Gaia Source ID - Star A : 683827272481778304 Simbad
Gaia Source ID - Star B : 683827276778595456 Simbad
Observation Epoch : J 2024.248 / 2024-04-01
Angular Separation : 3.520" ± 0.6736 mas
Position Angle : 349.41 ± 0.01310 degreesStar A/B Epoch : J 2016.000 / J 2016.000
Angular Separation : 3.524" ± 0.0672 mas
Position Angle : 349.61 ± 0.00130 degrees
LB of Projected Separation (AU): 873.28 AU
Spatial Separation (pc) : 7.27 ± 6.88 pc
Spatial Separation (ly) : 23.71 ± 22.44 ly
Proper Motion Angular Difference : 7.39 ± 3.38 degrees
Total Proper Motion Difference : 0.32 ± 0.09 mas/yr
Tangential Velocity Difference : 0.04 ± 0.41 km/s
Aladin Lite Sky Atlas
DSS color
DSS blue
2MASS
AllWISE
Gaia Source ID : 683827272481778304 Simbad 1.99
Parallax over error : 40.945 : very good
RUWE : 1.990 : poor astrometric fit, (possible double)
Duplicated source : false : single source
G magnitude : 6.668 : G > 3 mag, photometry reliable
Excess noise : 0.656 : poor fit, model deviation significant
Significance : 420.075 : possible double star, motion, mismatch
BP-RP excess factor : 1.162 : photometry consistent
Visibility periods : 18 : high, indicates well observed star
IPD multi-peak frac : 0% : single peak detected
IDP GoF harmonic amp: 0.084 : slight indication of structure
Gaia Source ID : 683827276778595456 Simbad 1.58
Parallax over error : 84.885 : very good
RUWE : 1.580 : poor astrometric fit, (possible double)
Duplicated source : false : single source
G magnitude : 7.374 : G > 3 mag, photometry reliable
Excess noise : 0.341 : poor fit, model deviation significant
Significance : 82.024 : possible double star, motion, mismatch
BP-RP excess factor : 1.175 : photometry consistent
Visibility periods : 19 : high, indicates well observed star
IPD multi-peak frac : 1% : mulitple peaks detected (possible double)
IDP GoF harmonic amp: 0.012 : unobtrusive (single star source)
Spatial separation :
1499592.0 AU, with an uncertainty range of [ 80684.1, 2918499.8] 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:
4.11 %
Relative Total Proper Motion difference:
2.64 %
Relative Tangential Velocity difference:
0.29 %
Estimated CPM Probability:
96.01 %
CPM-Based Evidence factor:
0.922
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 3.593 0.009 352.384 0.180
1901.0 3.592 0.009 352.361 0.179
1902.0 3.592 0.009 352.337 0.177
1903.0 3.591 0.009 352.314 0.176
1904.0 3.590 0.009 352.291 0.174
1905.0 3.590 0.009 352.267 0.173
1906.0 3.589 0.009 352.244 0.171
1907.0 3.588 0.009 352.220 0.170
1908.0 3.588 0.009 352.197 0.168
1909.0 3.587 0.009 352.173 0.166
1910.0 3.587 0.009 352.150 0.165
1911.0 3.586 0.009 352.126 0.163
1912.0 3.585 0.008 352.103 0.162
1913.0 3.585 0.008 352.079 0.160
1914.0 3.584 0.008 352.056 0.159
1915.0 3.584 0.008 352.032 0.157
1916.0 3.583 0.008 352.008 0.156
1917.0 3.582 0.008 351.985 0.154
1918.0 3.582 0.008 351.961 0.153
1919.0 3.581 0.008 351.938 0.151
1920.0 3.580 0.008 351.914 0.150
1921.0 3.580 0.008 351.891 0.148
1922.0 3.579 0.008 351.867 0.147
1923.0 3.579 0.008 351.843 0.145
1924.0 3.578 0.007 351.820 0.143
1925.0 3.577 0.007 351.796 0.142
1926.0 3.577 0.007 351.772 0.140
1927.0 3.576 0.007 351.749 0.139
1928.0 3.576 0.007 351.725 0.137
1929.0 3.575 0.007 351.701 0.136
1930.0 3.574 0.007 351.678 0.134
