Gaia Source ID - Star A : 2047705377292317312 Simbad
Gaia Source ID - Star B : 2047705372974571648 Simbad
Observation Epoch : J 2024.719 / 2024-09-20
Angular Separation : 7.963" ± 0.1702 mas
Position Angle : 100.49 ± 0.00150 degreesStar A/B Epoch : J 2016.000 / J 2016.000
Angular Separation : 7.951" ± 0.0151 mas
Position Angle : 100.48 ± 0.00014 degrees
LB of Projected Separation (AU): 17101.96 AU
Spatial Separation (pc) : 4395.03 ± 752.06 pc
Spatial Separation (ly) : 14334.68 ± 2452.90 ly
Proper Motion Angular Difference : 25.38 ± 7.67 degrees
Total Proper Motion Difference : 0.05 ± 0.03 mas/yr
Tangential Velocity Difference : 60.72 ± 10.50 km/s
Radial Velocity Difference : 2.85 ± 0.46 km/s
Space Velocity Difference : 59.99 ± 10.39 km/s
Aladin Lite Sky Atlas
DSS color
DSS blue
2MASS
AllWISE
Gaia Source ID : 2047705377292317312 Simbad
Parallax over error : 26.459 : very good
RUWE : 1.020 : good astrometric fit (single star)
Duplicated source : false : single source
G magnitude : 11.158 : G > 3 mag, photometry reliable
Excess noise : 0.156 : poor fit, model deviation significant
Significance : 34.859 : possible double star, motion, mismatch
BP-RP excess factor : 1.372 : photometry inconsistent
Visibility periods : 26 : high, indicates well observed star
IPD multi-peak frac : 1% : mulitple peaks detected (possible double)
IDP GoF harmonic amp: 0.005 : unobtrusive (single star source)
Gaia Source ID : 2047705372974571648 Simbad
Parallax over error : 8.755 : moderate
RUWE : 0.940 : good astrometric fit (single star)
Duplicated source : false : single source
G magnitude : 11.770 : G > 3 mag, photometry reliable
Excess noise : 0.155 : poor fit, model deviation significant
Significance : 30.510 : possible double star, motion, mismatch
BP-RP excess factor : 1.434 : photometry inconsistent
Visibility periods : 26 : high, indicates well observed star
IPD multi-peak frac : 0% : single peak detected
IDP GoF harmonic amp: 0.015 : unobtrusive (single star source)
Spatial separation :
4395.03 pc, with an uncertainty range of [ 3642.97, 5147.09] 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:
14.10 %
Relative Total Proper Motion difference:
1.67 %
Relative Tangential Velocity difference:
199.35 %
Relative Radial Velocity difference:
27.95 %
Relative Space Velocity difference:
186.74 %
Estimated CPM Probability:
4.13 %
CPM-Based Evidence factor:
0.002
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 7.802 0.002 100.300 0.020
1901.0 7.804 0.002 100.302 0.020
1902.0 7.805 0.002 100.304 0.020
1903.0 7.806 0.002 100.305 0.019
1904.0 7.807 0.002 100.307 0.019
1905.0 7.809 0.002 100.308 0.019
1906.0 7.810 0.002 100.310 0.019
1907.0 7.811 0.002 100.311 0.019
1908.0 7.813 0.002 100.313 0.019
1909.0 7.814 0.002 100.314 0.018
1910.0 7.815 0.002 100.316 0.018
1911.0 7.816 0.002 100.317 0.018
1912.0 7.818 0.002 100.319 0.018
1913.0 7.819 0.002 100.320 0.018
1914.0 7.820 0.002 100.322 0.018
1915.0 7.822 0.002 100.324 0.017
1916.0 7.823 0.002 100.325 0.017
1917.0 7.824 0.002 100.327 0.017
1918.0 7.825 0.002 100.328 0.017
1919.0 7.827 0.002 100.330 0.017
1920.0 7.828 0.002 100.331 0.017
1921.0 7.829 0.002 100.333 0.016
