Gaia Source ID - Star A : 3940859135210470784 Simbad
Gaia Source ID - Star B : 3940859135210470656 Simbad
Observation Epoch : J 2016.001 / 2016-01-02
Angular Separation : 2.123" ± 0.0220 mas
Position Angle : 298.76 ± 0.00050 degreesStar A/B Epoch : J 2016.000 / J 2016.000
Angular Separation : 2.123" ± 0.0220 mas
Position Angle : 298.76 ± 0.00054 degrees
LB of Projected Separation (AU): 359.85 AU
Spatial Separation (pc) : 1.45 ± 0.99 pc
Spatial Separation (ly) : 4.73 ± 3.23 ly
Proper Motion Angular Difference : 2.65 ± 34.03 degrees
Total Proper Motion Difference : 1.49 ± 0.05 mas/yr
Tangential Velocity Difference : 1.32 ± 0.09 km/s
Radial Velocity Difference : 0.02 ± 0.35 km/s
Space Velocity Difference : 1.08 ± 0.21 km/s
Aladin Lite Sky Atlas
DSS color
DSS blue
2MASS
AllWISE
Gaia Source ID : 3940859135210470784 Simbad
Parallax over error : 273.883 : very good
RUWE : 1.100 : good astrometric fit (single star)
Duplicated source : false : single source
G magnitude : 9.939 : G > 3 mag, photometry reliable
Excess noise : 0.121 : poor fit, model deviation significant
Significance : 18.607 : possible double star, motion, mismatch
BP-RP excess factor : 1.213 : photometry consistent
Visibility periods : 17 : high, indicates well observed star
IPD multi-peak frac : 0% : single peak detected
IDP GoF harmonic amp: 0.045 : unobtrusive (single star source)
Gaia Source ID : 3940859135210470656 Simbad
Parallax over error : 220.709 : very good
RUWE : 1.300 : good astrometric fit (single star)
Duplicated source : false : single source
G magnitude : 10.330 : G > 3 mag, photometry reliable
Excess noise : 0.163 : poor fit, model deviation significant
Significance : 32.944 : possible double star, motion, mismatch
BP-RP excess factor : 1.240 : photometry consistent
Visibility periods : 17 : high, indicates well observed star
IPD multi-peak frac : 10% : mulitple peaks detected (possible double)
IDP GoF harmonic amp: 0.060 : slight indication of structure
Spatial separation :
299035.7 AU, with an uncertainty range of [ 94872.0, 503199.5] 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:
1.47 %
Relative Total Proper Motion difference:
9.53 %
Relative Tangential Velocity difference:
10.47 %
Relative Radial Velocity difference:
-0.16 %
Relative Space Velocity difference:
6.85 %
Estimated CPM Probability:
82.67 %
CPM-Based Evidence factor:
0.683
Combined Physical Binding Evidence factor:
0.026
RUWE probability for a binary system (Star A):
Zero
RUWE probability for a binary system (Star B):
Low
-- 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 2.127 0.004 293.528 0.134
1901.0 2.127 0.004 293.573 0.133
1902.0 2.127 0.004 293.618 0.132
1903.0 2.127 0.004 293.663 0.131
1904.0 2.127 0.004 293.708 0.130
1905.0 2.127 0.004 293.753 0.129
1906.0 2.127 0.004 293.798 0.127
1907.0 2.126 0.004 293.843 0.126