1931.0 3.574 0.007 351.654 0.133
1932.0 3.573 0.007 351.630 0.131
1933.0 3.573 0.007 351.607 0.130
1934.0 3.572 0.007 351.583 0.128
1935.0 3.571 0.007 351.559 0.126
1936.0 3.571 0.006 351.536 0.125
1937.0 3.570 0.006 351.512 0.123
1938.0 3.570 0.006 351.488 0.122
1939.0 3.569 0.006 351.464 0.120
1940.0 3.568 0.006 351.441 0.119
1941.0 3.568 0.006 351.417 0.117
1942.0 3.567 0.006 351.393 0.116
1943.0 3.567 0.006 351.369 0.114
1944.0 3.566 0.006 351.346 0.113
1945.0 3.565 0.006 351.322 0.111
1946.0 3.565 0.006 351.298 0.109
1947.0 3.564 0.006 351.274 0.108
1948.0 3.564 0.006 351.250 0.106
1949.0 3.563 0.005 351.227 0.105
1950.0 3.562 0.005 351.203 0.103
1951.0 3.562 0.005 351.179 0.102
1952.0 3.561 0.005 351.155 0.100
1953.0 3.561 0.005 351.131 0.099
1954.0 3.560 0.005 351.107 0.097
1955.0 3.559 0.005 351.084 0.096
1956.0 3.559 0.005 351.060 0.094
1957.0 3.558 0.005 351.036 0.092
1958.0 3.558 0.005 351.012 0.091
1959.0 3.557 0.005 350.988 0.089
1960.0 3.556 0.005 350.964 0.088
1961.0 3.556 0.004 350.940 0.086
1962.0 3.555 0.004 350.916 0.085
1963.0 3.555 0.004 350.892 0.083
1964.0 3.554 0.004 350.868 0.082
1965.0 3.554 0.004 350.844 0.080
1966.0 3.553 0.004 350.821 0.078
1967.0 3.552 0.004 350.797 0.077
1968.0 3.552 0.004 350.773 0.075
1969.0 3.551 0.004 350.749 0.074
1970.0 3.551 0.004 350.725 0.072
1971.0 3.550 0.004 350.701 0.071
1972.0 3.549 0.004 350.677 0.069
1973.0 3.549 0.003 350.653 0.068
1974.0 3.548 0.003 350.629 0.066
1975.0 3.548 0.003 350.605 0.064
1976.0 3.547 0.003 350.581 0.063
1977.0 3.547 0.003 350.557 0.061
1978.0 3.546 0.003 350.532 0.060
1979.0 3.545 0.003 350.508 0.058
1980.0 3.545 0.003 350.484 0.057
1981.0 3.544 0.003 350.460 0.055
1982.0 3.544 0.003 350.436 0.053
1983.0 3.543 0.003 350.412 0.052
1984.0 3.543 0.003 350.388 0.050
1985.0 3.542 0.003 350.364 0.049
1986.0 3.541 0.002 350.340 0.047
1987.0 3.541 0.002 350.316 0.046
1988.0 3.540 0.002 350.292 0.044
1989.0 3.540 0.002 350.267 0.043
1990.0 3.539 0.002 350.243 0.041
1991.0 3.539 0.002 350.219 0.039
1992.0 3.538 0.002 350.195 0.038
1993.0 3.537 0.002 350.171 0.036
1994.0 3.537 0.002 350.147 0.035
1995.0 3.536 0.002 350.123 0.033
1996.0 3.536 0.002 350.098 0.032
1997.0 3.535 0.002 350.074 0.030
1998.0 3.535 0.001 350.050 0.028
1999.0 3.534 0.001 350.026 0.027
2000.0 3.533 0.001 350.001 0.025
2001.0 3.533 0.001 349.977 0.024
2002.0 3.532 0.001 349.953 0.022
2003.0 3.532 0.001 349.929 0.021
2004.0 3.531 0.001 349.905 0.019
2005.0 3.531 0.001 349.880 0.017
2006.0 3.530 0.001 349.856 0.016
2007.0 3.529 0.001 349.832 0.014
2008.0 3.529 0.001 349.807 0.013
2009.0 3.528 0.001 349.783 0.011
2010.0 3.528 0.000 349.759 0.010
2011.0 3.527 0.000 349.735 0.008
2012.0 3.527 0.000 349.710 0.006
2013.0 3.526 0.000 349.686 0.005
2014.0 3.526 0.000 349.662 0.003
2015.0 3.525 0.000 349.637 0.002
2016.0 3.524 0.000 349.613 0.001
2017.0 3.524 0.000 349.589 0.002
2018.0 3.523 0.000 349.564 0.003
2019.0 3.523 0.000 349.540 0.005
2020.0 3.522 0.000 349.516 0.006
2021.0 3.522 0.000 349.491 0.008
2022.0 3.521 0.000 349.467 0.010
2023.0 3.521 0.001 349.442 0.011
2024.0 3.520 0.001 349.418 0.013
2025.0 3.520 0.001 349.394 0.014
2026.0 3.519 0.001 349.369 0.016
2027.0 3.518 0.001 349.345 0.017
2028.0 3.518 0.001 349.320 0.019
2029.0 3.517 0.001 349.296 0.021
