Gaia Source ID - Star A : 3418923714285778432 Simbad
Gaia Source ID - Star B : 3418900242289299328 Simbad
Observation Epoch : J 2025.055 / 2025-01-21
Angular Separation : 18.669" ± 0.9492 mas
Position Angle : 154.85 ± 0.00340 degreesStar A/B Epoch : J 2016.000 / J 2016.000
Angular Separation : 18.321" ± 0.0747 mas
Position Angle : 154.59 ± 0.00029 degrees
LB of Projected Separation (AU): 4705.84 AU
Spatial Separation (pc) : 217.56 ± 31.94 pc
Spatial Separation (ly) : 709.58 ± 104.19 ly
Proper Motion Angular Difference : 2.70 ± 22.05 degrees
Total Proper Motion Difference : 39.62 ± 0.10 mas/yr
Tangential Velocity Difference : 42.78 ± 0.95 km/s
Aladin Lite Sky Atlas
DSS color
DSS blue
2MASS
AllWISE
Gaia Source ID : 3418923714285778432 Simbad 1.59
Parallax over error : 14.885 : good
RUWE : 1.590 : poor astrometric fit, (possible double)
Duplicated source : false : single source
G magnitude : 5.489 : G > 3 mag, photometry reliable
Excess noise : 0.837 : poor fit, model deviation significant
Significance : 1365.348 : possible double star, motion, mismatch
BP-RP excess factor : 1.218 : photometry consistent
Visibility periods : 16 : high, indicates well observed star
IPD multi-peak frac : 89% : mulitple peaks detected (possible double)
IDP GoF harmonic amp: 0.045 : unobtrusive (single star source)
Gaia Source ID : 3418900242289299328 Simbad 1.78
Parallax over error : 120.928 : very good
RUWE : 1.780 : poor astrometric fit, (possible double)
Duplicated source : false : single source
G magnitude : 12.063 : G > 3 mag, photometry reliable
Excess noise : 0.185 : poor fit, model deviation significant
Significance : 59.367 : possible double star, motion, mismatch
BP-RP excess factor : 1.233 : photometry consistent
Visibility periods : 17 : 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 :
217.56 pc, with an uncertainty range of [ 185.61, 249.50] 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:
1.50 %
Relative Total Proper Motion difference:
747.49 %
Relative Tangential Velocity difference:
358.85 %
Estimated CPM Probability:
2.83 %
CPM-Based Evidence factor:
0.001
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 13.906 0.012 149.981 0.058
1901.0 13.944 0.012 150.033 0.057
1902.0 13.981 0.012 150.085 0.056
1903.0 14.019 0.012 150.136 0.056
1904.0 14.057 0.012 150.187 0.055
1905.0 14.094 0.012 150.238 0.054
1906.0 14.132 0.012 150.289 0.054
1907.0 14.169 0.012 150.340 0.053
1908.0 14.207 0.011 150.390 0.053
1909.0 14.245 0.011 150.440 0.052
1910.0 14.282 0.011 150.489 0.051
1911.0 14.320 0.011 150.539 0.051
1912.0 14.358 0.011 150.588 0.050
1913.0 14.395 0.011 150.637 0.050
1914.0 14.433 0.011 150.686 0.049
1915.0 14.471 0.011 150.734 0.048
1916.0 14.508 0.011 150.782 0.048
1917.0 14.546 0.011 150.830 0.047
1918.0 14.584 0.010 150.878 0.047
1919.0 14.622 0.010 150.925 0.046
1920.0 14.659 0.010 150.972 0.045
1921.0 14.697 0.010 151.019 0.045
1922.0 14.735 0.010 151.066 0.044
1923.0 14.773 0.010 151.112 0.044
1924.0 14.810 0.010 151.158 0.043
1925.0 14.848 0.010 151.204 0.043
1926.0 14.886 0.010 151.250 0.042
1927.0 14.924 0.009 151.295 0.041
1928.0 14.962 0.009 151.341 0.041
