
1983.0 9.798 0.001 244.880 0.007
1984.0 9.789 0.001 245.016 0.007
1985.0 9.780 0.001 245.153 0.007
1986.0 9.771 0.001 245.290 0.006
1987.0 9.762 0.001 245.428 0.006
1988.0 9.754 0.001 245.565 0.006
1989.0 9.745 0.001 245.703 0.006
1990.0 9.736 0.001 245.841 0.006
1991.0 9.728 0.001 245.979 0.005
1992.0 9.719 0.001 246.118 0.005
1993.0 9.711 0.001 246.257 0.005
1994.0 9.703 0.001 246.396 0.005
1995.0 9.694 0.001 246.535 0.005
1996.0 9.686 0.001 246.675 0.004
1997.0 9.678 0.001 246.814 0.004
1998.0 9.670 0.001 246.954 0.004
1999.0 9.662 0.001 247.095 0.004
2000.0 9.654 0.001 247.235 0.003
2001.0 9.646 0.000 247.376 0.003
2002.0 9.638 0.000 247.517 0.003
2003.0 9.630 0.000 247.658 0.003
2004.0 9.622 0.000 247.799 0.003
2005.0 9.615 0.000 247.941 0.002
2006.0 9.607 0.000 248.083 0.002
2007.0 9.599 0.000 248.225 0.002
2008.0 9.592 0.000 248.367 0.002
2009.0 9.584 0.000 248.510 0.002
2010.0 9.577 0.000 248.653 0.001
2011.0 9.569 0.000 248.795 0.001
2012.0 9.562 0.000 248.939 0.001
2013.0 9.555 0.000 249.082 0.001
2014.0 9.548 0.000 249.226 0.000
2015.0 9.541 0.000 249.370 0.000
2016.0 9.534 0.000 249.514 0.000
2017.0 9.527 0.000 249.658 0.000
2018.0 9.520 0.000 249.802 0.000
2019.0 9.513 0.000 249.947 0.001
2020.0 9.506 0.000 250.092 0.001
2021.0 9.499 0.000 250.237 0.001
2022.0 9.492 0.000 250.382 0.001
2023.0 9.486 0.000 250.528 0.002
2024.0 9.479 0.000 250.673 0.002
2025.0 9.473 0.000 250.819 0.002
2026.0 9.466 0.000 250.966 0.002
2027.0 9.460 0.000 251.112 0.002
2028.0 9.453 0.000 251.258 0.003
2029.0 9.447 0.000 251.405 0.003
2030.0 9.441 0.000 251.552 0.003
2031.0 9.435 0.000 251.699 0.003
2032.0 9.429 0.000 251.846 0.004
2033.0 9.423 0.001 251.994 0.004
2034.0 9.417 0.001 252.141 0.004
2035.0 9.411 0.001 252.289 0.004
2036.0 9.405 0.001 252.437 0.005
2037.0 9.399 0.001 252.586 0.005
2038.0 9.394 0.001 252.734 0.005
2039.0 9.388 0.001 252.882 0.005
2040.0 9.382 0.001 253.031 0.005
2041.0 9.377 0.001 253.180 0.006
2042.0 9.371 0.001 253.329 0.006
2043.0 9.366 0.001 253.479 0.006
2044.0 9.361 0.001 253.628 0.006
2045.0 9.355 0.001 253.778 0.007
2046.0 9.350 0.001 253.927 0.007
2047.0 9.345 0.001 254.077 0.007
2048.0 9.340 0.001 254.227 0.007
2049.0 9.335 0.001 254.378 0.008
2050.0 9.330 0.001 254.528 0.008
2051.0 9.325 0.001 254.679 0.008
2052.0 9.320 0.001 254.829 0.008
2053.0 9.316 0.001 254.980 0.009
2054.0 9.311 0.001 255.131 0.009
2055.0 9.306 0.001 255.283 0.009
2056.0 9.302 0.001 255.434 0.009
2057.0 9.297 0.001 255.585 0.009
2058.0 9.293 0.001 255.737 0.010
2059.0 9.289 0.001 255.889 0.010
2060.0 9.284 0.001 256.041 0.010
2061.0 9.280 0.001 256.193 0.010
2062.0 9.276 0.001 256.345 0.011
2063.0 9.272 0.001 256.497 0.011
2064.0 9.268 0.001 256.650 0.011
2065.0 9.264 0.001 256.803 0.011
2066.0 9.260 0.002 256.955 0.012