2030.0 3.517 0.001 349.271 0.022
2031.0 3.516 0.001 349.247 0.024
2032.0 3.516 0.001 349.222 0.025
2033.0 3.515 0.001 349.198 0.027
2034.0 3.515 0.001 349.174 0.029
2035.0 3.514 0.002 349.149 0.030
2036.0 3.514 0.002 349.125 0.032
2037.0 3.513 0.002 349.100 0.033
2038.0 3.512 0.002 349.076 0.035
2039.0 3.512 0.002 349.051 0.036
2040.0 3.511 0.002 349.026 0.038
2041.0 3.511 0.002 349.002 0.040
2042.0 3.510 0.002 348.977 0.041
2043.0 3.510 0.002 348.953 0.043
2044.0 3.509 0.002 348.928 0.044
2045.0 3.509 0.002 348.904 0.046
2046.0 3.508 0.002 348.879 0.048
2047.0 3.508 0.003 348.855 0.049
2048.0 3.507 0.003 348.830 0.051
2049.0 3.507 0.003 348.805 0.052
2050.0 3.506 0.003 348.781 0.054
2051.0 3.506 0.003 348.756 0.056
2052.0 3.505 0.003 348.732 0.057
2053.0 3.504 0.003 348.707 0.059
2054.0 3.504 0.003 348.682 0.060
2055.0 3.503 0.003 348.658 0.062
2056.0 3.503 0.003 348.633 0.063
2057.0 3.502 0.003 348.608 0.065
2058.0 3.502 0.003 348.584 0.067
2059.0 3.501 0.003 348.559 0.068
2060.0 3.501 0.004 348.534 0.070
2061.0 3.500 0.004 348.510 0.071
2062.0 3.500 0.004 348.485 0.073
2063.0 3.499 0.004 348.460 0.075
2064.0 3.499 0.004 348.436 0.076
2065.0 3.498 0.004 348.411 0.078
2066.0 3.498 0.004 348.386 0.079
2067.0 3.497 0.004 348.362 0.081
2068.0 3.497 0.004 348.337 0.083
2069.0 3.496 0.004 348.312 0.084
2070.0 3.496 0.004 348.287 0.086
2071.0 3.495 0.004 348.263 0.087
2072.0 3.495 0.005 348.238 0.089
2073.0 3.494 0.005 348.213 0.091
2074.0 3.493 0.005 348.188 0.092
2075.0 3.493 0.005 348.164 0.094
2076.0 3.492 0.005 348.139 0.095
2077.0 3.492 0.005 348.114 0.097
2078.0 3.491 0.005 348.089 0.099
2079.0 3.491 0.005 348.064 0.100
2080.0 3.490 0.005 348.039 0.102
2081.0 3.490 0.005 348.015 0.103
2082.0 3.489 0.005 347.990 0.105
2083.0 3.489 0.005 347.965 0.107
2084.0 3.488 0.006 347.940 0.108
2085.0 3.488 0.006 347.915 0.110
2086.0 3.487 0.006 347.890 0.111
2087.0 3.487 0.006 347.866 0.113
2088.0 3.486 0.006 347.841 0.115
2089.0 3.486 0.006 347.816 0.116
2090.0 3.485 0.006 347.791 0.118
2091.0 3.485 0.006 347.766 0.120
2092.0 3.484 0.006 347.741 0.121
2093.0 3.484 0.006 347.716 0.123
2094.0 3.483 0.006 347.691 0.124
2095.0 3.483 0.006 347.666 0.126
2096.0 3.482 0.007 347.641 0.128
2097.0 3.482 0.007 347.616 0.129
2098.0 3.481 0.007 347.592 0.131
2099.0 3.481 0.007 347.567 0.132
2100.0 3.480 0.007 347.542 0.134
WDS ID Discovr Comp # Sep PA Epoch Obs Telescope Camera Note
-------------------------------------------------------------------------------------------------
08056+2732 STF 1177 1 3.51" 347.6° B2023.305 HWI 120/900 APO ASI120MC
-- Image of STF-1177-taken with Equinox 120/900 APO --
wds_id : 08056+2732
discoverer_code : STF
discoverer_number : 1177
discoverer_components :
date_first : 1827
date_last : 2019
num_of_obs : 176
pa_first : 355
pa_last : 350
sep_first : 3.0
sep_last : 3.5
mag_primary : 6.69
mag_secondary : 7.41
spectral_type : B9V
primary_proper_motion_RA : 5
primary_proper_motion_DEC : -11
secondary_proper_motion_RA : 5
secondary_proper_motion_DEC : -11
dm_number : +27 1536
notes : N
precise_coordinate : 080537.06+273146.9
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 683827272481778304
source_id = 683827272481778304
random_index = 603245082.0
ref_epoch = 2016.0
ra = 121.40442777821663
ra_error = 0.08010616
