Double Star Calculator - Results


Discoverer & Number:   STF 2896   -> DSCALC Archive 
Gaia Source ID - Star A          : 2205071673322137088    Simbad
Gaia Source ID - Star B          : 2205071673322136960    Simbad

Observation Epoch                : J 2025.715  /  2025-09-19
Angular Separation               :     21.302" ±   0.3420 mas
Position Angle                   :     241.09  ±  0.00070 degrees

Star A/B Epoch                   : J 2016.000  /   J 2016.000
Angular Separation               :     21.300" ±   0.0268 mas
Position Angle                   :     241.09  ±  0.00005 degrees
  LB of Projected Separation (AU):   19627.23             AU
Spatial Separation     (pc)      :     115.18  ±    49.31 pc
  Spatial Separation   (ly)      :     375.67  ±   160.82 ly
Proper Motion Angular Difference :       4.80  ±     4.43 degrees
Total Proper Motion Difference   :       0.12  ±     0.06 mas/yr
Tangential Velocity Difference   :       2.39  ±     0.84 km/s

Aladin Lite Sky Atlas



Star A
 
Gaia Source ID                   : 2205071673322137088  Simbad

Epoch                            : J 2016.000
Right Ascension (RA)             :     22h 18m 27.80s
Declination (Dec)                :     63° 13' 22.41"
Distance (pc)                    :     921.45  ±  16.00 pc
Distance (ly)                    :    3005.38  ±  52.19 ly
Magnitude (Gaia G-band)          :       7.66           mag
Absolute Magnitude               :      -2.16  ±   0.09 mag
Spectral Type (color index)      :          A
Luminosity (solar luminosities)  :     539.42  +44.91/−41.46  L☉
Mass estimation (solar masses)   :       8.14                 M☉
RUWE                             :       1.01
Position Angle of Proper Motion  :     224.75  ±   1.90 degrees
Total Proper Motion              :       3.29  ±   0.02 mas/yr
  Total Proper Motion (Gaia)     :       3.29           mas/yr
Tangential Velocity              :      14.35  ±   0.27 km/s
Star A - Double Star Quality Metrics
Parallax over error :     57.589 : very good
RUWE                :      1.010 : good astrometric fit (single star)
Duplicated source   :      false : single source
G magnitude         :      7.663 : G > 3 mag, photometry reliable
Excess noise        :      0.162 : poor fit, model deviation significant
  Significance      :     18.450 :   possible double star, motion, mismatch
BP-RP excess factor :      1.191 : photometry consistent
Visibility periods  :         26 : 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)

Star B
 
Gaia Source ID                   : 2205071673322136960  Simbad

Epoch                            : J 2016.000
Right Ascension (RA)             :     22h 18m 25.04s
Declination (Dec)                :     63° 13' 12.11"
Distance (parsecs)               :    1036.63  ±  46.64 pc
Distance (lightyears)            :    3381.05  ± 152.11 ly
Magnitude (Gaia G-band)          :       8.51           mag
Absolute Magnitude               :      -1.57  ±   0.22 mag
Spectral Type (color index)      :          A
Luminosity (solar luminosities)  :     313.33  +72.13/−58.63  L☉
Mass estimation (solar masses)   :       6.79                 M☉
RUWE                             :       3.12
Position Angle of Proper Motion  :     229.55  ±   4.00 degrees
Total Proper Motion              :       3.41  ±   0.05 mas/yr
  Total Proper Motion (Gaia)     :       3.41           mas/yr
Tangential Velocity              :      16.74  ±   0.79 km/s

Star B - Double Star Quality Metrics
Parallax over error :     22.227 : very good
RUWE                :      3.120 : poor astrometric fit, (possible double)
Duplicated source   :      false : single source
G magnitude         :      8.508 : G > 3 mag, photometry reliable
Excess noise        :      0.472 : poor fit, model deviation significant
  Significance      :    247.258 :   possible double star, motion, mismatch
BP-RP excess factor :      1.189 : photometry consistent
Visibility periods  :         27 : high, indicates well observed star
IPD multi-peak frac :         0% : single peak detected
IDP GoF harmonic amp:      0.013 : unobtrusive (single star source)