1922.0 7.831 0.002 100.334 0.016
1923.0 7.832 0.002 100.336 0.016
1924.0 7.833 0.002 100.337 0.016
1925.0 7.834 0.002 100.339 0.016
1926.0 7.836 0.002 100.340 0.015
1927.0 7.837 0.002 100.342 0.015
1928.0 7.838 0.002 100.343 0.015
1929.0 7.840 0.002 100.345 0.015
1930.0 7.841 0.002 100.346 0.015
1931.0 7.842 0.002 100.348 0.015
1932.0 7.843 0.002 100.350 0.014
1933.0 7.845 0.002 100.351 0.014
1934.0 7.846 0.002 100.353 0.014
1935.0 7.847 0.002 100.354 0.014
1936.0 7.849 0.002 100.356 0.014
1937.0 7.850 0.002 100.357 0.014
1938.0 7.851 0.002 100.359 0.013
1939.0 7.852 0.001 100.360 0.013
1940.0 7.854 0.001 100.362 0.013
1941.0 7.855 0.001 100.363 0.013
1942.0 7.856 0.001 100.365 0.013
1943.0 7.858 0.001 100.366 0.013
1944.0 7.859 0.001 100.368 0.012
1945.0 7.860 0.001 100.369 0.012
1946.0 7.861 0.001 100.371 0.012
1947.0 7.863 0.001 100.372 0.012
1948.0 7.864 0.001 100.374 0.012
1949.0 7.865 0.001 100.375 0.011
1950.0 7.867 0.001 100.377 0.011
1951.0 7.868 0.001 100.378 0.011
1952.0 7.869 0.001 100.380 0.011
1953.0 7.870 0.001 100.381 0.011
1954.0 7.872 0.001 100.383 0.011
1955.0 7.873 0.001 100.384 0.010
1956.0 7.874 0.001 100.386 0.010
1957.0 7.876 0.001 100.388 0.010
1958.0 7.877 0.001 100.389 0.010
1959.0 7.878 0.001 100.391 0.010
1960.0 7.879 0.001 100.392 0.010
1961.0 7.881 0.001 100.394 0.009
1962.0 7.882 0.001 100.395 0.009
1963.0 7.883 0.001 100.397 0.009
1964.0 7.885 0.001 100.398 0.009
1965.0 7.886 0.001 100.400 0.009
1966.0 7.887 0.001 100.401 0.009
1967.0 7.888 0.001 100.403 0.008
1968.0 7.890 0.001 100.404 0.008
1969.0 7.891 0.001 100.406 0.008
1970.0 7.892 0.001 100.407 0.008
1971.0 7.894 0.001 100.409 0.008
1972.0 7.895 0.001 100.410 0.008
1973.0 7.896 0.001 100.412 0.007
1974.0 7.897 0.001 100.413 0.007
1975.0 7.899 0.001 100.415 0.007
1976.0 7.900 0.001 100.416 0.007
1977.0 7.901 0.001 100.418 0.007
1978.0 7.903 0.001 100.419 0.006
1979.0 7.904 0.001 100.421 0.006
1980.0 7.905 0.001 100.422 0.006
1981.0 7.906 0.001 100.424 0.006
1982.0 7.908 0.001 100.425 0.006
1983.0 7.909 0.001 100.427 0.006
1984.0 7.910 0.001 100.428 0.005
1985.0 7.912 0.001 100.430 0.005
1986.0 7.913 0.001 100.431 0.005
1987.0 7.914 0.001 100.433 0.005
1988.0 7.915 0.001 100.434 0.005
1989.0 7.917 0.001 100.436 0.005
1990.0 7.918 0.001 100.437 0.004
1991.0 7.919 0.000 100.439 0.004
1992.0 7.921 0.000 100.440 0.004
1993.0 7.922 0.000 100.442 0.004
1994.0 7.923 0.000 100.443 0.004
1995.0 7.924 0.000 100.445 0.004
1996.0 7.926 0.000 100.446 0.003
1997.0 7.927 0.000 100.448 0.003
1998.0 7.928 0.000 100.449 0.003
1999.0 7.930 0.000 100.451 0.003
2000.0 7.931 0.000 100.452 0.003
2001.0 7.932 0.000 100.454 0.003
2002.0 7.933 0.000 100.455 0.002
2003.0 7.935 0.000 100.457 0.002
2004.0 7.936 0.000 100.458 0.002
2005.0 7.937 0.000 100.460 0.002
2006.0 7.939 0.000 100.461 0.002
2007.0 7.940 0.000 100.463 0.002
2008.0 7.941 0.000 100.464 0.001
2009.0 7.942 0.000 100.466 0.001
2010.0 7.944 0.000 100.467 0.001
2011.0 7.945 0.000 100.468 0.001
2012.0 7.946 0.000 100.470 0.001
2013.0 7.948 0.000 100.471 0.001
2014.0 7.949 0.000 100.473 0.000
2015.0 7.950 0.000 100.474 0.000
2016.0 7.951 0.000 100.476 0.000
2017.0 7.953 0.000 100.477 0.000