dec = 27.52968636191904
dec_error = 0.05882967
parallax = 3.920864223977723
parallax_error = 0.09576043
parallax_over_error = 40.944515
pm = 11.982535
pmra = 4.672540785303032
pmra_error = 0.09748235
pmdec = -11.033970786605554
pmdec_error = 0.07266616
ra_dec_corr = -0.11513022
ra_parallax_corr = -0.22182174
ra_pmra_corr = -0.17548475
ra_pmdec_corr = 0.2797945
dec_parallax_corr = -0.26253885
dec_pmra_corr = 0.09851515
dec_pmdec_corr = 0.16447249
parallax_pmra_corr = 0.32528034
parallax_pmdec_corr = -0.26497364
pmra_pmdec_corr = -0.3564024
astrometric_n_obs_al = 236
astrometric_n_obs_ac = 236
astrometric_n_good_obs_al = 235
astrometric_n_bad_obs_al = 1
astrometric_gof_al = 18.836962
astrometric_chi2_al = 9269.668
astrometric_excess_noise = 0.6557107
astrometric_excess_noise_sig = 420.07498
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.7646526
astrometric_matched_transits = 27
visibility_periods_used = 18
astrometric_sigma5d_max = 0.14719181
matched_transits = 27
new_matched_transits = 7
matched_transits_removed = 10
ipd_gof_harmonic_amplitude = 0.083734564
ipd_gof_harmonic_phase = 129.00146
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.9946188
duplicated_source = false
phot_g_n_obs = 231
phot_g_mean_flux = 40512455.53578792
phot_g_mean_flux_error = 16387.57
phot_g_mean_flux_over_error = 2472.1453
phot_g_mean_mag = 6.6683955
phot_bp_n_obs = 25
phot_bp_mean_flux = 30177027.962978438
phot_bp_mean_flux_error = 24926.027
phot_bp_mean_flux_over_error = 1210.6633
phot_bp_mean_mag = 6.639351
phot_rp_n_obs = 23
phot_rp_mean_flux = 16885345.01406244
phot_rp_mean_flux_error = 16793.617
phot_rp_mean_flux_over_error = 1005.46204
phot_rp_mean_mag = 6.6791205
phot_bp_rp_excess_factor = 1.1616766
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 21
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 23
phot_proc_mode = 0
bp_rp = -0.03976965
bp_g = -0.029044628
g_rp = -0.010725021
radial_velocity = -13.557934
radial_velocity_error = 7.296356
rv_method_used = 1
rv_nb_transits = 17
rv_nb_deblended_transits = 0
rv_visibility_periods_used = 15
rv_expected_sig_to_noise = 400.8313
rv_renormalised_gof = 28.010405
rv_chisq_pvalue = 2.5598634e-11
rv_time_duration = 971.1423
rv_amplitude_robust = 21.923637
rv_template_teff = 10000.0
rv_template_logg = 4.5
rv_template_fe_h = 0.25
rv_atm_param_origin = 555
vbroad = 131.65025
vbroad_error = 93.02967
vbroad_nb_transits = 16
grvs_mag = 6.6457324
grvs_mag_error = 0.04106295
grvs_mag_nb_transits = 18
rvs_spec_sig_to_noise = 431.25934
phot_variable_flag = NOT_AVAILABLE
l = 194.3429158375943
b = 27.50127774444965
ecl_lon = 117.74976358711116
ecl_lat = 7.065432505316346
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 = 1.0256417e-13
classprob_dsc_combmod_galaxy = 5.123028e-13
classprob_dsc_combmod_star = 0.9999495
teff_gspphot = 10438.833
teff_gspphot_lower = 10388.229
teff_gspphot_upper = 10488.948
logg_gspphot = 3.7029
logg_gspphot_lower = 3.6885
logg_gspphot_upper = 3.7146
mh_gspphot = -0.5943
mh_gspphot_lower = -0.6436
mh_gspphot_upper = -0.422
distance_gspphot = 248.6186
distance_gspphot_lower = 242.4631
distance_gspphot_upper = 254.8157
azero_gspphot = 0.0517
azero_gspphot_lower = 0.0478
azero_gspphot_upper = 0.0556
ag_gspphot = 0.0502
ag_gspphot_lower = 0.0464