1908.0 2.126 0.004 293.888 0.125
1909.0 2.126 0.004 293.933 0.124
1910.0 2.126 0.004 293.977 0.123
1911.0 2.126 0.004 294.022 0.122
1912.0 2.126 0.004 294.067 0.120
1913.0 2.126 0.004 294.112 0.119
1914.0 2.126 0.004 294.157 0.118
1915.0 2.126 0.004 294.202 0.117
1916.0 2.126 0.004 294.247 0.116
1917.0 2.125 0.004 294.292 0.115
1918.0 2.125 0.004 294.337 0.113
1919.0 2.125 0.004 294.382 0.112
1920.0 2.125 0.004 294.427 0.111
1921.0 2.125 0.004 294.472 0.110
1922.0 2.125 0.004 294.517 0.109
1923.0 2.125 0.003 294.562 0.108
1924.0 2.125 0.003 294.607 0.106
1925.0 2.125 0.003 294.652 0.105
1926.0 2.125 0.003 294.697 0.104
1927.0 2.125 0.003 294.742 0.103
1928.0 2.124 0.003 294.787 0.102
1929.0 2.124 0.003 294.832 0.101
1930.0 2.124 0.003 294.877 0.099
1931.0 2.124 0.003 294.922 0.098
1932.0 2.124 0.003 294.967 0.097
1933.0 2.124 0.003 295.012 0.096
1934.0 2.124 0.003 295.057 0.095
1935.0 2.124 0.003 295.103 0.094
1936.0 2.124 0.003 295.148 0.092
1937.0 2.124 0.003 295.193 0.091
1938.0 2.124 0.003 295.238 0.090
1939.0 2.124 0.003 295.283 0.089
1940.0 2.124 0.003 295.328 0.088
1941.0 2.124 0.003 295.373 0.087
1942.0 2.124 0.003 295.418 0.085
1943.0 2.123 0.003 295.463 0.084
1944.0 2.123 0.003 295.508 0.083
1945.0 2.123 0.003 295.553 0.082
1946.0 2.123 0.003 295.598 0.081
1947.0 2.123 0.003 295.643 0.080
1948.0 2.123 0.003 295.688 0.079
1949.0 2.123 0.003 295.733 0.077
1950.0 2.123 0.002 295.778 0.076
1951.0 2.123 0.002 295.824 0.075
1952.0 2.123 0.002 295.869 0.074
1953.0 2.123 0.002 295.914 0.073
1954.0 2.123 0.002 295.959 0.072
1955.0 2.123 0.002 296.004 0.070
1956.0 2.123 0.002 296.049 0.069
1957.0 2.123 0.002 296.094 0.068
1958.0 2.123 0.002 296.139 0.067
1959.0 2.123 0.002 296.184 0.066
1960.0 2.123 0.002 296.229 0.065
1961.0 2.123 0.002 296.275 0.063
1962.0 2.123 0.002 296.320 0.062
1963.0 2.123 0.002 296.365 0.061
1964.0 2.122 0.002 296.410 0.060
1965.0 2.122 0.002 296.455 0.059
1966.0 2.122 0.002 296.500 0.058
1967.0 2.122 0.002 296.545 0.056
1968.0 2.122 0.002 296.590 0.055
1969.0 2.122 0.002 296.635 0.054
1970.0 2.122 0.002 296.681 0.053
1971.0 2.122 0.002 296.726 0.052
1972.0 2.122 0.002 296.771 0.051
1973.0 2.122 0.002 296.816 0.050
1974.0 2.122 0.002 296.861 0.048
1975.0 2.122 0.002 296.906 0.047
1976.0 2.122 0.002 296.951 0.046
1977.0 2.122 0.001 296.996 0.045
1978.0 2.122 0.001 297.041 0.044
1979.0 2.122 0.001 297.087 0.043
1980.0 2.122 0.001 297.132 0.041
1981.0 2.122 0.001 297.177 0.040
1982.0 2.122 0.001 297.222 0.039
1983.0 2.122 0.001 297.267 0.038
1984.0 2.122 0.001 297.312 0.037
1985.0 2.122 0.001 297.357 0.036
1986.0 2.122 0.001 297.402 0.034
1987.0 2.122 0.001 297.448 0.033
1988.0 2.122 0.001 297.493 0.032
1989.0 2.122 0.001 297.538 0.031
1990.0 2.122 0.001 297.583 0.030
1991.0 2.122 0.001 297.628 0.029
1992.0 2.122 0.001 297.673 0.028
1993.0 2.122 0.001 297.718 0.026