Double Star plausibility checks

Check separation:
Spatial separation :   115.18 pc, with an uncertainty range of [ 65.87, 164.49] 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

Check proper motion:

Relative Proper Motion Angular difference:   2.67 %
Relative Total Proper Motion difference:   3.67 %
Relative Tangential Velocity difference:   16.63 %
Estimated CPM Probability:   91.10 %
CPM-Based Evidence factor:   0.830

Physical Binding Evidence:
Combined Physical Binding Evidence factor:   0.026

Check RUWE parameters:
RUWE probability for a binary system (Star A):   Zero
RUWE probability for a binary system (Star B):   High

Separation and position angle as a function of Julian Epoch

-- 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     21.279    0.004     241.012    0.008
1901.0     21.279    0.004     241.012    0.008
1902.0     21.279    0.004     241.013    0.008
1903.0     21.279    0.004     241.014    0.008
1904.0     21.280    0.004     241.014    0.008
1905.0     21.280    0.004     241.015    0.007
1906.0     21.280    0.004     241.016    0.007
1907.0     21.280    0.004     241.016    0.007
1908.0     21.280    0.004     241.017    0.007
1909.0     21.281    0.004     241.018    0.007
1910.0     21.281    0.004     241.018    0.007
1911.0     21.281    0.004     241.019    0.007
1912.0     21.281    0.004     241.020    0.007
1913.0     21.281    0.004     241.020    0.007
1914.0     21.281    0.004     241.021    0.007
1915.0     21.282    0.004     241.021    0.007
1916.0     21.282    0.004     241.022    0.007
1917.0     21.282    0.003     241.023    0.007
1918.0     21.282    0.003     241.023    0.007
1919.0     21.282    0.003     241.024    0.007
1920.0     21.283    0.003     241.025    0.006
1921.0     21.283    0.003     241.025    0.006
1922.0     21.283    0.003     241.026    0.006
1923.0     21.283    0.003     241.027    0.006
1924.0     21.283    0.003     241.027    0.006
1925.0     21.284    0.003     241.028    0.006
1926.0     21.284    0.003     241.029    0.006
1927.0     21.284    0.003     241.029    0.006
1928.0     21.284    0.003     241.030    0.006
1929.0     21.284    0.003     241.031    0.006
1930.0     21.284    0.003     241.031    0.006
1931.0     21.285    0.003     241.032    0.006
1932.0     21.285    0.003     241.033    0.006
1933.0     21.285    0.003     241.033    0.006
1934.0     21.285    0.003     241.034    0.006
1935.0     21.285    0.003     241.035    0.005
1936.0     21.286    0.003     241.035    0.005
1937.0     21.286    0.003     241.036    0.005
1938.0     21.286    0.003     241.037    0.005
1939.0     21.286    0.003     241.037    0.005
1940.0     21.286    0.003     241.038    0.005
1941.0     21.286    0.003     241.039    0.005
1942.0     21.287    0.003     241.039    0.005
1943.0     21.287    0.003     241.040    0.005
1944.0     21.287    0.003     241.040    0.005
1945.0     21.287    0.002     241.041    0.005
1946.0     21.287    0.002     241.042    0.005
1947.0     21.288    0.002     241.042    0.005
1948.0     21.288    0.002     241.043    0.005
1949.0     21.288    0.002     241.044    0.004
1950.0     21.288    0.002     241.044    0.004
1951.0     21.288    0.002     241.045    0.004
1952.0     21.288    0.002     241.046    0.004
1953.0     21.289    0.002     241.046    0.004
1954.0     21.289    0.002     241.047    0.004
1955.0     21.289    0.002     241.048    0.004
1956.0     21.289    0.002     241.048    0.004