1929.0 15.000 0.009 151.386 0.040
1930.0 15.037 0.009 151.431 0.040
1931.0 15.075 0.009 151.475 0.039
1932.0 15.113 0.009 151.520 0.039
1933.0 15.151 0.009 151.564 0.038
1934.0 15.189 0.009 151.608 0.038
1935.0 15.227 0.009 151.651 0.037
1936.0 15.265 0.008 151.695 0.036
1937.0 15.303 0.008 151.738 0.036
1938.0 15.341 0.008 151.781 0.035
1939.0 15.378 0.008 151.824 0.035
1940.0 15.416 0.008 151.866 0.034
1941.0 15.454 0.008 151.909 0.034
1942.0 15.492 0.008 151.951 0.033
1943.0 15.530 0.008 151.993 0.033
1944.0 15.568 0.008 152.035 0.032
1945.0 15.606 0.008 152.077 0.032
1946.0 15.644 0.007 152.118 0.031
1947.0 15.682 0.007 152.159 0.031
1948.0 15.720 0.007 152.200 0.030
1949.0 15.758 0.007 152.241 0.030
1950.0 15.796 0.007 152.281 0.029
1951.0 15.834 0.007 152.322 0.029
1952.0 15.872 0.007 152.362 0.028
1953.0 15.910 0.007 152.402 0.028
1954.0 15.948 0.007 152.442 0.027
1955.0 15.987 0.006 152.482 0.027
1956.0 16.025 0.006 152.521 0.026
1957.0 16.063 0.006 152.560 0.026
1958.0 16.101 0.006 152.599 0.025
1959.0 16.139 0.006 152.638 0.025
1960.0 16.177 0.006 152.677 0.024
1961.0 16.215 0.006 152.715 0.024
1962.0 16.253 0.006 152.754 0.023
1963.0 16.291 0.006 152.792 0.023
1964.0 16.329 0.005 152.830 0.022
1965.0 16.368 0.005 152.868 0.022
1966.0 16.406 0.005 152.905 0.021
1967.0 16.444 0.005 152.943 0.021
1968.0 16.482 0.005 152.980 0.020
1969.0 16.520 0.005 153.017 0.020
1970.0 16.558 0.005 153.054 0.019
1971.0 16.596 0.005 153.091 0.019
1972.0 16.635 0.005 153.128 0.018
1973.0 16.673 0.005 153.164 0.018
1974.0 16.711 0.004 153.200 0.018
1975.0 16.749 0.004 153.236 0.017
1976.0 16.787 0.004 153.272 0.017
1977.0 16.826 0.004 153.308 0.016
1978.0 16.864 0.004 153.344 0.016
1979.0 16.902 0.004 153.379 0.015
1980.0 16.940 0.004 153.414 0.015
1981.0 16.979 0.004 153.450 0.014
1982.0 17.017 0.004 153.485 0.014
1983.0 17.055 0.003 153.519 0.014
1984.0 17.093 0.003 153.554 0.013
1985.0 17.132 0.003 153.589 0.013
1986.0 17.170 0.003 153.623 0.012
1987.0 17.208 0.003 153.657 0.012
1988.0 17.246 0.003 153.691 0.011
1989.0 17.285 0.003 153.725 0.011
1990.0 17.323 0.003 153.759 0.011
1991.0 17.361 0.003 153.792 0.010
1992.0 17.400 0.003 153.826 0.010
1993.0 17.438 0.002 153.859 0.009
1994.0 17.476 0.002 153.892 0.009
1995.0 17.515 0.002 153.925 0.008
1996.0 17.553 0.002 153.958 0.008
1997.0 17.591 0.002 153.991 0.008
1998.0 17.630 0.002 154.024 0.007
1999.0 17.668 0.002 154.056 0.007
2000.0 17.706 0.002 154.088 0.006
2001.0 17.745 0.002 154.120 0.006
2002.0 17.783 0.001 154.152 0.006
2003.0 17.821 0.001 154.184 0.005
2004.0 17.860 0.001 154.216 0.005
2005.0 17.898 0.001 154.248 0.004
2006.0 17.937 0.001 154.279 0.004
2007.0 17.975 0.001 154.311 0.004
2008.0 18.013 0.001 154.342 0.003
2009.0 18.052 0.001 154.373 0.003
2010.0 18.090 0.001 154.404 0.002
2011.0 18.129 0.001 154.435 0.002
2012.0 18.167 0.000 154.465 0.002
2013.0 18.205 0.000 154.496 0.001
2014.0 18.244 0.000 154.526 0.001
2015.0 18.282 0.000 154.557 0.000
2016.0 18.321 0.000 154.587 0.000
2017.0 18.359 0.000 154.617 0.000
2018.0 18.398 0.000 154.647 0.001
2019.0 18.436 0.000 154.676 0.001
2020.0 18.475 0.000 154.706 0.002