1994.0 2.122 0.001 297.763 0.025
1995.0 2.122 0.001 297.809 0.024
1996.0 2.122 0.001 297.854 0.023
1997.0 2.122 0.001 297.899 0.022
1998.0 2.122 0.001 297.944 0.021
1999.0 2.122 0.001 297.989 0.020
2000.0 2.122 0.001 298.034 0.018
2001.0 2.122 0.001 298.079 0.017
2002.0 2.122 0.001 298.124 0.016
2003.0 2.122 0.000 298.170 0.015
2004.0 2.122 0.000 298.215 0.014
2005.0 2.122 0.000 298.260 0.013
2006.0 2.122 0.000 298.305 0.011
2007.0 2.122 0.000 298.350 0.010
2008.0 2.122 0.000 298.395 0.009
2009.0 2.122 0.000 298.440 0.008
2010.0 2.122 0.000 298.485 0.007
2011.0 2.122 0.000 298.530 0.006
2012.0 2.122 0.000 298.576 0.005
2013.0 2.123 0.000 298.621 0.003
2014.0 2.123 0.000 298.666 0.002
2015.0 2.123 0.000 298.711 0.001
2016.0 2.123 0.000 298.756 0.001
2017.0 2.123 0.000 298.801 0.001
2018.0 2.123 0.000 298.846 0.002
2019.0 2.123 0.000 298.891 0.003
2020.0 2.123 0.000 298.936 0.005
2021.0 2.123 0.000 298.981 0.006
2022.0 2.123 0.000 299.027 0.007
2023.0 2.123 0.000 299.072 0.008
2024.0 2.123 0.000 299.117 0.009
2025.0 2.123 0.000 299.162 0.010
2026.0 2.123 0.000 299.207 0.011
2027.0 2.123 0.000 299.252 0.013
2028.0 2.123 0.000 299.297 0.014
2029.0 2.123 0.000 299.342 0.015
2030.0 2.123 0.001 299.387 0.016
2031.0 2.123 0.001 299.432 0.017
2032.0 2.123 0.001 299.477 0.018
2033.0 2.123 0.001 299.522 0.019
2034.0 2.123 0.001 299.567 0.021
2035.0 2.124 0.001 299.613 0.022
2036.0 2.124 0.001 299.658 0.023
2037.0 2.124 0.001 299.703 0.024
2038.0 2.124 0.001 299.748 0.025
2039.0 2.124 0.001 299.793 0.026
2040.0 2.124 0.001 299.838 0.027
2041.0 2.124 0.001 299.883 0.028
2042.0 2.124 0.001 299.928 0.030
2043.0 2.124 0.001 299.973 0.031
2044.0 2.124 0.001 300.018 0.032
2045.0 2.124 0.001 300.063 0.033
2046.0 2.124 0.001 300.108 0.034
2047.0 2.124 0.001 300.153 0.035
2048.0 2.124 0.001 300.198 0.036
2049.0 2.125 0.001 300.243 0.038
2050.0 2.125 0.001 300.288 0.039
2051.0 2.125 0.001 300.333 0.040
2052.0 2.125 0.001 300.378 0.041
2053.0 2.125 0.001 300.423 0.042
2054.0 2.125 0.001 300.468 0.043
2055.0 2.125 0.002 300.513 0.044
2056.0 2.125 0.002 300.558 0.045
2057.0 2.125 0.002 300.603 0.047
2058.0 2.125 0.002 300.648 0.048
2059.0 2.125 0.002 300.693 0.049
2060.0 2.125 0.002 300.738 0.050
2061.0 2.126 0.002 300.783 0.051
2062.0 2.126 0.002 300.828 0.052
2063.0 2.126 0.002 300.873 0.053
2064.0 2.126 0.002 300.918 0.054
2065.0 2.126 0.002 300.963 0.056
2066.0 2.126 0.002 301.008 0.057
2067.0 2.126 0.002 301.053 0.058
2068.0 2.126 0.002 301.098 0.059
2069.0 2.126 0.002 301.143 0.060
2070.0 2.127 0.002 301.188 0.061
2071.0 2.127 0.002 301.233 0.062
2072.0 2.127 0.002 301.278 0.063
2073.0 2.127 0.002 301.323 0.065
2074.0 2.127 0.002 301.367 0.066
2075.0 2.127 0.002 301.412 0.067
2076.0 2.127 0.002 301.457 0.068
2077.0 2.127 0.002 301.502 0.069
2078.0 2.127 0.002 301.547 0.070