1957.0     21.289    0.002     241.049    0.004
1958.0     21.290    0.002     241.050    0.004
1959.0     21.290    0.002     241.050    0.004
1960.0     21.290    0.002     241.051    0.004
1961.0     21.290    0.002     241.052    0.004
1962.0     21.290    0.002     241.052    0.004
1963.0     21.291    0.002     241.053    0.004
1964.0     21.291    0.002     241.054    0.003
1965.0     21.291    0.002     241.054    0.003
1966.0     21.291    0.002     241.055    0.003
1967.0     21.291    0.002     241.056    0.003
1968.0     21.291    0.002     241.056    0.003
1969.0     21.292    0.002     241.057    0.003
1970.0     21.292    0.002     241.058    0.003
1971.0     21.292    0.002     241.058    0.003
1972.0     21.292    0.002     241.059    0.003
1973.0     21.292    0.002     241.059    0.003
1974.0     21.293    0.001     241.060    0.003
1975.0     21.293    0.001     241.061    0.003
1976.0     21.293    0.001     241.061    0.003
1977.0     21.293    0.001     241.062    0.003
1978.0     21.293    0.001     241.063    0.003
1979.0     21.293    0.001     241.063    0.002
1980.0     21.294    0.001     241.064    0.002
1981.0     21.294    0.001     241.065    0.002
1982.0     21.294    0.001     241.065    0.002
1983.0     21.294    0.001     241.066    0.002
1984.0     21.294    0.001     241.067    0.002
1985.0     21.295    0.001     241.067    0.002
1986.0     21.295    0.001     241.068    0.002
1987.0     21.295    0.001     241.069    0.002
1988.0     21.295    0.001     241.069    0.002
1989.0     21.295    0.001     241.070    0.002
1990.0     21.295    0.001     241.071    0.002
1991.0     21.296    0.001     241.071    0.002
1992.0     21.296    0.001     241.072    0.002
1993.0     21.296    0.001     241.073    0.002
1994.0     21.296    0.001     241.073    0.001
1995.0     21.296    0.001     241.074    0.001
1996.0     21.297    0.001     241.075    0.001
1997.0     21.297    0.001     241.075    0.001
1998.0     21.297    0.001     241.076    0.001
1999.0     21.297    0.001     241.076    0.001
2000.0     21.297    0.001     241.077    0.001
2001.0     21.298    0.001     241.078    0.001
2002.0     21.298    0.000     241.078    0.001
2003.0     21.298    0.000     241.079    0.001
2004.0     21.298    0.000     241.080    0.001
2005.0     21.298    0.000     241.080    0.001
2006.0     21.298    0.000     241.081    0.001
2007.0     21.299    0.000     241.082    0.001
2008.0     21.299    0.000     241.082    0.001
2009.0     21.299    0.000     241.083    0.000
2010.0     21.299    0.000     241.084    0.000
2011.0     21.299    0.000     241.084    0.000
2012.0     21.300    0.000     241.085    0.000
2013.0     21.300    0.000     241.086    0.000
2014.0     21.300    0.000     241.086    0.000
2015.0     21.300    0.000     241.087    0.000
2016.0     21.300    0.000     241.088    0.000
2017.0     21.300    0.000     241.088    0.000
2018.0     21.301    0.000     241.089    0.000
2019.0     21.301    0.000     241.090    0.000
2020.0     21.301    0.000     241.090    0.000
2021.0     21.301    0.000     241.091    0.000
2022.0     21.301    0.000     241.092    0.000
2023.0     21.302    0.000     241.092    0.000
2024.0     21.302    0.000     241.093    0.001
2025.0     21.302    0.000     241.094    0.001
2026.0     21.302    0.000     241.094    0.001
2027.0     21.302    0.000     241.095    0.001
2028.0     21.303    0.000     241.095    0.001