2067.0 9.256 0.002 257.108 0.012
2068.0 9.252 0.002 257.261 0.012
2069.0 9.249 0.002 257.414 0.012
2070.0 9.245 0.002 257.567 0.013
2071.0 9.241 0.002 257.721 0.013
2072.0 9.238 0.002 257.874 0.013
2073.0 9.234 0.002 258.028 0.013
2074.0 9.231 0.002 258.182 0.014
2075.0 9.228 0.002 258.335 0.014
2076.0 9.224 0.002 258.489 0.014
2077.0 9.221 0.002 258.643 0.014
2078.0 9.218 0.002 258.798 0.015
2079.0 9.215 0.002 258.952 0.015
2080.0 9.212 0.002 259.106 0.015
2081.0 9.209 0.002 259.261 0.015
2082.0 9.206 0.002 259.415 0.015
2083.0 9.204 0.002 259.570 0.016
2084.0 9.201 0.002 259.724 0.016
2085.0 9.198 0.002 259.879 0.016
2086.0 9.196 0.002 260.034 0.016
2087.0 9.193 0.002 260.189 0.017
2088.0 9.191 0.002 260.344 0.017
2089.0 9.188 0.002 260.499 0.017
2090.0 9.186 0.002 260.655 0.017
2091.0 9.184 0.002 260.810 0.018
2092.0 9.182 0.002 260.965 0.018
2093.0 9.180 0.002 261.121 0.018
2094.0 9.178 0.002 261.276 0.018
2095.0 9.176 0.002 261.432 0.019
2096.0 9.174 0.002 261.587 0.019
2097.0 9.172 0.002 261.743 0.019
2098.0 9.170 0.002 261.899 0.019
2099.0 9.168 0.002 262.055 0.020
2100.0 9.167 0.003 262.211 0.020
WDS ID Discovr Comp # Sep PA Epoch Obs Telescope Camera Note
-------------------------------------------------------------------------------------------------
22441+3928 BU 450 AC 1 9.14" 249.46° B2024.685 HWI 120/900 APO ASI678MM
-- Image of BU-450-AC-taken with Equinox 120/900 APO --
wds_id : 22441+3928
discoverer_code : BU
discoverer_number : 450
discoverer_components : AC
date_first : 1876
date_last : 2024
num_of_obs : 14
pa_first : 232
pa_last : 250
sep_first : 10.2
sep_last : 9.1
mag_primary : 6.18
mag_secondary : 11.7
spectral_type : K5III
primary_proper_motion_RA : -2
primary_proper_motion_DEC : -46
secondary_proper_motion_RA :
secondary_proper_motion_DEC :
dm_number :
notes : N
precise_coordinate : 224405.21+392755.5
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 1932184981928941696
source_id = 1932184981928941696
random_index = 150397675.0
ref_epoch = 2016.0
ra = 341.0217716041557
ra_error = 0.022699751
dec = 39.465221964008904
dec_error = 0.026230272
parallax = 3.90993390120502
parallax_error = 0.038662754
parallax_over_error = 101.12921
pm = 28.994492
pmra = 6.102511917192722
pmra_error = 0.03558317
pmdec = -28.345016011621773
pmdec_error = 0.036509234
ra_dec_corr = -0.17671049
ra_parallax_corr = 0.0732053
ra_pmra_corr = 0.14604054
ra_pmdec_corr = -0.23354147
dec_parallax_corr = 0.11443892
dec_pmra_corr = -0.20891091
dec_pmdec_corr = -0.19671924
parallax_pmra_corr = -0.03635639
parallax_pmdec_corr = -0.13152912
pmra_pmdec_corr = -0.32240367
astrometric_n_obs_al = 396
astrometric_n_obs_ac = 396
astrometric_n_good_obs_al = 382
astrometric_n_bad_obs_al = 14
astrometric_gof_al = 3.1322818
astrometric_chi2_al = 5895.371