2021.0 18.513 0.001 154.736 0.002
2022.0 18.552 0.001 154.765 0.002
2023.0 18.590 0.001 154.794 0.003
2024.0 18.628 0.001 154.824 0.003
2025.0 18.667 0.001 154.853 0.003
2026.0 18.705 0.001 154.882 0.004
2027.0 18.744 0.001 154.910 0.004
2028.0 18.782 0.001 154.939 0.004
2029.0 18.821 0.001 154.968 0.005
2030.0 18.859 0.001 154.996 0.005
2031.0 18.898 0.002 155.025 0.006
2032.0 18.937 0.002 155.053 0.006
2033.0 18.975 0.002 155.081 0.006
2034.0 19.014 0.002 155.109 0.007
2035.0 19.052 0.002 155.137 0.007
2036.0 19.091 0.002 155.165 0.007
2037.0 19.129 0.002 155.192 0.008
2038.0 19.168 0.002 155.220 0.008
2039.0 19.206 0.002 155.247 0.008
2040.0 19.245 0.003 155.275 0.009
2041.0 19.283 0.003 155.302 0.009
2042.0 19.322 0.003 155.329 0.009
2043.0 19.361 0.003 155.356 0.010
2044.0 19.399 0.003 155.383 0.010
2045.0 19.438 0.003 155.410 0.010
2046.0 19.476 0.003 155.436 0.011
2047.0 19.515 0.003 155.463 0.011
2048.0 19.553 0.003 155.489 0.012
2049.0 19.592 0.003 155.516 0.012
2050.0 19.631 0.004 155.542 0.012
2051.0 19.669 0.004 155.568 0.013
2052.0 19.708 0.004 155.594 0.013
2053.0 19.746 0.004 155.620 0.013
2054.0 19.785 0.004 155.646 0.014
2055.0 19.824 0.004 155.672 0.014
2056.0 19.862 0.004 155.698 0.014
2057.0 19.901 0.004 155.723 0.014
2058.0 19.940 0.004 155.749 0.015
2059.0 19.978 0.004 155.774 0.015
2060.0 20.017 0.005 155.799 0.015
2061.0 20.055 0.005 155.824 0.016
2062.0 20.094 0.005 155.850 0.016
2063.0 20.133 0.005 155.874 0.016
2064.0 20.171 0.005 155.899 0.017
2065.0 20.210 0.005 155.924 0.017
2066.0 20.249 0.005 155.949 0.017
2067.0 20.287 0.005 155.973 0.018
2068.0 20.326 0.005 155.998 0.018
2069.0 20.365 0.006 156.022 0.018
2070.0 20.403 0.006 156.047 0.019
2071.0 20.442 0.006 156.071 0.019
2072.0 20.481 0.006 156.095 0.019
2073.0 20.519 0.006 156.119 0.020
2074.0 20.558 0.006 156.143 0.020
2075.0 20.597 0.006 156.167 0.020
2076.0 20.635 0.006 156.191 0.020
2077.0 20.674 0.006 156.214 0.021
2078.0 20.713 0.006 156.238 0.021
2079.0 20.752 0.007 156.261 0.021
2080.0 20.790 0.007 156.285 0.022
2081.0 20.829 0.007 156.308 0.022
2082.0 20.868 0.007 156.332 0.022
2083.0 20.906 0.007 156.355 0.023
2084.0 20.945 0.007 156.378 0.023
2085.0 20.984 0.007 156.401 0.023
2086.0 21.023 0.007 156.424 0.023
2087.0 21.061 0.007 156.446 0.024
2088.0 21.100 0.007 156.469 0.024
2089.0 21.139 0.008 156.492 0.024
2090.0 21.178 0.008 156.514 0.025
2091.0 21.216 0.008 156.537 0.025
2092.0 21.255 0.008 156.559 0.025
2093.0 21.294 0.008 156.582 0.026
2094.0 21.333 0.008 156.604 0.026
2095.0 21.371 0.008 156.626 0.026
2096.0 21.410 0.008 156.648 0.026
2097.0 21.449 0.008 156.670 0.027
2098.0 21.488 0.009 156.692 0.027
2099.0 21.526 0.009 156.714 0.027
2100.0 21.565 0.009 156.736 0.027
WDS ID Discovr Comp # Sep PA Epoch Obs Telescope Camera Note
-------------------------------------------------------------------------------------------------
05081+2416 EDG 2 AB 1 18.9" 154.7° B2025.059 HWI 120/900 APO ASI678MM
-- Image of EDG-2-AB-taken with Equinox 120/900 APO --
wds_id : 05081+2416
discoverer_code : EDG
discoverer_number : 2
discoverer_components : AB
date_first : 1878
date_last : 2011
num_of_obs : 5