2079.0 2.128 0.002 301.592 0.071
2080.0 2.128 0.002 301.637 0.072
2081.0 2.128 0.003 301.682 0.074
2082.0 2.128 0.003 301.727 0.075
2083.0 2.128 0.003 301.772 0.076
2084.0 2.128 0.003 301.816 0.077
2085.0 2.128 0.003 301.861 0.078
2086.0 2.128 0.003 301.906 0.079
2087.0 2.129 0.003 301.951 0.080
2088.0 2.129 0.003 301.996 0.081
2089.0 2.129 0.003 302.041 0.082
2090.0 2.129 0.003 302.086 0.084
2091.0 2.129 0.003 302.130 0.085
2092.0 2.129 0.003 302.175 0.086
2093.0 2.129 0.003 302.220 0.087
2094.0 2.129 0.003 302.265 0.088
2095.0 2.130 0.003 302.310 0.089
2096.0 2.130 0.003 302.354 0.090
2097.0 2.130 0.003 302.399 0.091
2098.0 2.130 0.003 302.444 0.092
2099.0 2.130 0.003 302.489 0.094
2100.0 2.130 0.003 302.534 0.095
wds_id : 13006+1822
discoverer_code : BU
discoverer_number : 112
discoverer_components : BC
date_first : 1873
date_last : 2022
num_of_obs : 49
pa_first : 290
pa_last : 300
sep_first : 2.0
sep_last : 2.1
mag_primary : 10.14
mag_secondary : 10.56
spectral_type : G0V
primary_proper_motion_RA : 0
primary_proper_motion_DEC : -17
secondary_proper_motion_RA : 2
secondary_proper_motion_DEC : -16
dm_number :
notes : T
precise_coordinate : 130038.42+182442.5
WDS Notes:
----------
T: Similar parallax/proper motion: physical
Click to expand/collapse the Gaia Input Data:
Star A
solution_id = 1636148068921376768
designation = Gaia DR3 3940859135210470784
source_id = 3940859135210470784
random_index = 932543925.0
ref_epoch = 2016.0
ra = 195.16007048961845
ra_error = 0.014796562
dec = 18.41174960295153
dec_error = 0.012672078
parallax = 5.848628923208845
parallax_error = 0.021354476
parallax_over_error = 273.88306
pm = 17.131233
pmra = -0.568079769661786
pmra_error = 0.022629937
pmdec = -17.121811584007634
pmdec_error = 0.02910747
ra_dec_corr = -0.34482932
ra_parallax_corr = -0.0418356
ra_pmra_corr = -0.04914637
ra_pmdec_corr = -0.09015415
dec_parallax_corr = -0.19835396
dec_pmra_corr = -0.1325507
dec_pmdec_corr = 0.479724
parallax_pmra_corr = 0.024161786
parallax_pmdec_corr = -0.41373873
pmra_pmdec_corr = -0.35251233
astrometric_n_obs_al = 380
astrometric_n_obs_ac = 380
astrometric_n_good_obs_al = 372
astrometric_n_bad_obs_al = 8
astrometric_gof_al = 2.7389843
astrometric_chi2_al = 1025.432
astrometric_excess_noise = 0.120596424
astrometric_excess_noise_sig = 18.606735
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.5940886
astrometric_matched_transits = 43
visibility_periods_used = 17
astrometric_sigma5d_max = 0.043731567
matched_transits = 51
new_matched_transits = 9
matched_transits_removed = 1
ipd_gof_harmonic_amplitude = 0.045030057
ipd_gof_harmonic_phase = 3.831702
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 1.1018443
duplicated_source = false
phot_g_n_obs = 398
phot_g_mean_flux = 1993113.0041962021
phot_g_mean_flux_error = 358.60532
phot_g_mean_flux_over_error = 5557.957