2018.0 7.954 0.000 100.479 0.000
2019.0 7.955 0.000 100.480 0.001
2020.0 7.957 0.000 100.482 0.001
2021.0 7.958 0.000 100.483 0.001
2022.0 7.959 0.000 100.485 0.001
2023.0 7.960 0.000 100.486 0.001
2024.0 7.962 0.000 100.488 0.001
2025.0 7.963 0.000 100.489 0.002
2026.0 7.964 0.000 100.491 0.002
2027.0 7.966 0.000 100.492 0.002
2028.0 7.967 0.000 100.494 0.002
2029.0 7.968 0.000 100.495 0.002
2030.0 7.969 0.000 100.497 0.002
2031.0 7.971 0.000 100.498 0.003
2032.0 7.972 0.000 100.500 0.003
2033.0 7.973 0.000 100.501 0.003
2034.0 7.975 0.000 100.503 0.003
2035.0 7.976 0.000 100.504 0.003
2036.0 7.977 0.000 100.505 0.003
2037.0 7.978 0.000 100.507 0.004
2038.0 7.980 0.000 100.508 0.004
2039.0 7.981 0.000 100.510 0.004
2040.0 7.982 0.000 100.511 0.004
2041.0 7.984 0.000 100.513 0.004
2042.0 7.985 0.001 100.514 0.004
2043.0 7.986 0.001 100.516 0.005
2044.0 7.987 0.001 100.517 0.005
2045.0 7.989 0.001 100.519 0.005
2046.0 7.990 0.001 100.520 0.005
2047.0 7.991 0.001 100.522 0.005
2048.0 7.993 0.001 100.523 0.005
2049.0 7.994 0.001 100.525 0.006
2050.0 7.995 0.001 100.526 0.006
2051.0 7.996 0.001 100.528 0.006
2052.0 7.998 0.001 100.529 0.006
2053.0 7.999 0.001 100.530 0.006
2054.0 8.000 0.001 100.532 0.006
2055.0 8.002 0.001 100.533 0.007
2056.0 8.003 0.001 100.535 0.007
2057.0 8.004 0.001 100.536 0.007
2058.0 8.005 0.001 100.538 0.007
2059.0 8.007 0.001 100.539 0.007
2060.0 8.008 0.001 100.541 0.007
2061.0 8.009 0.001 100.542 0.008
2062.0 8.011 0.001 100.544 0.008
2063.0 8.012 0.001 100.545 0.008
2064.0 8.013 0.001 100.547 0.008
2065.0 8.015 0.001 100.548 0.008
2066.0 8.016 0.001 100.549 0.008
2067.0 8.017 0.001 100.551 0.009
2068.0 8.018 0.001 100.552 0.009
2069.0 8.020 0.001 100.554 0.009
2070.0 8.021 0.001 100.555 0.009
2071.0 8.022 0.001 100.557 0.009
2072.0 8.024 0.001 100.558 0.009
2073.0 8.025 0.001 100.560 0.010
2074.0 8.026 0.001 100.561 0.010
2075.0 8.027 0.001 100.563 0.010
2076.0 8.029 0.001 100.564 0.010
2077.0 8.030 0.001 100.566 0.010
2078.0 8.031 0.001 100.567 0.010
2079.0 8.033 0.001 100.568 0.011
2080.0 8.034 0.001 100.570 0.011
2081.0 8.035 0.001 100.571 0.011
2082.0 8.036 0.001 100.573 0.011
2083.0 8.038 0.001 100.574 0.011
2084.0 8.039 0.001 100.576 0.011
2085.0 8.040 0.001 100.577 0.012
2086.0 8.042 0.001 100.579 0.012
2087.0 8.043 0.001 100.580 0.012
2088.0 8.044 0.001 100.581 0.012
2089.0 8.045 0.001 100.583 0.012
2090.0 8.047 0.001 100.584 0.012
2091.0 8.048 0.001 100.586 0.013
2092.0 8.049 0.001 100.587 0.013
2093.0 8.051 0.001 100.589 0.013
2094.0 8.052 0.002 100.590 0.013
2095.0 8.053 0.002 100.592 0.013
2096.0 8.054 0.002 100.593 0.013
2097.0 8.056 0.002 100.595 0.014
2098.0 8.057 0.002 100.596 0.014
2099.0 8.058 0.002 100.597 0.014
2100.0 8.060 0.002 100.599 0.014
WDS ID Discovr Comp # Sep PA Epoch Obs Telescope Camera Note
-------------------------------------------------------------------------------------------------
19503+3558 DAM 182 AB 1 7.97" 100.30° B2024.685 HWI 120/900 APO ASI678MM
19503+3558 DAM 182 AB 2 7.93" 100.64° B2024.723 HWI 120/900 APO ASI678MM
-- Image of DAM-182-AB-taken with Equinox 120/900 APO --
wds_id : 19503+3558
discoverer_code : DAM
discoverer_number : 182