astrometric_excess_noise = 0.2952592
astrometric_excess_noise_sig = 162.05583
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.3811184
astrometric_matched_transits = 45
visibility_periods_used = 19
astrometric_sigma5d_max = 0.057637822
matched_transits = 54
new_matched_transits = 17
matched_transits_removed = 19
ipd_gof_harmonic_amplitude = 0.012451917
ipd_gof_harmonic_phase = 44.06365
ipd_frac_multi_peak = 4
ipd_frac_odd_win = 0
ruwe = 1.1152959
duplicated_source = false
phot_g_n_obs = 449
phot_g_mean_flux = 129088049.75172876
phot_g_mean_flux_error = 49612.746
phot_g_mean_flux_over_error = 2601.913
phot_g_mean_mag = 5.410152
phot_bp_n_obs = 49
phot_bp_mean_flux = 42793558.670176245
phot_bp_mean_flux_error = 47392.953
phot_bp_mean_flux_over_error = 902.9519
phot_bp_mean_mag = 6.260096
phot_rp_n_obs = 48
phot_rp_mean_flux = 125042539.19952966
phot_rp_mean_flux_error = 167117.11
phot_rp_mean_flux_over_error = 748.23303
phot_rp_mean_mag = 4.505251
phot_bp_rp_excess_factor = 1.3001676
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 = 1.7548451
bp_g = 0.8499441
g_rp = 0.904901
radial_velocity = -25.115929
radial_velocity_error = 0.12560844
rv_method_used = 1
rv_nb_transits = 24
rv_nb_deblended_transits = 0
rv_visibility_periods_used = 16
rv_expected_sig_to_noise = 1509.6152
rv_chisq_pvalue = 0.026334653
rv_time_duration = 1009.6489
rv_amplitude_robust = 0.78297615
rv_template_teff = 4000.0
rv_template_logg = 1.5
rv_template_fe_h = -0.25
rv_atm_param_origin = 222
vbroad = 9.198273
vbroad_error = 0.57315165
vbroad_nb_transits = 20
grvs_mag = 4.1569357
grvs_mag_error = 0.0063231327
grvs_mag_nb_transits = 24
phot_variable_flag = NOT_AVAILABLE
l = 97.71409368798803
b = -17.090286680948026
ecl_lon = 1.76402371262951
ecl_lat = 43.08073602273507
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 = 1.0217283e-13
classprob_dsc_combmod_galaxy = 5.1034817e-13
classprob_dsc_combmod_star = 0.9999851
Star B
solution_id = 1636148068921376768
designation = Gaia DR3 1932184977632611456
source_id = 1932184977632611456
random_index = 1252851210.0
ref_epoch = 2016.0
ra = 341.018558329652
ra_error = 0.008957713
dec = 39.4642950874997
dec_error = 0.011666521
parallax = 1.3945410570863561
parallax_error = 0.014308587
parallax_over_error = 97.46183
pm = 5.4881372
pmra = 4.296895000975676
pmra_error = 0.014424707
pmdec = -3.41413870466679
pmdec_error = 0.0171542
ra_dec_corr = -0.07159729
ra_parallax_corr = 0.20052812
ra_pmra_corr = -0.066924244
ra_pmdec_corr = -0.14771247
dec_parallax_corr = 0.1496627
dec_pmra_corr = -0.08355365
dec_pmdec_corr = -0.42346868
parallax_pmra_corr = -0.070156045
parallax_pmdec_corr = -0.1670103
pmra_pmdec_corr = -0.26761842
astrometric_n_obs_al = 450
astrometric_n_obs_ac = 450
astrometric_n_good_obs_al = 442
astrometric_n_bad_obs_al = 8