2029.0     21.303    0.000     241.096    0.001
2030.0     21.303    0.000     241.097    0.001
2031.0     21.303    0.001     241.097    0.001
2032.0     21.303    0.001     241.098    0.001
2033.0     21.303    0.001     241.099    0.001
2034.0     21.304    0.001     241.099    0.001
2035.0     21.304    0.001     241.100    0.001
2036.0     21.304    0.001     241.101    0.001
2037.0     21.304    0.001     241.101    0.001
2038.0     21.304    0.001     241.102    0.001
2039.0     21.305    0.001     241.103    0.002
2040.0     21.305    0.001     241.103    0.002
2041.0     21.305    0.001     241.104    0.002
2042.0     21.305    0.001     241.105    0.002
2043.0     21.305    0.001     241.105    0.002
2044.0     21.305    0.001     241.106    0.002
2045.0     21.306    0.001     241.107    0.002
2046.0     21.306    0.001     241.107    0.002
2047.0     21.306    0.001     241.108    0.002
2048.0     21.306    0.001     241.109    0.002
2049.0     21.306    0.001     241.109    0.002
2050.0     21.307    0.001     241.110    0.002
2051.0     21.307    0.001     241.111    0.002
2052.0     21.307    0.001     241.111    0.002
2053.0     21.307    0.001     241.112    0.002
2054.0     21.307    0.001     241.112    0.003
2055.0     21.307    0.001     241.113    0.003
2056.0     21.308    0.001     241.114    0.003
2057.0     21.308    0.001     241.114    0.003
2058.0     21.308    0.001     241.115    0.003
2059.0     21.308    0.002     241.116    0.003
2060.0     21.308    0.002     241.116    0.003
2061.0     21.309    0.002     241.117    0.003
2062.0     21.309    0.002     241.118    0.003
2063.0     21.309    0.002     241.118    0.003
2064.0     21.309    0.002     241.119    0.003
2065.0     21.309    0.002     241.120    0.003
2066.0     21.310    0.002     241.120    0.003
2067.0     21.310    0.002     241.121    0.003
2068.0     21.310    0.002     241.122    0.003
2069.0     21.310    0.002     241.122    0.004
2070.0     21.310    0.002     241.123    0.004
2071.0     21.310    0.002     241.124    0.004
2072.0     21.311    0.002     241.124    0.004
2073.0     21.311    0.002     241.125    0.004
2074.0     21.311    0.002     241.126    0.004
2075.0     21.311    0.002     241.126    0.004
2076.0     21.311    0.002     241.127    0.004
2077.0     21.312    0.002     241.128    0.004
2078.0     21.312    0.002     241.128    0.004
2079.0     21.312    0.002     241.129    0.004
2080.0     21.312    0.002     241.129    0.004
2081.0     21.312    0.002     241.130    0.004
2082.0     21.312    0.002     241.131    0.004
2083.0     21.313    0.002     241.131    0.004
2084.0     21.313    0.002     241.132    0.005
2085.0     21.313    0.002     241.133    0.005
2086.0     21.313    0.002     241.133    0.005
2087.0     21.313    0.002     241.134    0.005
2088.0     21.314    0.003     241.135    0.005
2089.0     21.314    0.003     241.135    0.005
2090.0     21.314    0.003     241.136    0.005
2091.0     21.314    0.003     241.137    0.005
2092.0     21.314    0.003     241.137    0.005
2093.0     21.315    0.003     241.138    0.005
2094.0     21.315    0.003     241.139    0.005
2095.0     21.315    0.003     241.139    0.005
2096.0     21.315    0.003     241.140    0.005
2097.0     21.315    0.003     241.141    0.005
2098.0     21.315    0.003     241.141    0.005
2099.0     21.316    0.003     241.142    0.006
2100.0     21.316    0.003     241.143    0.006