discoverer_components : AB
date_first : 1998
date_last : 2024
num_of_obs : 3
pa_first : 60
pa_last : 101
sep_first : 7.8
sep_last : 7.9
mag_primary : 11.2
mag_secondary : 11.8
spectral_type :
primary_proper_motion_RA : -2
primary_proper_motion_DEC : -2
secondary_proper_motion_RA : 0
secondary_proper_motion_DEC : -3
dm_number :
notes : S
precise_coordinate : 195016.05+355800.3
WDS Notes:
----------
S: Statistically different parallax/proper motion: non-physical
Click to expand/collapse the Gaia Input Data:
Star A
solution_id = 1636148068921376768
designation = Gaia DR3 2047705377292317312
source_id = 2047705377292317312
random_index = 695516870.0
ref_epoch = 2016.0
ra = 297.5669044945825
ra_error = 0.013024077
dec = 35.96672122849809
dec_error = 0.016103407
parallax = 0.4649445167370039
parallax_error = 0.017572546
parallax_over_error = 26.458574
pm = 2.9874358
pmra = -1.6864908729237316
pmra_error = 0.016602743
pmdec = -2.4658712936127003
pmdec_error = 0.019792141
ra_dec_corr = -0.070227735
ra_parallax_corr = 0.06353041
ra_pmra_corr = -0.037528332
ra_pmdec_corr = -0.1676511
dec_parallax_corr = 0.1317848
dec_pmra_corr = -0.15580066
dec_pmdec_corr = -0.27557817
parallax_pmra_corr = -0.09613374
parallax_pmdec_corr = -0.15969582
pmra_pmdec_corr = -0.15750353
astrometric_n_obs_al = 395
astrometric_n_obs_ac = 395
astrometric_n_good_obs_al = 395
astrometric_n_bad_obs_al = 0
astrometric_gof_al = 0.54239124
astrometric_chi2_al = 1570.022
astrometric_excess_noise = 0.15633546
astrometric_excess_noise_sig = 34.859215
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.3057518
astrometric_matched_transits = 45
visibility_periods_used = 26
astrometric_sigma5d_max = 0.028462593
matched_transits = 48
new_matched_transits = 21
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.004651287
ipd_gof_harmonic_phase = 175.8419
ipd_frac_multi_peak = 1
ipd_frac_odd_win = 0
ruwe = 1.0186234
duplicated_source = false
phot_g_n_obs = 404
phot_g_mean_flux = 648428.36560097
phot_g_mean_flux_error = 232.12427
phot_g_mean_flux_over_error = 2793.4536
phot_g_mean_mag = 11.157712
phot_bp_n_obs = 44
phot_bp_mean_flux = 152920.30343534792
phot_bp_mean_flux_error = 223.89645
phot_bp_mean_flux_over_error = 682.99567
phot_bp_mean_mag = 12.377379
phot_rp_n_obs = 44
phot_rp_mean_flux = 736457.1068751888
phot_rp_mean_flux_error = 589.8176
phot_rp_mean_flux_over_error = 1248.6183
phot_rp_mean_mag = 10.080027
phot_bp_rp_excess_factor = 1.3715893
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 = 2.2973528
bp_g = 1.2196674
g_rp = 1.0776854
radial_velocity = 10.201042
radial_velocity_error = 0.18523394
rv_method_used = 1
rv_nb_transits = 9
rv_nb_deblended_transits = 6
rv_visibility_periods_used = 8
rv_expected_sig_to_noise = 63.894184
rv_renormalised_gof = -1.180622
rv_chisq_pvalue = 0.81016755
rv_time_duration = 887.1949
rv_amplitude_robust = 1.0126371
rv_template_teff = 4500.0
rv_template_logg = 1.5
rv_template_fe_h = -1.0
rv_atm_param_origin = 111
grvs_mag = 9.607979
grvs_mag_error = 0.022052303
grvs_mag_nb_transits = 3
phot_variable_flag = NOT_AVAILABLE
l = 71.14847399461786
b = 4.871954947307732
ecl_lon = 311.4137335668694
ecl_lat = 55.51205381279185
