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20312+1116 - STF2690A,BC Constellation : Del AD 20h31min11.94sec / Dec +11°15min33.7sec
Components Primary Secondary WDS data WDS Notes
Magnitudes 7.12 7.39 Negleted : non NNotes found in WDSNOT MEMO of WDS.
Proper Motion RA -004 -006 Precise coordinates : oui
Mouvement propre Dec -003 -010 Spectre : B8V
Nb of observations : 161 Angle Separation Cross references (wds id) *I* | *P*
First measure : 1777 281 15.000
A,:
Last measure  : 2020 254.80 17.775
C:
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.)
2019 255.00 17.766
2017 255.80 17.700
2013 255.20 17.600
2011 255.00 17.600



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