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18421+3445 - B2546Aa,Ab Constellation : Lyr AD 18h42min8.09sec / Dec +34°44min46.7sec
Composants Primary Secondary WDS data WDS Notes
Magnitudes 6.50 7.50 Negleted : non NNotes found in WDSNOT MEMO of WDS.,OOrbit, briefly described in WDSNOT MEMO and has entry in Orbit Catalog.
Proper Motion RA -003 - Precise coordinates : oui Ephemeris ORB6 2025
Mouvement propre Dec -001 - Spectre : B5V
Grade:4 Theta:65.7 Rho:0.086
Nb d'observation : 47 Angle Separation Cross references (wds id) *I* | *P*
First measure : 1958 254 0.200
Last measure : 2016 24.40 0.124
Ab:
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.)
2006 352.90 0.122 Plot, orbital elements and data

 





18421+3445 - STF2372AB Constellation : Lyr AD 18h42min8.09sec / Dec +34°44min46.7sec
Composants Primary Secondary WDS data WDS Notes
Magnitudes 6.45 7.73 Negleted : non NNotes found in WDSNOT MEMO of WDS.,YStatistically different parallax for the components indicates they are non-physical.
Proper Motion RA +000 +001 Precise coordinates : oui
Mouvement propre Dec -004 -003 Spectre : B5V
Nb d'observation : 79 Angle Separation Cross references (wds id) *I* | *P*
First measure : 1782 85 22.900
Last measure : 2019 82.30 25.009
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.)
2017 82.90 25.028
2016 82.40 25.161
2014 82.30 24.860
2013 81.00 25.000
2013 82.00 24.900
2012 82.00 24.900




18421+3445 - BLL34AC Constellation : Lyr AD 18h42min8.09sec / Dec +34°44min46.7sec
Composants Primary Secondary WDS data WDS Notes
Magnitudes 6.45 11.79 Negleted : non NNotes found in WDSNOT MEMO of WDS.
Proper Motion RA +000 +001 Precise coordinates : oui
Mouvement propre Dec -004 -002 Spectre : B5V
Nb d'observation : 9 Angle Separation Cross references (wds id) *I* | *P*
First measure : 1894 69 115.600
Last measure : 2013 68.50 114.000
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.)
2012 69.00 115.100
2002 69.00 115.100




18421+3445 - BLL34BC Constellation : Lyr AD 18h42min10.08sec / Dec +34°44min50sec
Composants Primary Secondary WDS data WDS Notes
Magnitudes 7.73 11.79 Negleted : non NNotes found in WDSNOT MEMO of WDS.
Proper Motion RA +001 +001 Precise coordinates : oui
Mouvement propre Dec -003 -002 Spectre : A0
Nb d'observation : 16 Angle Separation Cross references (wds id) *I* | *P*
First measure : 1879 65 90.900
Last measure : 2015 64.70 91.130
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.)
2013 64.70 90.050
2012 64.00 92.900
2002 65.00 91.000



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