ag_gspphot_upper = 0.054
ebpminrp_gspphot = 0.0267
ebpminrp_gspphot_lower = 0.0247
ebpminrp_gspphot_upper = 0.0288
libname_gspphot = A
Star B
solution_id = 1636148068921376768
designation = Gaia DR3 683827276778595456
source_id = 683827276778595456
random_index = 725692277.0
ref_epoch = 2016.0
ra = 121.40422872353503
ra_error = 0.0424057
dec = 27.530649339887475
dec_error = 0.031354304
parallax = 4.035910133575838
parallax_error = 0.04754559
parallax_over_error = 84.885056
pm = 12.298694
pmra = 3.2992305191438818
pmra_error = 0.051401895
pmdec = -11.847909177504203
pmdec_error = 0.034929406
ra_dec_corr = 0.052359432
ra_parallax_corr = -0.051189832
ra_pmra_corr = 0.2134358
ra_pmdec_corr = 0.24310227
dec_parallax_corr = -0.27487108
dec_pmra_corr = 0.15314989
dec_pmdec_corr = 0.29591
parallax_pmra_corr = 0.26175407
parallax_pmdec_corr = -0.13829298
pmra_pmdec_corr = -0.018730741
astrometric_n_obs_al = 269
astrometric_n_obs_ac = 269
astrometric_n_good_obs_al = 268
astrometric_n_bad_obs_al = 1
astrometric_gof_al = 12.213681
astrometric_chi2_al = 3694.0884
astrometric_excess_noise = 0.34092632
astrometric_excess_noise_sig = 82.02358
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.743773
astrometric_matched_transits = 31
visibility_periods_used = 19
astrometric_sigma5d_max = 0.072647326
matched_transits = 32
new_matched_transits = 7
matched_transits_removed = 4
ipd_gof_harmonic_amplitude = 0.012329504
ipd_gof_harmonic_phase = 166.41173
ipd_frac_multi_peak = 1
ipd_frac_odd_win = 0
ruwe = 1.5758541
duplicated_source = false
phot_g_n_obs = 265
phot_g_mean_flux = 21145613.559232056
phot_g_mean_flux_error = 8817.724
phot_g_mean_flux_over_error = 2398.0808
phot_g_mean_mag = 7.374316
phot_bp_n_obs = 22
phot_bp_mean_flux = 15509993.93463566
phot_bp_mean_flux_error = 21130.21
phot_bp_mean_flux_over_error = 734.01984
phot_bp_mean_mag = 7.3620133
phot_rp_n_obs = 22
phot_rp_mean_flux = 9345822.729661353
phot_rp_mean_flux_error = 16479.89
phot_rp_mean_flux_over_error = 567.1047
phot_rp_mean_mag = 7.3213515
phot_bp_rp_excess_factor = 1.1754597
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 22
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 22
phot_proc_mode = 0
bp_rp = 0.04066181
bp_g = -0.0123028755
g_rp = 0.052964687
phot_variable_flag = NOT_AVAILABLE
l = 194.34182172075847
b = 27.50140677763775
ecl_lon = 117.74938697927504
ecl_lat = 7.06633737928746
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 = 1.2546702e-13
classprob_dsc_combmod_galaxy = 6.2670144e-13
classprob_dsc_combmod_star = 0.997679
teff_gspphot = 10265.817
teff_gspphot_lower = 9828.764
teff_gspphot_upper = 10378.686
logg_gspphot = 3.81
logg_gspphot_lower = 3.7231
logg_gspphot_upper = 3.8314
mh_gspphot = -1.0428
mh_gspphot_lower = -1.0647
mh_gspphot_upper = -1.0191
distance_gspphot = 251.3991
distance_gspphot_lower = 245.5797
distance_gspphot_upper = 269.3536
azero_gspphot = 0.1841
azero_gspphot_lower = 0.1419
azero_gspphot_upper = 0.1935
ag_gspphot = 0.1774
ag_gspphot_lower = 0.1365
ag_gspphot_upper = 0.1866
ebpminrp_gspphot = 0.0946
ebpminrp_gspphot_lower = 0.0727
ebpminrp_gspphot_upper = 0.0996
libname_gspphot = A
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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 22:27:41 +0100
www.stella-vega.de
