Research and list editing of visual double stars
20396+3030 - STF2711 | Constellation : Cyg | AD 20h39min35.12sec / Dec +30°30min14.6sec | |||||
Components | Primary | Secondary | WDS data | WDS Notes | |||
Magnitudes | 8.17 | 9.24 | Negleted : non | ||||
Proper Motion RA | -005 | -005 | Precise coordinates : oui | ||||
Mouvement propre Dec | -015 | -015 | Spectre : A2.5V | ||||
Nb of observations : 38 | Angle | Separation | Cross references (wds id) *I* | *P* | ||||
First measure : 1831 | 223 | 2.500 | |||||
Last measure : 2021 | 223.30 | 2.341 | |||||
Sec: HIP 101951 / ADS 14124 / |
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Measurement history (InformationThis historical is indicative. It is incomplete and may contain errors. It is built as and when updates to WDSTOOL and does not take into account any subsequent modifications to WDS.) | |||||||
2016 | 223.00 | 2.408 | |||||
2011 | 222.70 | 2.403 | |||||