pa_first : 148
pa_last : 154
sep_first : 12.9
sep_last : 17.9
mag_primary : 5.51
mag_secondary : 11.0
spectral_type : B2V
primary_proper_motion_RA : 1
primary_proper_motion_DEC : -5
secondary_proper_motion_RA :
secondary_proper_motion_DEC :
dm_number : +24 755
notes : N
precise_coordinate : 050806.62+241554.6
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 3418923714285778432
source_id = 3418923714285778432
random_index = 1510165487.0
ref_epoch = 2016.0
ra = 77.02759687732525
ra_error = 0.10609538
dec = 24.265151295623276
dec_error = 0.06611886
parallax = 2.107853572314568
parallax_error = 0.14161396
parallax_over_error = 14.884503
pm = 5.300953
pmra = 0.7650088779011497
pmra_error = 0.13614999
pmdec = -5.245460977364
pmdec_error = 0.096211344
ra_dec_corr = 0.16658387
ra_parallax_corr = -0.03351947
ra_pmra_corr = -0.0038712092
ra_pmdec_corr = 0.18889391
dec_parallax_corr = -0.34840032
dec_pmra_corr = 0.27907184
dec_pmdec_corr = -0.5992285
parallax_pmra_corr = 0.0797472
parallax_pmdec_corr = 0.57049954
pmra_pmdec_corr = 0.054936245
astrometric_n_obs_al = 448
astrometric_n_obs_ac = 448
astrometric_n_good_obs_al = 439
astrometric_n_bad_obs_al = 9
astrometric_gof_al = 16.143684
astrometric_chi2_al = 41036.39
astrometric_excess_noise = 0.8369685
astrometric_excess_noise_sig = 1365.3475
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.7376522
astrometric_matched_transits = 51
visibility_periods_used = 16
astrometric_sigma5d_max = 0.18957226
matched_transits = 52
new_matched_transits = 34
matched_transits_removed = 9
ipd_gof_harmonic_amplitude = 0.04504676
ipd_gof_harmonic_phase = 175.24913
ipd_frac_multi_peak = 89
ipd_frac_odd_win = 0
ruwe = 1.5944046
duplicated_source = false
phot_g_n_obs = 433
phot_g_mean_flux = 120006934.85775831
phot_g_mean_flux_error = 99136.07
phot_g_mean_flux_over_error = 1210.5275
phot_g_mean_mag = 5.489351
phot_bp_n_obs = 47
phot_bp_mean_flux = 88331624.1910623
phot_bp_mean_flux_error = 63534.844
phot_bp_mean_flux_over_error = 1390.2864
phot_bp_mean_mag = 5.473252
phot_rp_n_obs = 45
phot_rp_mean_flux = 57836225.43238886
phot_rp_mean_flux_error = 68314.28
phot_rp_mean_flux_over_error = 846.6198
phot_rp_mean_mag = 5.342396
phot_bp_rp_excess_factor = 1.217995
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 = 0.13085604
bp_g = -0.016098976
g_rp = 0.14695501
phot_variable_flag = NOT_AVAILABLE
l = 179.24937521567887
b = -9.563742452850445
ecl_lon = 78.18767407090706
ecl_lat = 1.356242846268788
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 = 1.1590612e-09
classprob_dsc_combmod_galaxy = 5.2205056e-13
classprob_dsc_combmod_star = 0.9997858
Star B
solution_id = 1636148068921376768
designation = Gaia DR3 3418900242289299328
source_id = 3418900242289299328
random_index = 529114913.0
ref_epoch = 2016.0
ra = 77.02999239600531
ra_error = 0.024715874
dec = 24.260554614974573
dec_error = 0.015533784
parallax = 3.8932014300766604
parallax_error = 0.03219431
parallax_over_error = 120.92825
pm = 44.924934
pmra = 8.56676492436856
pmra_error = 0.030804198
pmdec = -44.10056946780088
pmdec_error = 0.02240241
ra_dec_corr = 0.10336378
ra_parallax_corr = 0.0786691