Measurements for STF 2896
 
WDS ID      Discovr     Comp  #    Sep      PA       Epoch      Obs  Telescope     Camera    Note
--------------------------------------------------------------------------------------------------
22185+6313 STF 2896           1    21.34"   241.3°   B2025.720  HWI  120/900 APO   ASI678MM

-- Image of STF-2896-taken with Equinox 120/900 APO --


WDS record for STF 2896
wds_id                       : 22185+6313
discoverer_code              : STF
discoverer_number            : 2896
discoverer_components        : 
date_first                   : 1828
date_last                    : 2015
num_of_obs                   : 30
pa_first                     : 243
pa_last                      : 241
sep_first                    : 20.0
sep_last                     : 21.3
mag_primary                  : 7.8
mag_secondary                : 8.57
spectral_type                : B0.5V
primary_proper_motion_RA     : -4
primary_proper_motion_DEC    : -4
secondary_proper_motion_RA   : -3
secondary_proper_motion_DEC  : -3
dm_number                    : +62 2061
notes                        : N
precise_coordinate           : 221827.80+631322.4

WDS Notes:
----------
N: Notes found in WDSNOT MEMO of WDS



Parsed GAIA Input Data
Click to expand/collapse the Gaia Input Data:
Star A 
solution_id = 1636148068921376768
designation = Gaia DR3 2205071673322137088
source_id = 2205071673322137088
random_index = 938037440.0
ref_epoch = 2016.0
ra = 334.6158241747513
ra_error = 0.016780699
dec = 63.22289204198827
dec_error = 0.017215
parallax = 1.0852418767416008
parallax_error = 0.018844467
parallax_over_error = 57.589417
pm = 3.2860603
pmra = -2.313528856177467
pmra_error = 0.02379562
pmdec = -2.3336189145197026
pmdec_error = 0.02241149
ra_dec_corr = -0.096584804
ra_parallax_corr = -0.043192245
ra_pmra_corr = 0.10109378
ra_pmdec_corr = -0.17739986
dec_parallax_corr = 0.16980323
dec_pmra_corr = -0.2081555
dec_pmdec_corr = 0.008571678
parallax_pmra_corr = -0.1260304
parallax_pmdec_corr = 0.029246837
pmra_pmdec_corr = -0.05006538
astrometric_n_obs_al = 345
astrometric_n_obs_ac = 345
astrometric_n_good_obs_al = 343
astrometric_n_bad_obs_al = 2
astrometric_gof_al = 0.3125253
astrometric_chi2_al = 998.9462
astrometric_excess_noise = 0.16208136
astrometric_excess_noise_sig = 18.44982
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.6534883
astrometric_matched_transits = 39
visibility_periods_used = 26
astrometric_sigma5d_max = 0.033588514
matched_transits = 44
new_matched_transits = 12
matched_transits_removed = 4
ipd_gof_harmonic_amplitude = 0.0123982895
ipd_gof_harmonic_phase = 60.135147
ipd_frac_multi_peak = 1
ipd_frac_odd_win = 0
ruwe = 1.0110543
duplicated_source = false
phot_g_n_obs = 367
phot_g_mean_flux = 16215247.264274072
phot_g_mean_flux_error = 4325.4688
phot_g_mean_flux_over_error = 3748.784
phot_g_mean_mag = 7.662558
phot_bp_n_obs = 41
phot_bp_mean_flux = 10247673.228193803
phot_bp_mean_flux_error = 7138.0146
phot_bp_mean_flux_over_error = 1435.6476
phot_bp_mean_mag = 7.811979
phot_rp_n_obs = 41
phot_rp_mean_flux = 9062993.11236087
phot_rp_mean_flux_error = 3610.1594
phot_rp_mean_flux_over_error = 2510.4136
phot_rp_mean_mag = 7.3547163
phot_bp_rp_excess_factor = 1.1908956
phot_bp_n_contaminated_transits = 0
phot_bp_n_blended_transits = 1
phot_rp_n_contaminated_transits = 0
phot_rp_n_blended_transits = 3
phot_proc_mode = 0
bp_rp = 0.45726252
bp_g = 0.14942074
g_rp = 0.30784178
phot_variable_flag = NOT_AVAILABLE
l = 106.66765665583569
b = 5.28903352517902
ecl_lon = 23.61206281366266