phot_g_mean_mag = 9.938537
phot_bp_n_obs = 42
phot_bp_mean_flux = 1168536.4661154456
phot_bp_mean_flux_error = 1678.4851
phot_bp_mean_flux_over_error = 696.1852
phot_bp_mean_mag = 10.169436
phot_rp_n_obs = 39
phot_rp_mean_flux = 1248162.2609000453
phot_rp_mean_flux_error = 1775.1481
phot_rp_mean_flux_over_error = 703.13135
phot_rp_mean_mag = 9.507217
phot_bp_rp_excess_factor = 1.2125247
phot_bp_n_contaminated_transits = 2
phot_bp_n_blended_transits = 30
phot_rp_n_contaminated_transits = 1
phot_rp_n_blended_transits = 31
phot_proc_mode = 0
bp_rp = 0.66221905
bp_g = 0.23089981
g_rp = 0.43131924
radial_velocity = -9.477604
radial_velocity_error = 0.24339782
rv_method_used = 1
rv_nb_transits = 20
rv_nb_deblended_transits = 14
rv_visibility_periods_used = 17
rv_expected_sig_to_noise = 111.91539
rv_renormalised_gof = 0.22083457
rv_chisq_pvalue = 0.29021215
rv_time_duration = 878.01733
rv_amplitude_robust = 2.7215047
rv_template_teff = 6250.0
rv_template_logg = 4.5
rv_template_fe_h = 0.0
rv_atm_param_origin = 222
grvs_mag = 9.342685
grvs_mag_error = 0.009823202
grvs_mag_nb_transits = 4
phot_variable_flag = NOT_AVAILABLE
l = 317.0708614170289
b = 81.02983238578528
ecl_lon = 186.35656984915343
ecl_lat = 22.860036456673946
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 = 1.7204228e-13
classprob_dsc_combmod_galaxy = 8.5934255e-13
classprob_dsc_combmod_star = 0.99306923
teff_gspphot = 6135.6943
teff_gspphot_lower = 6134.2227
teff_gspphot_upper = 6137.207
logg_gspphot = 4.1478
logg_gspphot_lower = 4.1443
logg_gspphot_upper = 4.1511
mh_gspphot = -0.4748
mh_gspphot_lower = -0.4842
mh_gspphot_upper = -0.4653
distance_gspphot = 169.5423
distance_gspphot_lower = 168.9445
distance_gspphot_upper = 170.1526
azero_gspphot = 0.0004
azero_gspphot_lower = 0.0
azero_gspphot_upper = 0.0011
ag_gspphot = 0.0003
ag_gspphot_lower = 0.0
ag_gspphot_upper = 0.0009
ebpminrp_gspphot = 0.0002
ebpminrp_gspphot_lower = 0.0
ebpminrp_gspphot_upper = 0.0005
libname_gspphot = MARCS
Star B
solution_id = 1636148068921376768
designation = Gaia DR3 3940859135210470656
source_id = 3940859135210470656
random_index = 617756871.0
ref_epoch = 2016.0
ra = 195.15952569841465
ra_error = 0.01837394
dec = 18.412033254859594
dec_error = 0.016087877
parallax = 5.898644340310939
parallax_error = 0.026725894
parallax_over_error = 220.70897
pm = 15.640716
pmra = 0.20375985399438235
pmra_error = 0.028973117
pmdec = -15.639388664751174
pmdec_error = 0.03726288
ra_dec_corr = -0.3106594
ra_parallax_corr = -0.009122997
ra_pmra_corr = 0.018956512
ra_pmdec_corr = -0.114983484
dec_parallax_corr = -0.19181526
dec_pmra_corr = -0.12960052
dec_pmdec_corr = 0.4798731
parallax_pmra_corr = 0.042264957
parallax_pmdec_corr = -0.44802293
pmra_pmdec_corr = -0.28312826
astrometric_n_obs_al = 343
astrometric_n_obs_ac = 343
astrometric_n_good_obs_al = 330