astrometric_gof_al = 6.834185
astrometric_chi2_al = 1065.6919
astrometric_excess_noise = 0.09653457
astrometric_excess_noise_sig = 15.689326
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.4533584
astrometric_matched_transits = 52
visibility_periods_used = 21
astrometric_sigma5d_max = 0.025516272
matched_transits = 66
new_matched_transits = 24
matched_transits_removed = 1
ipd_gof_harmonic_amplitude = 0.0021702482
ipd_gof_harmonic_phase = 45.79903
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.2390405
duplicated_source = false
phot_g_n_obs = 391
phot_g_mean_flux = 258980.42001973957
phot_g_mean_flux_error = 85.92828
phot_g_mean_flux_over_error = 3013.9136
phot_g_mean_mag = 12.1542
phot_bp_n_obs = 32
phot_bp_mean_flux = 112549.35700385294
phot_bp_mean_flux_error = 185.88402
phot_bp_mean_flux_over_error = 605.4816
phot_bp_mean_mag = 12.710185
phot_rp_n_obs = 33
phot_rp_mean_flux = 216678.86332332282
phot_rp_mean_flux_error = 573.9808
phot_rp_mean_flux_over_error = 377.50195
phot_rp_mean_mag = 11.408354
phot_bp_rp_excess_factor = 1.2712475
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 0
phot_rp_n_contaminated_transits = 1
phot_rp_n_blended_transits = 0
phot_proc_mode = 0
bp_rp = 1.3018312
bp_g = 0.55598545
g_rp = 0.7458458
radial_velocity = -21.57832
radial_velocity_error = 0.5849315
rv_method_used = 1
rv_nb_transits = 14
rv_nb_deblended_transits = 3
rv_visibility_periods_used = 10
rv_expected_sig_to_noise = 48.065975
rv_renormalised_gof = -1.084838
rv_chisq_pvalue = 0.80524886
rv_time_duration = 686.95135
rv_amplitude_robust = 6.3140793
rv_template_teff = 5500.0
rv_template_logg = 3.5
rv_template_fe_h = 0.75
rv_atm_param_origin = 111
grvs_mag = 10.635155
grvs_mag_error = 0.091781564
grvs_mag_nb_transits = 10
phot_variable_flag = NOT_AVAILABLE
l = 97.71135674563222
b = -17.089875537516754
ecl_lon = 1.7604588030725674
ecl_lat = 43.08121907601034
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 = 1.0262172e-13
classprob_dsc_combmod_galaxy = 5.1259035e-13
classprob_dsc_combmod_star = 0.99994063
teff_gspphot = 5076.234
teff_gspphot_lower = 5061.105
teff_gspphot_upper = 5133.093
logg_gspphot = 3.4224
logg_gspphot_lower = 3.3465
logg_gspphot_upper = 3.5271
mh_gspphot = -0.2036
mh_gspphot_lower = -0.247
mh_gspphot_upper = -0.1756
distance_gspphot = 650.487
distance_gspphot_lower = 586.5181
distance_gspphot_upper = 712.1692
azero_gspphot = 0.5814
azero_gspphot_lower = 0.569
azero_gspphot_upper = 0.6202
ag_gspphot = 0.4571
ag_gspphot_lower = 0.4469
ag_gspphot_upper = 0.4881
ebpminrp_gspphot = 0.2425
ebpminrp_gspphot_lower = 0.237
ebpminrp_gspphot_upper = 0.259
libname_gspphot = PHOENIX
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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 22:21:31 +0100
www.stella-vega.de