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 = 1.02354316e-13
classprob_dsc_combmod_galaxy = 5.112546e-13
classprob_dsc_combmod_star = 0.9999671
Star B
solution_id = 1636148068921376768
designation = Gaia DR3 2047705372974571648
source_id = 2047705372974571648
random_index = 1519806834.0
ref_epoch = 2016.0
ra = 297.56958799344255
ra_error = 0.012867955
dec = 35.9663196014163
dec_error = 0.015926877
parallax = 0.15276910626923199
parallax_error = 0.017449103
parallax_over_error = 8.755126
pm = 2.9383612
pmra = -0.4590361819208551
pmra_error = 0.01674493
pmdec = -2.902284010194136
pmdec_error = 0.019725142
ra_dec_corr = -0.12987123
ra_parallax_corr = 0.10107931
ra_pmra_corr = -0.0318409
ra_pmdec_corr = -0.16096032
dec_parallax_corr = 0.16766575
dec_pmra_corr = -0.16262825
dec_pmdec_corr = -0.23271753
parallax_pmra_corr = -0.120122135
parallax_pmdec_corr = -0.18006988
pmra_pmdec_corr = -0.17410438
astrometric_n_obs_al = 411
astrometric_n_obs_ac = 411
astrometric_n_good_obs_al = 410
astrometric_n_bad_obs_al = 1
astrometric_gof_al = -1.627775
astrometric_chi2_al = 1423.8776
astrometric_excess_noise = 0.15508303
astrometric_excess_noise_sig = 30.510044
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.2666162
astrometric_matched_transits = 47
visibility_periods_used = 26
astrometric_sigma5d_max = 0.028401345
matched_transits = 48
new_matched_transits = 21
matched_transits_removed = 0
ipd_gof_harmonic_amplitude = 0.015453963
ipd_gof_harmonic_phase = 15.109124
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 0.94254744
duplicated_source = false
phot_g_n_obs = 410
phot_g_mean_flux = 369081.88119836815
phot_g_mean_flux_error = 566.19977
phot_g_mean_flux_over_error = 651.85803
phot_g_mean_mag = 11.76956
phot_bp_n_obs = 46
phot_bp_mean_flux = 67220.5910234727
phot_bp_mean_flux_error = 507.80417
phot_bp_mean_flux_over_error = 132.37503
phot_bp_mean_mag = 13.269787
phot_rp_n_obs = 46
phot_rp_mean_flux = 462212.3043835717
phot_rp_mean_flux_error = 1617.9225
phot_rp_mean_flux_over_error = 285.6826
phot_rp_mean_mag = 10.585792
phot_bp_rp_excess_factor = 1.4344592
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 1
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 1
phot_proc_mode = 0
bp_rp = 2.6839952
bp_g = 1.500227
g_rp = 1.1837683
radial_velocity = 13.052539
radial_velocity_error = 0.4178239
rv_method_used = 1
rv_nb_transits = 11
rv_nb_deblended_transits = 7
rv_visibility_periods_used = 9
rv_expected_sig_to_noise = 53.111115
rv_renormalised_gof = 2.8841982
rv_chisq_pvalue = 0.00017769764
rv_time_duration = 828.38684
rv_amplitude_robust = 3.3595495
rv_template_teff = 3700.0
rv_template_logg = 0.5
rv_template_fe_h = 0.0
rv_atm_param_origin = 440
grvs_mag = 10.036612
grvs_mag_error = 0.031909138
grvs_mag_nb_transits = 4
phot_variable_flag = NOT_AVAILABLE
l = 71.14922347633451
b = 4.86987628018629
ecl_lon = 311.4171302714341
ecl_lat = 55.510967881806955
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 = 1.0294707e-13
classprob_dsc_combmod_galaxy = 5.1421546e-13
classprob_dsc_combmod_star = 0.99990845
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 22:22:28 +0100
www.stella-vega.de