astrometric_n_bad_obs_al = 13
astrometric_gof_al = 7.4194717
astrometric_chi2_al = 1432.1975
astrometric_excess_noise = 0.16284767
astrometric_excess_noise_sig = 32.944233
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.5792339
astrometric_matched_transits = 39
visibility_periods_used = 17
astrometric_sigma5d_max = 0.055138655
matched_transits = 51
new_matched_transits = 7
matched_transits_removed = 2
ipd_gof_harmonic_amplitude = 0.060336314
ipd_gof_harmonic_phase = 9.298659
ipd_frac_multi_peak = 10
ipd_frac_odd_win = 0
ruwe = 1.303584
duplicated_source = false
phot_g_n_obs = 337
phot_g_mean_flux = 1389172.8659540587
phot_g_mean_flux_error = 538.0161
phot_g_mean_flux_over_error = 2582.0283
phot_g_mean_mag = 10.330476
phot_bp_n_obs = 23
phot_bp_mean_flux = 806340.8497863844
phot_bp_mean_flux_error = 2830.1038
phot_bp_mean_flux_over_error = 284.91565
phot_bp_mean_mag = 10.572246
phot_rp_n_obs = 23
phot_rp_mean_flux = 916411.2945197052
phot_rp_mean_flux_error = 3993.7742
phot_rp_mean_flux_over_error = 229.45996
phot_rp_mean_mag = 9.8426695
phot_bp_rp_excess_factor = 1.240128
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 22
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 18
phot_proc_mode = 0
bp_rp = 0.7295761
bp_g = 0.24176979
g_rp = 0.48780632
radial_velocity = -9.462464
radial_velocity_error = 0.2490353
rv_method_used = 1
rv_nb_transits = 27
rv_nb_deblended_transits = 18
rv_visibility_periods_used = 15
rv_expected_sig_to_noise = 101.77685
rv_renormalised_gof = 0.15822534
rv_chisq_pvalue = 0.5413075
rv_time_duration = 878.01733
rv_amplitude_robust = 3.8734598
rv_template_teff = 6000.0
rv_template_logg = 4.0
rv_template_fe_h = 0.0
rv_atm_param_origin = 444
grvs_mag = 9.675058
grvs_mag_error = 0.008248604
grvs_mag_nb_transits = 6
phot_variable_flag = NOT_AVAILABLE
l = 317.06805115094295
b = 81.0302269195107
ecl_lon = 186.3559316377083
ecl_lat = 22.86007894064355
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 = 1.0202512e-11
classprob_dsc_combmod_galaxy = 5.0961034e-11
classprob_dsc_combmod_star = 1.0000273e-06
teff_gspphot = 5910.044
teff_gspphot_lower = 5907.7925
teff_gspphot_upper = 5913.6855
logg_gspphot = 4.2274
logg_gspphot_lower = 4.2229
logg_gspphot_upper = 4.2317
mh_gspphot = -0.2992
mh_gspphot_lower = -0.3116
mh_gspphot_upper = -0.2866
distance_gspphot = 167.8853
distance_gspphot_lower = 167.1551
distance_gspphot_upper = 168.5948
azero_gspphot = 0.0013
azero_gspphot_lower = 0.0003
azero_gspphot_upper = 0.0036
ag_gspphot = 0.0011
ag_gspphot_lower = 0.0002
ag_gspphot_upper = 0.003
ebpminrp_gspphot = 0.0006
ebpminrp_gspphot_lower = 0.0001
ebpminrp_gspphot_upper = 0.0017
libname_gspphot = MARCS
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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 22:20:59 +0100
www.stella-vega.de