ra_pmra_corr = -0.024052989
ra_pmdec_corr = 0.25915182
dec_parallax_corr = -0.39642826
dec_pmra_corr = 0.1455347
dec_pmdec_corr = -0.5873094
parallax_pmra_corr = 0.2052667
parallax_pmdec_corr = 0.5643088
pmra_pmdec_corr = 0.21623175
astrometric_n_obs_al = 474
astrometric_n_obs_ac = 474
astrometric_n_good_obs_al = 464
astrometric_n_bad_obs_al = 10
astrometric_gof_al = 21.42842
astrometric_chi2_al = 2625.5227
astrometric_excess_noise = 0.18452139
astrometric_excess_noise_sig = 59.36748
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.490438
astrometric_matched_transits = 54
visibility_periods_used = 17
astrometric_sigma5d_max = 0.04439434
matched_transits = 54
new_matched_transits = 35
matched_transits_removed = 1
ipd_gof_harmonic_amplitude = 0.041739635
ipd_gof_harmonic_phase = 4.3787932
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.7841198
duplicated_source = false
phot_g_n_obs = 410
phot_g_mean_flux = 281703.19296279585
phot_g_mean_flux_error = 53.231987
phot_g_mean_flux_over_error = 5291.9907
phot_g_mean_mag = 12.062887
phot_bp_n_obs = 44
phot_bp_mean_flux = 131720.58135859447
phot_bp_mean_flux_error = 123.98117
phot_bp_mean_flux_over_error = 1062.4241
phot_bp_mean_mag = 12.539408
phot_rp_n_obs = 46
phot_rp_mean_flux = 215560.30539955347
phot_rp_mean_flux_error = 171.79153
phot_rp_mean_flux_over_error = 1254.7784
phot_rp_mean_mag = 11.413974
phot_bp_rp_excess_factor = 1.23279
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 1
phot_rp_n_contaminated_transits = 2
phot_rp_n_blended_transits = 0
phot_proc_mode = 0
bp_rp = 1.1254339
bp_g = 0.47652054
g_rp = 0.6489134
radial_velocity = 39.977844
radial_velocity_error = 0.8657624
rv_method_used = 1
rv_nb_transits = 13
rv_nb_deblended_transits = 2
rv_visibility_periods_used = 10
rv_expected_sig_to_noise = 29.93328
rv_renormalised_gof = -0.91650844
rv_chisq_pvalue = 0.887073
rv_time_duration = 884.17053
rv_amplitude_robust = 4.7424583
rv_template_teff = 4750.0
rv_template_logg = 3.0
rv_template_fe_h = -1.0
rv_atm_param_origin = 111
vbroad = 9.691218
vbroad_error = 11.576615
vbroad_nb_transits = 9
grvs_mag = 11.058398
grvs_mag_error = 0.08101579
grvs_mag_nb_transits = 11
phot_variable_flag = NOT_AVAILABLE
l = 179.25445352687996
b = -9.564648929518675
ecl_lon = 78.1894392272844
ecl_lat = 1.3514694877399276
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 = 1.0321855e-13
classprob_dsc_combmod_galaxy = 5.1557147e-13
classprob_dsc_combmod_star = 0.99988157
teff_gspphot = 5135.5312
teff_gspphot_lower = 5117.4575
teff_gspphot_upper = 5146.0493
logg_gspphot = 4.2371
logg_gspphot_lower = 4.2184
logg_gspphot_upper = 4.2453
mh_gspphot = -0.6385
mh_gspphot_lower = -0.6556
mh_gspphot_upper = -0.6269
distance_gspphot = 259.8727
distance_gspphot_lower = 256.789
distance_gspphot_upper = 265.8576
azero_gspphot = 0.3492
azero_gspphot_lower = 0.3353
azero_gspphot_upper = 0.3568
ag_gspphot = 0.281
ag_gspphot_lower = 0.2697
ag_gspphot_upper = 0.2873
ebpminrp_gspphot = 0.1515
ebpminrp_gspphot_lower = 0.1454
ebpminrp_gspphot_upper = 0.1549
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 22:22:47 +0100
www.stella-vega.de