ecl_lat = 63.626860478350615
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 = 6.955319e-09
classprob_dsc_combmod_galaxy = 5.1532335e-13
classprob_dsc_combmod_star = 0.99999785
    Star B 
solution_id = 1636148068921376768
designation = Gaia DR3 2205071673322136960
source_id = 2205071673322136960
random_index = 1631751919.0
ref_epoch = 2016.0
ra = 334.6043290950339
ra_error = 0.038489576
dec = 63.220030998361906
dec_error = 0.04010196
parallax = 0.9646606625526113
parallax_error = 0.04340039
parallax_over_error = 22.227005
pm = 3.4066148
pmra = -2.5924857284497307
pmra_error = 0.052253842
pmdec = -2.209987000809818
pmdec_error = 0.05070646
ra_dec_corr = -0.11398023
ra_parallax_corr = 0.014462987
ra_pmra_corr = 0.12089365
ra_pmdec_corr = -0.20180885
dec_parallax_corr = 0.11658672
dec_pmra_corr = -0.2315647
dec_pmdec_corr = 0.082324736
parallax_pmra_corr = -0.19571285
parallax_pmdec_corr = 0.1038208
pmra_pmdec_corr = -0.11771522
astrometric_n_obs_al = 348
astrometric_n_obs_ac = 348
astrometric_n_good_obs_al = 346
astrometric_n_bad_obs_al = 2
astrometric_gof_al = 44.54834
astrometric_chi2_al = 9088.7
astrometric_excess_noise = 0.47204062
astrometric_excess_noise_sig = 247.2576
astrometric_params_solved = 31
astrometric_primary_flag = false
nu_eff_used_in_astrometry = 1.6481512
astrometric_matched_transits = 40
visibility_periods_used = 27
astrometric_sigma5d_max = 0.07694538
matched_transits = 47
new_matched_transits = 13
matched_transits_removed = 1
ipd_gof_harmonic_amplitude = 0.012921656
ipd_gof_harmonic_phase = 93.66015
ipd_frac_multi_peak = 0
ipd_frac_odd_win = 0
ruwe = 3.1230435
duplicated_source = false
phot_g_n_obs = 356
phot_g_mean_flux = 7442148.023744796
phot_g_mean_flux_error = 2748.15
phot_g_mean_flux_over_error = 2708.0576
phot_g_mean_mag = 8.5081215
phot_bp_n_obs = 38
phot_bp_mean_flux = 4675407.855865591
phot_bp_mean_flux_error = 3180.929
phot_bp_mean_flux_over_error = 1469.8247
phot_bp_mean_mag = 8.663994
phot_rp_n_obs = 38
phot_rp_mean_flux = 4175988.0403374815
phot_rp_mean_flux_error = 2064.2979
phot_rp_mean_flux_over_error = 2022.9581
phot_rp_mean_mag = 8.195997
phot_bp_rp_excess_factor = 1.1893604
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 = 0.4679966
bp_g = 0.15587234
g_rp = 0.31212425
phot_variable_flag = VARIABLE
l = 106.661734404836
b = 5.28951613261522
ecl_lon = 23.599998656908685
ecl_lat = 63.629368604002124
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 = 1.0311025e-13
classprob_dsc_combmod_galaxy = 5.150305e-13
classprob_dsc_combmod_star = 0.99999785
teff_gspphot = 18699.176
teff_gspphot_lower = 18630.666
teff_gspphot_upper = 18761.756
logg_gspphot = 3.3883
logg_gspphot_lower = 3.3823
logg_gspphot_upper = 3.3948
mh_gspphot = 0.0474
mh_gspphot_lower = 0.0251
mh_gspphot_upper = 0.0762
distance_gspphot = 1379.2551
distance_gspphot_lower = 1370.3718
distance_gspphot_upper = 1387.0533
azero_gspphot = 1.4929
azero_gspphot_lower = 1.4909
azero_gspphot_upper = 1.4949
ag_gspphot = 1.4225
ag_gspphot_lower = 1.4204
ag_gspphot_upper = 1.4246
ebpminrp_gspphot = 0.7738
ebpminrp_gspphot_lower = 0.7726
ebpminrp_gspphot_upper = 0.775
libname_gspphot = OB



    Observation Date:  

Disclaimer
This result is provided without warranty. For all terms, see the 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.


Acknowledgements
The Double Star Calculator makes use of data from the 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.


Report Information
Double Star Calculator:   Version 1.0 ($Rev: 1734 $)
Report created:   2025-12-29 22:36:32 +0100


www.stella-vega.de